:root{
  --bg:#f4f1ea; --card:#ffffff; --ink:#1f2937; --muted:#6b7280; --line:#e5e0d5;
  --orange:#ea7a1e; --orange-dark:#d96a0a; --orange-soft:#fdf0dd;
  --green:#16a34a; --red:#dc2626; --red-soft:#fef2f2; --amber-soft:#fff7e6;
  --radius:18px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.55}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:15px}
h1,h2,h3{margin:0}
a{color:var(--orange-dark)}

/* ---------- 首屏 ---------- */
.gate{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 16px 40px;text-align:center}
.gate-logo{width:72px;height:72px;border-radius:22px;background:linear-gradient(145deg,#f59e0b,#ea580c);color:#fff;font-size:38px;font-weight:800;display:flex;align-items:center;justify-content:center;box-shadow:0 12px 28px rgba(234,88,12,.35)}
.gate h1{font-size:32px;margin:22px 0 8px;letter-spacing:.5px}
.gate .sub{color:var(--muted);font-size:15px;margin:0 0 28px}
.role-cards{display:flex;flex-direction:column;gap:14px;width:min(560px,100%)}
.role-card{display:flex;align-items:center;gap:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;text-align:left;box-shadow:0 2px 10px rgba(0,0,0,.04);transition:transform .15s,box-shadow .15s}
.role-card:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(0,0,0,.08)}
.role-icon{width:52px;height:52px;border-radius:14px;background:var(--orange-soft);display:flex;align-items:center;justify-content:center;font-size:26px;flex:none}
.role-card b{font-size:19px;display:block}
.role-card span{color:var(--muted);font-size:14px}
.trip-card{width:min(560px,100%);margin-top:26px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;text-align:left;box-shadow:0 2px 10px rgba(0,0,0,.04)}
.trip-card h2{font-size:18px;margin-bottom:6px}
.trip-card .route{font-size:16px;font-weight:700}
.trip-card p{margin:6px 0;color:#374151;font-size:14px}
.trip-card .meta{color:var(--muted);font-size:13px}
.trip-nodes{margin:12px 0 0;padding:0;list-style:none;border-top:1px dashed var(--line)}
.trip-nodes li{padding:9px 0;border-bottom:1px dashed var(--line);font-size:14px;display:flex;gap:10px}
.trip-nodes li .t{font-weight:700;white-space:nowrap}
.trip-nodes li.done{opacity:.45}
.trip-nodes li.next{font-weight:700}
.trip-nodes li.next .t{color:var(--orange-dark)}

/* ---------- 顶部栏 / 统计 ---------- */
.topbar{position:sticky;top:0;z-index:20;background:rgba(244,241,234,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--line);padding:10px 16px;display:flex;align-items:center;gap:12px}
.btn-back{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 16px;font-size:15px;font-weight:700;color:var(--orange-dark)}
.btn-back:hover{background:var(--orange-soft)}
.topbar .who{color:var(--muted);font-size:14px}
.topbar .who b{color:var(--ink)}
.wrap{max-width:1060px;margin:0 auto;padding:16px 16px 60px}
.stats{display:flex;gap:10px;flex-wrap:wrap;margin:4px 0 14px}
.pill{background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 14px;font-size:14px;font-weight:700}
.pill .dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:6px}
.dot.orange{background:var(--orange)} .dot.green{background:var(--green)} .dot.gray{background:#9ca3af}

/* ---------- 3D ---------- */
.scene-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 2px 10px rgba(0,0,0,.04)}
.scene-card .scene-head{padding:12px 16px;font-weight:700;display:flex;justify-content:space-between;align-items:center}
.scene-card .scene-head span{color:var(--muted);font-weight:400;font-size:13px}
#scene3d{width:100%;height:440px;display:block;touch-action:none}
.scene-empty{padding:18px;text-align:center;color:var(--muted);font-size:14px}

