:root{
  --bg:#f4f5f7; --card:#fff; --text:#111827; --muted:#6b7280; --line:#e5e7eb;
  --accent:#111827; --accent2:#e8eef9; --green:#e8f5ec; --amber:#fff4d6; --red:#fdeaea;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}
button,a{font:inherit}
.app-shell{max-width:760px;margin:0 auto;min-height:100vh;padding-bottom:84px}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:18px 18px 10px;position:sticky;top:0;background:rgba(244,245,247,.95);backdrop-filter:blur(10px);z-index:5}
.topbar small{display:block;color:var(--muted);font-weight:700;letter-spacing:.08em}
.topbar h1{margin:2px 0 0;font-size:1.75rem}
.pill,.tag{display:inline-flex;align-items:center;border-radius:999px;padding:6px 10px;font-size:.78rem;font-weight:700;background:#e5e7eb}
.content{padding:8px 14px 24px}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:16px;margin:10px 0}
.hero{padding:18px}
.hero h2{margin:4px 0 6px;font-size:1.35rem}
.hero p{margin:0;color:var(--muted)}
.row{display:flex;gap:10px;align-items:center;justify-content:space-between}
.stack{display:flex;flex-direction:column;gap:8px}
.meta{color:var(--muted);font-size:.92rem}
.timeline{display:flex;flex-direction:column;gap:10px;margin-top:12px}
.stop{display:grid;grid-template-columns:64px 1fr;gap:10px;padding:10px 0;border-top:1px solid var(--line)}
.stop:first-child{border-top:0}
.stop-time{font-weight:800}
.stop-title{font-weight:750}
.stop-note{color:var(--muted);font-size:.9rem;margin-top:2px}
.actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.btn{border:0;border-radius:12px;padding:11px 13px;background:var(--accent);color:#fff;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;min-height:44px;font-weight:700}
.btn.secondary{background:#eef0f3;color:var(--text)}
.btn.ghost{background:#fff;color:var(--text);border:1px solid var(--line)}
.day-card{cursor:pointer}
.day-card h3{margin:0 0 4px}
.day-card .summary{color:var(--muted);margin:0}
.flexible{background:var(--amber)}
.fixed{background:var(--green)}
.optional{background:#eef3ff}
.warning{background:var(--red)}
.section-title{margin:20px 4px 6px;font-size:1rem}
.doc-item{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:13px 0;border-top:1px solid var(--line)}
.doc-item:first-child{border-top:0}
.doc-item a{color:inherit;text-decoration:none;font-weight:700}
.empty{color:var(--muted);padding:12px 0}
.mode-switch{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:10px 0}
.mode-switch button{border:1px solid var(--line);border-radius:10px;background:#fff;padding:10px 6px;min-height:42px}
.mode-switch button.active{background:var(--accent);color:white;border-color:var(--accent)}
.bottom-nav{position:fixed;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(5,1fr);gap:4px;background:rgba(255,255,255,.97);border-top:1px solid var(--line);padding:7px max(8px,env(safe-area-inset-right)) calc(7px + env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left));z-index:10}
.nav-btn{border:0;background:transparent;color:var(--muted);font-size:.73rem;font-weight:700;min-height:48px;border-radius:10px}
.nav-btn.active{background:#eef0f3;color:var(--text)}
.kv{display:grid;grid-template-columns:120px 1fr;gap:8px;padding:8px 0;border-top:1px solid var(--line)}
.kv:first-child{border-top:0}.kv b{font-size:.92rem}.kv span{color:var(--muted)}
@media(min-width:700px){.content{padding:14px 20px 28px}.topbar{padding-left:22px;padding-right:22px}.bottom-nav{max-width:760px;margin:auto;border-left:1px solid var(--line);border-right:1px solid var(--line)}}