:root {
  --bg: #0b1219;
  --bg-soft: #161f2b;
  --bg-panel: rgba(18, 26, 36, 0.94);
  --line: rgba(148, 163, 184, 0.18);
  --text: #eff4fa;
  --muted: #9ca9ba;
  --cyan: #2ad6ff;
  --cyan-2: #4f90ff;
  --green: #49d598;
  --amber: #f4c35d;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.24);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Noto Sans TC", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(42, 214, 255, 0.13), transparent 24%),
    radial-gradient(circle at top right, rgba(79, 144, 255, 0.12), transparent 22%),
    linear-gradient(180deg, #111923 0%, #091019 100%);
}

.flash-stack {
  position: fixed;
  top: 18px;
  right: 18px;
  z-index: 1000;
  display: grid;
  gap: 10px;
}

.flash {
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(15, 24, 34, 0.94);
  min-width: 280px;
  box-shadow: var(--shadow);
}

.flash--success {
  border-color: rgba(73, 213, 152, 0.45);
}

.flash--error {
  border-color: rgba(255, 107, 107, 0.45);
}

a {
  color: inherit;
  text-decoration: none;
}

.marketing-shell,
.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
}

.marketing-sidebar,
.app-sidebar {
  padding: 24px;
  background: linear-gradient(180deg, rgba(28, 36, 48, 0.96), rgba(18, 25, 34, 0.98));
  border-right: 1px solid var(--line);
}

.marketing-main,
.app-main {
  padding: 28px;
}

.brand-card,
.side-card,
.hero-card,
.panel-card,
.profile-card,
.hero-panel,
.metric-card,
.content-card {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.brand-card,
.profile-card,
.hero-card,
.hero-panel,
.content-card,
.panel-card,
.metric-card,
.side-card {
  padding: 24px;
}

.pill,
.status-chip,
.mini-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(42, 214, 255, 0.15);
  color: var(--cyan);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.mini-tag {
  padding: 6px 10px;
  font-size: 0.75rem;
}

.brand-card h1,
.profile-card h1 {
  margin: 12px 0 8px;
  font-size: 2rem;
}

.marketing-main h2,
.app-main h2 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 4vw, 3.9rem);
  line-height: 1.04;
}

p,
span,
li,
em {
  color: var(--muted);
}

.side-stack,
.nav-group,
.panel-grid,
.cards-grid,
.stats-grid,
.action-row,
.timeline,
.table-list,
.key-value-list,
.feature-list,
.ordered-list {
  display: grid;
  gap: 16px;
}

.nav-group {
  margin-top: 28px;
}

.nav-link,
.logout-link {
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(15, 24, 34, 0.86);
  font-size: 1.08rem;
  font-weight: 700;
}

.nav-link.active {
  background: linear-gradient(135deg, rgba(42, 214, 255, 0.2), rgba(79, 144, 255, 0.16));
}

.logout-link {
  margin-top: 18px;
  width: fit-content;
}

.action-row {
  grid-template-columns: repeat(2, minmax(0, max-content));
  align-items: center;
  margin: 24px 0;
}

.button,
.mini-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 160px;
  padding: 14px 18px;
  border-radius: 16px;
  border: 1px solid transparent;
  font-weight: 800;
}

.button.primary,
.mini-button {
  background: linear-gradient(135deg, var(--cyan), var(--cyan-2));
  color: #0a1018;
}

.button.ghost {
  border-color: var(--line);
}

.stats-grid,
.cards-grid--metrics {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.stats-grid {
  margin-top: 16px;
}

.panel-grid,
.cards-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 18px;
}

.stat-card span,
.metric-card span {
  display: block;
  margin-bottom: 10px;
}

.stat-card strong,
.metric-card strong {
  display: block;
  font-size: 1.8rem;
  color: var(--text);
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.feature-list,
.ordered-list {
  margin: 0;
  padding-left: 20px;
}

.feature-list li,
.ordered-list li {
  line-height: 1.7;
}

.stack-form {
  display: grid;
  gap: 14px;
}

.form-field {
  display: grid;
  gap: 8px;
}

.form-field span {
  color: var(--text);
  font-weight: 600;
}

.form-field input,
.form-field select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  outline: none;
}

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.checkbox-row input {
  margin-top: 3px;
}

.reveal-box {
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--cyan);
  font-family: Consolas, "Courier New", monospace;
  font-size: 1rem;
}

.key-value-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.key-value-list div,
.timeline-row,
.table-row {
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
}

.key-value-list span,
.timeline-row span,
.table-row span {
  display: block;
  margin-bottom: 8px;
  font-size: 0.9rem;
}

.key-value-list strong,
.timeline-row strong,
.table-row strong {
  color: var(--text);
  font-size: 1.04rem;
}

.timeline-row,
.table-row {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr) 100px;
  align-items: center;
  gap: 14px;
}

.table-row--acl {
  grid-template-columns: 1.4fr .5fr .5fr .6fr;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--amber);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.profile-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  font-size: 1.4rem;
}

@media (max-width: 1080px) {
  .marketing-shell,
  .app-shell {
    grid-template-columns: 1fr;
  }

  .marketing-sidebar,
  .app-sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .stats-grid,
  .cards-grid,
  .cards-grid--metrics,
  .panel-grid,
  .key-value-list,
  .timeline-row,
  .table-row,
  .table-row--acl {
    grid-template-columns: 1fr;
  }

  .action-row {
    grid-template-columns: 1fr;
  }
}