:root{
  --bg:#f2ebe3;
  --bg-deep:#e8dfd4;
  --paper:#fffdf9;
  --paper-elevated:#ffffff;
  --ink:#1a1714;
  --ink-soft:#3d3832;
  --muted:#7a7268;
  --line:#d5cbc0;
  --soft:#ebe3d9;
  --accent:#252320;
  --accent-warm:#6b5344;
  --accent-glow:rgba(107,83,68,.12);
  --radius:28px;
  --radius-sm:20px;
  --shadow:0 24px 64px rgba(45,36,28,.09);
  --shadow-sm:0 10px 32px rgba(45,36,28,.06);
  --font-display:"Noto Serif SC","Songti SC","STSong","SimSun",serif;
  --font-body:-apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --leading-tight:1.2;
  --leading-body:1.75;
  --leading-relaxed:1.85;
}
*{box-sizing:border-box}
html{
  scroll-behavior:smooth;
  font-size:16px;
}
body{
  margin:0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%,rgba(255,252,247,.98),transparent),
    radial-gradient(circle at 92% 12%,rgba(220,205,190,.35),transparent 28rem),
    radial-gradient(circle at 4% 88%,rgba(235,225,215,.5),transparent 24rem),
    linear-gradient(180deg,var(--bg) 0%,#f6f1ea 40%,var(--bg-deep) 100%);
  background-attachment:fixed;
  color:var(--ink);
  font-family:var(--font-body);
  font-size:15px;
  line-height:var(--leading-body);
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
button,input,textarea{font:inherit}
button{cursor:pointer;border:0;background:none}
.page-shell{
  width:min(980px,100%);
  margin:0 auto;
  padding:28px 22px 88px;
}

/* ── Hero ── */
.hero{
  background:
    linear-gradient(145deg,rgba(255,253,249,.94) 0%,rgba(255,250,244,.88) 100%);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border:1px solid rgba(213,203,192,.8);
  border-radius:40px;
  padding:40px 38px 32px;
  box-shadow:var(--shadow);
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 100% 0%,var(--accent-glow),transparent 45%),
    linear-gradient(180deg,rgba(255,255,255,.5) 0%,transparent 35%);
  pointer-events:none;
}
.hero::after{
  content:"";
  position:absolute;
  top:24px;
  right:32px;
  width:120px;
  height:120px;
  border:1px solid rgba(213,203,192,.35);
  border-radius:50%;
  opacity:.45;
  pointer-events:none;
}
.hero-top{
  display:flex;
  justify-content:space-between;
  gap:32px;
  align-items:flex-start;
  position:relative;
  z-index:1;
}
.hero-copy{min-width:0;flex:1}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-body);
  font-size:11px;
  letter-spacing:.28em;
  font-weight:600;
  color:var(--accent-warm);
  text-transform:uppercase;
}
.eyebrow::before{
  content:"";
  width:24px;
  height:1px;
  background:linear-gradient(90deg,var(--accent-warm),transparent);
  opacity:.6;
}

.hero-title{
  display:flex;
  flex-direction:column;
  gap:.22em;
  margin:20px 0 22px;
  padding:0;
  font-family:var(--font-display);
  font-weight:600;
  letter-spacing:.02em;
}
.hero-title-line{
  display:block;
  font-size:clamp(2.25rem,6.5vw,3.75rem);
  line-height:var(--leading-tight);
  font-weight:600;
  color:var(--ink);
}
.hero-title-accent{
  font-size:clamp(1.65rem,4.5vw,2.35rem);
  line-height:1.35;
  font-weight:500;
  color:var(--accent-warm);
  letter-spacing:.12em;
  margin-top:.12em;
}
.hero-lead{
  margin:0;
  max-width:32em;
  color:var(--muted);
  font-size:1.0625rem;
  line-height:var(--leading-relaxed);
  letter-spacing:.03em;
}
.hero-meta{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  align-items:center;
  margin-top:32px;
  padding-top:26px;
  border-top:1px solid rgba(213,203,192,.55);
  position:relative;
  z-index:1;
}
.meta-chip{
  border:1px solid var(--line);
  border-radius:999px;
  padding:9px 16px;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--ink-soft);
  background:rgba(255,253,249,.75);
}
.sync-chip{
  margin-left:auto;
  font-size:11px;
  letter-spacing:.08em;
  color:var(--muted);
  background:transparent;
}

