:root {
  --bg: #fbf5ff;
  --bg-soft: rgba(255, 250, 255, 0.88);
  --panel: rgba(255, 251, 255, 0.82);
  --line: rgba(178, 143, 203, 0.22);
  --line-strong: rgba(178, 143, 203, 0.44);
  --text: #553d67;
  --muted: #7d6a8f;
  --accent: #b88cf4;
  --accent-2: #d8b3ff;
  --accent-3: #fff2d8;
  --danger: #d97d9b;
  --shadow: 0 24px 54px rgba(186, 162, 204, 0.22);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--text);
  min-height: 100vh;
  font-family: "Noto Sans TC", sans-serif;
  background:
    radial-gradient(circle at 14% 12%, rgba(232, 211, 255, 0.9), transparent 24%),
    radial-gradient(circle at 84% 14%, rgba(255, 242, 216, 0.85), transparent 24%),
    linear-gradient(180deg, #fffdf8 0%, #f9efff 52%, #f6ecff 100%);
  overflow-x: hidden;
}

.aurora {
  position: fixed;
  inset: -18%;
  background:
    radial-gradient(circle at 20% 36%, rgba(216, 179, 255, 0.34), transparent 24%),
    radial-gradient(circle at 70% 20%, rgba(255, 241, 215, 0.36), transparent 22%),
    radial-gradient(circle at 46% 84%, rgba(251, 220, 243, 0.24), transparent 20%);
  filter: blur(52px);
  animation: floatAura 18s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes floatAura {
  from { transform: translate3d(-2%, -1%, 0) scale(1); }
  to { transform: translate3d(3%, 2%, 0) scale(1.06); }
}

.sparkles {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.star {
  position: absolute;
  border-radius: 999px;
  background: rgba(188, 156, 214, 0.72);
  box-shadow: 0 0 10px rgba(235, 211, 255, 0.92);
  animation: twinkle linear infinite;
}

@keyframes twinkle {
  0%, 100% { opacity: 0.12; transform: scale(0.6); }
  50% { opacity: 0.88; transform: scale(1.18); }
}

a { color: inherit; text-decoration: none; }
button, textarea { font: inherit; }

.page-shell {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0 72px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.brand-pill,
.top-link,
.quick-chip,
.ghost-btn,
.mini-copy-btn {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.brand-pill,
.top-link {
  border-radius: 999px;
  padding: 12px 18px;
  color: var(--muted);
  font-size: 14px;
}

.nav-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.panel {
  border-radius: 32px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 252, 255, 0.82), rgba(249, 241, 255, 0.92));
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.hero {
  padding: 30px;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) 320px;
  gap: 24px;
}

.eyebrow,
.section-kicker,
.note-label {
  margin: 0 0 12px;
  color: var(--muted);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.76rem;
}

h1, h2, h3 { margin: 0; }

h1 {
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(3rem, 7vw, 5rem);
  line-height: 0.96;
  letter-spacing: 0.02em;
}

h1 span {
  display: block;
  margin-top: 14px;
  font-family: "Noto Sans TC", sans-serif;
  font-size: clamp(1rem, 2vw, 1.22rem);
  color: var(--muted);
  letter-spacing: 0.32em;
  text-transform: uppercase;
}

.lead {
  margin: 22px 0 0;
  max-width: 720px;
  color: var(--muted);
  line-height: 1.85;
}

.hero-note {
  padding: 22px;
  border-radius: 26px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 248, 255, 0.86), rgba(255, 245, 230, 0.8));
}

.note-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.9;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.22fr) 340px;
  gap: 24px;
  margin-top: 24px;
}

.input-panel,
.side-panel,
.result-panel {
  padding: 28px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.section-head h2 {
  font-size: 1.5rem;
}

