/* ============================================================
   journey.css — Journey Cards 旅行故事
   从 journey-cards 参考实现提取，CSS 类名已加 jc- 前缀
   配色适配 Chat-C 暖纸主题
   ============================================================ */

/* —— CSS 变量（带 jc- 前缀，不污染宿主） —— */
:root {
  --jc-bg: #FBF7F0;
  --jc-surface: rgba(255,255,255,0.62);
  --jc-text: #2a2723;
  --jc-text-muted: #6b6357;
  --jc-text-faint: #a89e8b;
  --jc-rule: rgba(80,60,30,0.10);
  --jc-accent: #D4957A;
  --jc-bubble-user: #E9E3D8;
  --jc-bubble-ai: #F3EFE7;
  --jc-story-bg: #14100b;
  --jc-serif: Georgia, "Times New Roman", "Songti SC", "Noto Serif CJK SC", serif;
  --jc-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --jc-sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
}
html[data-theme="dark"] {
  --jc-bg: #1E1B18;
  --jc-surface: rgba(36,36,40,0.55);
  --jc-text: #E8E6E2;
  --jc-text-muted: #A8A6A0;
  --jc-text-faint: #6E6C66;
  --jc-rule: rgba(255,255,255,0.08);
  --jc-bubble-user: #23201D;
  --jc-bubble-ai: #23201D;
}

/* —— 卡片容器（聊天流里那张） —— */
.jc-card {
  margin: 20px 0; width: 100%;
  background: linear-gradient(150deg, rgba(243,239,231,0.7), rgba(233,227,216,0.55) 48%, rgba(243,239,231,0.65));
  backdrop-filter: blur(40px) saturate(1.15) brightness(1.04);
  -webkit-backdrop-filter: blur(40px) saturate(1.15) brightness(1.04);
  border: 1px solid rgba(255,255,255,0.55);
  border-radius: 26px;
  padding: 18px 14px 14px;
  box-shadow: 0 20px 50px -22px rgba(40,45,55,0.25), inset 0 1px 0 rgba(255,255,255,0.8);
}
html[data-theme="dark"] .jc-card {
  background: linear-gradient(150deg, rgba(58,56,54,0.6), rgba(48,46,44,0.5) 48%, rgba(58,56,54,0.55));
  border-color: rgba(255,255,255,0.12);
  box-shadow: 0 20px 50px -22px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.15);
}

.jc-card-head { text-align: center; margin-bottom: 12px; }
.jc-card-kicker {
  font-family: var(--jc-mono); font-size: 9.5px; letter-spacing: 3px;
  color: var(--jc-accent); font-weight: 700;
}
.jc-card-title {
  font-family: var(--jc-serif); font-style: italic; font-weight: 600;
  font-size: 20px; margin-top: 4px; color: var(--jc-text);
}
.jc-card-sub {
  font-family: var(--jc-mono); font-size: 10px; letter-spacing: 1.5px;
  color: var(--jc-text-faint); margin-top: 5px;
}

/* 照片墙舞台 */
.jc-card-stage {
  height: 204px; display: flex; align-items: center; justify-content: center;
}
@media (hover: hover) and (pointer: fine) {
  .jc-card-stage { height: 284px; }
}

/* 一排竖条照片 */
.jc-rail {
  display: flex; align-items: center; justify-content: flex-start; gap: 8px;
  position: relative; max-width: 100%;
  overflow-x: auto; overflow-y: hidden; scrollbar-width: none;
  padding: 4px;
}
.jc-rail > .jc-rail-item:first-child { margin-left: auto; }
.jc-rail > .jc-rail-item:last-child  { margin-right: auto; }
.jc-rail::-webkit-scrollbar { display: none; }
.jc-rail.is-magnetic { overflow: visible; }

.jc-rail-item {
  flex: none; padding: 0; border: none; cursor: pointer;
  width: 44px; height: 188px;
  border-radius: 11px; overflow: hidden; position: relative;
  background-size: cover; background-position: center;
  box-shadow: 0 6px 16px -8px rgba(30,20,5,0.5), inset 0 0 0 1px rgba(255,255,255,0.06);
  z-index: 1;
  will-change: width, height;
}
.jc-rail-item::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, transparent 55%, rgba(20,14,5,0.55));
  opacity: 0.85;
}
.jc-rail-item-label {
  position: absolute; left: 0; right: 0; bottom: 9px; z-index: 2;
  text-align: center; color: #fff; opacity: 0;
  font-family: var(--jc-serif); font-style: italic; font-weight: 600;
  font-size: 13px; text-shadow: 0 1px 4px rgba(0,0,0,0.5);
  pointer-events: none; white-space: nowrap;
}

