:root {
  --bg:#f6f7f9; --surface:#fff; --surface-2:#f0f2f5; --border:#e3e6ea; --text:#1b2430; --muted:#6b7683;
  --accent:#2f6df6; --accent-contrast:#fff; --danger:#c0392b; --shadow:0 1px 3px rgba(20,30,45,.08),0 6px 20px rgba(20,30,45,.06); --radius:14px;
}
:root[data-theme="dark"] {
  --bg:#0f1319; --surface:#171c24; --surface-2:#1f262f; --border:#2a323d; --text:#e7ecf2; --muted:#97a2b0;
  --accent:#5b8bff; --accent-contrast:#0f1319; --danger:#ff6b5e; --shadow:0 1px 3px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.35);
}
* { box-sizing:border-box; }
[hidden] { display:none !important; }
html,body { margin:0; padding:0; }
body { background:var(--bg); color:var(--text); font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif; -webkit-font-smoothing:antialiased; }
.muted { color:var(--muted); }
a { color:var(--accent); }

.app-header { position:sticky; top:0; z-index:5; display:flex; align-items:center; justify-content:space-between; padding:12px 20px; background:color-mix(in srgb,var(--surface) 88%,transparent); backdrop-filter:saturate(1.2) blur(8px); border-bottom:1px solid var(--border); }
.brand { display:flex; align-items:center; gap:9px; font-weight:650; letter-spacing:-.01em; }
.brand-mark { font-size:18px; }
.header-actions { display:flex; align-items:center; gap:10px; }
.whoami { color:var(--muted); font-size:13px; max-width:40vw; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.icon-btn { width:34px; height:34px; border-radius:9px; border:1px solid var(--border); background:var(--surface); color:var(--text); cursor:pointer; font-size:15px; line-height:1; }
.icon-btn:hover { background:var(--surface-2); }
.text-btn { border:none; background:none; color:var(--muted); cursor:pointer; font-size:14px; padding:6px 4px; }
.text-btn:hover { color:var(--text); }

#main { max-width:1160px; margin:0 auto; padding:22px 20px 60px; }

/* Login */
.login-view { min-height:66vh; display:grid; place-items:center; }
.login-card { width:100%; max-width:380px; background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); box-shadow:var(--shadow); padding:26px; display:flex; flex-direction:column; gap:8px; }
.login-card h1 { margin:0 0 2px; font-size:22px; }
.login-card p { margin:0 0 10px; font-size:13px; }
.login-card label { font-size:13px; font-weight:600; margin-top:6px; }
.login-card input { padding:10px 12px; border-radius:10px; border:1px solid var(--border); background:var(--surface-2); color:var(--text); font-size:15px; }
.login-card input:focus { outline:2px solid var(--accent); outline-offset:1px; }
.primary-btn { margin-top:14px; padding:11px 14px; border:none; border-radius:10px; background:var(--accent); color:var(--accent-contrast); font-weight:650; font-size:15px; cursor:pointer; }
.primary-btn:disabled { opacity:.6; cursor:default; }
.error { color:var(--danger); font-size:13px; margin-top:6px; }
.notice { background:color-mix(in srgb,var(--danger) 14%,var(--surface)); color:var(--danger); border:1px solid color-mix(in srgb,var(--danger) 30%,var(--border)); border-radius:10px; padding:10px 12px; margin-bottom:14px; font-size:14px; }

/* Sticky top region: stats + toolbar stay visible while scrolling trips */
.dash-sticky { position:sticky; top:var(--header-h,56px); z-index:4; background:var(--bg); padding:12px 0 12px; margin-bottom:8px; border-bottom:1px solid var(--border); }

/* Stats */
.stats { display:grid; grid-template-columns:repeat(5,1fr); gap:10px; margin-bottom:12px; }
.stat { background:var(--surface); border:1px solid var(--border); border-radius:12px; padding:11px 14px; box-shadow:var(--shadow); }
.stat-num { font-size:21px; font-weight:750; letter-spacing:-.02em; }
.stat-label { font-size:11.5px; color:var(--muted); margin-top:2px; text-transform:uppercase; letter-spacing:.04em; }
.stat-sub { font-size:11.5px; color:var(--accent); margin-top:3px; font-weight:600; }
@media (max-width:820px){ .stats { grid-template-columns:repeat(3,1fr); } }
@media (max-width:480px){ .stats { grid-template-columns:repeat(2,1fr); } }

/* Budget */
.budget-row { display:flex; justify-content:space-between; padding:6px 0; border-top:1px solid var(--border); font-size:14px; }
.budget-row:first-of-type { border-top:none; }
.budget-cat { color:var(--muted); }
.budget-amt { font-weight:600; }