/* ── Admin toolbar ── */
.hero-actions{
  display:flex;
  flex-direction:column;
  gap:8px;
  flex-shrink:0;
  padding-top:8px;
  position:relative;
  z-index:1;
}
.ghost-btn{
  border:1px solid var(--line);
  background:var(--paper-elevated);
  border-radius:999px;
  padding:10px 18px;
  font-size:12px;
  font-weight:600;
  color:var(--muted);
  white-space:nowrap;
  box-shadow:var(--shadow-sm);
  transition:color .2s,border-color .2s,transform .2s,box-shadow .2s;
}
.ghost-btn:hover{
  color:var(--ink);
  border-color:#b8afa3;
  transform:translateY(-1px);
  box-shadow:0 12px 28px rgba(45,36,28,.08);
}

/* ── Main section ── */
.main-content{margin-top:8px}
.section-head{
  padding:36px 4px 8px;
  text-align:left;
}
.section-eyebrow{
  display:block;
  font-size:10px;
  letter-spacing:.32em;
  font-weight:600;
  color:#a3988c;
  margin-bottom:8px;
}
.section-title{
  margin:0;
  font-family:var(--font-display);
  font-size:clamp(1.5rem,3vw,1.875rem);
  font-weight:600;
  letter-spacing:.04em;
  line-height:1.3;
  color:var(--ink);
}

/* ── Filters ── */
.filters{
  display:flex;
  gap:10px;
  overflow:auto;
  padding:20px 2px 14px;
  scrollbar-width:none;
}
.filters::-webkit-scrollbar{display:none}
.filter{
  border:1px solid var(--line);
  background:rgba(255,253,249,.65);
  border-radius:999px;
  padding:11px 18px;
  white-space:nowrap;
  color:var(--muted);
  font-size:13px;
  font-weight:550;
  letter-spacing:.04em;
  transition:background .2s,color .2s,border-color .2s,box-shadow .2s;
}
.filter:hover{
  border-color:#c4b8ab;
  color:var(--ink-soft);
  background:var(--paper);
}
.filter.active{
  background:var(--accent);
  color:#faf8f5;
  border-color:var(--accent);
  box-shadow:0 6px 20px rgba(37,35,32,.2);
}

/* ── Timeline ── */
.timeline{
  display:grid;
  gap:20px;
  margin-top:20px;
  position:relative;
}
.day-card{
  display:grid;
  grid-template-columns:108px 1fr;
  background:var(--paper);
  border:1px solid rgba(213,203,192,.75);
  border-radius:var(--radius);
  padding:28px 28px 28px 0;
  box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s;
  position:relative;
  overflow:hidden;
}
.day-card::before{
  content:"";
  position:absolute;
  left:0;
  top:20px;
  bottom:20px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:linear-gradient(180deg,var(--accent-warm),rgba(107,83,68,.25));
  opacity:.85;
}
.day-card:hover{
  transform:translateY(-3px);
  box-shadow:0 20px 48px rgba(45,36,28,.1);
  border-color:rgba(196,184,171,.9);
}
.day-date{
  padding:4px 24px 4px 28px;
  border-right:1px solid var(--soft);
  text-align:center;
}
.day-date .month{
  font-size:11px;
  color:var(--muted);
  letter-spacing:.16em;
  font-weight:600;
}
.day-date .day{
  font-family:var(--font-display);
  font-size:3rem;
  line-height:1.05;
  font-weight:600;
  letter-spacing:-.02em;
  margin-top:8px;
  color:var(--ink);
}
.day-date .weekday{
  font-size:10px;
  color:var(--muted);
  margin-top:12px;
  letter-spacing:.14em;
  font-weight:500;
}
.day-content{
  padding:4px 28px 4px 28px;
  min-width:0;
}
.day-head{
  display:flex;
  justify-content:space-between;
  gap:20px;
  align-items:flex-start;
}
.day-title-wrap{min-width:0}
.day-head h2{
  font-family:var(--font-display);
  font-size:1.375rem;
  margin:0 0 10px;
  letter-spacing:.03em;
  line-height:1.45;
  font-weight:600;
  color:var(--ink);
}
.city{
  font-size:12px;
  color:var(--muted);
  letter-spacing:.08em;
  line-height:1.5;
}
.summary{
  font-size:14px;
  color:var(--ink-soft);
  line-height:var(--leading-relaxed);
  margin:18px 0 22px;
  letter-spacing:.02em;
}
.info-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px;
}
.info-btn{
  text-align:left;
  border:1px solid var(--soft);
  background:linear-gradient(180deg,#fcfaf6,#f7f2eb);
  padding:15px 16px;
  border-radius:var(--radius-sm);
  transition:background .2s,border-color .2s,transform .15s;
}
.info-btn:hover{
  background:#faf6ef;
  border-color:#d4cbc0;
  transform:translateY(-1px);
}
.info-btn small{
  display:block;
  color:#9a9188;
  margin-bottom:6px;
  font-size:10px;
  letter-spacing:.1em;
  text-transform:uppercase;
  font-weight:600;
}
.info-btn strong{
  font-size:13px;
  font-weight:600;
  line-height:1.55;
  display:block;
  color:var(--ink-soft);
}
.status{
  font-size:11px;
  border:1px solid var(--line);
  border-radius:999px;
  padding:7px 12px;
  height:max-content;
  color:var(--muted);
  white-space:nowrap;
  background:rgba(255,253,249,.9);
  letter-spacing:.04em;
  flex-shrink:0;
}

footer{
  text-align:center;
  color:#9a9188;
  font-size:11px;
  letter-spacing:.24em;
  margin-top:48px;
  padding:16px 0;
  line-height:1.6;
}

