:root {
  color-scheme: light;

  --font: "SUIT", "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic",
    "Segoe UI", sans-serif;

  --bg: #eef3fb;
  --bg-white: #ffffff;
  --bg-offwhite: #f7f9fd;
  --bg-card-glow: #edf5ff;

  --panel: #ffffff;
  --line: #d4deef;
  --border: #cfd9ea;
  --radius: 14px;

  --text: #1c2742;
  --text-body: #223350;
  --text-heading: #101d38;
  --text-secondary: #516180;
  --text-muted: #6f7f9a;

  --brand: #185dcc;
  --brand-light: #e8f0ff;
  --brand-strong: #134ca9;
  --brand-sky: #64c1ff;

  --ok: #138246;
  --danger: #b42318;
  --warn: #bb7b00;

  --surface-shadow: 0 22px 45px rgba(13, 31, 68, 0.09);
  --card-shadow: 0 12px 28px rgba(17, 39, 82, 0.08);
  --card-shadow-hover: 0 18px 35px rgba(17, 44, 94, 0.16);

  --sidebar-bg: #2b2b36;
  --sidebar-panel: #363645;
  --sidebar-border: #4a4a5f;
  --sidebar-text: #f3f4ff;
  --sidebar-subtle: #b7b9d3;
  --sidebar-active: #55263f;
  --lg-red: #a50034;
  --lg-red-soft: #f8e9ef;
  --lg-red-line: #ecc7d5;
  --lg-charcoal: #2d3136;
  --lg-gray: #6d6e71;
  --lg-paper: #f6f7f8;
  --lg-line: #d8dde3;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: radial-gradient(
      circle at 12% 10%,
      rgba(24, 93, 204, 0.14),
      transparent 46%
    ),
    radial-gradient(circle at 88% 12%, rgba(100, 193, 255, 0.18), transparent 46%),
    linear-gradient(145deg, #eef3fb 0%, #f6f9ff 48%, #edf4ff 100%);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.55;
}

body.modal-open {
  overflow: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(
      rgba(255, 255, 255, 0.36) 1px,
      transparent 1px
    ),
    linear-gradient(90deg, rgba(255, 255, 255, 0.36) 1px, transparent 1px);
  background-size: 34px 34px;
  opacity: 0.4;
  z-index: -1;
}

a {
  color: var(--brand);
}

.hidden {
  display: none !important;
}

.eyebrow {
  margin: 0;
  color: var(--brand);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.muted {
  color: var(--text-muted);
  margin: 0;
}

.error {
  color: var(--danger);
  margin: 0;
  min-height: 1.2rem;
  font-size: 0.9rem;
}

input,
textarea,
button {
  font: inherit;
}

button {
  border: 1px solid var(--brand);
  border-radius: 11px;
  background: linear-gradient(130deg, var(--brand) 0%, #2b7ce3 100%);
  color: #fff;
  padding: 0.58rem 0.95rem;
  cursor: pointer;
  font-weight: 700;
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
}

button:hover {
  filter: brightness(1.03);
  transform: translateY(-1px);
}

button:focus-visible {
  outline: 2px solid #79a9ff;
  outline-offset: 2px;
}

button.ghost {
  color: var(--brand);
  border-color: #c4d6f8;
  background: linear-gradient(130deg, #ffffff 0%, #edf4ff 100%);
}

.login-view {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 30px 16px;
}

.login-card {
  width: min(520px, 100%);
  background: linear-gradient(158deg, rgba(255, 255, 255, 0.95), #ffffff 45%);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 26px;
  box-shadow: var(--surface-shadow);
  position: relative;
  overflow: hidden;
}

.login-card::before {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 210px;
  height: 210px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(24, 93, 204, 0.22), transparent 72%);
  pointer-events: none;
}

.login-card h1 {
  margin: 9px 0 12px;
  font-size: clamp(1.35rem, 1.2rem + 0.8vw, 1.7rem);
  line-height: 1.3;
  color: var(--text-heading);
}

.login-form {
  margin-top: 18px;
  display: grid;
  gap: 12px;
}

.auth-tabs {
  margin-top: 14px;
  display: flex;
  gap: 8px;
}

.auth-tabs .ghost.active {
  color: #ffffff;
  border-color: #195dcb;
  background: linear-gradient(130deg, #185dcc 0%, #2b7ce3 100%);
}

.auth-actions-row {
  display: flex;
  gap: 8px;
}

.password-help {
  margin-top: 14px;
  border: 1px solid #d6e2f6;
  border-radius: 12px;
  padding: 12px;
  background: linear-gradient(145deg, #ffffff 0%, #f4f8ff 100%);
  display: grid;
  gap: 10px;
}

.password-help h3 {
  margin: 0;
  color: #14325d;
}

.password-help-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: end;
}

.account-modal {
  position: fixed;
  inset: 0;
  z-index: 1200;
  background: rgba(8, 15, 28, 0.45);
  display: grid;
  place-items: center;
  padding: 18px;
}

.account-modal-card {
  width: min(560px, 100%);
  max-height: 92vh;
  overflow: auto;
  border: 1px solid #c8d8f4;
  border-radius: 16px;
  background: linear-gradient(145deg, #ffffff 0%, #f4f8ff 100%);
  box-shadow: 0 24px 48px rgba(9, 20, 39, 0.28);
  padding: 16px;
}

.account-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.account-modal-head h3 {
  margin: 0;
  color: #14315a;
}

.slides-modal {
  position: fixed;
  inset: 0;
  z-index: 1300;
  background: rgba(8, 15, 28, 0.62);
  backdrop-filter: blur(10px);
  display: grid;
  justify-items: center;
  align-items: start;
  padding: 24px;
  overflow: auto;
}

.slides-modal-card {
  width: min(1180px, 100%);
  max-height: calc(100vh - 48px);
  border: 1px solid rgba(211, 222, 243, 0.9);
  border-radius: 22px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.98), rgba(247, 251, 255, 0.96));
  box-shadow: 0 28px 60px rgba(6, 16, 32, 0.35);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 16px;
  padding: 18px;
  overflow: hidden;
}

.slides-modal-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.slides-modal-head h3 {
  margin: 6px 0 0;
  font-size: clamp(1.35rem, 1.18rem + 0.7vw, 1.75rem);
  color: #112851;
}

.slides-modal-head-actions {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.ghost-link,
.slide-briefing-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  appearance: none;
  border-radius: 12px;
  border: 1px solid #c4d6f8;
  background: linear-gradient(130deg, #ffffff 0%, #edf4ff 100%);
  color: var(--brand);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.2;
  padding: 0.68rem 0.96rem;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.ghost-link:hover,
.slide-briefing-link:hover {
  filter: brightness(1.03);
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(20, 44, 90, 0.1);
}

.slides-counter {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid #cbdaf4;
  background: #eef4ff;
  color: #1f4d93;
  font-size: 0.82rem;
  font-weight: 800;
  padding: 0.22rem 0.62rem;
}

.slides-modal-stage {
  min-height: 0;
  overflow: auto;
  padding-right: 4px;
}

.slides-modal-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.slides-modal-foot .ghost[disabled] {
  opacity: 0.44;
  cursor: default;
  transform: none;
}

.slides-progress-dots {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.slides-dot {
  min-width: 34px;
  padding: 0.28rem 0.58rem;
  border-radius: 999px;
  border: 1px solid #cad9f3;
  background: #ffffff;
  color: #36598b;
  font-size: 0.78rem;
  font-weight: 800;
}

.slides-dot.active {
  border-color: #1f63cb;
  background: linear-gradient(130deg, #1c66d1 0%, #4f95f0 100%);
  color: #ffffff;
}

.login-form label {
  display: grid;
  gap: 6px;
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.login-form input {
  border: 1px solid var(--line);
  border-radius: 11px;
  padding: 0.64rem 0.74rem;
  background: #fff;
  color: var(--text);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.login-form input:focus {
  outline: none;
  border-color: #82adf5;
  box-shadow: 0 0 0 3px rgba(130, 173, 245, 0.2);
}

.app-view {
  height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr;
}

.topbar {
  border-bottom: 1px solid var(--lg-line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.97) 0%, rgba(246, 247, 248, 0.98) 100%);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 20px rgba(45, 49, 54, 0.05);
  padding: 13px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.sidebar-toggle {
  width: 40px;
  height: 40px;
  padding: 0;
  border-color: #d9dee4;
  border-radius: 12px;
  background: linear-gradient(180deg, #ffffff 0%, #f2f4f6 100%);
  box-shadow: 0 4px 12px rgba(45, 49, 54, 0.06);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sidebar-toggle:hover {
  border-color: #cfd5dc;
  background: #ffffff;
  box-shadow: 0 8px 14px rgba(45, 49, 54, 0.08);
  filter: none;
  transform: none;
}

.sidebar-toggle-bars {
  display: grid;
  gap: 4px;
}

.sidebar-toggle-bars span {
  display: block;
  width: 16px;
  height: 2px;
  border-radius: 999px;
  background: #4b4f54;
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.sidebar-toggle.is-collapsed .sidebar-toggle-bars span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.sidebar-toggle.is-collapsed .sidebar-toggle-bars span:nth-child(2) {
  opacity: 0;
}

.sidebar-toggle.is-collapsed .sidebar-toggle-bars span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.topbar h2 {
  margin: 4px 0 0;
  font-size: 1.14rem;
  color: var(--lg-charcoal);
}

.topbar .eyebrow {
  color: var(--lg-red);
  letter-spacing: 0.12em;
}

.topbar-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

.topbar-status-row {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 10px;
  width: 100%;
}

.user-box {
  border: 1px solid #dfe3e8;
  background: rgba(255, 255, 255, 0.98);
  border-radius: 14px;
  padding: 5px 7px 5px 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  box-shadow: 0 6px 16px rgba(45, 49, 54, 0.05);
}

.user-box strong {
  display: inline-block;
  max-width: min(40vw, 420px);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 0.9rem;
  letter-spacing: -0.01em;
  color: var(--lg-charcoal);
}

.topbar-right .ghost {
  padding: 0.34rem 0.62rem;
  font-size: 0.82rem;
  border-radius: 10px;
  border-color: #d9dee4;
  background: linear-gradient(180deg, #ffffff 0%, #f3f5f7 100%);
  color: #4e5560;
  box-shadow: none;
}

.topbar-right .ghost:hover {
  border-color: #cfd5dc;
  background: #ffffff;
  box-shadow: 0 6px 14px rgba(45, 49, 54, 0.06);
  filter: none;
  transform: none;
}

.user-box #logoutBtn {
  color: var(--lg-red);
  border-color: var(--lg-red-line);
  background: linear-gradient(180deg, #fff8fa 0%, #f8edf1 100%);
}

.progress-badge {
  font-weight: 800;
  background: linear-gradient(180deg, #fff5f8 0%, #faecef 100%);
  color: var(--lg-red);
  border: 1px solid var(--lg-red-line);
  border-radius: 999px;
  padding: 0.32rem 0.68rem;
  font-size: 0.9rem;
}

.course-badge {
  font-weight: 800;
  background: linear-gradient(180deg, #ffffff 0%, #f4f6f8 100%);
  color: var(--lg-charcoal);
  border: 1px solid #dfe4e9;
  border-radius: 999px;
  padding: 0.32rem 0.68rem;
  font-size: 0.84rem;
  max-width: min(36vw, 420px);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.miro-logo-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 0;
  background: transparent;
  color: #1f2024;
  flex: 0 0 auto;
}

.miro-logo-badge svg {
  width: 18px;
  height: 18px;
  display: block;
}

.miro-logo-badge.compact {
  width: 16px;
  height: 16px;
  border-radius: 0;
}

.miro-logo-badge.compact svg {
  width: 15px;
  height: 15px;
}

.miro-btn-label {
  display: inline-flex;
  align-items: center;
  line-height: 1;
}

.layout {
  min-height: 0;
  display: grid;
  grid-template-columns: 325px 1fr;
  transition: grid-template-columns 0.24s ease;
}

.layout.with-task-panel {
  grid-template-columns: 325px 1fr 365px;
}

.layout.no-task-panel {
  grid-template-columns: 325px 1fr;
}

.layout.sidebar-collapsed {
  grid-template-columns: 0 1fr;
}

.layout.with-task-panel.sidebar-collapsed {
  grid-template-columns: 0 1fr 365px;
}

.layout.no-task-panel.sidebar-collapsed {
  grid-template-columns: 0 1fr;
}

.sidebar {
  border-right: 1px solid var(--lg-line);
  background: linear-gradient(180deg, #f7f8fa 0%, #f2f4f6 100%);
  overflow: auto;
  min-width: 0;
  transition:
    transform 0.24s ease,
    opacity 0.24s ease,
    max-height 0.24s ease,
    border-color 0.24s ease;
  transform-origin: left center;
}

.layout.sidebar-collapsed .sidebar {
  transform: translateX(-18px);
  opacity: 0;
  pointer-events: none;
  overflow: hidden;
  border-right-color: transparent;
}

.sidebar-title {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 13px 14px;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid #e5e8ec;
  font-weight: 800;
  color: var(--lg-charcoal);
  backdrop-filter: blur(8px);
}

.chapter-list {
  padding: 8px;
}

.chapter-card {
  border: 1px solid #dee3e8;
  border-radius: 14px;
  margin-bottom: 10px;
  overflow: hidden;
  background: #ffffff;
  box-shadow: 0 8px 18px rgba(45, 49, 54, 0.06);
}

.chapter-header {
  width: 100%;
  border: 0;
  border-bottom: 1px solid #edf0f3;
  border-radius: 0;
  background: linear-gradient(180deg, #ffffff 0%, #f7f8fa 100%);
  padding: 9px 10px;
  color: var(--lg-charcoal);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  cursor: pointer;
}

.chapter-header:hover {
  background: #f5f6f8;
  filter: none;
  transform: none;
}

.chapter-header-left {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 7px;
}

.chapter-header-right {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.chapter-code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  padding: 0.08rem 0.38rem;
  border-radius: 8px;
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--lg-red);
  border: 1px solid var(--lg-red-line);
  background: linear-gradient(145deg, #fcf2f5 0%, #f7e8ee 100%);
}

.chapter-label {
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--lg-charcoal);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: -0.01em;
}

.chapter-chevron {
  color: #7b8189;
  font-size: 0.82rem;
  font-weight: 700;
}

.chapter-time {
  color: #818791;
  font-size: 0.74rem;
  margin-top: 0;
}

.clip-list {
  display: grid;
  gap: 0;
}

.clip-list.collapsed {
  display: none;
}

.clip-btn {
  border: 0;
  border-top: 1px solid #edf0f3;
  border-radius: 0;
  text-align: left;
  background: #ffffff;
  color: #4e5560;
  padding: 7px 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  grid-template-columns: 1fr auto;
  gap: 8px;
  font-weight: 700;
}

.clip-main {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.clip-dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: #c7cdd5;
  flex-shrink: 0;
}

.clip-btn:hover {
  background: #f7f8fa;
  filter: none;
  transform: none;
}

.clip-btn.active {
  background: linear-gradient(90deg, #f9edf1 0%, #fffdfd 100%);
  color: #1f2429;
  box-shadow: inset 3px 0 0 var(--lg-red);
}