/* Editing forms */
.form-overlay { position:fixed; inset:0; z-index:50; display:grid; place-items:center; padding:18px; background:rgba(10,15,22,.55); backdrop-filter:blur(2px); }
.form-panel { width:100%; max-width:400px; background:var(--surface); border:1px solid var(--border); border-radius:14px; box-shadow:var(--shadow); padding:20px; }
.form-title { margin:0 0 14px; font-size:18px; }
.form-field { display:flex; flex-direction:column; gap:4px; margin-bottom:11px; }
.form-label { font-size:12.5px; font-weight:600; color:var(--muted); }
.form-input { padding:9px 11px; border-radius:9px; border:1px solid var(--border); background:var(--surface-2); color:var(--text); font-size:14.5px; font-family:inherit; }
.form-input:focus { outline:2px solid var(--accent); outline-offset:1px; }
textarea.form-input { resize:vertical; }
.form-err { color:var(--danger); font-size:13px; margin:4px 0 8px; }
.form-btns { display:flex; justify-content:flex-end; gap:8px; margin-top:8px; }
.primary-btn.small { margin-top:0; padding:9px 16px; font-size:14px; }
.linkchip.danger { color:var(--danger); border-color:color-mix(in srgb,var(--danger) 35%,var(--border)); }

/* Toolbar */
.dash-toolbar { display:flex; align-items:center; gap:10px; margin-bottom:0; flex-wrap:wrap; }
.search { flex:1; min-width:180px; max-width:360px; padding:10px 14px; border-radius:11px; border:1px solid var(--border); background:var(--surface); color:var(--text); font-size:15px; }
.search:focus { outline:2px solid var(--accent); outline-offset:1px; }
.filters { display:flex; gap:8px; }
.chip { border:1px solid var(--border); background:var(--surface); color:var(--muted); border-radius:999px; padding:7px 14px; font-size:13.5px; font-weight:600; cursor:pointer; }
.chip.active { background:var(--accent); color:var(--accent-contrast); border-color:transparent; }
.year-jump { padding:9px 12px; border-radius:11px; border:1px solid var(--border); background:var(--surface); color:var(--text); font-size:14px; cursor:pointer; }
.loading,.empty { color:var(--muted); padding:40px 0; text-align:center; }
.empty.small { padding:16px 0; }

/* Cards */
.group-title { font-size:15px; font-weight:700; margin:26px 0 12px; color:var(--muted); text-transform:uppercase; letter-spacing:.04em; }
.group-title:first-child { margin-top:4px; }
.card-list { display:flex; flex-direction:column; gap:18px; max-width:600px; margin:0 auto; }
.year-head { font-size:13px; font-weight:800; color:var(--accent); letter-spacing:.02em; margin:14px 2px 2px; padding-top:6px; scroll-margin-top:var(--sticky-h,200px); }
.group-title { scroll-margin-top:var(--sticky-h,200px); }
.card { position:relative; border:1px solid var(--border); border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); cursor:pointer; transition:transform .12s ease,box-shadow .12s ease; }
.card:hover { transform:translateY(-2px); box-shadow:0 10px 34px rgba(20,30,45,.20); }
.card-cover { height:230px; background-size:cover; background-position:center; position:relative; display:flex; align-items:flex-end; }
.card-cover::after { content:""; position:absolute; inset:0; background:linear-gradient(to top,rgba(0,0,0,.74) 0%,rgba(0,0,0,.25) 44%,rgba(0,0,0,0) 70%); }
.cd-badge { position:absolute; top:10px; left:10px; z-index:1; background:rgba(0,0,0,.6); color:#fff; font-size:12px; font-weight:600; padding:4px 10px; border-radius:999px; backdrop-filter:blur(3px); }
.card-body { position:relative; z-index:1; padding:16px 18px; width:100%; }
.card-name { font-weight:700; font-size:20px; letter-spacing:-.01em; color:#fff; text-shadow:0 1px 4px rgba(0,0,0,.45); }
.card-dates { color:rgba(255,255,255,.92); font-size:14px; margin-top:4px; text-shadow:0 1px 4px rgba(0,0,0,.45); }

/* Overlay + detail */
.overlay { position:fixed; inset:0; z-index:20; display:grid; place-items:center; padding:20px; }
.overlay-backdrop { position:absolute; inset:0; background:rgba(10,15,22,.55); backdrop-filter:blur(2px); }
.detail-panel { position:relative; width:100%; max-width:720px; max-height:90vh; overflow:auto; background:var(--surface); border:1px solid var(--border); border-radius:16px; box-shadow:var(--shadow); }
.overlay-close { position:absolute; top:12px; right:12px; z-index:2; }
.detail-cover { height:320px; background-size:cover; background-position:center; }