/* ── Dialogs ── */
.dialog{
  border:0;
  background:transparent;
  padding:0;
  width:min(720px,calc(100% - 22px));
  max-height:92vh;
}
.dialog::backdrop{
  background:rgba(24,20,17,.45);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.dialog-card{
  position:relative;
  background:var(--paper);
  border-radius:28px;
  border:1px solid rgba(217,208,196,.9);
  padding:28px;
  box-shadow:0 35px 90px rgba(0,0,0,.22);
  max-height:90vh;
  overflow:auto;
}
.dialog-close{
  position:absolute;
  right:16px;
  top:14px;
  border:0;
  background:transparent;
  font-size:28px;
  color:#787069;
  line-height:1;
  z-index:2;
}
.detail-title{
  font-family:var(--font-display);
  font-size:1.75rem;
  margin:8px 44px 8px 0;
  letter-spacing:.02em;
  line-height:1.35;
}
.detail-sub{
  color:var(--muted);
  margin:0 0 22px;
  line-height:1.65;
}
.person-card{border-top:1px solid var(--soft);padding:18px 0}
.person-card:first-of-type{border-top:0}
.person-name{font-weight:700;margin-bottom:8px;line-height:1.4}
.person-lines{color:#5f5953;font-size:13px;line-height:1.8}

/* ── Page settings drawer ── */
.drawer-dialog{
  width:min(440px,100vw);
  max-width:100vw;
  max-height:100vh;
  height:100vh;
  margin:0 0 0 auto;
  padding:0;
  inset:0 0 0 auto;
}
.drawer-dialog .dialog-card{
  border-radius:28px 0 0 28px;
  max-height:100vh;
  height:100%;
  display:flex;
  flex-direction:column;
  padding:0;
  overflow:hidden;
  border-right:0;
}
.settings-header{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:16px;
  padding:28px 26px 18px;
  border-bottom:1px solid var(--soft);
  flex-shrink:0;
}
.settings-header h2{
  margin:6px 0 0;
  font-family:var(--font-display);
  font-size:1.625rem;
  letter-spacing:.02em;
  line-height:1.3;
}
.settings-sub{margin:10px 0 0;font-size:13px;color:var(--muted);line-height:1.6}
.settings-body{
  flex:1;
  overflow:auto;
  padding:20px 26px 12px;
  -webkit-overflow-scrolling:touch;
}
.settings-divider{
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:#9a9188;
  margin:8px 0 16px;
  padding-top:8px;
  border-top:1px solid var(--soft);
}
.settings-footer{
  display:flex;
  gap:10px;
  padding:16px 20px calc(16px + env(safe-area-inset-bottom));
  border-top:1px solid var(--soft);
  background:rgba(255,253,249,.95);
  backdrop-filter:blur(12px);
  flex-shrink:0;
}
.settings-footer .secondary-btn,
.settings-footer .primary-btn{flex:1;padding:13px 16px;border-radius:14px}

/* ── Trip editor ── */
.admin-panel{padding-top:30px}
.admin-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.admin-heading h2{
  margin:5px 0 0;
  font-family:var(--font-display);
  font-size:1.875rem;
  line-height:1.3;
}
.pill{
  border:1px solid var(--line);
  border-radius:999px;
  padding:7px 11px;
  font-size:12px;
  color:var(--muted);
}
label{display:grid;gap:8px;font-size:12px;color:var(--muted);margin-bottom:14px;line-height:1.4}
input,textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:13px;
  background:white;
  padding:12px 14px;
  color:var(--ink);
  outline:none;
  line-height:1.5;
}
textarea{resize:vertical;min-height:80px;line-height:1.6}
input:focus,textarea:focus{border-color:#80766c;box-shadow:0 0 0 3px rgba(128,118,108,.12)}
.primary-btn,.secondary-btn,.danger-btn{
  border:0;
  border-radius:13px;
  padding:12px 16px;
  font-weight:650;
}
.primary-btn{background:var(--accent);color:white}
.primary-btn:hover{background:#3d3b38}
.secondary-btn{background:#eee7de;color:var(--ink)}
.secondary-btn:hover{background:#e5ddd3}
.danger-btn{background:#f3e6e3;color:#8a3b31}
.editor-day{
  border:1px solid var(--soft);
  border-radius:18px;
  padding:18px;
  margin-bottom:12px;
  background:rgba(250,247,242,.5);
}
.editor-day h3{margin:0 0 14px;font-size:16px;line-height:1.4}
.transport-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:8px;
  padding:11px 0;
  border-top:1px solid var(--soft);
}
.transport-row:first-of-type{border-top:0}
.transport-actions{display:flex;gap:7px;grid-column:1/-1}
.admin-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:4px}
.muted{color:var(--muted);font-size:12px;line-height:1.5}