.clip-btn.active .clip-dot {
  background: var(--lg-red);
  box-shadow: 0 0 0 4px rgba(165, 0, 52, 0.1);
}

.clip-btn .clip-title {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: #2f343a;
  font-size: 0.84rem;
  font-weight: 700;
}

.clip-type {
  color: var(--text-muted);
  font-size: 0.79rem;
  font-weight: 700;
}

.clip-type-badge {
  border-radius: 7px;
  padding: 0.12rem 0.38rem;
  border: 1px solid #dde3e9;
  font-size: 0.63rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  flex-shrink: 0;
  background: #f5f7f9;
}

.clip-type-badge.cat-concept {
  color: #3f566f;
  border-color: #d7e0ea;
  background: #eef3f8;
}

.clip-type-badge.cat-practice {
  color: #725933;
  border-color: #e8dece;
  background: #f7f2ea;
}

.clip-type-badge.cat-platform {
  color: #325a57;
  border-color: #d7e8e5;
  background: #edf5f3;
}

.clip-type-badge.cat-setup {
  color: #6e5541;
  border-color: #eadccd;
  background: #f7f0e9;
}

.clip-type-badge.cat-overview {
  color: #4f5968;
  border-color: #dee4ea;
  background: #f0f3f6;
}

.clip-type-badge.cat-reference,
.clip-type-badge.cat-default {
  color: #60566f;
  border-color: #e2ddea;
  background: #f4f0f8;
}

.clip-btn.completed .clip-title::after {
  content: "  ✓";
  color: var(--lg-red);
  font-weight: 800;
}

.content-area {
  min-width: 0;
  padding: 20px 24px;
  overflow: auto;
  background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
}

.content-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

.content-head h1 {
  margin: 8px 0 8px;
  font-size: clamp(1.3rem, 1.08rem + 0.8vw, 1.64rem);
  line-height: 1.28;
  color: var(--text-heading);
}

.clip-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.clip-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.76rem;
  font-weight: 800;
  color: #0f4ea8;
  background: linear-gradient(140deg, #edf4ff 0%, #e3efff 100%);
  border: 1px solid #c7d7f8;
  border-radius: 999px;
  padding: 0.17rem 0.58rem;
}

.clip-badge.time {
  color: #2e6f18;
  border-color: #bde3bf;
  background: linear-gradient(140deg, #e8f9e8 0%, #ddf6df 100%);
}

.clip-badge.type-practice {
  color: #7b4a00;
  border-color: #f1d4ac;
  background: linear-gradient(140deg, #fff4e5 0%, #ffefd8 100%);
}

.clip-badge.type-reference {
  color: #6240a8;
  border-color: #d6c8f3;
  background: linear-gradient(140deg, #f2ecff 0%, #e9e0ff 100%);
}

.clip-badge.type-setup {
  color: #0d6a5e;
  border-color: #b8e1da;
  background: linear-gradient(140deg, #e8fbf6 0%, #dcf6ef 100%);
}

.clip-badge.type-overview,
.clip-badge.type-concept,
.clip-badge.type-platform {
  color: #114da9;
}

.overview {
  margin: 0;
  color: var(--text-secondary);
  max-width: 82ch;
}

.content-actions {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
}

.topbar-actions {
  justify-content: flex-end;
  gap: 8px;
}

.topbar-actions button {
  min-height: 38px;
  padding: 0.45rem 0.78rem;
  border-radius: 11px;
  border-color: #d9dee4;
  background: linear-gradient(180deg, #ffffff 0%, #f3f5f7 100%);
  color: #4e5560;
  box-shadow: none;
}

.topbar-actions button:hover {
  border-color: #cfd5dc;
  background: #ffffff;
  box-shadow: 0 8px 16px rgba(45, 49, 54, 0.06);
  filter: none;
  transform: none;
}

.topbar-actions #toggleTaskBtn.miro-launch-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border-color: #e0c149;
  background: linear-gradient(180deg, #ffe56f 0%, #ffd239 100%);
  color: #18191d;
  box-shadow: 0 10px 20px rgba(255, 210, 57, 0.22);
}

.topbar-actions #toggleTaskBtn.miro-launch-btn:hover {
  border-color: #d3b32f;
  background: linear-gradient(180deg, #ffe978 0%, #ffd847 100%);
  box-shadow: 0 12px 22px rgba(255, 210, 57, 0.26);
}

.topbar-actions #markCompleteBtn {
  border-color: var(--lg-red);
  background: linear-gradient(180deg, #b20039 0%, #a50034 100%);
  color: #ffffff;
  box-shadow: 0 10px 20px rgba(165, 0, 52, 0.18);
}

.topbar-actions #markCompleteBtn:hover {
  border-color: #92002e;
  background: linear-gradient(180deg, #bb003c 0%, #ad0037 100%);
  box-shadow: 0 12px 22px rgba(165, 0, 52, 0.22);
}

.topbar-actions #markCompleteBtn:focus-visible,
.topbar-right .ghost:focus-visible,
.sidebar-toggle:focus-visible {
  outline: 2px solid rgba(165, 0, 52, 0.22);
  outline-offset: 2px;
}

.content-actions button {
  padding: 0.42rem 0.72rem;
  border-radius: 10px;
  font-size: 0.84rem;
  line-height: 1.2;
}

.clip-body {
  margin-top: 0;
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: 0;
  box-shadow: none;
  position: relative;
}

.content-editor-panel {
  margin-top: 18px;
  border: 1px solid #d6deee;
  border-radius: 18px;
  background: linear-gradient(180deg, #fbfdff 0%, #f2f7ff 100%);
  box-shadow: 0 12px 28px rgba(18, 44, 92, 0.08);
  padding: 16px;
}

.content-editor-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.content-editor-head h3 {
  margin: 0;
  color: #15325d;
}

.content-editor-actions {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.content-editor-path {
  margin: 10px 0 0;
  font-size: 0.78rem;
  color: #48617f;
  font-family: "Consolas", "SFMono-Regular", monospace;
}

.content-asset-panel {
  display: grid;
  gap: 14px;
  margin-top: 16px;
  padding: 18px;
  border-radius: 18px;
  border: 1px solid #d8e2f3;
  background: linear-gradient(180deg, #fdfefe 0%, #f5f9ff 100%);
}

.content-embed-panel {
  margin-top: 14px;
}

.content-embed-grid {
  display: grid;
  grid-template-columns: minmax(280px, 2fr) minmax(200px, 1fr);
  gap: 10px;
}

.content-embed-field {
  display: grid;
  gap: 6px;
  font-size: 0.84rem;
  color: #3c5274;
}

.content-embed-field span {
  font-weight: 700;
  color: #27486f;
}

.content-embed-field input {
  border: 1px solid #ced9eb;
  border-radius: 10px;
  padding: 0.7rem 0.78rem;
  background: #fff;
  color: #163969;
}

.content-embed-field input:focus {
  outline: none;
  border-color: #82acf2;
  box-shadow: 0 0 0 3px rgba(130, 172, 242, 0.2);
}

.content-asset-upload-row {
  display: grid;
  gap: 8px;
}

.content-asset-picker-row {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 54px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px dashed #b8c9e7;
  background: #fff;
}

.content-asset-selection-summary {
  font-size: 0.86rem;
  color: #4a6487;
  line-height: 1.5;
  word-break: break-word;
}

.content-asset-input-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.content-asset-list {
  display: grid;
  gap: 10px;
}

.content-asset-card {
  display: grid;
  gap: 10px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid #d5e1f2;
  background: #fff;
}

.content-asset-meta {
  display: grid;
  gap: 4px;
}

.content-asset-meta strong {
  font-size: 0.92rem;
  color: #163969;
}

.content-asset-meta span {
  font-size: 0.76rem;
  color: #63789f;
  word-break: break-all;
}

.content-asset-snippet {
  margin: 0;
  overflow: auto;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid #d7e3f7;
  background: #0f1727;
  color: #e7eefb;
  font-size: 0.74rem;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
}

.content-editor-layout {
  margin-top: 12px;
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(280px, 1fr);
  gap: 12px;
}

.content-editor-pane,
.content-editor-preview-pane {
  border: 1px solid #d3deef;
  border-radius: 14px;
  background: #fff;
  padding: 10px;
}

.content-editor-label {
  margin: 0 0 8px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #315581;
}

.content-editor-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.content-editor-hint {
  font-size: 0.75rem;
  color: #6280aa;
}

.content-code-editor-shell {
  position: relative;
  min-height: 460px;
  border: 1px solid #ced9eb;
  border-radius: 12px;
  background: #fbfdff;
  overflow: hidden;
}

.content-code-editor-shell:focus-within {
  border-color: #82acf2;
  box-shadow: 0 0 0 3px rgba(130, 172, 242, 0.2);
}

.content-editor-highlight,
.content-editor-pane textarea {
  margin: 0;
  width: 100%;
  min-height: 460px;
  padding: 0.8rem;
  font: 0.86rem/1.6 "Consolas", "SFMono-Regular", monospace;
  white-space: pre-wrap;
  word-break: break-word;
  tab-size: 2;
}

.content-editor-highlight {
  position: absolute;
  inset: 0;
  overflow: auto;
  color: #19304f;
  pointer-events: none;
}

.content-editor-pane textarea {
  position: relative;
  z-index: 1;
  resize: none;
  border: 0;
  background: transparent;
  color: transparent;
  caret-color: #19304f;
}

.content-editor-pane textarea:focus {
  outline: none;
}

.content-editor-pane textarea::selection {
  background: rgba(130, 172, 242, 0.34);
  color: transparent;
}

.content-editor-pane textarea::placeholder {
  color: #7d97b7;
}

.content-editor-preview {
  position: relative;
  min-height: 460px;
  max-height: 760px;
  overflow: auto;
  border-radius: 12px;
  background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
  border: 1px dashed #d6deee;
  padding: 12px;
}

.content-editor-preview [data-editor-source-index] {
  transition: box-shadow 0.16s ease, background-color 0.16s ease;
}

.content-editor-preview [data-editor-source-index]:hover {
  cursor: pointer;
  box-shadow: inset 0 0 0 1px rgba(61, 114, 214, 0.32);
  background-color: rgba(61, 114, 214, 0.04);
}

.content-editor-preview [data-editor-quick-editable="1"]:hover {
  cursor: text;
  box-shadow: inset 0 0 0 1px rgba(22, 163, 74, 0.28);
  background-color: rgba(22, 163, 74, 0.05);
}

.course-content.direct-edit-enabled [data-editor-quick-editable="1"] {
  transition: box-shadow 0.16s ease, background-color 0.16s ease;
}

.course-content.direct-edit-enabled [data-editor-quick-editable="1"]:hover {
  cursor: text;
  box-shadow: inset 0 0 0 1px rgba(165, 0, 52, 0.22);
  background-color: rgba(165, 0, 52, 0.05);
}

.course-content.direct-edit-enabled [data-editor-quick-editable="1"]:focus-visible {
  outline: 2px solid rgba(165, 0, 52, 0.18);
  outline-offset: 2px;
}

.content-inline-editor {
  position: absolute;
  z-index: 12;
  width: min(420px, calc(100% - 24px));
  padding: 10px;
  border: 1px solid #82acf2;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 16px 36px rgba(17, 39, 72, 0.16);
}

.content-inline-editor-input {
  width: 100%;
  min-height: 90px;
  resize: vertical;
  border: 1px solid #ced9eb;
  border-radius: 10px;
  padding: 0.72rem;
  font: 0.9rem/1.55 "Pretendard Variable", "Noto Sans KR", sans-serif;
  color: #163355;
  background: #fbfdff;
}

.content-inline-editor-input:focus {
  outline: none;
  border-color: #82acf2;
  box-shadow: 0 0 0 3px rgba(130, 172, 242, 0.2);
}

.content-inline-editor-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 8px;
}

.code-token-comment {
  color: #6b7d96;
}

.code-token-delimiter {
  color: #7b5af8;
}

.code-token-tag {
  color: #1f5fbf;
}

.code-token-attr {
  color: #9a3412;
}

.code-token-value {
  color: #0f766e;
}

.sidebar-editor-grid {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.sidebar-editor-field {
  display: grid;
  gap: 6px;
  font-size: 0.84rem;
  color: #3c5274;
}

.sidebar-editor-field span {
  font-weight: 700;
  color: #27486f;
}

.sidebar-editor-field input,
.sidebar-editor-field select {
  border: 1px solid #ced9eb;
  border-radius: 10px;
  padding: 0.62rem 0.7rem;
  background: #fff;
  color: var(--text);
}

.sidebar-editor-field input:focus,
.sidebar-editor-field select:focus {
  outline: none;
  border-color: #82acf2;
  box-shadow: 0 0 0 3px rgba(130, 172, 242, 0.2);
}

.sidebar-editor-preview-card {
  margin-top: 14px;
  border: 1px solid #d3deef;
  border-radius: 14px;
  background: #fff;
  padding: 12px;
}

.publish-status-grid,
.publish-file-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.publish-status-card,
.publish-file-card {
  border: 1px solid #d3deef;
  border-radius: 14px;
  background: #fff;
  padding: 12px;
}

.publish-status-card strong {
  display: block;
  color: #15325d;
  font-size: 0.96rem;
}

.publish-message-field {
  margin-top: 14px;
}

.publish-file-list {
  display: grid;
  gap: 8px;
  max-height: 260px;
  overflow: auto;
}

.publish-file-entry {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: start;
  padding: 10px 12px;
  border: 1px solid #d8e2f3;
  border-radius: 12px;
  background: linear-gradient(180deg, #fbfdff 0%, #f6faff 100%);
}

.publish-file-code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  padding: 0.14rem 0.44rem;
  border-radius: 999px;
  background: #e9f2ff;
  border: 1px solid #c9daf6;
  color: #1d4e92;
  font-size: 0.72rem;
  font-weight: 800;
  font-family: "Consolas", "SFMono-Regular", monospace;
}

.publish-file-path {
  font-family: "Consolas", "SFMono-Regular", monospace;
  font-size: 0.76rem;
  color: #355274;
  word-break: break-all;
}

.sidebar-editor-preview-shell {
  display: grid;
  gap: 10px;
  border: 1px solid #dce5f4;
  border-radius: 14px;
  padding: 14px;
  background: linear-gradient(180deg, #fbfdff 0%, #f6f9ff 100%);
}

.sidebar-editor-preview-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
}

.sidebar-editor-preview-head strong {
  color: #15325d;
  font-size: 0.94rem;
}

.sidebar-editor-preview-clip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px dashed #d6deee;
  padding-top: 10px;
  font-size: 0.88rem;
}

.clip-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 52px;
  padding: 0.22rem 0.52rem;
  border-radius: 999px;
  border: 1px solid #d2def2;
  background: #eef4ff;
  color: #1e4f95;
  font-size: 0.74rem;
  font-weight: 800;
}

.note-panel {
  margin-top: 16px;
  border: 1px solid #d2def2;
  border-radius: 16px;
  padding: 14px;
  background: linear-gradient(160deg, #ffffff 0%, #f7fbff 100%);
  box-shadow: 0 9px 22px rgba(18, 44, 92, 0.08);
}

.note-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.note-panel-head h3 {
  margin: 0;
  color: #14335e;
}