/* ---------- 卡片 / 表单 ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-top:16px;box-shadow:0 2px 10px rgba(0,0,0,.04)}
.card h2{font-size:19px;margin-bottom:4px}
.card .hint{color:var(--muted);font-size:14px;margin:0 0 14px}
label{display:block;font-size:14px;font-weight:700;margin:12px 0 6px}
input[type=text],input[type=tel],input[type=date],select,textarea{width:100%;border:1px solid #d1d5db;border-radius:10px;padding:11px 12px;background:#fff}
input[type=text]:focus,select:focus,textarea:focus{outline:2px solid var(--orange);border-color:var(--orange)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:640px){.form-row{grid-template-columns:1fr}}
.stepper{display:inline-flex;align-items:center;gap:12px}
.stepper button{width:38px;height:38px;border-radius:50%;border:1px solid #d1d5db;background:#fff;font-size:20px;line-height:1}
.stepper b{font-size:19px;min-width:24px;text-align:center}
.swatches{display:flex;gap:9px;flex-wrap:wrap}
.swatch{width:34px;height:34px;border-radius:50%;border:3px solid transparent;padding:0}
.swatch.on{border-color:#fff;outline:3px solid var(--orange)}
.btn{display:inline-block;border:0;border-radius:12px;padding:13px 22px;font-size:16px;font-weight:700;background:var(--orange);color:#fff;width:100%;margin-top:16px}
.btn:hover{background:var(--orange-dark)}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid #d1d5db;width:auto;padding:9px 16px;font-size:14px;margin-top:0}
.btn.small{width:auto;padding:8px 14px;font-size:14px;margin-top:0}
.btn.danger{background:#fff;color:var(--red);border:1px solid #fecaca}
.btn:disabled{opacity:.45;cursor:not-allowed}
.seat-boxes{display:flex;gap:6px;margin:8px 0 4px}
.seat-box{width:20px;height:20px;border:2px solid #d1d5db;border-radius:5px}
.seat-box.on{background:var(--green);border-color:var(--green)}
.vehicle{border:1.5px solid var(--line);border-radius:14px;padding:16px;margin-top:12px}
.vehicle.mine{border-color:var(--orange)}
.vehicle .v-head{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;flex-wrap:wrap}
.vehicle .v-title{font-size:17px;font-weight:800}
.vehicle .v-title .tag{font-size:12px;font-weight:700;border-radius:999px;padding:2px 9px;margin-left:6px;vertical-align:2px}
.tag.claimed{background:var(--orange-soft);color:var(--orange-dark)}
.tag.published{background:#dcfce7;color:#15803d}
.tag.draft{background:#f3f4f6;color:#6b7280}
.vehicle .v-sub{color:var(--muted);font-size:13px;margin-top:2px}
.rider-chips{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}
.chip{display:inline-flex;align-items:center;gap:6px;background:#f3f4f6;border-radius:999px;padding:5px 11px;font-size:14px}
.chip .av{width:22px;height:22px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:12px;font-weight:700}
.chip button{border:0;background:none;color:var(--muted);font-size:15px;padding:0 2px}
.v-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.pick-row{display:flex;gap:8px;margin-top:10px}
.pick-row input{flex:1}
.waiting{background:var(--amber-soft);border:1px dashed #f59e0b}
.waiting h2{font-size:18px}
.wait-pick{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.wait-pick button{border:1px solid #fcd34d;background:#fff;border-radius:999px;padding:8px 14px;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.wait-pick button:disabled{opacity:.4}
.wait-pick .av{width:22px;height:22px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:12px;font-weight:700}
.full-banner{margin-top:14px;border:2px solid var(--red);background:var(--red-soft);border-radius:14px;padding:16px}
.full-banner b{color:var(--red);font-size:17px}
.full-banner p{margin:6px 0 12px;color:#7f1d1d;font-size:14px}
.full-banner .btn{background:var(--red);width:auto;margin-top:0}
details.organizer{margin-top:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px 18px}
details.organizer summary{cursor:pointer;font-weight:700;color:var(--muted);font-size:14px}
.node-row{display:flex;gap:8px;align-items:center;margin-top:8px}
.node-row input{flex:1}
.node-row .t{width:110px;flex:none}
.footer-note{text-align:center;color:var(--muted);font-size:13px;margin-top:28px}
.toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);background:#111827;color:#fff;border-radius:999px;padding:11px 20px;font-size:15px;z-index:50;box-shadow:0 8px 24px rgba(0,0,0,.25);max-width:92vw;text-align:center}
.empty{color:var(--muted);font-size:14px}