:root{--orange:#f28a17;--orange-deep:#d86608;--navy:#08284c;--ink:#1e2c3f;--muted:#6c7887;--line:#dfe5ea;--paper:#fffdf8;--soft:#fff3e3;--green:#21715b;--red:#b53d35;--shadow:0 18px 55px rgba(21,40,66,.12)}
*{box-sizing:border-box}html{background:#f2f4f6}body{margin:0;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif}button,input,textarea,select{font:inherit}button{cursor:pointer}.hidden{display:none!important}
.guest-body{min-height:100svh;background:linear-gradient(180deg,rgba(6,36,73,.68) 0,rgba(8,40,76,.95) 23%,#fff8ed 23%,#fffdf8 100%),url('/static/img/kandel-invitation.webp') center 42%/cover fixed no-repeat;padding:env(safe-area-inset-top) 14px env(safe-area-inset-bottom)}
.guest-shell{width:min(100%,430px);margin:0 auto;padding:22px 0 36px}.event-brand{color:#fff;display:flex;align-items:center;justify-content:center;gap:11px;margin:6px 0 22px}.brand-mark{width:42px;height:42px;display:grid;place-items:center;border-radius:13px;background:linear-gradient(145deg,#ffb33c,var(--orange-deep));font-family:Georgia,serif;font-size:22px;font-weight:800;box-shadow:0 8px 22px rgba(242,138,23,.34)}.event-brand strong{display:block;font-family:"Songti SC","STSong",serif;font-size:19px;letter-spacing:.03em}.event-brand small{display:block;opacity:.72;margin-top:2px;font-size:11px}
.guest-card{background:rgba(255,253,248,.985);border:1px solid rgba(255,255,255,.75);border-radius:24px;padding:28px 22px;box-shadow:var(--shadow)}.guest-card h1{margin:0;text-align:center;color:var(--navy);font-family:"Songti SC","STSong",serif;font-size:30px}.lead{text-align:center;color:var(--muted);font-size:14px;line-height:1.8;margin:12px auto 28px}.lead b{color:var(--orange-deep)}
.field{display:block;margin-bottom:16px}.field>span,.field-label{display:block;font-size:13px;font-weight:800;margin:0 0 8px}.text-input,.textarea,.select{width:100%;border:1px solid #cdd5dc;background:#fff;border-radius:13px;outline:0;color:var(--ink)}.text-input,.select{height:52px;padding:0 14px;font-size:16px}.textarea{min-height:170px;padding:14px;line-height:1.8;resize:vertical}.text-input:focus,.textarea:focus,.select:focus{border-color:var(--orange);box-shadow:0 0 0 3px rgba(242,138,23,.15)}
.teacher-check{width:100%;display:flex;align-items:center;gap:12px;text-align:left;border:1px solid var(--line);background:#fff;border-radius:14px;padding:14px;margin:4px 0 22px;color:var(--ink)}.teacher-check .box{width:23px;height:23px;border:1.5px solid #9ca8b4;border-radius:6px;display:grid;place-items:center;color:#fff;flex:none}.teacher-check.active{border-color:#f2b568;background:#fff9ef}.teacher-check.active .box{background:var(--orange);border-color:var(--orange)}.teacher-check strong{display:block;font-size:14px}.teacher-check small{display:block;color:var(--muted);font-size:11px;margin-top:3px}
.primary,.secondary,.danger{border:0;border-radius:13px;font-weight:800;min-height:48px;padding:0 17px}.primary{background:linear-gradient(135deg,#ffac32,var(--orange-deep));color:#fff;box-shadow:0 10px 24px rgba(216,102,8,.24)}.primary:disabled{opacity:.55;cursor:wait}.primary.full{width:100%;font-size:16px}.secondary{background:#fff;border:1px solid var(--line);color:var(--ink)}.danger{background:#fff0ee;color:var(--red);border:1px solid #f1c4bf}.message{margin-top:14px;border-radius:12px;padding:11px 13px;font-size:13px;line-height:1.55}.message.error{background:#fff0ee;color:#8f302c;border:1px solid #f0c5c1}.message.ok{background:#edf8f3;color:#176048;border:1px solid #bee3d4}.fine-print{text-align:center;color:#8a938f;font-size:11px;line-height:1.65;margin:16px 6px 0}.help{margin-top:22px;background:var(--soft);border:1px solid #f4dfbd;border-radius:14px;padding:14px;color:#74644e;font-size:12px;line-height:1.7}