.note-clip-context {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid #c0d5f6;
  background: #eaf2ff;
  color: #1a4e94;
  font-size: 0.76rem;
  font-weight: 800;
  padding: 0.15rem 0.55rem;
}

.note-panel textarea {
  width: 100%;
  border: 1px solid #cfdbee;
  border-radius: 10px;
  padding: 0.6rem 0.68rem;
  background: #ffffff;
  color: #1d2b45;
}

.note-panel textarea:focus {
  outline: none;
  border-color: #84aff5;
  box-shadow: 0 0 0 3px rgba(132, 175, 245, 0.2);
}

.note-panel-actions {
  margin-top: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.clip-body::before {
  content: none;
}

.clip-body.course-content {
  color: var(--text-body);
}

.clip-body.course-content p {
  margin: 0 0 12px;
}

.clip-body.course-content h1,
.clip-body.course-content h2,
.clip-body.course-content h3,
.clip-body.course-content h4 {
  margin: 10px 0 10px;
  color: var(--text-heading);
  line-height: 1.34;
}

.clip-body.course-content ul,
.clip-body.course-content ol {
  margin: 10px 0 12px;
  padding-left: 1.28rem;
}

.clip-body.course-content li {
  margin: 5px 0;
}

.clip-body img,
.clip-body iframe {
  max-width: 100%;
  border-radius: 11px;
}

.clip-body iframe {
  width: 100%;
  min-height: 280px;
  border: 1px solid #d4def0;
  background: #fff;
}

.clip-body .diagram-shell,
.clip-body .chart-shell {
  border: 1px solid #d5e0f3;
  border-radius: 12px;
  background: linear-gradient(150deg, #ffffff 0%, #f7fbff 100%);
  padding: 10px;
  margin: 10px 0;
}

.clip-body .diagram-shell {
  overflow-x: auto;
}

.clip-body .chart-canvas {
  max-height: 320px;
}

.clip-header {
  margin-bottom: 10px;
}

.clip-header .clip-title {
  margin-top: 8px;
}

.clip-overview {
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.clip-section {
  margin: 12px 0;
  animation: riseIn 0.44s ease both;
  animation-delay: var(--stagger, 0ms);
}

.clip-section.surface-card {
  border: 1px solid #d6e0f2;
  border-radius: 15px;
  padding: 14px 15px;
  background: linear-gradient(160deg, #ffffff 0%, #f8fbff 100%);
  box-shadow: 0 8px 20px rgba(20, 46, 97, 0.06);
}

.clip-section-title {
  font-size: 1.05rem;
  font-weight: 800;
  margin: 0 0 8px;
  color: #12264a;
}

.clip-section-content {
  color: var(--text-body);
}

.comparison-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid #cfd9eb;
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  font-size: 0.92rem;
}

.comparison-table thead th {
  background: linear-gradient(160deg, #eaf2ff 0%, #dfeeff 100%);
  color: #173866;
  text-align: left;
  font-weight: 800;
  padding: 10px 11px;
  border-bottom: 1px solid #cbdaef;
}

.comparison-table td {
  padding: 9px 11px;
  border-bottom: 1px solid #e6eefb;
  vertical-align: top;
}

.comparison-table tr:last-child td {
  border-bottom: 0;
}

.comparison-table tbody tr:nth-child(even) td {
  background: #fbfdff;
}

.prompt-block,
.prompt-inline-block {
  border: 1px solid #c5daf9;
  background: linear-gradient(145deg, #eef5ff 0%, #f8fbff 100%);
  border-radius: 11px;
  padding: 11px 12px;
  margin: 10px 0;
}

.prompt-header,
.prompt-inline-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.prompt-label,
.prompt-inline-label {
  font-weight: 800;
  color: #153764;
}

.prompt-content,
.prompt-inline-content {
  margin-top: 7px;
  white-space: pre-wrap;
  color: #1f3558;
}

.copy-btn,
.prompt-inline-copy {
  border-radius: 9px;
  padding: 0.34rem 0.63rem;
  font-size: 0.82rem;
}

.prompt-expand-toggle {
  border: 1px solid #9eb9e3;
  background: #ffffff;
  color: #1a4a86;
  border-radius: 9px;
  padding: 0.34rem 0.63rem;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
}

.prompt-inline-copy.copied,
.copy-btn.copied {
  background: #138246;
  border-color: #138246;
  color: #ffffff;
}

.prompt-inline-copy.failed,
.copy-btn.failed {
  background: #b42318;
  border-color: #b42318;
  color: #ffffff;
}

.prompt-md-preview {
  margin-top: 8px;
  padding: 12px;
  border: 1px solid #d6e3fa;
  border-radius: 10px;
  background: #ffffff;
  color: #1f3558;
  overflow: auto;
  max-height: 560px;
}

.prompt-md-preview.collapsed {
  max-height: 340px;
}

.prompt-md-preview h1,
.prompt-md-preview h2,
.prompt-md-preview h3,
.prompt-md-preview h4 {
  margin: 0.4rem 0 0.3rem;
  color: #11325b;
}

.prompt-md-preview h1 {
  font-size: 1.05rem;
}

.prompt-md-preview h2 {
  font-size: 0.98rem;
}

.prompt-md-preview h3 {
  font-size: 0.92rem;
}

.prompt-md-preview p {
  margin: 0.32rem 0;
}

.prompt-md-preview ul,
.prompt-md-preview ol {
  margin: 0.3rem 0 0.5rem 1.1rem;
}

.prompt-md-preview li {
  margin: 0.18rem 0;
}

.prompt-md-preview code {
  background: #f2f7ff;
  border: 1px solid #d6e3fa;
  border-radius: 6px;
  padding: 0.08rem 0.35rem;
}

.prompt-fill {
  display: inline-block;
  margin: 0 0.08rem;
  padding: 0.02rem 0.38rem;
  border-radius: 5px;
  border: 1.5px dashed #d88a18;
  background: #fff8e1;
  color: #8a4f00;
  font-size: 0.96em;
  font-weight: 700;
}

.copy-toast {
  position: fixed;
  top: 22px;
  right: 22px;
  z-index: 1200;
  padding: 10px 14px;
  border-radius: 9px;
  border: 1px solid #95c9aa;
  background: #138246;
  color: #ffffff;
  font-size: 0.84rem;
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.2);
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.copy-toast.error {
  background: #b42318;
  border-color: #b42318;
}

.copy-toast.show {
  opacity: 1;
  transform: translateY(0);
}

.tip-block,
.info-block,
.security-notice {
  border: 1px solid #d6dff2;
  border-left: 4px solid #5699f2;
  border-radius: 12px;
  padding: 12px 13px;
  background: linear-gradient(145deg, #f7faff 0%, #f1f7ff 100%);
  margin: 11px 0;
}

.tip-block-title,
.info-block-title {
  font-weight: 800;
  color: #153665;
  margin-bottom: 6px;
}

.tip-block-content,
.info-block-content {
  color: #243a5f;
}

.lms-action-demo-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.lms-demo-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0.45rem 0.78rem;
  border-radius: 11px;
  border: 1px solid #d9dee4;
  background: linear-gradient(180deg, #ffffff 0%, #f3f5f7 100%);
  color: #4e5560;
  font-size: 0.86rem;
  font-weight: 700;
  box-shadow: none;
}

.lms-demo-btn-primary {
  border-color: var(--lg-red);
  background: linear-gradient(180deg, #b20039 0%, #a50034 100%);
  color: #ffffff;
  box-shadow: 0 10px 20px rgba(165, 0, 52, 0.18);
}

.lms-action-demo-row .lms-demo-btn-primary {
  border-color: #d9dee4;
  background: linear-gradient(180deg, #ffffff 0%, #f3f5f7 100%);
  color: #4e5560;
  box-shadow: none;
}

.lms-guide-chip-row .lms-demo-btn-primary {
  border-color: var(--lg-red);
  background: linear-gradient(180deg, #b20039 0%, #a50034 100%);
  color: #ffffff;
  box-shadow: 0 10px 20px rgba(165, 0, 52, 0.18);
}

.lms-demo-btn.miro-demo-btn {
  gap: 7px;
  border-color: #e0c149;
  background: linear-gradient(180deg, #ffe56f 0%, #ffd239 100%);
  color: #18191d;
  box-shadow: 0 10px 18px rgba(255, 210, 57, 0.2);
}

.lms-demo-btn-ghost {
  color: #4e5560;
  border-color: #d9dee4;
  background: linear-gradient(180deg, #ffffff 0%, #f3f5f7 100%);
  box-shadow: none;
}

.lms-demo-btn-inline {
  min-height: 30px;
  padding: 0.34rem 0.72rem;
  font-size: 0.78rem;
  border-radius: 10px;
}

.lms-demo-btn-inline.miro-demo-btn {
  gap: 6px;
  padding: 0.32rem 0.64rem;
  box-shadow: none;
}

.lms-guide-list {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}

.lms-guide-item {
  border: 1px solid #d7e3f7;
  border-radius: 14px;
  background: linear-gradient(145deg, #ffffff 0%, #f8fbff 100%);
  padding: 14px 16px;
}

.lms-guide-chip-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
  color: #173767;
}

.lms-guide-item p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: #274064;
}

.warning {
  border-left-color: #d19a20;
}

.practice-shortcut-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid #c8daf7;
  border-radius: 11px;
  background: linear-gradient(145deg, #e8f3ff 0%, #f6fbff 100%);
  padding: 10px 11px;
  margin: 11px 0 13px;
}

.practice-shortcut-text {
  font-size: 0.9rem;
  color: #23416f;
}

.practice-shortcut-link {
  margin-left: auto;
  text-decoration: none;
  font-weight: 800;
  color: #0f4ea8;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.ref-links {
  display: grid;
  gap: 10px;
}

.ref-link-item {
  border: 1px solid #d7e1f3;
  background: linear-gradient(160deg, #ffffff 0%, #f7faff 100%);
  border-radius: 12px;
  padding: 11px 12px;
  color: #1f3558;
  transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.ref-link-item strong {
  color: #16325d;
}

.ref-link-item.copied {
  border-color: #138246;
  background: linear-gradient(160deg, #1b9951 0%, #138246 100%);
  color: #ffffff;
}

.ref-link-item.failed {
  border-color: #b42318;
  background: linear-gradient(160deg, #c83a31 0%, #b42318 100%);
  color: #ffffff;
}

.ref-link-item.copied strong,
.ref-link-item.failed strong,
.ref-link-item.copied span,
.ref-link-item.failed span {
  color: #ffffff !important;
}

.ref-link-text {
  display: grid;
  gap: 6px;
}

.ref-link-title {
  font-size: 0.98rem;
  font-weight: 800;
  color: #16325d;
}

.ref-link-desc {
  color: #304a72;
  font-size: 0.9rem;
}

.ref-link-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  font-size: 0.78rem;
  color: #607190;
}

.ref-link-cat,
.pill-tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid #cfe0fb;
  background: #ecf4ff;
  color: #1b4f9b;
  font-size: 0.74rem;
  font-weight: 800;
  padding: 0.12rem 0.52rem;
}

.ref-link-download-btn,
.tool-link {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #c4d8fa;
  border-radius: 9px;
  background: #fff;
  color: #1856b1;
  padding: 0.32rem 0.58rem;
  font-weight: 700;
}

.tool-list {
  display: grid;
  gap: 10px;
}

.tool-item {
  border: 1px solid #d5e0f3;
  background: linear-gradient(165deg, #ffffff 0%, #f8fbff 100%);
  border-radius: 12px;
  padding: 10px 12px;
  display: grid;
  gap: 6px;
}

.tool-name {
  font-weight: 800;
  color: #183865;
}

.tool-desc {
  color: #304970;
  font-size: 0.9rem;
}

.tool-usecase {
  color: #536582;
  font-size: 0.84rem;
}

.news-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.slide-briefing-entry {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) auto;
  gap: 14px;
  align-items: center;
  border: 1px solid #d3def1;
  border-radius: 16px;
  padding: 16px 18px;
  background:
    radial-gradient(circle at top right, rgba(86, 153, 242, 0.18), transparent 34%),
    linear-gradient(150deg, #ffffff 0%, #eef5ff 100%);
}

.slide-briefing-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.slide-preview-shell {
  display: grid;
  gap: 14px;
}

.slide-preview-head {
  display: grid;
  gap: 4px;
}

.slide-preview-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
}

.slide-preview-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
  flex-shrink: 0;
}

.slide-preview-gallery {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.slide-preview-gallery.has-fixed-columns {
  grid-template-columns: repeat(var(--slide-preview-columns, 3), minmax(0, 1fr));
}

.slide-preview-gallery.single-slide {
  grid-template-columns: minmax(0, 1fr);
}

.slide-preview-card {
  position: relative;
  display: grid;
  gap: 10px;
  min-height: 0;
  text-align: left;
  border-radius: 18px;
  border: 1px solid rgba(203, 218, 244, 0.92);
  padding: 10px;
  background: linear-gradient(155deg, #ffffff 0%, #f4f8ff 100%);
  box-shadow: 0 10px 22px rgba(20, 44, 90, 0.08);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.slide-preview-card-wide {
  grid-template-columns: minmax(0, 1.65fr) minmax(250px, 0.7fr);
  gap: 18px;
  align-items: stretch;
  padding: 14px;
}

.slide-preview-card:hover {
  transform: translateY(-3px);
  border-color: #b5cbed;
  box-shadow: 0 16px 28px rgba(20, 44, 90, 0.12);
}

.slide-preview-card-immersive {
  gap: 0;
  padding: 14px;
}

.slide-preview-page,
.slide-preview-eyebrow,
.slide-preview-cta,
.slide-preview-floating-cta {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  border-radius: 999px;
  font-weight: 800;
}

.slide-preview-page {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 2;
  justify-content: center;
  min-width: 30px;
  padding: 0.16rem 0.55rem;
  background: rgba(14, 23, 38, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #ffffff;
  font-size: 0.74rem;
}

.slide-preview-image-frame {
  overflow: hidden;
  border-radius: 14px;
  border: 1px solid rgba(200, 214, 238, 0.95);
  background: #0f1727;
  aspect-ratio: 16 / 9;
}

.slide-preview-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.slide-preview-gallery.immersive-preview .slide-preview-card-wide {
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.slide-preview-gallery.immersive-preview .slide-preview-image-frame {
  min-height: clamp(320px, 48vw, 540px);
  aspect-ratio: auto;
  background:
    linear-gradient(180deg, rgba(12, 20, 33, 0.98), rgba(21, 34, 58, 0.98)),
    #101929;
}

.slide-preview-gallery.immersive-preview .slide-preview-image {
  object-fit: contain;
}

.slide-preview-gallery[data-slide-deck-preview="concept-foundation-guide"].immersive-preview .slide-preview-image-frame {
  min-height: clamp(760px, 92vw, 1320px);
}

.slide-preview-gallery.immersive-preview .slide-preview-page {
  top: 22px;
  left: 22px;
}

.slide-preview-floating-cta {
  position: absolute;
  right: 24px;
  bottom: 24px;
  justify-self: flex-start;
  padding: 0.18rem 0.64rem;
  font-size: 0.74rem;
  color: #ffffff;
  background: linear-gradient(130deg, rgba(20, 44, 90, 0.9) 0%, rgba(50, 88, 156, 0.92) 100%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 10px 18px rgba(10, 20, 37, 0.22);
}

