:root{color-scheme:light;--ink:#20231f;--muted:#746f63;--paper:#fff;--ground:#f4f1e8;--line:#ded9ca;--accent:#242b24;--danger:#8b3232;--good:#247244}*{box-sizing:border-box}body{margin:0;background:var(--ground);color:var(--ink);font:14px/1.5 system-ui,"Microsoft YaHei",sans-serif}.wrap{max-width:1180px;margin:32px auto;padding:0 20px}.topbar,.section-head,.session-actions,.actions{display:flex;align-items:center;justify-content:space-between;gap:10px}.eyebrow{margin:0;color:#a67900;font-weight:800;letter-spacing:.12em}h1{margin:2px 0 18px;font-size:28px}h2{margin:0 0 14px;font-size:19px}.card{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:20px;margin:16px 0;box-shadow:0 8px 30px #433b2514}.login-card{max-width:880px}.grid{display:grid;gap:12px;align-items:end}.grid.three{grid-template-columns:repeat(3,1fr)}.grid.four{grid-template-columns:repeat(4,1fr)}label{display:grid;gap:6px;font-weight:700}input,select,button{font:inherit;border-radius:9px}input,select{width:100%;padding:11px;border:1px solid #cbc5b4;background:#fff}button{cursor:pointer;padding:11px 14px;border:0;background:var(--accent);color:#fff;font-weight:800}button:hover{filter:brightness(1.08)}button:disabled{cursor:not-allowed;opacity:.55}.secondary{background:#e8e4d8;color:var(--ink);border:1px solid #cbc5b4}.danger{background:var(--danger)}.compact{width:auto;padding:7px 10px}.muted{color:var(--muted)}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;white-space:nowrap}th,td{text-align:left;padding:11px;border-bottom:1px solid #eee9dc;vertical-align:top}.actions{justify-content:flex-start}.actions button{padding:7px 9px}.status-active{color:var(--good);font-weight:800}.status-frozen,.status-revoked{color:var(--danger);font-weight:800}.toast{position:fixed;right:24px;bottom:24px;max-width:480px;padding:13px 17px;border-radius:10px;background:var(--accent);color:#fff;box-shadow:0 10px 40px #0004}.toast.bad{background:var(--danger)}.hidden{display:none!important}@media(max-width:900px){.grid.three,.grid.four{grid-template-columns:1fr 1fr}}@media(max-width:620px){.grid.three,.grid.four{grid-template-columns:1fr}.topbar{align-items:flex-start;flex-direction:column}.wrap{padding:0 12px}}