.jc-card-hint {
  text-align: center; margin-top: 8px;
  font-family: var(--jc-serif); font-style: italic;
  font-size: 12px; color: var(--jc-text-muted);
}

/* ══════════════════════════════════════════════════════════════
   全屏故事浮层
   ══════════════════════════════════════════════════════════════ */
.jc-story-overlay {
  position: fixed; inset: 0; z-index: 120;
  background: var(--jc-story-bg);
  animation: jcFadeIn .3s ease;
}
@keyframes jcFadeIn { from { opacity: 0; } }

.jc-story {
  position: relative; width: 100%; height: 100%;
  background: var(--jc-story-bg); overflow: hidden;
  display: flex; flex-direction: column;
  user-select: none; -webkit-user-select: none; touch-action: pan-y;
}

@media (min-width: 760px) and (min-height: 560px) {
  .jc-story-overlay { display: grid; place-items: center; background: #0b0908; }
  .jc-story {
    width: min(430px, 92vw); height: min(880px, 92vh);
    border-radius: 28px; box-shadow: 0 40px 90px -30px rgba(0,0,0,0.8);
  }
}

/* 顶部关闭按钮 */
.jc-story-top {
  position: absolute; top: 0; left: 0; right: 0; z-index: 10;
  padding: calc(16px + env(safe-area-inset-top, 0px)) 12px 10px;
  display: flex; align-items: center;
  background: linear-gradient(rgba(0,0,0,0.5), transparent);
}
.jc-story-close {
  width: 36px; height: 36px; border: none; border-radius: 50%;
  background: transparent; color: #fff; cursor: pointer;
  font-size: 26px; line-height: 1; display: grid; place-items: center;
  filter: drop-shadow(0 1px 4px rgba(0,0,0,0.6));
}

/* 照片 + Ken Burns */
.jc-story-photo { position: relative; flex: 1; overflow: hidden; }
.jc-story-photo-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  transform-origin: 58% 42%;
  animation: jcKen 20s ease-in-out infinite alternate;
}
@keyframes jcKen { 0% { transform: scale(1.04); } 100% { transform: scale(1.16); } }
@media (prefers-reduced-motion: reduce) { .jc-story-photo-bg { animation: none; } }

/* 压暗层 */
.jc-story-centerscrim {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    radial-gradient(120% 80% at 50% 45%, rgba(8,5,3,0.28), rgba(8,5,3,0.62) 78%),
    linear-gradient(rgba(8,5,3,0.5), transparent 30%, transparent 62%, rgba(8,5,3,0.75));
}

/* 顶部地名 */
.jc-story-cap {
  position: absolute; top: calc(64px + env(safe-area-inset-top, 0px)); left: 0; right: 0; z-index: 3;
  display: flex; flex-direction: column; align-items: center; gap: 5px;
  pointer-events: none; text-align: center; padding: 0 20px;
}
.jc-story-cap-en {
  font-family: var(--jc-mono); font-size: 10px; letter-spacing: 3px;
  text-transform: uppercase; color: rgba(255,255,255,0.72);
}
.jc-story-cap-place {
  border: none; background: transparent; padding: 0; cursor: pointer; pointer-events: auto;
  font-family: var(--jc-serif); font-style: italic; font-weight: 700;
  font-size: 22px; color: #fff; text-shadow: 0 1px 10px rgba(0,0,0,0.6);
}
.jc-replay-hint {
  font-size: 14px; font-style: normal; color: var(--jc-accent);
  opacity: 0.85; margin-left: 8px;
}
.jc-story-cap-date {
  font-family: var(--jc-mono); font-size: 10.5px; letter-spacing: 1.5px;
  color: rgba(255,255,255,0.6);
}

/* 正中念白 */
.jc-story-narr {
  position: absolute; inset: 0; z-index: 3;
  display: flex; align-items: center; justify-content: center;
  padding: 0 34px; pointer-events: none;
}
.jc-story-narr-line {
  margin: 0; max-width: 100%;
  font-family: var(--jc-serif); font-style: italic; font-weight: 500;
  font-size: 21px; line-height: 2; letter-spacing: 0.3px;
  color: #fff; text-align: center;
  text-shadow: 0 2px 16px rgba(0,0,0,0.7), 0 1px 3px rgba(0,0,0,0.5);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.jc-story-narr-line.out { opacity: 0; transform: translateY(-8px); }
.jc-story-narr-cursor {
  display: inline-block; margin-left: 2px; font-style: normal;
  color: var(--jc-accent); animation: jcBlink 1s steps(1) infinite;
}
@keyframes jcBlink { 0%,50% { opacity: 1; } 50.01%,100% { opacity: 0; } }