.slide-preview-gallery.single-slide .slide-preview-image-frame {
  min-height: 320px;
  aspect-ratio: auto;
}

.slide-preview-gallery.single-slide .slide-preview-image {
  object-fit: contain;
}

.slide-preview-gallery.single-slide .slide-preview-meta {
  align-content: center;
  padding: 10px 4px 10px 0;
}

.slide-preview-gallery.single-slide .slide-preview-title {
  font-size: 1.18rem;
}

.slide-preview-gallery.single-slide .slide-preview-cta {
  margin-top: 6px;
}

.slide-preview-meta {
  display: grid;
  gap: 6px;
  padding: 0 2px 2px;
}

.slide-preview-card.preview-theme-lg-ecosystem {
  border-color: rgba(165, 0, 52, 0.18);
  background:
    radial-gradient(circle at top right, rgba(165, 0, 52, 0.12), transparent 36%),
    linear-gradient(150deg, #fffefe 0%, #fff7fa 48%, #f7faff 100%);
}

.slide-preview-card.preview-theme-lg-ecosystem .slide-preview-image-frame {
  border-color: rgba(165, 0, 52, 0.14);
  background:
    linear-gradient(180deg, rgba(18, 26, 44, 0.92), rgba(30, 36, 54, 0.96)),
    #131826;
}

.slide-preview-card.preview-theme-lg-ecosystem .slide-preview-page {
  background: rgba(165, 0, 52, 0.9);
  border-color: rgba(255, 255, 255, 0.18);
}

.slide-preview-card.preview-theme-lg-ecosystem .slide-preview-eyebrow {
  color: #a50034;
}

.slide-preview-card.preview-theme-lg-ecosystem .slide-preview-title {
  color: #17294f;
}

.slide-preview-card.preview-theme-lg-ecosystem .slide-preview-cta {
  color: #a50034;
}

.practice-file-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.practice-file-card {
  display: grid;
  gap: 10px;
  padding: 16px;
  border-radius: 18px;
  border: 1px solid #d6e0f2;
  background: linear-gradient(180deg, #ffffff 0%, #f7faff 100%);
  box-shadow: 0 10px 20px rgba(20, 44, 90, 0.06);
}

.practice-file-card p {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--text-body);
}

.practice-file-actions,
.practice-file-table-actions,
.asset-preview-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.practice-file-btn,
.practice-mini-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid #2d6cdf;
  background: #2d6cdf;
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.16s ease, box-shadow 0.16s ease, opacity 0.16s ease;
}

.practice-mini-btn {
  min-height: 30px;
  padding: 0 10px;
  font-size: 0.74rem;
}

.practice-file-btn:hover,
.practice-mini-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 18px rgba(31, 92, 202, 0.18);
}

.practice-file-btn.ghost,
.practice-mini-btn.ghost {
  background: #fff;
  color: #245fca;
}

.asset-preview-panel {
  margin-top: 18px;
  display: grid;
  gap: 14px;
  padding: 18px;
  border-radius: 20px;
  border: 1px solid #d6e0f2;
  background: #f7fbff;
}

.asset-preview-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.asset-preview-kicker {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #6381b8;
  margin-bottom: 4px;
}

.asset-preview-title {
  display: block;
  font-size: 1rem;
  color: #183a70;
}

.asset-preview-body {
  margin: 0;
  max-height: 420px;
  overflow: auto;
  padding: 16px;
  border-radius: 16px;
  border: 1px solid #d7e3f7;
  background: #fff;
  font-size: 0.78rem;
  line-height: 1.7;
  color: #20304d;
  white-space: pre-wrap;
  word-break: break-word;
}

.style-prompt-guide-shell {
  display: grid;
  gap: 18px;
}

.style-prompt-guide-intro {
  display: grid;
  gap: 10px;
  padding: 20px;
  border-radius: 20px;
  border: 1px solid #d6e0f2;
  background: linear-gradient(180deg, #ffffff 0%, #f6faff 100%);
}

.style-prompt-guide-axis {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-body);
}

.style-axis-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.38rem 0.75rem;
  border-radius: 999px;
  border: 1px solid #d6ddea;
  background: #fff;
  font-weight: 700;
  color: #35517f;
}

.style-matrix-column-guide {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.style-matrix-column-card {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid #d6ddea;
  background: linear-gradient(180deg, #ffffff 0%, #f7f9fd 100%);
}

.style-matrix-column-card[data-grammar="grid"] {
  border-color: rgba(78, 119, 184, 0.26);
  box-shadow: inset 0 -8px 0 rgba(73, 112, 171, 0.06);
}

.style-matrix-column-card[data-grammar="system"] {
  border-color: rgba(77, 124, 132, 0.22);
  border-radius: 24px;
  background: linear-gradient(180deg, #f4f8f8 0%, #ffffff 100%);
  box-shadow: 0 10px 18px rgba(17, 31, 55, 0.05);
}

.style-matrix-column-card[data-grammar="pop"] {
  border: 2px solid #9c5a32;
  background: linear-gradient(180deg, #fff8f3 0%, #ffffff 100%);
  box-shadow: 4px 4px 0 rgba(191, 108, 65, 0.15);
}

.style-matrix-column-card[data-grammar="stage"] {
  background: linear-gradient(135deg, #2f367b 0%, #5c66b8 100%);
  border-color: #2f367b;
}

.style-matrix-column-label {
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #17355f;
}

.style-matrix-column-card[data-grammar="stage"] .style-matrix-column-label {
  color: #fff;
}

.style-matrix-column-desc {
  font-size: 0.76rem;
  line-height: 1.65;
  color: #5c6f8c;
}

.style-matrix-column-card[data-grammar="stage"] .style-matrix-column-desc {
  color: rgba(255, 255, 255, 0.82);
}

.style-matrix-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.style-brand-mode {
  display: grid;
  gap: 14px;
  padding: 18px;
  border-radius: 24px;
  border: 1px solid #d7dde6;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.style-brand-mode-head {
  display: grid;
  gap: 6px;
}

.style-brand-mode-title {
  font-size: 1rem;
  font-weight: 800;
  color: #1c2a44;
}

.style-brand-mode-desc {
  font-size: 0.84rem;
  line-height: 1.76;
  color: #425778;
}

.style-codebook-shell {
  display: grid;
  gap: 18px;
  padding: 20px;
  border-radius: 24px;
  border: 1px solid #d7deea;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.style-codebook-head {
  display: grid;
  gap: 6px;
}

.style-codebook-title {
  font-size: 1.02rem;
  font-weight: 800;
  color: #1a2f55;
}

.style-codebook-desc {
  font-size: 0.84rem;
  line-height: 1.78;
  color: #41597f;
}

.style-formula-strip {
  display: grid;
  gap: 10px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid #d5e0f4;
  background: linear-gradient(180deg, #f7fbff 0%, #eef5ff 100%);
}

.style-formula-badge {
  display: inline-flex;
  align-items: center;
  width: max-content;
  padding: 0.34rem 0.78rem;
  border-radius: 999px;
  border: 1px solid #c9d9f5;
  background: #fff;
  color: #224783;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.style-formula-code {
  display: block;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid #d7e2f6;
  background: #ffffff;
  color: #243a61;
  font-size: 0.8rem;
  line-height: 1.72;
  white-space: pre-wrap;
  word-break: break-word;
}

.style-codebook-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.style-codebook-card {
  display: grid;
  gap: 10px;
  padding: 16px;
  border-radius: 20px;
  border: 1px solid #d5dff1;
  background: linear-gradient(180deg, #ffffff 0%, #f9fbff 100%);
}

.style-codebook-card-title {
  font-size: 0.92rem;
  font-weight: 800;
  color: #18345d;
}

.style-codebook-table {
  margin-top: 0;
}

.style-codebook-table thead th {
  font-size: 0.75rem;
}

.style-codebook-table td {
  font-size: 0.78rem;
  line-height: 1.62;
}

.style-codebook-examples {
  display: grid;
  gap: 12px;
}

.style-codebook-example-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.style-code-example-card {
  display: grid;
  gap: 8px;
  padding: 15px 16px;
  border-radius: 18px;
  border: 1px solid #d4deee;
  background: linear-gradient(180deg, #ffffff 0%, #f7faff 100%);
}

.style-code-example-code {
  display: inline-flex;
  align-items: center;
  width: max-content;
  padding: 0.28rem 0.62rem;
  border-radius: 999px;
  border: 1px solid #c6d7f2;
  background: #eef5ff;
  color: #224783;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.style-code-example-title {
  font-size: 0.9rem;
  font-weight: 800;
  color: #162c4d;
}

.style-code-example-desc {
  font-size: 0.79rem;
  line-height: 1.68;
  color: #4a5f82;
}

.style-brand-reference {
  display: grid;
  gap: 12px;
}

.style-brand-reference-note {
  font-size: 0.8rem;
  color: #51657f;
}

.style-brand-reference-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.style-brand-reference-card {
  display: grid;
  gap: 6px;
  padding: 15px 16px;
  border-radius: 18px;
  border: 1px solid #d6deeb;
  background: #fff;
}

.style-brand-reference-name {
  font-size: 0.86rem;
  font-weight: 800;
  color: #18345d;
}

.style-brand-reference-brands {
  font-size: 0.79rem;
  line-height: 1.68;
  color: #4c5f7c;
}

.style-matrix-card {
  --style-grammar-accent: #4e77b8;
  --style-grammar-tint: rgba(78, 119, 184, 0.05);
  display: grid;
  gap: 10px;
  min-height: 218px;
  padding: 18px;
  border-radius: 24px;
  border: 1px solid #d4dbe8;
  background: #fff;
  box-shadow: 0 8px 18px rgba(17, 31, 55, 0.06);
  position: relative;
  overflow: hidden;
}

.style-matrix-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(180deg, var(--style-grammar-tint) 0%, transparent 34%);
  z-index: 0;
}

.style-matrix-card > * {
  position: relative;
  z-index: 1;
}

.style-matrix-card[role="button"] {
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.style-matrix-card[role="button"]:hover {
  transform: translateY(-3px);
}

.style-matrix-card[role="button"]:focus-visible {
  outline: 3px solid rgba(56, 123, 232, 0.42);
  outline-offset: 3px;
}

.style-matrix-card[role="button"]::after {
  content: "클릭해서 prompt 보기";
  position: absolute;
  right: 16px;
  bottom: 14px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.26rem 0.64rem;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #214d93;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(192, 207, 232, 0.9);
  z-index: 2;
}

.style-matrix-card[data-grammar="grid"] {
  --style-grammar-accent: #4e77b8;
  --style-grammar-tint: rgba(78, 119, 184, 0.05);
}

.style-matrix-card[data-grammar="system"] {
  --style-grammar-accent: #4d7c84;
  --style-grammar-tint: rgba(77, 124, 132, 0.055);
}

.style-matrix-card[data-grammar="pop"] {
  --style-grammar-accent: #bf6c41;
  --style-grammar-tint: rgba(191, 108, 65, 0.06);
}

.style-matrix-card[data-grammar="stage"] {
  --style-grammar-accent: #5a5bc0;
  --style-grammar-tint: rgba(90, 91, 192, 0.065);
}

.style-matrix-card[data-tone="minimal"] {
  background: linear-gradient(180deg, #ffffff 0%, #f7f9fc 100%);
}

.style-matrix-card[data-tone="minimal"] .style-matrix-title {
  letter-spacing: -0.02em;
}

.style-matrix-card[data-tone="scandinavian"] {
  background: linear-gradient(180deg, #faf6ee 0%, #fffaf2 100%);
  border-color: #e6dcca;
  border-radius: 30px;
}

.style-matrix-card[data-tone="scandinavian"] .style-matrix-title {
  font-weight: 700;
}

.style-matrix-card[data-tone="brutal"] {
  background: #fff28a;
  border: 3px solid #111;
  box-shadow: 7px 7px 0 #111;
}

.style-matrix-card[data-tone="brutal"] .style-matrix-meta,
.style-matrix-card[data-tone="brutal"] .style-matrix-title,
.style-matrix-card[data-tone="brutal"] .style-matrix-desc {
  color: #111;
}

.style-matrix-card[data-tone="brutal"] .style-matrix-title {
  text-transform: uppercase;
  letter-spacing: -0.03em;
}

.style-matrix-card[data-tone="poster"] {
  background: #141414;
  border-color: #2d2d2d;
  color: #fff;
}

.style-matrix-card[data-tone="lg"] {
  background: linear-gradient(180deg, #ffffff 0%, #f7f8fa 100%);
  border-color: #d7dde6;
  box-shadow: 0 10px 24px rgba(32, 41, 59, 0.08);
}

.style-matrix-card[data-tone="lg"]::after {
  color: #7d0028;
  border-color: rgba(165, 0, 52, 0.2);
}

.style-matrix-meta {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #738199;
}

.style-matrix-card[data-tone="poster"] .style-matrix-meta {
  color: #9a9a9a;
}

.style-matrix-card[data-tone="lg"] .style-matrix-meta {
  color: #7b5360;
}

.style-matrix-title {
  font-size: 1.04rem;
  font-weight: 800;
  color: #16253e;
}

.style-matrix-card[data-tone="poster"] .style-matrix-title {
  color: #fff;
  text-transform: uppercase;
  letter-spacing: -0.03em;
}

.style-matrix-card[data-tone="lg"] .style-matrix-title {
  color: #242a33;
  letter-spacing: -0.03em;
}

.style-matrix-desc {
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--text-body);
}

.style-matrix-card[data-tone="poster"] .style-matrix-desc {
  color: #dedede;
}

.style-matrix-card[data-tone="lg"] .style-matrix-desc {
  color: #4a545f;
}

.style-matrix-cues {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.style-matrix-cue {
  display: inline-flex;
  align-items: center;
  padding: 0.34rem 0.68rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 166, 196, 0.4);
  background: rgba(255, 255, 255, 0.9);
  font-size: 0.74rem;
  color: #36507d;
}

.style-matrix-card[data-tone="brutal"] .style-matrix-cue {
  border: 2px solid #111;
  border-radius: 4px;
  color: #111;
}

.style-matrix-card[data-tone="poster"] .style-matrix-cue {
  background: rgba(255, 255, 255, 0.06);
  border-color: #424242;
  color: #fff;
}

.style-matrix-card[data-tone="lg"] .style-matrix-cue {
  background: #ffffff;
  border-color: rgba(165, 0, 52, 0.14);
  color: #5d3945;
}

.style-matrix-prompt {
  font-size: 0.78rem;
  line-height: 1.7;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid rgba(181, 198, 227, 0.6);
  background: rgba(255, 255, 255, 0.72);
  color: #243754;
}

.style-matrix-card[data-tone="poster"] .style-matrix-prompt {
  background: #202020;
  border-color: #333;
  color: #f1f1f1;
}

.style-matrix-card[data-tone="lg"] .style-matrix-prompt {
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(165, 0, 52, 0.18);
  color: #333b46;
}

