:root{--bg:#0b1120;--bg-elevated:#131b2e;--card:#161f36;--card-border:#232e4a;--text:#e8ecf7;--text-muted:#8d98b8;--accent:#25d366;--accent-dark:#1da851;--accent-soft:rgba(37,211,102,.12);--danger:#ef4444;--warning:#f59e0b;--radius:16px;--radius-sm:10px;--shadow:0 10px 30px rgba(0,0,0,.35);--max-width:720px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Segoe UI,-apple-system,BlinkMacSystemFont,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}code{font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace}.main-container{max-width:var(--max-width);margin:0 auto;padding:24px 16px 64px}.navbar{position:-webkit-sticky;position:sticky;top:0;z-index:40;background:rgba(11,17,32,.92);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid 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label{font-size:13px;color:var(--text-muted);display:flex;flex-direction:column;gap:4px}.form-grid label.full{grid-column:1/-1}.table-wrap{overflow-x:auto}.data-table{width:100%;border-collapse:collapse;font-size:13px}.data-table td,.data-table th{padding:10px 12px;border-bottom:1px solid var(--card-border);text-align:left;white-space:nowrap}.data-table th{color:var(--text-muted);font-weight:600}.empty-cell{text-align:center;color:var(--text-muted);padding:24px}.row-actions{display:flex;gap:6px;flex-wrap:wrap}.btn-xs{background:var(--card-border);color:var(--text);border:none;padding:6px 10px;border-radius:6px;font-size:12px;cursor:pointer}.btn-xs.btn-danger{background:var(--danger);color:#fff}.admin-alert{background:rgba(245,158,11,.15);color:var(--warning);padding:12px 16px;border-radius:10px;font-size:14px}.bar-chart{display:flex;align-items:flex-end;gap:6px;height:140px;margin-top:8px}.bar-col{flex:1 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