.result-status{text-align:center;margin-bottom:20px}.result-check{width:54px;height:54px;border-radius:50%;margin:0 auto 12px;display:grid;place-items:center;background:#fff0da;border:1px solid #ffd196;color:var(--orange-deep);font-size:26px;font-weight:900}.result-status h1{font-size:27px}.result-status p{margin:7px 0 0;color:var(--orange-deep);font-size:13px;font-weight:800}.seat-result{background:linear-gradient(145deg,#ffad32,#df6908 74%);color:#fff;border-radius:20px;padding:22px;box-shadow:0 18px 38px rgba(223,105,8,.26)}.seat-result .name{font-size:20px;font-weight:900}.seat-result .composition{font-size:13px;margin-top:4px;opacity:.88}.seat-range{font-family:"Songti SC","STSong",serif;font-size:35px;font-weight:900;line-height:1.2;margin:25px 0 5px}.seat-count{font-size:13px;opacity:.9}.seat-chips{display:flex;gap:6px;flex-wrap:wrap;margin-top:17px}.seat-chip{background:rgba(8,40,76,.14);border:1px solid rgba(255,255,255,.4);padding:5px 8px;border-radius:8px;font-size:12px;font-weight:900}.location-card{margin-top:17px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:15px}.location-card h2{font-size:14px;margin:0 0 11px}.mini-hall{background:#faf7f1;border-radius:12px;padding:11px}.mini-stage{width:55%;height:20px;margin:auto;background:var(--navy);color:#fff;text-align:center;border-radius:4px;font-size:9px;line-height:20px}.mini-tables{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:13px 8px 7px}.mini-table{height:88px;border-radius:4px;background:repeating-linear-gradient(to bottom,#c5dff5 0 16px,#8fbce3 16px 17px);position:relative}.mini-seat{position:absolute;width:7px;height:7px;border-radius:2px;background:#d8dee4}.mini-seat.active{background:var(--orange);box-shadow:0 0 0 2px #ffe1b7}.location-note{font-size:12px;color:var(--muted);line-height:1.65;margin:11px 0 0}.result-actions{display:flex;gap:9px;margin-top:16px}.result-actions>*{flex:1}
.admin-body{background:#f3f5f7;min-height:100vh}.admin-top{height:68px;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:20}.admin-brand{display:flex;align-items:center;gap:10px;font-weight:900}.admin-brand .brand-mark{width:35px;height:35px;font-size:18px;box-shadow:none}.admin-top small{opacity:.66}.admin-main{max-width:1480px;margin:auto;padding:26px}.admin-grid{display:grid;grid-template-columns:390px 1fr;gap:22px}.panel{background:#fff;border:1px solid #e0e5e9;border-radius:18px;padding:20px;box-shadow:0 8px 28px rgba(31,44,61,.05)}.panel h1,.panel h2{margin:0;color:var(--navy);font-family:"Songti SC","STSong",serif}.panel h1{font-size:25px}.panel h2{font-size:19px}.panel-sub{color:var(--muted);font-size:12px;line-height:1.65;margin:7px 0 18px}.admin-tabs{display:flex;gap:7px;margin-bottom:16px}.admin-tab{border:1px solid var(--line);background:#fff;border-radius:9px;padding:8px 11px;font-size:12px;font-weight:800;color:#5b6674}.admin-tab.active{background:var(--navy);color:#fff;border-color:var(--navy)}.tab-pane{display:none}.tab-pane.active{display:block}.split{display:grid;grid-template-columns:1fr 105px;gap:10px}.toolbar{display:flex;gap:9px;justify-content:flex-end;margin-top:14px}.stat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-bottom:18px}.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:13px 15px}.stat strong{display:block;font-size:23px;color:var(--navy)}.stat span{font-size:11px;color:var(--muted)}.feasible{color:var(--green)!important}.not-feasible{color:var(--red)!important}