.style-matrix-preview {
  display: grid;
  gap: 8px;
  min-height: 132px;
  padding: 12px;
  border-radius: 18px;
  border: 1px solid rgba(170, 186, 213, 0.56);
  background: rgba(255, 255, 255, 0.88);
  overflow: hidden;
}

.style-matrix-preview-rail,
.style-matrix-preview-headline,
.style-matrix-preview-subline,
.style-matrix-preview-panels span {
  display: block;
}

.style-matrix-preview-rail {
  width: 34%;
  height: 10px;
  border-radius: 999px;
  background: #4e77b8;
}

.style-matrix-preview-headline {
  width: 78%;
  height: 34px;
  border-radius: 14px;
  background: linear-gradient(90deg, rgba(32, 59, 97, 0.16) 0%, rgba(32, 59, 97, 0.08) 100%);
}

.style-matrix-preview-subline {
  width: 52%;
  height: 8px;
  border-radius: 999px;
  background: rgba(78, 119, 184, 0.24);
}

.style-matrix-preview-panels {
  display: grid;
  gap: 6px;
}

.style-matrix-preview-panels span {
  min-height: 24px;
  border-radius: 12px;
  background: rgba(70, 107, 167, 0.12);
}

.style-matrix-card[data-tone="minimal"] .style-matrix-preview {
  border-radius: 16px;
  border-color: rgba(177, 190, 214, 0.68);
  background: linear-gradient(180deg, #ffffff 0%, #f9fbfe 100%);
}

.style-matrix-card[data-tone="minimal"] .style-matrix-preview-rail,
.style-matrix-card[data-tone="minimal"] .style-matrix-preview-subline,
.style-matrix-card[data-tone="minimal"] .style-matrix-preview-panels span {
  background: transparent;
  border: 1px solid rgba(89, 114, 155, 0.28);
}

.style-matrix-card[data-tone="minimal"] .style-matrix-preview-headline {
  background: linear-gradient(90deg, rgba(30, 56, 97, 0.12) 0%, rgba(30, 56, 97, 0.04) 100%);
  border: 1px solid rgba(89, 114, 155, 0.18);
}

.style-matrix-card[data-tone="scandinavian"] .style-matrix-preview {
  border-radius: 24px;
  border-color: rgba(212, 198, 171, 0.82);
  background: linear-gradient(180deg, #fffdfa 0%, #f7f0e6 100%);
}

.style-matrix-card[data-tone="scandinavian"] .style-matrix-preview-rail {
  background: #b58957;
}

.style-matrix-card[data-tone="scandinavian"] .style-matrix-preview-headline {
  background: linear-gradient(90deg, rgba(181, 137, 87, 0.2) 0%, rgba(181, 137, 87, 0.08) 100%);
}

.style-matrix-card[data-tone="scandinavian"] .style-matrix-preview-subline,
.style-matrix-card[data-tone="scandinavian"] .style-matrix-preview-panels span {
  background: rgba(181, 137, 87, 0.16);
}

.style-matrix-card[data-tone="brutal"] .style-matrix-preview {
  border: 3px solid #111;
  border-radius: 4px;
  background: #fffdf3;
  box-shadow: 6px 6px 0 #111;
}

.style-matrix-card[data-tone="brutal"] .style-matrix-preview-rail {
  background: #ff57b3;
  border: 2px solid #111;
  border-radius: 0;
}

.style-matrix-card[data-tone="brutal"] .style-matrix-preview-headline {
  background: #5cd0e6;
  border: 2px solid #111;
  border-radius: 0;
}

.style-matrix-card[data-tone="brutal"] .style-matrix-preview-subline,
.style-matrix-card[data-tone="brutal"] .style-matrix-preview-panels span {
  background: #b7f14b;
  border: 2px solid #111;
  border-radius: 0;
}

.style-matrix-card[data-tone="poster"] .style-matrix-preview {
  border-color: #343434;
  background: radial-gradient(circle at top left, #242424 0%, #101010 68%);
}

.style-matrix-card[data-tone="lg"] .style-matrix-preview {
  border-color: rgba(165, 0, 52, 0.12);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(244, 246, 248, 0.98) 100%);
}

.style-matrix-card[data-tone="lg"] .style-matrix-preview-rail {
  background: #a50034;
}

.style-matrix-card[data-tone="lg"] .style-matrix-preview-headline {
  background: linear-gradient(90deg, rgba(75, 79, 84, 0.2) 0%, rgba(75, 79, 84, 0.06) 100%);
}

.style-matrix-card[data-tone="lg"] .style-matrix-preview-subline,
.style-matrix-card[data-tone="lg"] .style-matrix-preview-panels span {
  background: rgba(109, 110, 113, 0.14);
}

.style-brand-card {
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.9fr);
  align-items: start;
  min-height: 0;
  gap: 14px 18px;
}

.style-brand-card-top {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.style-brand-logo {
  width: 96px;
  height: auto;
  display: block;
  object-fit: contain;
}

.style-brand-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.34rem 0.72rem;
  border-radius: 999px;
  border: 1px solid rgba(165, 0, 52, 0.16);
  background: rgba(165, 0, 52, 0.06);
  color: #7d0028;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.style-brand-card .style-brand-card-top,
.style-brand-card .style-matrix-meta,
.style-brand-card .style-matrix-title,
.style-brand-card .style-matrix-desc,
.style-brand-card .style-matrix-cues,
.style-brand-card .style-matrix-prompt {
  grid-column: 1;
}

.style-brand-card .style-matrix-preview {
  grid-column: 2;
  grid-row: 1 / span 6;
  min-height: 100%;
  align-self: stretch;
}

.style-matrix-card[data-tone="poster"] .style-matrix-preview-rail {
  background: #f2f2f2;
}

.style-matrix-card[data-tone="poster"] .style-matrix-preview-headline {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.92) 0%, rgba(255, 255, 255, 0.38) 100%);
}

.style-matrix-card[data-tone="poster"] .style-matrix-preview-subline,
.style-matrix-card[data-tone="poster"] .style-matrix-preview-panels span {
  background: rgba(255, 255, 255, 0.14);
}

.style-matrix-card[data-grammar="grid"] {
  border-radius: 18px;
}

.style-matrix-card[data-grammar="grid"] .style-matrix-meta {
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(78, 119, 184, 0.26);
}

.style-matrix-card[data-grammar="grid"] .style-matrix-cues {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.style-matrix-card[data-grammar="grid"] .style-matrix-cue {
  justify-content: center;
  border-radius: 8px;
  min-height: 38px;
  text-align: center;
}

.style-matrix-card[data-grammar="grid"] .style-matrix-preview {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-areas:
    "rail rail rail"
    "headline headline subline"
    "panels panels panels";
}

.style-matrix-card[data-grammar="grid"] .style-matrix-preview-rail {
  grid-area: rail;
}

.style-matrix-card[data-grammar="grid"] .style-matrix-preview-headline {
  grid-area: headline;
}

.style-matrix-card[data-grammar="grid"] .style-matrix-preview-subline {
  grid-area: subline;
  align-self: center;
  justify-self: end;
}

.style-matrix-card[data-grammar="grid"] .style-matrix-preview-panels {
  grid-area: panels;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.style-matrix-card[data-grammar="system"] {
  border-radius: 28px;
  gap: 12px;
}

.style-matrix-card[data-grammar="system"] .style-matrix-meta {
  display: inline-flex;
  align-items: center;
  width: max-content;
  padding: 0.28rem 0.62rem;
  border-radius: 999px;
  border: 1px solid rgba(77, 124, 132, 0.24);
  background: rgba(242, 248, 248, 0.8);
}

.style-matrix-card[data-grammar="system"] .style-matrix-cues {
  display: grid;
  grid-template-columns: 1fr;
}

.style-matrix-card[data-grammar="system"] .style-matrix-cue {
  width: 100%;
  justify-content: flex-start;
  border-radius: 12px;
  padding: 0.52rem 0.78rem;
}

.style-matrix-card[data-grammar="system"] .style-matrix-prompt {
  margin-top: auto;
}

.style-matrix-card[data-grammar="system"] .style-matrix-preview {
  grid-template-columns: 42px 1fr;
  grid-template-areas:
    "rail headline"
    "rail subline"
    "rail panels";
  align-items: start;
}

.style-matrix-card[data-grammar="system"] .style-matrix-preview-rail {
  grid-area: rail;
  width: auto;
  height: 100%;
  min-height: 78px;
  border-radius: 12px;
}

.style-matrix-card[data-grammar="system"] .style-matrix-preview-headline {
  grid-area: headline;
  width: 64%;
}

.style-matrix-card[data-grammar="system"] .style-matrix-preview-subline {
  grid-area: subline;
  width: 42%;
}

.style-matrix-card[data-grammar="system"] .style-matrix-preview-panels {
  grid-area: panels;
  grid-template-columns: 1fr;
}

.style-matrix-card[data-grammar="system"] .style-matrix-preview-panels span:nth-child(1) {
  width: 100%;
}

.style-matrix-card[data-grammar="system"] .style-matrix-preview-panels span:nth-child(2) {
  width: 78%;
}

.style-matrix-card[data-grammar="system"] .style-matrix-preview-panels span:nth-child(3) {
  width: 90%;
}

.style-matrix-card[data-grammar="pop"] {
  gap: 12px;
}

.style-matrix-card[data-grammar="pop"] .style-matrix-meta {
  display: inline-flex;
  align-items: center;
  width: max-content;
  padding: 0.3rem 0.6rem;
  border: 2px solid currentColor;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 4px 4px 0 rgba(31, 45, 76, 0.12);
  color: #17355f;
}

.style-matrix-card[data-grammar="pop"] .style-matrix-title {
  font-size: 1.24rem;
  line-height: 1.02;
  letter-spacing: -0.03em;
  max-width: 9ch;
}

.style-matrix-card[data-grammar="pop"] .style-matrix-cues {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.style-matrix-card[data-grammar="pop"] .style-matrix-cue {
  justify-content: center;
  min-height: 40px;
  border-radius: 0;
  font-weight: 800;
}

.style-matrix-card[data-grammar="pop"] .style-matrix-prompt {
  border-width: 2px;
  border-color: rgba(191, 108, 65, 0.34);
  border-radius: 0 18px 18px 18px;
}

.style-matrix-card[data-grammar="pop"] .style-matrix-preview {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-areas:
    "rail rail rail"
    "headline headline headline"
    "panels panels panels";
  gap: 10px;
}

.style-matrix-card[data-grammar="pop"] .style-matrix-preview-rail {
  grid-area: rail;
  width: 44%;
  height: 18px;
  border: 2px solid currentColor;
  box-shadow: 3px 3px 0 rgba(25, 40, 70, 0.14);
}

.style-matrix-card[data-grammar="pop"] .style-matrix-preview-headline {
  grid-area: headline;
  width: 82%;
  height: 42px;
  transform: rotate(-1deg);
}

.style-matrix-card[data-grammar="pop"] .style-matrix-preview-subline {
  display: none;
}

.style-matrix-card[data-grammar="pop"] .style-matrix-preview-panels {
  grid-area: panels;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.style-matrix-card[data-grammar="pop"] .style-matrix-preview-panels span:nth-child(2) {
  transform: translateY(6px);
}

.style-matrix-card[data-grammar="pop"] .style-matrix-preview-panels span:nth-child(3) {
  transform: rotate(-1deg);
}

.style-matrix-card[data-grammar="stage"] {
  min-height: 232px;
  gap: 12px;
}

.style-matrix-card[data-grammar="stage"] .style-matrix-title {
  font-size: clamp(1.34rem, 1.45vw, 1.82rem);
  line-height: 0.96;
  letter-spacing: -0.04em;
  max-width: 8ch;
  text-transform: uppercase;
}

.style-matrix-card[data-grammar="stage"] .style-matrix-desc {
  max-width: 18ch;
}

.style-matrix-card[data-grammar="stage"] .style-matrix-cues {
  margin-top: auto;
  display: grid;
  grid-template-columns: 1fr;
}

.style-matrix-card[data-grammar="stage"] .style-matrix-cue {
  justify-content: flex-start;
  border-radius: 6px;
  min-height: 38px;
  border-color: rgba(90, 91, 192, 0.28);
}

.style-matrix-card[data-grammar="stage"] .style-matrix-prompt {
  padding: 10px 0 0;
  border-radius: 0;
  border-left: 0;
  border-right: 0;
  border-bottom: 0;
  background: transparent;
}

.style-matrix-card[data-grammar="stage"] .style-matrix-preview {
  min-height: 148px;
  grid-template-columns: 1fr;
  grid-template-areas:
    "rail"
    "headline"
    "subline"
    "panels";
  align-content: end;
}

.style-matrix-card[data-grammar="stage"] .style-matrix-preview-rail {
  grid-area: rail;
  width: 18%;
  height: 8px;
}

.style-matrix-card[data-grammar="stage"] .style-matrix-preview-headline {
  grid-area: headline;
  width: 90%;
  height: 52px;
}

.style-matrix-card[data-grammar="stage"] .style-matrix-preview-subline {
  grid-area: subline;
  width: 36%;
}

.style-matrix-card[data-grammar="stage"] .style-matrix-preview-panels {
  grid-area: panels;
  grid-template-columns: 1fr;
}

.style-matrix-card[data-grammar="stage"] .style-matrix-preview-panels span:nth-child(1) {
  width: 92%;
}

.style-matrix-card[data-grammar="stage"] .style-matrix-preview-panels span:nth-child(2) {
  width: 64%;
}

.style-matrix-card[data-grammar="stage"] .style-matrix-preview-panels span:nth-child(3) {
  width: 78%;
}

.style-matrix-card[data-tone="brutal"][data-grammar="pop"] .style-matrix-meta {
  background: #ff7ecb;
  color: #111;
  box-shadow: 4px 4px 0 #111;
}

.style-matrix-card[data-tone="poster"][data-grammar="pop"] .style-matrix-meta,
.style-matrix-card[data-tone="poster"][data-grammar="system"] .style-matrix-meta {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.24);
}

.slide-preview-eyebrow {
  padding: 0.16rem 0.62rem;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #305586;
  background: rgba(238, 244, 255, 0.96);
  border: 1px solid rgba(203, 218, 244, 0.96);
}

.slide-preview-title {
  font-size: 0.97rem;
  line-height: 1.35;
  color: #17355f;
}

.slide-preview-cta {
  justify-self: flex-start;
  padding: 0.18rem 0.64rem;
  font-size: 0.74rem;
  color: #ffffff;
  background: linear-gradient(130deg, #315fae 0%, #6f93d8 100%);
}

.slide-briefing-eyebrow {
  margin: 0 0 6px;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #1d5dc0;
}

.slide-briefing-title {
  margin: 0 0 6px;
  color: #132b54;
  font-size: 1.05rem;
  font-weight: 800;
}

.slide-briefing-desc {
  margin: 0;
  color: #3a5277;
  font-size: 0.9rem;
}

.slides-launch-btn {
  white-space: nowrap;
  box-shadow: 0 14px 28px rgba(26, 83, 165, 0.18);
}

.news-filter-btn {
  border-radius: 999px;
  padding: 0.33rem 0.75rem;
  font-size: 0.84rem;
  border: 1px solid #c5d6f5;
  background: #fff;
  color: #2e466f;
  font-weight: 700;
}

