:root {
  --bg: #f5efe2;
  --bg-deep: #e3d3b7;
  --ink: #1d2c2f;
  --ink-soft: #526366;
  --line: rgba(29, 44, 47, 0.12);
  --panel: rgba(255, 252, 245, 0.86);
  --accent: #0f766e;
  --accent-strong: #0b4f4a;
  --warm: #c66a3d;
  --shadow: 0 22px 55px rgba(43, 57, 59, 0.12);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Noto Sans TC", sans-serif;
  background:
    radial-gradient(circle at top right, rgba(15, 118, 110, 0.18), transparent 28%),
    radial-gradient(circle at left 20%, rgba(198, 106, 61, 0.16), transparent 24%),
    linear-gradient(180deg, #fcf8ef 0%, #f2eadc 45%, #eadfcf 100%);
}

.page-shell {
  width: min(1320px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

.hero {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1.5rem;
  padding: 2rem;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 8px);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.78), rgba(255, 248, 238, 0.85)),
    linear-gradient(120deg, rgba(15, 118, 110, 0.09), rgba(198, 106, 61, 0.1));
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.84rem;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Fraunces", serif;
  line-height: 1.05;
}

h1 {
  font-size: clamp(2.3rem, 5vw, 4rem);
  max-width: 10ch;
}

.hero-text {
  max-width: 58ch;
  margin-top: 1rem;
  color: var(--ink-soft);
  line-height: 1.8;
}

.hero-grid {
  display: grid;
  gap: 1rem;
  align-content: end;
}

.metric-card,
.summary-card {
  padding: 1rem 1.1rem;
  border-radius: 18px;
  border: 1px solid rgba(15, 118, 110, 0.15);
  background: rgba(255, 255, 255, 0.72);
}

.metric-label,
.summary-label {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.layout {
  display: grid;
  grid-template-columns: 1.18fr 0.82fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.sidebar-stack {
  display: grid;
  gap: 1.5rem;
  align-content: start;
}

.panel,
.result-hero,
.summary-block,
.chapter-card,
.status-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
}

.panel {
  padding: 1.5rem;
}

.panel-head p {
  margin: 0.5rem 0 0;
  color: var(--ink-soft);
}

.generator-form {
  display: grid;
  gap: 1rem;
  margin-top: 1.25rem;
}

.field {
  display: grid;
  gap: 0.45rem;
}

.field span {
  font-weight: 700;
  font-size: 0.96rem;
}

select,
input[type="password"] {
  width: 100%;
  padding: 0.95rem 1rem;
  border: 1px solid rgba(29, 44, 47, 0.16);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.8);
  color: var(--ink);
  font: inherit;
}

select:focus,
input[type="password"]:focus {
  outline: 2px solid rgba(15, 118, 110, 0.25);
  border-color: rgba(15, 118, 110, 0.45);
}

.field-help {
  color: var(--ink-soft);
  line-height: 1.5;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink-soft);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.primary-button {
  border: 0;
  border-radius: 999px;
  padding: 1rem 1.4rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: white;
  font: 700 1rem "Space Grotesk", sans-serif;
  cursor: pointer;
  transition: transform 180ms ease, opacity 180ms ease;
}

.primary-button:hover:not(:disabled) {
  transform: translateY(-2px);
}

.primary-button:disabled {
  cursor: wait;
  opacity: 0.72;
}

.note-list {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

.server-key-banner {
  margin-top: 1.25rem;
  padding: 1rem;
  border-radius: 16px;
  background: rgba(15, 118, 110, 0.09);
  color: var(--accent-strong);
}

.history-empty {
  margin-top: 1rem;
  color: var(--ink-soft);
}

.history-list {
  display: grid;
  gap: 0.8rem;
  margin-top: 1rem;
}

.history-item {
  display: grid;
  gap: 0.35rem;
  width: 100%;
  text-align: left;
  padding: 0.95rem 1rem;
  border: 1px solid rgba(29, 44, 47, 0.12);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.78);
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease;
}

.history-item:hover,
.history-item.is-active {
  transform: translateY(-2px);
  border-color: rgba(15, 118, 110, 0.35);
}