/* 落定后的左下角段落 */
.jc-story-settled {
  position: absolute; left: 0; right: 0; z-index: 3;
  bottom: calc(152px + env(safe-area-inset-bottom, 0px));
  padding: 0 24px; pointer-events: auto;
  animation: jcFadeIn 0.6s ease;
}
.jc-story-settled-note {
  margin: 0; max-width: 72%; text-align: left;
  font-family: var(--jc-serif); font-style: italic; font-weight: 500;
  font-size: 12.5px; line-height: 1.7; letter-spacing: 0.2px;
  color: rgba(255,255,255,0.9);
  text-shadow: 0 1px 2px rgba(0,0,0,.9), 0 0 5px rgba(0,0,0,.45);
  overflow: hidden;
  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 4;
}
.jc-story-settled-note.expanded {
  display: block; -webkit-line-clamp: unset;
  max-height: 42vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  scrollbar-width: none;
}
.jc-story-settled-note.expanded::-webkit-scrollbar { display: none; }
.jc-story-settled-more {
  display: inline-block; margin-top: 6px;
  font-family: var(--jc-sans); font-size: 11px; letter-spacing: 1px;
  color: rgba(255,255,255,0.55);
  background: none; border: none; padding: 0; cursor: pointer;
}

/* 底部播放器 */
.jc-story-foot {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 4;
  padding: 0 22px calc(30px + env(safe-area-inset-bottom, 0px));
  background: linear-gradient(transparent, rgba(8,5,3,0.6));
}
.jc-story-player {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border-radius: 16px;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.14);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.jc-story-player-play {
  flex: none; width: 40px; height: 40px; border: none; border-radius: 50%;
  display: grid; place-items: center; cursor: pointer; color: #fff;
  background: var(--jc-accent);
  box-shadow: 0 4px 12px -4px rgba(0,0,0,0.4);
}
.jc-story-player-play.is-loading { animation: jcPulse 1.1s ease-in-out infinite; }
@keyframes jcPulse { 0%,100% { opacity: 1; } 50% { opacity: 0.45; } }
.jc-story-player-body { flex: 1; min-width: 0; }
.jc-story-player-meta { display: flex; align-items: baseline; gap: 8px; }
.jc-story-player-title {
  font-family: var(--jc-serif); font-weight: 600; font-size: 14px; color: #fff;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.jc-story-player-artist {
  font-family: var(--jc-mono); font-size: 10px; color: rgba(255,255,255,0.75);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.jc-story-eq { display: inline-flex; gap: 2px; align-items: flex-end; height: 11px; margin-left: auto; }
.jc-story-eq i {
  width: 2.5px; background: var(--jc-accent); border-radius: 1px;
  animation: jcEq 0.9s ease-in-out infinite;
}
.jc-story-eq i:nth-child(1) { height: 5px;  animation-delay: -0.2s; }
.jc-story-eq i:nth-child(2) { height: 10px; animation-delay: -0.5s; }
.jc-story-eq i:nth-child(3) { height: 7px; }
@keyframes jcEq { 0%,100% { transform: scaleY(0.4); } 50% { transform: scaleY(1); } }
.jc-story-player-track {
  height: 3px; border-radius: 2px; margin: 8px 0 5px;
  background: rgba(255,255,255,0.10); cursor: pointer;
  position: relative; touch-action: none;
}
.jc-story-player-track::before {
  content: ""; position: absolute; left: 0; right: 0; top: -11px; bottom: -11px;
}
.jc-story-player-fill {
  height: 100%; width: 100%; border-radius: 2px;
  background: rgba(255,255,255,0.7);
  transform-origin: left; transform: scaleX(0);
  transition: transform 0.25s linear; will-change: transform;
}
.jc-story-player-track.dragging .jc-story-player-fill { transition: none; }
.jc-story-player-times {
  display: flex; justify-content: space-between;
  font-family: var(--jc-mono); font-size: 9px; color: rgba(255,255,255,0.8);
}

/* 底部圆点 */
.jc-story-dots {
  position: absolute; bottom: calc(12px + env(safe-area-inset-bottom, 0px)); left: 0; right: 0; z-index: 12;
  display: flex; gap: 7px; justify-content: center;
}
.jc-story-dots span {
  width: 6px; height: 6px; border-radius: 50%;
  background: rgba(255,255,255,0.4); cursor: pointer; transition: all 0.2s;
}
.jc-story-dots span.on { width: 20px; border-radius: 3px; background: var(--jc-accent); }