.news-filter-btn.active {
  color: #fff;
  border-color: #1d63cb;
  background: linear-gradient(130deg, #1c66d1 0%, #4f95f0 100%);
}

.news-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(245px, 1fr));
}

.news-card {
  position: relative;
  display: grid;
  gap: 8px;
  text-decoration: none;
  border: 1px solid #d4deef;
  border-radius: 14px;
  padding: 11px;
  color: inherit;
  background: linear-gradient(160deg, #ffffff 0%, #f4f9ff 100%);
  box-shadow: 0 8px 20px rgba(20, 44, 90, 0.07);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
  animation: cardIn 0.42s ease both;
  animation-delay: var(--stagger, 0ms);
}

.news-card::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 4px;
  border-radius: 14px 14px 0 0;
  background: linear-gradient(90deg, #2d7de1, #7dc6ff);
}

.news-card:hover {
  transform: translateY(-4px);
  border-color: #b8cbed;
  box-shadow: var(--card-shadow-hover);
}

.news-card.hidden-by-filter {
  display: none;
}

.news-card-cat {
  display: inline-flex;
  width: fit-content;
  border-radius: 999px;
  padding: 0.12rem 0.58rem;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  border: 1px solid #c9daf8;
  color: #1952a3;
  background: #ebf3ff;
}

.news-card-cat.business {
  border-color: #f6d1a7;
  color: #8b4f00;
  background: #fff2e2;
}

.news-card-cat.technology {
  border-color: #b9d8ff;
  color: #0d4f9b;
  background: #eaf4ff;
}

.news-card-cat.policy {
  border-color: #d6c4f3;
  color: #6541a3;
  background: #f3ecff;
}

.news-card-headline {
  font-size: 0.97rem;
  line-height: 1.42;
  color: #17355f;
  font-weight: 800;
}

.news-card-insight {
  color: #385072;
  font-size: 0.89rem;
}

.news-card-footer {
  margin-top: 2px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: #667892;
  font-size: 0.77rem;
  border-top: 1px solid #e2ebf9;
  padding-top: 7px;
}

.slide-image-sheet {
  position: relative;
  min-height: min(72vh, 860px);
  border-radius: 24px;
  padding: 18px;
  overflow: hidden;
  display: grid;
  gap: 14px;
  background:
    radial-gradient(circle at top right, rgba(87, 136, 232, 0.18), transparent 30%),
    linear-gradient(150deg, #f7fbff 0%, #eef4ff 100%);
  border: 1px solid rgba(203, 218, 244, 0.9);
}

.slide-image-meta,
.slide-image-wrap,
.slide-sheet-foot {
  position: relative;
  z-index: 3;
}

.slide-image-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.slide-image-wrap {
  display: grid;
  place-items: center;
  min-height: min(62vh, 760px);
  border-radius: 20px;
  background: #0f1727;
  border: 1px solid rgba(181, 199, 230, 0.4);
  overflow: hidden;
}

.slide-stage-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.slide-sheet {
  position: relative;
  min-height: min(68vh, 760px);
  border-radius: 24px;
  padding: 22px;
  overflow: visible;
  display: grid;
  gap: 18px;
  background:
    radial-gradient(circle at top right, var(--slide-accent-soft) 0%, transparent 32%),
    radial-gradient(circle at bottom left, rgba(255, 255, 255, 0.72) 0%, transparent 36%),
    linear-gradient(145deg, #f7fbff 0%, #eff5ff 100%);
  border: 1px solid rgba(203, 218, 244, 0.9);
}

.slide-image-sheet.deck-theme-lg-ecosystem {
  background:
    radial-gradient(circle at top right, rgba(165, 0, 52, 0.14), transparent 34%),
    radial-gradient(circle at bottom left, rgba(231, 68, 118, 0.08), transparent 28%),
    linear-gradient(150deg, #fffefe 0%, #fff8fb 52%, #f8fbff 100%);
  border-color: rgba(227, 193, 205, 0.95);
}

.slide-image-sheet.deck-theme-lg-ecosystem .slide-image-wrap {
  background:
    linear-gradient(180deg, rgba(18, 24, 41, 0.96), rgba(33, 39, 60, 0.98)),
    #151a29;
  border-color: rgba(165, 0, 52, 0.12);
}

.slide-sheet.deck-theme-lg-ecosystem {
  background:
    radial-gradient(circle at top right, rgba(165, 0, 52, 0.12) 0%, transparent 30%),
    radial-gradient(circle at bottom left, rgba(234, 91, 136, 0.08) 0%, transparent 32%),
    linear-gradient(150deg, #fffefe 0%, #fff9fb 52%, #f8fbff 100%);
  border-color: rgba(228, 196, 209, 0.98);
}

.slide-sheet.deck-theme-lg-ecosystem::before {
  background:
    linear-gradient(rgba(165, 0, 52, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(165, 0, 52, 0.04) 1px, transparent 1px);
  opacity: 0.42;
}

.slide-sheet.deck-theme-lg-ecosystem .slide-kicker {
  color: #a50034;
  border-color: rgba(165, 0, 52, 0.16);
  background: rgba(255, 255, 255, 0.94);
}

.slide-sheet.deck-theme-lg-ecosystem .slide-source-summary {
  color: #5f6679;
  border-color: rgba(219, 206, 212, 0.95);
  background: rgba(255, 255, 255, 0.82);
}

.slide-sheet.deck-theme-lg-ecosystem .slide-main-panel,
.slide-sheet.deck-theme-lg-ecosystem .slide-side-panel {
  border-color: rgba(229, 212, 219, 0.96);
  background: rgba(255, 255, 255, 0.92);
}

.slide-sheet.deck-theme-lg-ecosystem .slide-headline {
  color: #15284b;
}

.slide-sheet.deck-theme-lg-ecosystem .slide-summary {
  color: #4b556d;
  font-size: 1.02rem;
}

.slide-sheet.deck-theme-lg-ecosystem .slide-bullet-list,
.slide-sheet.deck-theme-lg-ecosystem .slide-info-list {
  color: #24334e;
}

.slide-sheet.deck-theme-lg-ecosystem .slide-side-title {
  color: #8b163e;
}

.slide-sheet::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.24) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.24) 1px, transparent 1px);
  background-size: 36px 36px;
  opacity: 0.46;
}

.slide-hitbox {
  position: absolute;
  top: 16px;
  bottom: 16px;
  width: 15%;
  border: 0;
  border-radius: 18px;
  background: transparent;
  z-index: 4;
}

.slide-hitbox.prev {
  left: 16px;
  background: linear-gradient(90deg, rgba(36, 95, 202, 0.1), transparent);
}

.slide-hitbox.next {
  right: 16px;
  background: linear-gradient(270deg, rgba(36, 95, 202, 0.1), transparent);
}

.slide-hitbox.disabled {
  opacity: 0.3;
}

.slide-hitbox:hover:not(.disabled) {
  filter: none;
  transform: none;
}

.slide-sheet-top,
.slide-sheet-grid,
.slide-sheet-foot {
  position: relative;
  z-index: 3;
}

.slide-sheet-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.slide-kicker,
.slide-source-summary {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 800;
  padding: 0.16rem 0.62rem;
}

.slide-kicker {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(183, 202, 235, 0.9);
  color: var(--slide-accent);
}

.slide-source-summary {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(205, 217, 240, 0.9);
  color: #45608d;
}

.slide-sheet-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.82fr);
  gap: 18px;
  align-items: stretch;
}

.slide-main-panel,
.slide-side-panel {
  border: 1px solid rgba(206, 218, 241, 0.9);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.84);
  backdrop-filter: blur(5px);
}

.slide-main-panel {
  padding: 24px;
  display: grid;
  align-content: start;
  gap: 14px;
}

.slide-headline {
  margin: 0;
  color: #11254a;
  font-size: clamp(1.6rem, 1.24rem + 1.02vw, 2.3rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.slide-summary {
  margin: 0;
  color: #314a6f;
  font-size: 1rem;
  line-height: 1.62;
}

.slide-bullet-list {
  margin: 0;
  padding-left: 1.08rem;
  color: #223857;
  display: grid;
  gap: 10px;
}

.slide-bullet-list li {
  line-height: 1.58;
}

.slide-style-hero {
  display: grid;
  gap: 10px;
  padding: 16px;
  border-radius: 20px;
  border: 1px solid rgba(198, 212, 237, 0.86);
  background: rgba(255, 255, 255, 0.92);
}

.slide-style-hero-top {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.slide-style-hero-logo {
  width: 60px;
  height: 60px;
  display: block;
  object-fit: contain;
  padding: 10px;
  border-radius: 18px;
  border: 1px solid rgba(187, 203, 231, 0.92);
  background: rgba(255, 255, 255, 0.94);
}

.slide-style-hero-chip {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.3rem 0.72rem;
  font-size: 0.76rem;
  font-weight: 800;
  border: 1px solid rgba(187, 203, 231, 0.92);
  background: rgba(255, 255, 255, 0.88);
  color: #214d93;
}

.slide-style-hero-canvas {
  display: grid;
  gap: 10px;
  min-height: 178px;
  padding: 16px;
  border-radius: 18px;
  border: 1px solid rgba(182, 199, 228, 0.72);
  background: rgba(255, 255, 255, 0.84);
}

.slide-style-hero-rail,
.slide-style-hero-display,
.slide-style-hero-caption-line,
.slide-style-hero-panels span {
  display: block;
}

.slide-style-hero-rail {
  width: 28%;
  height: 10px;
  border-radius: 999px;
  background: var(--slide-accent);
}

.slide-style-hero-display {
  width: 82%;
  height: 56px;
  border-radius: 18px;
  background: linear-gradient(90deg, var(--slide-accent-soft) 0%, rgba(255, 255, 255, 0.2) 100%);
}

.slide-style-hero-caption-line {
  width: 46%;
  height: 10px;
  border-radius: 999px;
  background: rgba(84, 118, 174, 0.22);
}

.slide-style-hero-panels {
  display: grid;
  gap: 8px;
}

.slide-style-hero-panels span {
  min-height: 30px;
  border-radius: 14px;
  background: rgba(73, 112, 171, 0.14);
}

.slide-style-hero-note {
  font-size: 0.8rem;
  color: #4a6388;
  font-weight: 700;
}

.slide-prompt-block {
  display: grid;
  gap: 10px;
  padding: 14px;
  border-radius: 18px;
  border: 1px solid rgba(195, 210, 236, 0.9);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(244, 248, 255, 0.9) 100%);
}

.slide-prompt-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.slide-prompt-head strong {
  color: #17355f;
  font-size: 0.92rem;
}

.slide-prompt-copy {
  padding: 0.4rem 0.72rem;
  font-size: 0.78rem;
}

.slide-prompt-code {
  margin: 0;
  padding: 14px;
  border-radius: 16px;
  border: 1px solid rgba(202, 216, 240, 0.92);
  background: #fbfdff;
  color: #17345d;
  font-size: 0.82rem;
  line-height: 1.72;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: "Consolas", "SFMono-Regular", "Menlo", monospace;
}

.slide-side-panel {
  padding: 18px;
  display: grid;
  gap: 14px;
}

.slide-side-block {
  border: 1px solid #d8e3f6;
  border-radius: 16px;
  background: linear-gradient(160deg, #ffffff 0%, #f6faff 100%);
  padding: 14px;
  display: grid;
  gap: 10px;
}

.slide-side-title {
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #1c4d94;
}

.slide-signal-list,
.slide-source-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.slide-info-list {
  margin: 0;
  padding-left: 1rem;
  display: grid;
  gap: 8px;
  color: #30496f;
  font-size: 0.84rem;
  line-height: 1.62;
}

.slide-signal-chip,
.slide-source-link {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.28rem 0.7rem;
  font-size: 0.8rem;
  font-weight: 700;
}

.slide-signal-chip {
  border: 1px solid rgba(202, 218, 246, 0.95);
  background: #eef4ff;
  color: #214d93;
}

.slide-source-link {
  text-decoration: none;
  border: 1px solid #d2def2;
  background: #ffffff;
  color: #32527f;
}

.slide-source-link:hover {
  border-color: #aac4ed;
  box-shadow: 0 8px 18px rgba(16, 47, 99, 0.1);
}

.slide-sheet-foot {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: #546887;
  font-size: 0.8rem;
  font-weight: 700;
}

.slide-sheet.slide-sheet-style-preview.style-tone-minimal {
  background:
    linear-gradient(180deg, #ffffff 0%, #f5f8fd 100%);
}

.slide-sheet.slide-sheet-style-preview.style-tone-minimal .slide-main-panel,
.slide-sheet.slide-sheet-style-preview.style-tone-minimal .slide-side-panel,
.slide-sheet.slide-sheet-style-preview.style-tone-minimal .slide-style-hero,
.slide-sheet.slide-sheet-style-preview.style-tone-minimal .slide-style-hero-canvas,
.slide-sheet.slide-sheet-style-preview.style-tone-minimal .slide-prompt-block,
.slide-sheet.slide-sheet-style-preview.style-tone-minimal .slide-side-block {
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.94);
}

.slide-sheet.slide-sheet-style-preview.style-tone-scandinavian {
  background:
    radial-gradient(circle at top right, rgba(181, 137, 87, 0.18) 0%, transparent 30%),
    linear-gradient(160deg, #fffaf4 0%, #f5ecdf 100%);
}

.slide-sheet.slide-sheet-style-preview.style-tone-scandinavian .slide-main-panel,
.slide-sheet.slide-sheet-style-preview.style-tone-scandinavian .slide-side-panel,
.slide-sheet.slide-sheet-style-preview.style-tone-scandinavian .slide-style-hero,
.slide-sheet.slide-sheet-style-preview.style-tone-scandinavian .slide-style-hero-canvas,
.slide-sheet.slide-sheet-style-preview.style-tone-scandinavian .slide-prompt-block,
.slide-sheet.slide-sheet-style-preview.style-tone-scandinavian .slide-side-block {
  border-radius: 28px;
  background: rgba(255, 252, 247, 0.9);
}

.slide-sheet.slide-sheet-style-preview.style-tone-scandinavian .slide-kicker,
.slide-sheet.slide-sheet-style-preview.style-tone-scandinavian .slide-style-hero-chip {
  color: #855f32;
}

.slide-sheet.slide-sheet-style-preview.style-tone-brutal {
  background: #fff28a;
  border: 3px solid #111;
}

.slide-sheet.slide-sheet-style-preview.style-tone-brutal::before {
  opacity: 0;
}

.slide-sheet.slide-sheet-style-preview.style-tone-brutal .slide-main-panel,
.slide-sheet.slide-sheet-style-preview.style-tone-brutal .slide-side-panel,
.slide-sheet.slide-sheet-style-preview.style-tone-brutal .slide-style-hero,
.slide-sheet.slide-sheet-style-preview.style-tone-brutal .slide-style-hero-canvas,
.slide-sheet.slide-sheet-style-preview.style-tone-brutal .slide-prompt-block,
.slide-sheet.slide-sheet-style-preview.style-tone-brutal .slide-side-block {
  border: 3px solid #111;
  border-radius: 4px;
  background: #fffdf3;
  box-shadow: 6px 6px 0 #111;
}

