/* ─── Our Story · 暖调肤色 + 手写体标题 ───────────────── */

:root {
  --bg:        #F5EFE6;
  --bg-2:      #FAF3E0;
  --bg-deep:   #E8DDCB;
  --ink:       #3A2E22;
  --ink-soft:  #6B5A48;
  --accent:    #D4A574;   /* 主色 · 赭 */
  --accent-2:  #C97A57;   /* 点缀 · 砖红 */
  --accent-3:  #A65A3A;
  --card:      #FFFCF6;
  --shadow:    0 12px 40px -16px rgba(58, 46, 34, 0.25);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Source Han Serif SC", "Noto Serif SC", "STSong", "宋体", serif;
  font-feature-settings: "palt";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.login-body, body.story-body { min-height: 100dvh; }

.display {
  font-family: "Ma Shan Zheng", "Long Cang", "冷梅體", "LengMeiTi",
               "STKaiti", "KaiTi", "Playfair Display", cursive, serif;
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.15;
  color: var(--ink);
}

.kicker {
  font-family: "Playfair Display", serif;
  font-style: italic;
  font-size: 0.95rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 1.2rem;
}

/* ─── Login ─────────────────────────────────────────── */

body.login-body {
  display: grid;
  place-items: center;
  background:
    radial-gradient(ellipse at 20% 10%, #FAF3E0 0%, transparent 50%),
    radial-gradient(ellipse at 80% 90%, #ECDFC9 0%, transparent 55%),
    var(--bg);
  padding: 2rem;
}

.login-card {
  background: var(--card);
  border: 1px solid rgba(212, 165, 116, 0.25);
  border-radius: 22px;
  padding: 3.2rem 2.8rem;
  width: min(420px, 92vw);
  box-shadow: var(--shadow);
  text-align: center;
}

.login-card .display {
  font-size: clamp(3rem, 8vw, 4.4rem);
  color: var(--accent-3);
  margin-bottom: 0.6rem;
}

.login-card .lede {
  color: var(--ink-soft);
  font-size: 1rem;
  margin-bottom: 2rem;
}

.login-card form {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  text-align: left;
}

.pwd-label {
  font-family: "Ma Shan Zheng", "STKaiti", cursive;
  font-size: 1.1rem;
  color: var(--accent-2);
}

.login-card input[type="password"] {
  border: none;
  border-bottom: 1.5px solid var(--accent);
  background: transparent;
  padding: 0.6rem 0.2rem;
  font-size: 1.05rem;
  font-family: inherit;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s;
}

.login-card input[type="password"]:focus {
  border-bottom-color: var(--accent-3);
}

.login-card input[type="password"]::placeholder {
  color: rgba(107, 90, 72, 0.5);
}

.login-card button {
  margin-top: 0.6rem;
  background: var(--accent-2);
  color: #FFFCF6;
  border: none;
  border-radius: 999px;
  padding: 0.85rem 1.4rem;
  font-size: 1.02rem;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: transform 0.15s, background 0.2s, box-shadow 0.2s;
  font-family: inherit;
}

.login-card button:hover {
  background: var(--accent-3);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px -10px rgba(166, 90, 58, 0.55);
}

.login-card .error {
  color: var(--accent-3);
  font-size: 0.92rem;
  margin-top: 0.4rem;
}

.login-card .footnote {
  margin-top: 1.6rem;
  font-size: 0.82rem;
  color: var(--ink-soft);
  opacity: 0.75;
}

/* ─── Story (scroll-snap) ───────────────────────────── */

body.story-body {
  scroll-snap-type: y mandatory;
  overflow-y: scroll;
  height: 100dvh;
  background:
    radial-gradient(circle at 50% 0%, #FAF3E0 0%, transparent 60%),
    var(--bg);
}

#story-root { display: block; }

.chapter {
  scroll-snap-align: start;
  scroll-snap-stop: always;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 6rem 1.5rem 4rem;
  position: relative;
}

.chapter .frame {
  width: min(640px, 92vw);
  text-align: center;
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1.1s ease, transform 1.1s ease;
}

.chapter.in-view .frame {
  opacity: 1;
  transform: none;
}

/* Cover */
.chapter--cover {
  background:
    radial-gradient(ellipse at 30% 30%, #FAF3E0 0%, transparent 55%),
    radial-gradient(ellipse at 70% 80%, #ECDFC9 0%, transparent 55%),
    var(--bg);
}
.chapter--cover .display {
  font-size: clamp(5rem, 18vw, 11rem);
  color: var(--accent-3);
  letter-spacing: 0.04em;
}
.chapter--cover .sub {
  margin-top: 1.2rem;
  font-size: 1.15rem;
  color: var(--ink-soft);
  letter-spacing: 0.1em;
}
.chapter--cover .hint {
  margin-top: 4rem;
  font-size: 0.9rem;
  color: var(--accent-2);
  letter-spacing: 0.4em;
  animation: bob 2.4s ease-in-out infinite;
}

@keyframes bob {
  0%, 100% { transform: translateY(0); opacity: 0.65; }
  50%      { transform: translateY(6px); opacity: 1; }
}

/* Act title page */
.chapter--act {
  background:
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}
.chapter--act .kicker { color: var(--accent); }
.chapter--act .act-title {
  font-size: clamp(3.5rem, 10vw, 6rem);
  color: var(--accent-3);
}
.chapter--act .sub {
  font-size: 1rem;
  letter-spacing: 0.22em;
  color: var(--ink-soft);
  margin-top: 1rem;
}
.chapter--act .tone {
  margin-top: 2rem;
  font-style: italic;
  color: var(--ink-soft);
  font-size: 1.1rem;
}