/* ── 管理模式开关 ── */
.mode-bar{
  position:fixed;
  right:18px;
  bottom:calc(18px + env(safe-area-inset-bottom));
  z-index:40;
  opacity:.55;
  transition:opacity .2s,transform .2s;
}
.mode-bar:hover,.mode-bar.active{opacity:1}
.mode-switch{
  display:flex;
  align-items:center;
  gap:10px;
  cursor:pointer;
  background:rgba(255,253,249,.92);
  backdrop-filter:blur(14px);
  border:1px solid rgba(217,208,196,.85);
  border-radius:999px;
  padding:8px 14px 8px 10px;
  box-shadow:0 8px 28px rgba(55,45,33,.12);
  user-select:none;
}
.mode-switch input{position:absolute;opacity:0;width:0;height:0}
.mode-track{
  width:36px;
  height:22px;
  background:#ddd6cc;
  border-radius:999px;
  position:relative;
  transition:background .2s;
  flex-shrink:0;
}
.mode-thumb{
  position:absolute;
  top:3px;
  left:3px;
  width:16px;
  height:16px;
  background:white;
  border-radius:50%;
  box-shadow:0 1px 4px rgba(0,0,0,.15);
  transition:transform .2s;
}
.mode-switch input:checked + .mode-track{background:var(--accent)}
.mode-switch input:checked + .mode-track .mode-thumb{transform:translateX(14px)}
.mode-label{font-size:12px;font-weight:650;color:var(--muted);letter-spacing:.02em}
.mode-bar.active .mode-label{color:var(--ink)}

/* ── 直接编辑 ── */
body:not(.admin-mode) .editable-field{cursor:default}
body.admin-mode .editable-field{
  cursor:text;
  border-radius:8px;
  transition:background .15s,box-shadow .15s;
}
body.admin-mode .editable-field:hover{
  background:rgba(235,228,220,.35);
}
body.admin-mode .editable-field.inline-editing,
body.admin-mode .editable-field:focus{
  outline:none;
  background:rgba(255,253,249,.95);
  box-shadow:0 0 0 2px rgba(128,118,108,.25);
  padding:2px 6px;
  margin:-2px -6px;
}

@media (max-width:720px){
  .drawer-dialog{
    width:100%;
    margin:0;
    max-height:100%;
  }
  .drawer-dialog .dialog-card{
    border-radius:24px 24px 0 0;
    max-height:92vh;
    height:auto;
  }
  .hero-top{flex-direction:column;gap:22px}
  .hero-actions{
    flex-direction:row;
    width:100%;
    padding-top:0;
  }
  .ghost-btn{flex:1;text-align:center}
  .sync-chip{margin-left:0}
  .hero::after{display:none}
}

@media (max-width:620px){
  .page-shell{padding:14px 14px 88px}
  .hero{
    padding:28px 22px 24px;
    border-radius:32px;
  }
  .hero-title{gap:.18em;margin:18px 0 20px}
  .hero-title-line{font-size:clamp(1.875rem,9vw,2.5rem);line-height:1.25}
  .hero-title-accent{font-size:clamp(1.25rem,5.5vw,1.65rem);line-height:1.4}
  .hero-lead{font-size:1rem;line-height:1.8}
  .section-head{padding:28px 2px 6px}
  .day-card{
    grid-template-columns:76px 1fr;
    padding:20px 16px 20px 0;
    border-radius:24px;
  }
  .day-card::before{top:16px;bottom:16px}
  .day-date{padding:2px 14px 2px 20px}
  .day-date .day{font-size:2.25rem}
  .day-content{padding:2px 16px 2px 18px}
  .info-grid{grid-template-columns:1fr}
  .day-head h2{font-size:1.125rem;line-height:1.5}
  .summary{line-height:1.8;margin:14px 0 18px}
  .dialog-card{padding:22px 16px;border-radius:24px}
  .settings-header{padding:22px 18px 14px}
  .settings-body{padding:16px 18px 8px}
  .settings-footer{padding:14px 16px calc(14px + env(safe-area-inset-bottom))}
  .transport-row{grid-template-columns:1fr}
  .mode-bar{right:12px;bottom:calc(12px + env(safe-area-inset-bottom))}
}