.slide-sheet.slide-sheet-style-preview.style-tone-brutal .slide-headline,
.slide-sheet.slide-sheet-style-preview.style-tone-brutal .slide-summary,
.slide-sheet.slide-sheet-style-preview.style-tone-brutal .slide-bullet-list,
.slide-sheet.slide-sheet-style-preview.style-tone-brutal .slide-side-title,
.slide-sheet.slide-sheet-style-preview.style-tone-brutal .slide-info-list,
.slide-sheet.slide-sheet-style-preview.style-tone-brutal .slide-style-hero-note {
  color: #111;
}

.slide-sheet.slide-sheet-style-preview.style-tone-brutal .slide-headline {
  text-transform: uppercase;
  letter-spacing: -0.04em;
}

.slide-sheet.slide-sheet-style-preview.style-tone-brutal .slide-style-hero-chip,
.slide-sheet.slide-sheet-style-preview.style-tone-brutal .slide-kicker,
.slide-sheet.slide-sheet-style-preview.style-tone-brutal .slide-source-summary,
.slide-sheet.slide-sheet-style-preview.style-tone-brutal .slide-signal-chip,
.slide-sheet.slide-sheet-style-preview.style-tone-brutal .slide-source-link {
  border: 2px solid #111;
  border-radius: 0;
  color: #111;
}

.slide-sheet.slide-sheet-style-preview.style-tone-poster {
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.1) 0%, transparent 28%),
    linear-gradient(160deg, #1a1a1a 0%, #080808 100%);
  border-color: #2f2f2f;
}

.slide-sheet.slide-sheet-style-preview.style-tone-poster::before {
  background:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
}

.slide-sheet.slide-sheet-style-preview.style-tone-poster .slide-main-panel,
.slide-sheet.slide-sheet-style-preview.style-tone-poster .slide-side-panel,
.slide-sheet.slide-sheet-style-preview.style-tone-poster .slide-style-hero,
.slide-sheet.slide-sheet-style-preview.style-tone-poster .slide-style-hero-canvas,
.slide-sheet.slide-sheet-style-preview.style-tone-poster .slide-prompt-block,
.slide-sheet.slide-sheet-style-preview.style-tone-poster .slide-side-block {
  background: rgba(21, 21, 21, 0.9);
  border-color: #383838;
}

.slide-sheet.slide-sheet-style-preview.style-tone-poster .slide-headline,
.slide-sheet.slide-sheet-style-preview.style-tone-poster .slide-summary,
.slide-sheet.slide-sheet-style-preview.style-tone-poster .slide-bullet-list,
.slide-sheet.slide-sheet-style-preview.style-tone-poster .slide-side-title,
.slide-sheet.slide-sheet-style-preview.style-tone-poster .slide-info-list,
.slide-sheet.slide-sheet-style-preview.style-tone-poster .slide-style-hero-note,
.slide-sheet.slide-sheet-style-preview.style-tone-poster .slide-prompt-code {
  color: #f4f4f4;
}

.slide-sheet.slide-sheet-style-preview.style-tone-poster .slide-prompt-code {
  background: #111;
  border-color: #333;
}

.slide-sheet.slide-sheet-style-preview.style-tone-poster .slide-style-hero-chip,
.slide-sheet.slide-sheet-style-preview.style-tone-poster .slide-kicker,
.slide-sheet.slide-sheet-style-preview.style-tone-poster .slide-source-summary,
.slide-sheet.slide-sheet-style-preview.style-tone-poster .slide-signal-chip,
.slide-sheet.slide-sheet-style-preview.style-tone-poster .slide-source-link {
  background: rgba(255, 255, 255, 0.08);
  border-color: #3b3b3b;
  color: #fff;
}

.slide-sheet.slide-sheet-style-preview {
  --style-grammar-accent: #4e77b8;
  --style-grammar-soft: rgba(78, 119, 184, 0.08);
}

.slide-sheet.slide-sheet-style-preview.style-grammar-grid {
  --style-grammar-accent: #4e77b8;
  --style-grammar-soft: rgba(78, 119, 184, 0.08);
}

.slide-sheet.slide-sheet-style-preview.style-grammar-system {
  --style-grammar-accent: #4d7c84;
  --style-grammar-soft: rgba(77, 124, 132, 0.085);
}

.slide-sheet.slide-sheet-style-preview.style-grammar-pop {
  --style-grammar-accent: #bf6c41;
  --style-grammar-soft: rgba(191, 108, 65, 0.1);
}

.slide-sheet.slide-sheet-style-preview.style-grammar-stage {
  --style-grammar-accent: #5a5bc0;
  --style-grammar-soft: rgba(90, 91, 192, 0.1);
}

.slide-sheet.slide-sheet-style-preview .slide-style-hero,
.slide-sheet.slide-sheet-style-preview .slide-main-panel,
.slide-sheet.slide-sheet-style-preview .slide-side-panel {
  box-shadow: inset 0 3px 0 var(--style-grammar-accent);
}

.slide-sheet.slide-sheet-style-preview .slide-style-hero-canvas {
  background-image: linear-gradient(180deg, var(--style-grammar-soft) 0%, transparent 38%);
}

.slide-sheet.slide-sheet-style-preview .slide-style-hero-rail {
  box-shadow: 0 0 0 2px var(--style-grammar-soft);
}

.slide-sheet.slide-sheet-style-preview.style-tone-lg {
  background:
    radial-gradient(circle at top right, rgba(165, 0, 52, 0.08) 0%, transparent 28%),
    linear-gradient(180deg, #ffffff 0%, #f4f6f8 100%);
  border-color: #d8dde3;
}

.slide-sheet.slide-sheet-style-preview.style-tone-lg::before {
  background:
    linear-gradient(rgba(109, 110, 113, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(109, 110, 113, 0.08) 1px, transparent 1px);
}

.slide-sheet.slide-sheet-style-preview.style-tone-lg .slide-main-panel,
.slide-sheet.slide-sheet-style-preview.style-tone-lg .slide-side-panel,
.slide-sheet.slide-sheet-style-preview.style-tone-lg .slide-style-hero,
.slide-sheet.slide-sheet-style-preview.style-tone-lg .slide-style-hero-canvas,
.slide-sheet.slide-sheet-style-preview.style-tone-lg .slide-prompt-block,
.slide-sheet.slide-sheet-style-preview.style-tone-lg .slide-side-block {
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(216, 221, 227, 0.96);
}

.slide-sheet.slide-sheet-style-preview.style-tone-lg .slide-headline,
.slide-sheet.slide-sheet-style-preview.style-tone-lg .slide-summary,
.slide-sheet.slide-sheet-style-preview.style-tone-lg .slide-bullet-list,
.slide-sheet.slide-sheet-style-preview.style-tone-lg .slide-side-title,
.slide-sheet.slide-sheet-style-preview.style-tone-lg .slide-info-list,
.slide-sheet.slide-sheet-style-preview.style-tone-lg .slide-style-hero-note,
.slide-sheet.slide-sheet-style-preview.style-tone-lg .slide-prompt-code {
  color: #2a2f35;
}

.slide-sheet.slide-sheet-style-preview.style-tone-lg .slide-prompt-code {
  background: #fafbfc;
  border-color: #d8dde3;
}

.slide-sheet.slide-sheet-style-preview.style-tone-lg .slide-style-hero-chip,
.slide-sheet.slide-sheet-style-preview.style-tone-lg .slide-kicker,
.slide-sheet.slide-sheet-style-preview.style-tone-lg .slide-source-summary,
.slide-sheet.slide-sheet-style-preview.style-tone-lg .slide-signal-chip,
.slide-sheet.slide-sheet-style-preview.style-tone-lg .slide-source-link {
  color: #7d0028;
  border-color: rgba(165, 0, 52, 0.16);
  background: rgba(165, 0, 52, 0.06);
}

.slide-sheet.slide-sheet-style-preview.style-tone-lg .slide-style-hero-logo {
  border-color: rgba(165, 0, 52, 0.18);
}

.slide-sheet.slide-sheet-style-preview.style-tone-lg .slide-style-hero-rail {
  background: #a50034;
}

.slide-sheet.slide-sheet-style-preview.style-tone-lg .slide-style-hero-display {
  background: linear-gradient(90deg, rgba(75, 79, 84, 0.22) 0%, rgba(75, 79, 84, 0.08) 100%);
}

.slide-sheet.slide-sheet-style-preview.style-tone-lg .slide-style-hero-caption-line,
.slide-sheet.slide-sheet-style-preview.style-tone-lg .slide-style-hero-panels span {
  background: rgba(109, 110, 113, 0.16);
}

.slide-sheet.slide-sheet-style-preview.style-grammar-grid .slide-style-hero-canvas {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-areas:
    "rail rail rail"
    "display display caption"
    "panels panels panels";
}

.slide-sheet.slide-sheet-style-preview.style-grammar-grid .slide-style-hero-rail {
  grid-area: rail;
}

.slide-sheet.slide-sheet-style-preview.style-grammar-grid .slide-style-hero-display {
  grid-area: display;
}

.slide-sheet.slide-sheet-style-preview.style-grammar-grid .slide-style-hero-caption-line {
  grid-area: caption;
  align-self: center;
  justify-self: end;
}

.slide-sheet.slide-sheet-style-preview.style-grammar-grid .slide-style-hero-panels {
  grid-area: panels;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.slide-sheet.slide-sheet-style-preview.style-grammar-system .slide-sheet-grid {
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.95fr);
}

.slide-sheet.slide-sheet-style-preview.style-grammar-system .slide-style-hero-canvas {
  grid-template-columns: 52px 1fr;
  grid-template-areas:
    "rail display"
    "rail caption"
    "rail panels";
}

.slide-sheet.slide-sheet-style-preview.style-grammar-system .slide-style-hero-rail {
  grid-area: rail;
  width: auto;
  height: 100%;
  min-height: 92px;
  border-radius: 14px;
}

.slide-sheet.slide-sheet-style-preview.style-grammar-system .slide-style-hero-display {
  grid-area: display;
  width: 64%;
}

.slide-sheet.slide-sheet-style-preview.style-grammar-system .slide-style-hero-caption-line {
  grid-area: caption;
  width: 40%;
}

.slide-sheet.slide-sheet-style-preview.style-grammar-system .slide-style-hero-panels {
  grid-area: panels;
  grid-template-columns: 1fr;
}

.slide-sheet.slide-sheet-style-preview.style-grammar-pop .slide-style-hero-canvas {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.slide-sheet.slide-sheet-style-preview.style-grammar-pop .slide-style-hero-rail {
  width: 42%;
  height: 18px;
  border: 2px solid currentColor;
  box-shadow: 3px 3px 0 rgba(28, 47, 83, 0.18);
}

.slide-sheet.slide-sheet-style-preview.style-grammar-pop .slide-style-hero-display {
  width: 86%;
  height: 62px;
  transform: rotate(-1deg);
}

.slide-sheet.slide-sheet-style-preview.style-grammar-pop .slide-style-hero-panels {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.slide-sheet.slide-sheet-style-preview.style-grammar-pop .slide-style-hero-panels span:nth-child(2) {
  transform: translateY(6px);
}

.slide-sheet.slide-sheet-style-preview.style-grammar-stage .slide-sheet-grid {
  grid-template-columns: 1fr;
}

.slide-sheet.slide-sheet-style-preview.style-grammar-stage .slide-headline {
  font-size: clamp(2rem, 1.4rem + 1.8vw, 3.4rem);
  line-height: 0.96;
  max-width: 10ch;
}

.slide-sheet.slide-sheet-style-preview.style-grammar-stage .slide-style-hero-canvas {
  min-height: 220px;
  align-content: end;
}

.slide-sheet.slide-sheet-style-preview.style-grammar-stage .slide-style-hero-display {
  width: 92%;
  height: 84px;
}

.slide-sheet.slide-sheet-style-preview.style-grammar-stage .slide-style-hero-panels {
  grid-template-columns: 1fr;
}

.concepts-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.concept-card {
  border: 0;
  background: transparent;
  perspective: 1200px;
  min-height: 260px;
  cursor: pointer;
  outline: none;
}

.concept-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 260px;
  transition: transform 0.6s;
  transform-style: preserve-3d;
}

.concept-card.flipped .concept-card-inner {
  transform: rotateY(180deg);
}

.concept-card:hover .concept-card-front,
.concept-card:hover .concept-card-back {
  box-shadow: var(--card-shadow-hover);
}

.concept-card-front,
.concept-card-back {
  position: absolute;
  inset: 0;
  border: 1px solid #cddaf0;
  border-radius: 14px;
  padding: 12px;
  backface-visibility: hidden;
  background: linear-gradient(160deg, #ffffff 0%, #f4f8ff 100%);
  box-shadow: var(--card-shadow);
  display: grid;
  gap: 8px;
}

.concept-card-front::before,
.concept-card-back::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 5px;
  border-radius: 14px 14px 0 0;
  background: linear-gradient(90deg, #1f69d6 0%, #68b8ff 100%);
}

.concept-card-back {
  transform: rotateY(180deg);
  background: linear-gradient(160deg, #eff5ff 0%, #e6f0ff 100%);
}

.concept-cat-badge {
  display: inline-flex;
  width: fit-content;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 0.12rem 0.55rem;
  border: 1px solid #c9dbf8;
  color: #15529f;
  background: #eaf3ff;
}

.concept-cat-badge.core,
.concept-cat-badge.business {
  color: #8a4d00;
  border-color: #f3cfaa;
  background: #fff2e2;
}

.concept-cat-badge.technical,
.concept-cat-badge.technology {
  color: #1154a8;
  border-color: #bcd9ff;
  background: #e9f4ff;
}

.concept-cat-badge.advanced,
.badge-advanced,
.pill-tag.badge-advanced {
  color: #6138a2;
  border-color: #d5c2f2;
  background: #f2eaff;
}

.badge-advanced {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid #d5c2f2;
  padding: 0.1rem 0.44rem;
  font-size: 0.72rem;
  font-weight: 800;
}

.concept-term-ko {
  font-size: 1rem;
  font-weight: 800;
  color: #12315d;
}

.concept-term-en {
  color: #3c5578;
  font-size: 0.84rem;
  font-weight: 700;
}

.concept-short-def {
  color: #334e72;
  font-size: 0.89rem;
}

.concept-back-title {
  font-weight: 800;
  color: #11315f;
}

.concept-back-text,
.concept-back-examples {
  color: #2f4a70;
  font-size: 0.88rem;
}

.clip-nav-footer {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.clip-nav-btn {
  border: 1px solid #cad8f3;
  border-radius: 11px;
  text-decoration: none;
  color: #1b498f;
  background: linear-gradient(145deg, #ffffff 0%, #eef5ff 100%);
  padding: 10px 12px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.clip-nav-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(17, 47, 101, 0.12);
}

.clip-nav-btn.disabled {
  color: #8392ab;
  pointer-events: none;
  background: #f2f5fb;
  border-color: #d8e0ed;
}

.product-hero {
  border: 1px solid #d7e1f3;
  border-radius: 14px;
  padding: 12px;
  background: linear-gradient(145deg, #fff 0%, #f6faff 100%);
  display: grid;
  gap: 10px;
}