.section-note,
.info-stack p,
.message,
.result-logline,
.result-card p,
.segment-copy,
.segment-meta,
.segment-line {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.prompt-label {
  display: block;
  margin-bottom: 12px;
  font-weight: 700;
}

textarea {
  width: 100%;
  min-height: 138px;
  resize: vertical;
  padding: 16px 18px;
  border-radius: 24px;
  border: 1px solid rgba(178, 143, 203, 0.24);
  background: rgba(255, 255, 255, 0.78);
  color: var(--text);
  outline: none;
}

textarea:focus {
  border-color: rgba(178, 143, 203, 0.44);
  box-shadow: 0 0 0 4px rgba(209, 181, 242, 0.18);
}

textarea::placeholder {
  color: #ac95bb;
}

.input-meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-size: 0.94rem;
  margin-top: 10px;
  flex-wrap: wrap;
}

.quick-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.quick-chip,
.ghost-btn,
.generate-btn,
.mini-copy-btn {
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.quick-chip,
.ghost-btn,
.mini-copy-btn {
  border-radius: 999px;
  padding: 10px 14px;
  color: var(--text);
  cursor: pointer;
}

.quick-chip:hover,
.ghost-btn:hover {
  transform: translateY(-1px);
  border-color: var(--line-strong);
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 18px;
  align-items: center;
  margin-top: 24px;
}

.generate-btn {
  border: 0;
  border-radius: 999px;
  padding: 16px 24px;
  color: #5f4474;
  font-weight: 800;
  letter-spacing: 0.04em;
  background: linear-gradient(135deg, #ead1ff, #fff0da);
  box-shadow: 0 18px 36px rgba(188, 156, 214, 0.26);
}

.generate-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 40px rgba(188, 156, 214, 0.34);
}

.generate-btn:disabled {
  opacity: 0.7;
  cursor: wait;
}

.loading-text { color: #8c77a2; }

.message {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 18px;
}

.message.error {
  color: #a54f6a;
  border: 1px solid rgba(217, 125, 155, 0.28);
  background: rgba(255, 238, 243, 0.9);
}

.message.info {
  color: #7b6790;
  border: 1px solid rgba(178, 143, 203, 0.2);
  background: rgba(255, 255, 255, 0.75);
}

.info-stack {
  display: grid;
  gap: 16px;
}

.info-stack article {
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.info-stack article:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.info-stack h3 {
  margin-bottom: 8px;
  font-size: 1rem;
}

.result-panel {
  margin-top: 24px;
}

.result-head {
  align-items: center;
}

.result-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.result-logline {
  margin-bottom: 18px;
  color: #654f77;
}

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

.result-card,
.segment-item {
  padding: 20px;
  border-radius: 24px;
  border: 1px solid rgba(178, 143, 203, 0.18);
  background: rgba(255, 255, 255, 0.66);
}

.result-card h3 {
  margin-bottom: 10px;
  font-size: 1rem;
}

.result-card-wide {
  grid-column: 1 / -1;
}

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

.bullet-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.8;
}

.segment-list {
  margin-top: 18px;
  display: grid;
  gap: 14px;
}

.segment-top {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 16px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.segment-top h3 {
  font-size: 1.04rem;
}

.segment-title-wrap {
  display: grid;
  gap: 6px;
}

.segment-copy {
  color: var(--text);
  margin-top: 6px;
}

.segment-line {
  margin-top: 8px;
}

.prompt-block {
  margin: 0;
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid rgba(178, 143, 203, 0.18);
  background: rgba(250, 244, 255, 0.9);
  color: #624b75;
  line-height: 1.75;
  font-size: 0.96rem;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.mini-copy-btn {
  padding: 9px 14px;
  font-size: 0.88rem;
  white-space: nowrap;
}

.mini-copy-btn:hover {
  transform: translateY(-1px);
  border-color: var(--line-strong);
}

@media (max-width: 920px) {
  .hero,
  .workspace,
  .result-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(100vw - 20px, 1180px);
    padding: 20px 0 48px;
  }

  .panel {
    border-radius: 26px;
  }

  .hero,
  .input-panel,
  .side-panel,
  .result-panel {
    padding: 22px 18px;
  }

  .segment-top,
  .card-head {
    align-items: start;
  }
}