:root{
  --bg:#f4f7fb;
  --panel:#ffffff;
  --line:#dbe4ef;
  --text:#142033;
  --muted:#6f7d90;
  --blue:#2f80ed;
  --green:#27ae60;
  --cyan:#22b8cf;
  --danger:#ef5350;
  --shadow:0 12px 32px rgba(24,39,75,.10);
  --radius:18px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:linear-gradient(180deg,#f8fbff 0%,#eef3f8 100%);color:var(--text)}
a{text-decoration:none;color:inherit}
button,input,select,textarea{font:inherit}
.app-shell{display:grid;grid-template-columns:250px 1fr;min-height:100vh}
.sidebar{background:linear-gradient(180deg,#ffffff 0%,#f0f5fb 100%);border-right:1px solid var(--line);padding:24px 18px;position:sticky;top:0;height:100vh}
.brand{font-size:26px;font-weight:800;letter-spacing:.12em;margin-bottom:28px}
.nav{display:flex;flex-direction:column;gap:10px}
.nav a{padding:14px 16px;border-radius:14px;color:#234;transition:.2s;background:#fff;border:1px solid transparent}
.nav a:hover,.nav a.active{background:linear-gradient(90deg,#eef6ff,#eefcf6);border-color:#d9e8f8;transform:translateX(3px)}
.main{padding:24px}
.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;gap:12px}
.topbar h1{margin:0;font-size:30px;letter-spacing:.04em}
.top-actions{display:flex;gap:10px;flex-wrap:wrap}
.btn{border:none;border-radius:14px;padding:14px 18px;font-weight:700;cursor:pointer;transition:.2s;box-shadow:var(--shadow)}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:linear-gradient(135deg,var(--blue),#52a5ff);color:#fff}
.btn-success{background:linear-gradient(135deg,var(--green),#52d18a);color:#fff}
.btn-light{background:#fff;color:var(--text);border:1px solid var(--line);box-shadow:none}
.btn-danger{background:linear-gradient(135deg,#ff6b6b,#ff8787);color:#fff}
.grid{display:grid;gap:18px}
.grid.cards{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;animation:fadeIn .35s ease}
.card h3,.card h4{margin:0 0 10px 0}
.kpi{font-size:34px;font-weight:800;margin-top:10px}
.subtle{color:var(--muted);font-size:14px}
.two-col{display:grid;grid-template-columns:1.25fr .85fr;gap:18px}
.three-col{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
.preview-box{height:330px;border-radius:18px;overflow:hidden;background:#0f1720;position:relative;display:flex;align-items:center;justify-content:center;color:#fff}
.preview-box video,.preview-box img{width:100%;height:100%;object-fit:cover}
.capture-badge{position:absolute;top:14px;right:14px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);padding:8px 12px;border-radius:999px;backdrop-filter:blur(8px)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:8px}
.field input,.field select,.field textarea{padding:13px 14px;border-radius:14px;border:1px solid var(--line);background:#fff;outline:none}
.field input:focus,.field select:focus,.field textarea:focus{border-color:#9fc7ff;box-shadow:0 0 0 3px rgba(47,128,237,.12)}
.table-wrap{overflow:auto;border-radius:16px;border:1px solid var(--line);background:#fff}
table{width:100%;border-collapse:collapse;min-width:860px}
th,td{padding:14px 12px;border-bottom:1px solid #edf1f5;text-align:left;vertical-align:middle}
th{background:#f7fafd;color:#3d4a5c;font-size:13px;text-transform:uppercase;letter-spacing:.06em}
.status{display:inline-block;padding:7px 11px;border-radius:999px;font-size:12px;font-weight:800}
.status.active{background:#eafaf1;color:#148a43}
.status.done{background:#eef5ff;color:#2463d6}
.thumb{width:92px;height:66px;border-radius:10px;object-fit:cover;border:1px solid var(--line);background:#eef2f7}
.searchbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.searchbar input,.searchbar select{padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:#fff}
.panel-hero{background:linear-gradient(135deg,#fefefe,#edf7ff 50%,#eefcf6);padding:22px;border-radius:22px;border:1px solid var(--line);box-shadow:var(--shadow)}
.ticket-paper{background:#fff;border:1px dashed #b8c5d6;border-radius:18px;padding:20px;font-family:"Courier New",monospace;white-space:pre-line}
.metric-line{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px dashed #e5edf5}
.metric-line:last-child{border-bottom:none}
.notice{padding:14px 16px;border-radius:14px;background:#eff8ff;color:#24507a;border:1px solid #d8ebff}
.toast-wrap{position:fixed;top:18px;right:18px;z-index:1000;display:flex;flex-direction:column;gap:12px}
.toast{background:#fff;border:1px solid var(--line);padding:14px 16px;border-radius:14px;box-shadow:var(--shadow);min-width:260px;animation:slideIn .25s ease}
.chart-box{height:280px;display:flex;align-items:flex-end;gap:12px;padding:10px 4px 0}
.bar{flex:1;background:linear-gradient(180deg,#88d1ff,#2f80ed);border-radius:12px 12px 0 0;position:relative;min-height:28px}
.bar.green{background:linear-gradient(180deg,#8fe9b3,#27ae60)}
.bar span{position:absolute;bottom:100%;left:50%;transform:translate(-50%,-8px);font-size:12px;color:#4d5a6b;font-weight:700}
.bar label{position:absolute;top:100%;left:50%;transform:translate(-50%,8px);font-size:12px;color:#607086;white-space:nowrap}
.fullscreen-gate{background:#09111a;color:#fff;min-height:100vh;padding:20px}
.fullscreen-gate .big{font-size:58px;font-weight:900;letter-spacing:.08em;text-align:center;margin:10px 0}
.gate-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
.center{text-align:center}
.badge-soft{display:inline-block;padding:8px 14px;border-radius:999px;background:#eef7ff;color:#2158b5;font-size:12px;font-weight:800}
@keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@keyframes slideIn{from{opacity:0;transform:translateX(12px)}to{opacity:1;transform:none}}
@media (max-width:1180px){.grid.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.two-col,.three-col{grid-template-columns:1fr}}
@media (max-width:900px){.app-shell{grid-template-columns:1fr}.sidebar{position:relative;height:auto}.main{padding:16px}.grid.cards{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.gate-grid{grid-template-columns:1fr}.topbar{flex-direction:column;align-items:flex-start}}