.product-hero-info {
  display: grid;
  gap: 6px;
}

.product-hero-name {
  font-size: 1.05rem;
  font-weight: 800;
  color: #13325f;
}

.product-hero-desc {
  color: #355073;
}

.product-hero-link {
  text-decoration: none;
  font-weight: 700;
}

.product-logo-inline {
  width: 18px;
  height: 18px;
  object-fit: contain;
  vertical-align: middle;
  margin-right: 6px;
}

.product-screenshot {
  border: 1px solid #d7e2f5;
  box-shadow: 0 10px 24px rgba(22, 47, 94, 0.1);
}

.tech-tree {
  display: grid;
  gap: 10px;
}

.tech-tree-level,
.tech-tree-node {
  border: 1px solid #d3ddf0;
  border-radius: 12px;
  background: linear-gradient(150deg, #fff 0%, #f7fbff 100%);
  padding: 10px 12px;
}

.tech-tree-title {
  font-weight: 800;
  color: #173761;
}

.tech-tree-desc {
  color: #395277;
  font-size: 0.9rem;
}

.tech-tree-tool-tag {
  display: inline-flex;
  padding: 0.14rem 0.55rem;
  border-radius: 999px;
  border: 1px solid #cde0ff;
  background: #ecf4ff;
  color: #1e4f94;
  font-size: 0.75rem;
  font-weight: 700;
}

.roadmap-track {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.roadmap-card {
  position: relative;
  display: grid;
  gap: 12px;
  padding: 18px;
  border-radius: 20px;
  border: 1px solid #d5e0f2;
  background:
    radial-gradient(circle at top right, rgba(98, 145, 221, 0.16), transparent 34%),
    linear-gradient(160deg, #ffffff 0%, #f7fbff 100%);
  box-shadow: 0 12px 28px rgba(18, 47, 95, 0.08);
}

.roadmap-card::before {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  top: 0;
  height: 4px;
  border-radius: 999px;
}

.roadmap-card-chat::before {
  background: linear-gradient(90deg, #1d66d1, #6fb0ff);
}

.roadmap-card-build::before {
  background: linear-gradient(90deg, #246fc8, #84c2ff);
}

.roadmap-card-agent::before {
  background: linear-gradient(90deg, #193d73, #69a6ff);
}

.roadmap-card-head {
  display: grid;
  gap: 6px;
}

.roadmap-stage {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  border-radius: 999px;
  padding: 0.18rem 0.62rem;
  font-size: 0.74rem;
  font-weight: 800;
  color: #285488;
  background: #edf4ff;
  border: 1px solid #c8daf7;
}

.roadmap-title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 800;
  color: #15345f;
}

.roadmap-copy {
  margin: 0;
  color: #3a5277;
  font-size: 0.9rem;
  line-height: 1.65;
}

.roadmap-points {
  margin: 0;
  padding-left: 1.1rem;
  color: #324b6f;
  font-size: 0.84rem;
  line-height: 1.65;
}

.roadmap-points li {
  margin: 0 0 5px;
}

.prompt-format-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.prompt-format-card {
  display: grid;
  gap: 12px;
  padding: 18px;
  border-radius: 20px;
  border: 1px solid #d5e0f2;
  background:
    radial-gradient(circle at top right, rgba(98, 145, 221, 0.16), transparent 34%),
    linear-gradient(160deg, #ffffff 0%, #f7fbff 100%);
  box-shadow: 0 12px 28px rgba(18, 47, 95, 0.08);
}

.prompt-format-kicker {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  border-radius: 999px;
  padding: 0.18rem 0.62rem;
  font-size: 0.74rem;
  font-weight: 800;
  color: #285488;
  background: #edf4ff;
  border: 1px solid #c8daf7;
}

.prompt-format-title {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 800;
  color: #15345f;
}

.prompt-format-copy {
  margin: 0;
  color: #3a5277;
  font-size: 0.9rem;
  line-height: 1.68;
}

.prompt-format-list {
  margin: 0;
  padding-left: 1.1rem;
  color: #324b6f;
  font-size: 0.84rem;
  line-height: 1.68;
}

.prompt-code-block {
  margin: 0;
  padding: 16px;
  border-radius: 16px;
  background: #0f1727;
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #f8fbff;
  font-size: 0.82rem;
  line-height: 1.68;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.roadmap-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.roadmap-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 2px;
}

.roadmap-actions .slide-briefing-link {
  font-size: 0.84rem;
  padding: 0.6rem 0.84rem;
}

@media (max-width: 1100px) {
  .roadmap-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .prompt-format-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 760px) {
  .roadmap-track {
    grid-template-columns: minmax(0, 1fr);
  }

  .slide-preview-gallery[data-slide-deck-preview="concept-foundation-guide"].immersive-preview .slide-preview-image-frame {
    min-height: clamp(520px, 140vw, 980px);
  }
}

.md-live-editor {
  display: grid;
  gap: 10px;
}

.md-editor-pane,
.md-preview-pane {
  border: 1px solid #d3def0;
  border-radius: 12px;
  background: #fff;
  padding: 10px;
}

.md-editor-label {
  font-size: 0.86rem;
  font-weight: 800;
  color: #1b3b69;
}

.md-editor-input {
  width: 100%;
  min-height: 180px;
  resize: vertical;
  border: 1px solid #d4e0f4;
  border-radius: 10px;
  padding: 10px;
}

.md-editor-preview {
  color: #30496d;
}

.glossary-term {
  position: static;
  border-bottom: none;
  cursor: inherit;
}

.glossary-tooltip {
  display: none !important;
}

.glossary-term:hover .glossary-tooltip {
  display: none !important;
}

.task-panel {
  border-left: 1px solid #d6deee;
  background: linear-gradient(180deg, #fafcff 0%, #f2f7ff 100%);
  padding: 16px;
  overflow: auto;
}

.task-panel h3 {
  margin: 0 0 8px;
  color: #15325d;
}

.task-chapter-context {
  display: inline-flex;
  margin: 0 0 8px;
  padding: 0.2rem 0.58rem;
  border-radius: 999px;
  border: 1px solid #bdd0f1;
  background: #e9f1ff;
  color: #1e4f95;
  font-size: 0.79rem;
  font-weight: 800;
}

.task-form {
  margin-top: 12px;
  display: grid;
  gap: 10px;
}

.task-form label {
  display: grid;
  gap: 6px;
  font-size: 0.9rem;
  color: #3c5274;
}

.task-form input,
.task-form textarea {
  border: 1px solid #ced9eb;
  border-radius: 10px;
  padding: 0.58rem 0.66rem;
  background: #fff;
  color: var(--text);
}

.task-form input:focus,
.task-form textarea:focus {
  outline: none;
  border-color: #82acf2;
  box-shadow: 0 0 0 3px rgba(130, 172, 242, 0.2);
}

.task-panel.collapsed {
  display: none;
}

#notePanel:not(.collapsed) {
  display: grid;
  gap: 8px;
}

#notePanel .muted {
  font-size: 0.81rem;
}

#notePanel .note-panel-head-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

#notePanel .note-panel-head-row h3 {
  margin: 0;
}

#notePanel .note-head-actions {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

#notePanel .note-head-actions button {
  padding: 0.3rem 0.56rem;
  border-radius: 9px;
  font-size: 0.75rem;
  line-height: 1.15;
}

#notePanel .note-md-layout {
  display: grid;
  gap: 8px;
}

#notePanel .note-editor-pane,
#notePanel .note-preview-pane {
  border: 1px solid #d3deef;
  border-radius: 10px;
  background: #ffffff;
  padding: 8px;
}

#notePanel .note-pane-label {
  margin: 0 0 6px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: #2a4f83;
}

#notePanel textarea {
  width: 100%;
  min-height: 185px;
  max-height: 44vh;
  resize: vertical;
  border: 1px solid #ced9eb;
  border-radius: 8px;
  padding: 0.5rem 0.56rem;
  background: #fff;
  color: var(--text);
  font-size: 0.82rem;
  line-height: 1.45;
}

#notePanel textarea:focus {
  outline: none;
  border-color: #82acf2;
  box-shadow: 0 0 0 3px rgba(130, 172, 242, 0.2);
}

#notePanel .note-preview {
  min-height: 165px;
  max-height: 42vh;
  overflow: auto;
  border: 1px solid #dbe3f3;
  border-radius: 8px;
  background: #fbfdff;
  padding: 9px;
  color: #213a5f;
  font-size: 0.81rem;
  line-height: 1.46;
}

#notePanel .note-preview p {
  margin: 0 0 8px;
}

#notePanel .note-preview ul,
#notePanel .note-preview ol {
  margin: 0 0 8px;
  padding-left: 1.05rem;
}

#notePanel .note-preview li {
  margin: 3px 0;
}

#notePanel .note-preview h1,
#notePanel .note-preview h2,
#notePanel .note-preview h3,
#notePanel .note-preview h4 {
  margin: 0 0 6px;
  line-height: 1.35;
  color: #122a50;
}

#notePanel .note-preview code {
  background: #eef3ff;
  border: 1px solid #d8e3fb;
  border-radius: 5px;
  padding: 0 4px;
}

#noteStatus {
  font-size: 0.79rem;
}

.admin-section {
  margin-top: 18px;
  border-top: 1px solid #cfd9eb;
  padding-top: 14px;
  display: grid;
  gap: 10px;
}

.admin-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.admin-head h3 {
  margin: 0;
  color: #14325c;
}

.admin-table-wrap {
  overflow: auto;
  border: 1px solid #d0d9ec;
  border-radius: 10px;
  background: #ffffff;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.admin-table th,
.admin-table td {
  border-bottom: 1px solid #e4ebf8;
  padding: 7px 8px;
  text-align: left;
  white-space: nowrap;
}

.admin-table th {
  position: sticky;
  top: 0;
  background: #eef4ff;
  color: #153665;
  font-weight: 800;
}

@keyframes riseIn {
  0% {
    opacity: 0;
    transform: translateY(8px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes cardIn {
  0% {
    opacity: 0;
    transform: translateY(8px) scale(0.98);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 1380px) {
  .layout,
  .layout.with-task-panel,
  .layout.no-task-panel {
    grid-template-columns: 300px 1fr;
  }

  .task-panel {
    position: fixed;
    right: 0;
    top: 62px;
    width: min(430px, 100vw);
    height: calc(100vh - 62px);
    box-shadow: -10px 0 26px rgba(10, 22, 45, 0.16);
    z-index: 8;
  }
}

@media (max-width: 1040px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .layout.with-task-panel.sidebar-collapsed,
  .layout.no-task-panel.sidebar-collapsed,
  .layout.sidebar-collapsed {
    grid-template-columns: 1fr;
  }

  .sidebar {
    max-height: 38vh;
    border-right: 0;
    border-bottom: 1px solid #d6deee;
  }

  .layout.sidebar-collapsed .sidebar {
    max-height: 0;
    transform: translateY(-12px);
    border-bottom-color: transparent;
  }

  .content-area {
    padding: 16px;
    min-height: 0;
  }

  .content-head {
    flex-direction: column;
    align-items: stretch;
  }

  .content-actions {
    flex-wrap: wrap;
  }

  .topbar-status-row,
  .topbar-actions {
    justify-content: flex-start;
  }

  .content-editor-layout {
    grid-template-columns: 1fr;
  }

  .content-embed-grid {
    grid-template-columns: 1fr;
  }

  .content-editor-head {
    flex-direction: column;
  }

  .sidebar-editor-grid {
    grid-template-columns: 1fr;
  }

  .clip-nav-footer {
    grid-template-columns: 1fr;
  }

  .slides-modal {
    padding: 16px;
  }

  .slides-modal-card {
    max-height: 94vh;
    padding: 14px;
  }

  .slides-modal-head,
  .slides-modal-foot,
  .slide-sheet-top,
  .slide-sheet-foot,
  .slide-briefing-entry {
    flex-direction: column;
    align-items: stretch;
  }

  .slides-progress-dots {
    order: 3;
  }

  .slide-sheet-grid {
    grid-template-columns: 1fr;
  }

  .slide-hitbox {
    width: 18%;
  }

  .slide-preview-card-wide {
    grid-template-columns: 1fr;
  }

  .slide-preview-top {
    flex-direction: column;
  }

  .slide-preview-actions {
    justify-content: flex-start;
  }

  .slide-preview-gallery.single-slide .slide-preview-image-frame {
    min-height: 220px;
  }

  .slide-preview-gallery.has-fixed-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .asset-preview-head {
    flex-direction: column;
  }

  .style-matrix-column-guide,
  .style-matrix-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .style-codebook-grid,
  .style-codebook-example-grid,
  .style-brand-reference-grid {
    grid-template-columns: 1fr;
  }

  .style-brand-card {
    grid-template-columns: 1fr;
  }

  .style-brand-card .style-matrix-preview {
    grid-column: 1;
    grid-row: auto;
    min-height: 180px;
  }

  .slide-preview-gallery.immersive-preview .slide-preview-image-frame {
    min-height: 240px;
  }

  .slide-preview-floating-cta {
    right: 16px;
    bottom: 16px;
  }
}

@media (max-width: 680px) {
  .slide-preview-gallery.has-fixed-columns,
  .style-matrix-column-guide,
  .style-matrix-grid {
    grid-template-columns: 1fr;
  }

  .style-codebook-shell {
    padding: 16px;
  }

  .style-formula-code {
    font-size: 0.76rem;
  }

  .style-brand-mode {
    padding: 16px;
  }

  .style-brand-card-top {
    flex-wrap: wrap;
  }

  .style-brand-logo {
    width: 84px;
  }

  .content-editor-actions {
    width: 100%;
  }

  .content-editor-actions button {
    flex: 1 1 140px;
  }

  .topbar {
    padding: 10px 12px;
  }

  .topbar-brand {
    width: 100%;
  }

  .topbar h2 {
    font-size: 0.98rem;
  }

  .topbar-right {
    width: 100%;
    align-items: stretch;
  }

  .topbar-status-row,
  .topbar-actions {
    width: 100%;
  }

  .topbar-status-row {
    justify-content: space-between;
  }

  .topbar-actions {
    justify-content: flex-start;
  }

  .user-box {
    max-width: 70vw;
    overflow: hidden;
  }

  .user-box strong {
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
  }

  .clip-body {
    padding: 0;
    border-radius: 0;
  }

  .content-editor-panel {
    padding: 14px;
    border-radius: 14px;
  }

  .content-editor-pane textarea,
  .content-editor-preview {
    min-height: 320px;
  }

  .sidebar-editor-preview-head {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .sidebar-editor-preview-clip {
    flex-direction: column;
    align-items: flex-start;
  }

  .auth-actions-row {
    flex-direction: column;
  }

  .password-help-grid {
    grid-template-columns: 1fr;
  }

  .news-grid,
  .concepts-grid {
    grid-template-columns: 1fr;
  }

  .slide-sheet {
    min-height: auto;
    padding: 16px;
  }

  .slide-main-panel,
  .slide-side-panel {
    padding: 14px;
  }

  .slide-headline {
    font-size: 1.34rem;
  }

  .slide-summary,
  .slide-bullet-list li {
    font-size: 0.92rem;
  }

  .slide-hitbox {
    width: 20%;
    top: 12px;
    bottom: 12px;
  }
}