/* Back to top */
.to-top { position:fixed; right:20px; bottom:22px; width:44px; height:44px; border-radius:50%; border:1px solid var(--border); background:var(--surface); color:var(--text); font-size:20px; cursor:pointer; box-shadow:var(--shadow); z-index:30; opacity:0; pointer-events:none; transform:translateY(10px); transition:opacity .2s,transform .2s; }
.to-top.show { opacity:1; pointer-events:auto; transform:none; }
.to-top:hover { background:var(--surface-2); }
.detail-inner { padding:20px 22px 28px; }
.detail-titlerow { display:flex; align-items:center; gap:12px; flex-wrap:wrap; }
.detail-inner h2 { margin:0; font-size:23px; }
.cd-pill { background:color-mix(in srgb,var(--accent) 16%,var(--surface)); color:var(--accent); font-size:12.5px; font-weight:700; padding:3px 10px; border-radius:999px; }
.detail-meta { color:var(--muted); font-size:14px; margin:5px 0 14px; }
.detail-actions { display:flex; gap:8px; flex-wrap:wrap; margin-bottom:14px; }
.mini-btn { border:1px solid var(--border); background:var(--surface-2); color:var(--text); border-radius:9px; padding:7px 12px; font-size:13px; font-weight:600; cursor:pointer; }
.mini-btn:hover { background:var(--surface); }
.detail-desc { margin:0 0 16px; white-space:pre-wrap; }
.travelers { display:flex; align-items:center; gap:8px; flex-wrap:wrap; margin-bottom:14px; }
.travelers:empty { display:none; }
.travelers-label { font-size:11.5px; text-transform:uppercase; letter-spacing:.04em; color:var(--muted); font-weight:700; }
.traveler { display:inline-flex; align-items:center; gap:6px; background:var(--surface-2); border:1px solid var(--border); border-radius:999px; padding:3px 10px 3px 4px; font-size:13px; }
.traveler img { width:22px; height:22px; border-radius:50%; object-fit:cover; }

/* Map */
.map-wrap { margin:0 0 18px; border-radius:12px; overflow:hidden; border:1px solid var(--border); }
.trip-map { height:260px; width:100%; background:var(--surface-2); }
.map-pin span { display:inline-flex; align-items:center; justify-content:center; width:30px; height:30px; background:var(--surface); border:1px solid var(--border); border-radius:50%; box-shadow:0 1px 4px rgba(0,0,0,.3); font-size:16px; }

/* Itinerary */
.itin { margin-top:8px; }
.day-head { font-size:12.5px; font-weight:700; text-transform:uppercase; letter-spacing:.05em; color:var(--accent); margin:22px 0 6px; padding-bottom:6px; border-bottom:1px solid var(--border); }
.day-head:first-child { margin-top:6px; }
.itin-row { display:flex; gap:12px; padding:11px 0; align-items:flex-start; border-top:1px solid var(--border); }
.itin-row:first-child,.day-head + .itin-row { border-top:none; }
.itin-icon { font-size:20px; line-height:1.35; width:26px; text-align:center; flex:none; }
.check { flex:none; width:22px; height:22px; margin-top:2px; border-radius:6px; border:1.5px solid var(--border); background:var(--surface); color:var(--accent-contrast); font-size:13px; line-height:1; cursor:pointer; }
.check.on { background:var(--accent); border-color:transparent; }
.itin-body { flex:1; min-width:0; }
.itin-title { font-weight:600; font-size:14.5px; }
.itin-time { float:right; color:var(--muted); font-size:12.5px; font-weight:500; margin-left:10px; }
.itin-sub { color:var(--muted); font-size:13px; margin-top:2px; }
.itin-sub.subtle { font-size:12px; opacity:.85; }
.itin-note { font-size:13px; margin-top:5px; white-space:pre-wrap; background:var(--surface-2); border-radius:8px; padding:7px 10px; }
.itin-links { display:flex; flex-wrap:wrap; gap:6px; margin-top:7px; }
.linkchip { display:inline-flex; align-items:center; gap:4px; background:var(--surface-2); border:1px solid var(--border); border-radius:999px; padding:3px 9px; font-size:12px; text-decoration:none; color:var(--text); cursor:pointer; }
.linkchip:hover { background:var(--surface); }
.detail-section { margin-top:20px; }
.detail-section h3 { font-size:13px; text-transform:uppercase; letter-spacing:.04em; color:var(--muted); margin:0 0 6px; }

/* Toast */
.toast { position:fixed; left:50%; bottom:26px; transform:translate(-50%,20px); background:var(--text); color:var(--bg); padding:10px 16px; border-radius:10px; font-size:14px; box-shadow:var(--shadow); opacity:0; transition:opacity .25s,transform .25s; z-index:40; }
.toast.show { opacity:1; transform:translate(-50%,0); }

@media (max-width:520px){ .whoami { display:none; } .card-cover { height:188px; } #main { padding:16px 14px 48px; } .detail-inner { padding:16px 16px 24px; } }

/* Print: only the open trip detail */
@media print {
  .app-header, .dash-view, .overlay-backdrop, .overlay-close, .detail-actions, .map-wrap, .check, .itin-links, .to-top { display:none !important; }
  body, .overlay, .detail-panel { position:static; background:#fff; color:#000; max-height:none; overflow:visible; box-shadow:none; border:none; }
  .detail-cover { height:120px; }
  .day-head, .cd-pill, .year-head { color:#000; }
}