.history-item span,
.history-item small {
  color: var(--ink-soft);
}

.status-panel {
  margin-top: 1.5rem;
  padding: 1.5rem;
}

.status-top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
}

.progress-track {
  margin-top: 1rem;
  width: 100%;
  height: 14px;
  border-radius: 999px;
  background: rgba(29, 44, 47, 0.08);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--warm));
  transition: width 280ms ease;
}

.status-message {
  margin: 1rem 0 0;
  font-size: 1.02rem;
}

.status-subtext {
  margin-top: 0.55rem;
  color: var(--ink-soft);
  line-height: 1.7;
}

.partial-chapters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 0.8rem;
  margin-top: 1rem;
}

.partial-chapter-card {
  display: grid;
  gap: 0.25rem;
  padding: 0.85rem 0.95rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(29, 44, 47, 0.08);
}

.partial-chapter-card span,
.partial-chapter-card small {
  color: var(--ink-soft);
}

.result-panel {
  margin-top: 1.75rem;
  display: grid;
  gap: 1.25rem;
}

.result-hero,
.summary-block,
.chapter-card {
  padding: 1.5rem;
}

.result-hero {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.result-hook {
  margin: 0.85rem 0 0;
  color: var(--ink-soft);
  max-width: 52ch;
}

.result-meta,
.spotlight-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.pill,
.spotlight-chip {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
  background: rgba(15, 118, 110, 0.09);
  color: var(--accent-strong);
  font-size: 0.92rem;
}

.result-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.summary-block h3 {
  margin-top: 1rem;
  font-size: 1.2rem;
}

.summary-block h3:first-child {
  margin-top: 0;
}

.summary-block p,
.chapter-summary,
.chapter-focus,
.chapter-story p {
  line-height: 1.82;
}

.cast-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 0.85rem;
}

.cast-card {
  display: grid;
  gap: 0.3rem;
  padding: 0.9rem 1rem;
  border-radius: 16px;
  border: 1px solid rgba(29, 44, 47, 0.08);
  background: rgba(255, 255, 255, 0.72);
}

.cast-card span {
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.chapters {
  display: grid;
  gap: 1rem;
}

.chapter-card {
  animation: rise 360ms ease both;
}

.chapter-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
}

.chapter-index {
  margin: 0 0 0.55rem;
  color: var(--warm);
  font-family: "Space Grotesk", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.84rem;
}

.chapter-stats {
  display: grid;
  gap: 0.45rem;
  justify-items: end;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.chapter-summary {
  margin: 1rem 0 0.6rem;
  color: var(--ink-soft);
}

.spotlight-label,
.story-label {
  margin: 0.9rem 0 0.6rem;
  color: var(--accent-strong);
  font-weight: 700;
}

.chapter-story {
  margin-top: 1rem;
}

.word-bank {
  margin-top: 1rem;
  border-top: 1px solid var(--line);
  padding-top: 1rem;
}

.word-bank summary {
  cursor: pointer;
  color: var(--accent-strong);
  font-weight: 700;
}

.word-bank-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 0.7rem;
  margin-top: 1rem;
}

.word-chip {
  display: grid;
  gap: 0.3rem;
  padding: 0.85rem 0.95rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(29, 44, 47, 0.08);
}

.word-chip strong {
  font-size: 0.98rem;
}

.word-chip p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.55;
}

.word-chip span {
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.hidden {
  display: none;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1024px) {
  .hero,
  .layout,
  .result-summary-grid {
    grid-template-columns: 1fr;
  }

  .cast-grid {
    grid-template-columns: 1fr;
  }

  .result-hero,
  .chapter-head,
  .status-top {
    flex-direction: column;
  }

  .chapter-stats {
    justify-items: start;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 1rem, 1320px);
    padding-top: 1rem;
  }

  .hero,
  .panel,
  .status-panel,
  .result-hero,
  .summary-block,
  .chapter-card {
    padding: 1.1rem;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .partial-chapters,
  .word-bank-grid {
    grid-template-columns: 1fr;
  }
}