.seat-panel-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:12px}.legend{display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end}.legend span{font-size:10px;color:#617080;display:flex;align-items:center;gap:5px}.legend i{width:10px;height:10px;border-radius:3px;background:#fff;border:1px solid #bbc5cd}.legend .family{background:#ffd99d;border-color:#efa943}.legend .teacher{background:#b9d9f5;border-color:#6eaadb}.legend .reserved{background:#e8def7;border-color:#9c7ccc}.legend .locked{background:#cfd4d8;border-color:#88939b}.legend .manual{background:#cdebdc;border-color:#65aa87}
.hall{min-width:720px;border:2px solid #28384d;background:#fffdf8;padding:13px 14px 18px;overflow:hidden}.stage-label{width:54%;height:38px;margin:0 auto 14px;background:var(--navy);color:#fff;border-radius:6px;display:grid;place-items:center;font-weight:900}.seat-grid{display:grid;grid-template-columns:42px repeat(8,minmax(62px,1fr));gap:6px;align-items:center}.grid-head{text-align:center;color:#647285;font-size:12px;font-weight:900}.row-label{text-align:center;color:#647285;font-size:12px;font-weight:900}.seat{min-height:42px;border-radius:9px;border:1px solid #cbd4dc;background:#fff;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:1px;color:var(--ink);position:relative}.seat b{font-size:12px}.seat small{font-size:9px;max-width:58px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#596776}.seat.family{background:#fff1d8;border-color:#eeaf4e}.seat.teacher{background:#e3f1fc;border-color:#71aada}.seat.manual{background:#e5f5ed;border-color:#70ac8d}.seat.reserved{background:#f1ebf9;border-color:#a68acb}.seat.locked{background:#e0e4e7;border-color:#8d969d;color:#5d6870}.seat:focus,.seat:hover{outline:3px solid rgba(242,138,23,.18);border-color:var(--orange)}.hall-wrap{overflow:auto}.door{text-align:center;color:#657181;font-size:11px;margin-top:14px}.family-table{width:100%;border-collapse:collapse;font-size:12px}.family-table th,.family-table td{text-align:left;border-bottom:1px solid #edf0f2;padding:9px 7px}.family-table th{color:var(--muted);font-size:10px}.pill{display:inline-block;border-radius:999px;padding:3px 7px;background:#f1f3f5;color:#5b6774;font-size:10px}.pill.done{background:#e8f5ef;color:#237058}
.modal-backdrop{position:fixed;inset:0;background:rgba(6,20,38,.5);display:grid;place-items:center;padding:18px;z-index:50}.modal{width:min(100%,440px);background:#fff;border-radius:20px;padding:22px;box-shadow:0 24px 70px rgba(0,0,0,.22)}.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.modal-head h2{margin:0;color:var(--navy)}.icon-btn{border:0;background:#f0f2f4;border-radius:9px;width:34px;height:34px}.modal-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:15px}.login-layer{position:fixed;inset:0;background:linear-gradient(145deg,#061f3c,#0b3968);z-index:100;display:grid;place-items:center;padding:18px}.login-card{width:min(100%,380px);background:#fff;border-radius:22px;padding:26px;box-shadow:var(--shadow)}.login-card h1{margin:0;color:var(--navy);font-family:"Songti SC","STSong",serif}.login-card p{color:var(--muted);font-size:13px;margin:8px 0 20px}
@media(max-width:980px){.admin-grid{grid-template-columns:1fr}.stat-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:600px){.guest-shell{padding-top:14px}.guest-card{padding:24px 18px;border-radius:21px}.guest-card h1{font-size:27px}.seat-range{font-size:31px}.admin-main{padding:15px}.admin-top{padding:0 15px}.stat-grid{grid-template-columns:1fr 1fr}.seat-panel-head{display:block}.legend{justify-content:flex-start;margin-top:10px}.panel{padding:15px}}