:root{--bg:#f6f4ef;--bg-panel:#fff;--text:#1e1f1c;--muted:#6e7168;--accent:#a44a1b;--accent-soft:#fbe9dc;--line:#e4e0d6;--radius:14px}*{box-sizing:border-box}html,body{color:var(--text);background:radial-gradient(circle at top right,#fff2e8 0%,var(--bg)48%);margin:0;padding:0;font-family:Avenir Next,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}.app-shell{grid-template-columns:260px 1fr;min-height:100vh;display:grid}.sidebar{border-right:1px solid var(--line);background:#fbfaf7;height:100vh;padding:1.25rem;position:sticky;top:0}.brand{letter-spacing:.02em;margin:0;font-size:1.2rem}.nav-list{gap:.4rem;margin:1.25rem 0 0;padding:0;list-style:none;display:grid}.nav-link{color:var(--muted);border:1px solid #0000;border-radius:10px;padding:.72rem .85rem;display:block}.nav-link.active{color:var(--accent);background:var(--accent-soft);border-color:#efc9b1;font-weight:600}.main{padding:1.25rem}.page-header h1{margin:0;font-size:1.5rem}.page-header p{color:var(--muted);margin-top:.45rem}.grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;display:grid}.card{background:var(--bg-panel);border:1px solid var(--line);border-radius:var(--radius);padding:1rem}.card-link{min-height:190px;transition:transform .15s,box-shadow .15s,border-color .15s;display:block}.card-link:hover{border-color:#d7b39a;transform:translateY(-2px);box-shadow:0 8px 18px #00000014}.card-link:focus-visible{outline-offset:2px;outline:3px solid #efc9b1}.card h2,.card h3{margin-top:0}.muted{color:var(--muted)}.kpi{margin:.2rem 0 0;font-size:1.5rem;font-weight:700}.stack{gap:.75rem;display:grid}label{color:var(--muted);gap:.35rem;font-size:.9rem;display:grid}input,select,textarea,button{font:inherit}input,select,textarea{border:1px solid var(--line);background:#fff;border-radius:10px;padding:.64rem .7rem}.input-suffix-wrap,.input-prefix-wrap{width:100%;display:inline-block;position:relative}.input-suffix-field{width:100%;padding-right:1.55rem}.input-suffix-field-unit{padding-right:2.4rem}.input-prefix-field{width:100%;padding-left:1.35rem}.input-suffix-symbol{color:var(--muted);pointer-events:none;position:absolute;top:50%;right:.55rem;transform:translateY(-50%)}.input-suffix-symbol-unit{font-size:.82rem}.input-prefix-symbol{color:var(--muted);pointer-events:none;position:absolute;top:50%;left:.55rem;transform:translateY(-50%)}button{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:10px;padding:.65rem .9rem;font-weight:600}button.secondary{color:var(--accent);background:#fff;border:1px solid #efc9b1}.table-sort-button{color:#5d6157;cursor:pointer;background:#f4f1e8;border:1px solid #d8d2c3;border-radius:8px;padding:.4rem .55rem;font-size:.8rem;font-weight:600}.table-sort-button.active{color:#3f433c;background:#efe8d8;border-color:#c8bea7}.table-wrap{width:100%;overflow-x:auto}.session-panel{border:1px solid var(--line);background:#fff;border-radius:10px;margin-top:1rem;padding:.8rem}.session-name{margin:0;font-weight:700}.session-meta{color:var(--muted);margin:.35rem 0 .75rem;font-size:.9rem}.permission-check{grid-template-columns:18px 1fr;align-items:center}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;padding:.55rem;font-size:.92rem}@media (max-width:900px){.app-shell{grid-template-columns:1fr}.sidebar{border-right:none;border-bottom:1px solid var(--line);height:auto;position:static}.nav-list{grid-template-columns:repeat(2,minmax(0,1fr))}}