/* Chapter (each node) */
.chapter--node .icon {
  font-size: 2.4rem;
  margin-bottom: 0.6rem;
  filter: saturate(0.92);
}

.chapter--node .title {
  font-size: clamp(2.6rem, 7vw, 4.4rem);
  color: var(--accent-3);
  margin-bottom: 0.6rem;
}

.chapter--node .date {
  font-family: "Playfair Display", serif;
  font-size: 1rem;
  letter-spacing: 0.25em;
  color: var(--accent-2);
  margin-bottom: 0.4rem;
}

.chapter--node .subtitle {
  font-size: 1rem;
  color: var(--ink-soft);
  letter-spacing: 0.08em;
  margin-bottom: 1.8rem;
}

.chapter--node .extras {
  display: flex;
  justify-content: center;
  gap: 0.7rem;
  flex-wrap: wrap;
  margin-bottom: 1.6rem;
}

.chapter--node .extras .pill {
  background: var(--card);
  border: 1px solid rgba(212, 165, 116, 0.35);
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
}
.chapter--node .extras .pill .pill-icon { margin-right: 0.4rem; }

.chapter--node .narration {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 2.1;
  color: var(--ink);
  white-space: pre-line;
  max-width: 32em;
  margin: 0 auto;
}

.chapter--node .sns-strip {
  margin-top: 2rem;
  display: flex;
  gap: 0.6rem;
  justify-content: center;
  flex-wrap: wrap;
}

.chapter--node .sns-strip img {
  width: 88px;
  height: 88px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.chapter--node .progress-hint {
  margin-top: 2.4rem;
  font-size: 0.82rem;
  letter-spacing: 0.2em;
  color: var(--accent);
}

/* Outro */
.chapter--outro {
  background:
    radial-gradient(ellipse at 50% 50%, #FAF3E0 0%, var(--bg) 70%);
}
.chapter--outro .display {
  font-size: clamp(4rem, 14vw, 8rem);
  color: var(--accent-3);
}
.chapter--outro .sub {
  margin-top: 1rem;
  color: var(--ink-soft);
  letter-spacing: 0.2em;
}
.chapter--outro .signoff {
  margin-top: 3rem;
  font-family: "Ma Shan Zheng", "STKaiti", cursive;
  font-size: 1.4rem;
  color: var(--accent-2);
}

/* Audio control · 右下角 */
.audio-control {
  position: fixed;
  right: 1.2rem;
  bottom: 1.2rem;
  z-index: 100;
}
.audio-control button {
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(212, 165, 116, 0.5);
  background: rgba(255, 252, 246, 0.85);
  color: var(--accent-3);
  font-size: 1.3rem;
  cursor: pointer;
  backdrop-filter: blur(6px);
  box-shadow: var(--shadow);
  transition: transform 0.15s, background 0.2s;
}
.audio-control button:hover { transform: scale(1.06); }
.audio-control.playing button { animation: pulse 1.8s ease-in-out infinite; }

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(212, 165, 116, 0.0), var(--shadow); }
  50%      { box-shadow: 0 0 0 10px rgba(212, 165, 116, 0.18), var(--shadow); }
}

/* Progress bar · 顶部 */
#progress-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: rgba(212, 165, 116, 0.15);
  z-index: 50;
}
#progress-fill {
  height: 100%;
  width: 0;
  background: var(--accent-2);
  transition: width 0.18s ease-out;
}

/* ─── Marquee · 2026 朋友圈流动字幕 ───────────────────── */

.chapter--marquee {
  background:
    radial-gradient(ellipse at 50% 30%, #FAF3E0 0%, transparent 60%),
    var(--bg);
  overflow: hidden;
  padding: 4rem 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chapter--marquee .marquee-frame {
  width: 100%;
  text-align: center;
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1.2s ease, transform 1.2s ease;
}

.chapter--marquee.in-view .marquee-frame {
  opacity: 1;
  transform: none;
}

.chapter--marquee .kicker {
  font-size: 1rem;
}

.marquee-title {
  font-family: "Ma Shan Zheng", "Long Cang", "STKaiti", "KaiTi", cursive, serif;
  font-weight: 400;
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--accent-3);
  margin-bottom: 2.4rem;
  letter-spacing: 0.04em;
}

.marquee-rows {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  width: 100%;
}

.marquee-row {
  width: 100%;
  overflow: hidden;
  position: relative;
  mask-image: linear-gradient(to right, transparent 0, #000 6%, #000 94%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 6%, #000 94%, transparent 100%);
}

.marquee-track {
  display: flex;
  width: max-content;
  gap: 3.2rem;
  animation: marquee-scroll var(--duration, 80s) linear infinite;
  will-change: transform;
}

.marquee-row.reverse .marquee-track {
  animation-direction: reverse;
}

.marquee-item {
  white-space: nowrap;
  font-size: 1.02rem;
  display: inline-flex;
  align-items: baseline;
  gap: 0.6em;
}

.marquee-item .m-date {
  font-family: "Playfair Display", serif;
  font-style: italic;
  font-size: 0.88em;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.marquee-item .m-text {
  color: var(--ink);
  font-weight: 400;
}

.marquee-item.who-her .m-text {
  color: var(--accent-2);
  font-style: italic;
}

.marquee-legend {
  margin-top: 2.4rem;
  font-size: 0.85rem;
  color: var(--ink-soft);
  letter-spacing: 0.08em;
}

.marquee-legend .legend-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin: 0 0.4em 0 1.2em;
  vertical-align: middle;
}

.marquee-legend .legend-dot.who-me  { background: var(--ink); }
.marquee-legend .legend-dot.who-her { background: var(--accent-2); }

@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
}