:root{--bg: #0f1419;--surface: #1a2332;--surface-2: #243044;--text: #e8eef7;--muted: #8fa3bf;--primary: #3b82f6;--primary-hover: #2563eb;--danger: #ef4444;--success: #22c55e;--border: #2d3f57;--radius: 12px;font-family:Segoe UI,system-ui,sans-serif;color:var(--text);background:var(--bg)}*{box-sizing:border-box}body{margin:0;min-height:100vh}a{color:inherit;text-decoration:none}input,button{font:inherit}input{width:100%;margin-top:.35rem;padding:.65rem .75rem;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text)}label{display:block;font-size:.9rem;color:var(--muted)}.centered,.login-page{min-height:100vh;display:grid;place-items:center}.login-card{width:min(420px,92vw)}.app-shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh}.sidebar{background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:1.25rem;gap:1.5rem}.brand{display:flex;gap:.75rem;align-items:center}.brand-mark{width:42px;height:42px;border-radius:10px;background:linear-gradient(135deg,var(--primary),#06b6d4);display:grid;place-items:center;font-weight:700}.brand small{display:block;color:var(--muted)}.sidebar nav{display:flex;flex-direction:column;gap:.35rem}.sidebar nav a{padding:.65rem .8rem;border-radius:8px;color:var(--muted)}.sidebar nav a.active,.sidebar nav a:hover{background:var(--surface-2);color:var(--text)}.sidebar-footer{margin-top:auto;display:flex;flex-direction:column;gap:.75rem}.user-chip{font-size:.9rem}.user-chip em{display:inline-block;margin-left:.4rem;font-size:.75rem;color:var(--primary);font-style:normal}.content{padding:1.5rem 2rem}.page-header{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;margin-bottom:1.25rem}h1,h2{margin:0 0 .35rem}.muted{color:var(--muted)}.small{font-size:.85rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem}.form-card{margin-bottom:1rem}.table-card{overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:.65rem .5rem;border-bottom:1px solid var(--border);white-space:nowrap}.row-actions{display:flex;gap:.5rem;justify-content:flex-end}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin-bottom:1rem}.checks{display:flex;gap:1.25rem;margin-bottom:1rem}.check{display:flex;align-items:center;gap:.5rem;color:var(--text)}.check input{width:auto;margin:0}.actions{display:flex;gap:.75rem;flex-wrap:wrap;align-items:center}.btn{border:none;border-radius:8px;padding:.6rem 1rem;cursor:pointer;color:var(--text);background:var(--surface-2)}.btn.primary{background:var(--primary)}.btn.primary:hover{background:var(--primary-hover)}.btn.secondary{background:#0e7490}.btn.ghost{background:transparent;border:1px solid var(--border)}.btn.small{padding:.35rem .6rem;font-size:.85rem}.btn.danger{background:#ef444426;color:#fca5a5}.btn:disabled{opacity:.6;cursor:not-allowed}.alert{padding:.75rem 1rem;border-radius:8px;margin-bottom:1rem}.alert.error{background:#ef44441f;border:1px solid rgba(239,68,68,.35)}.alert.success{background:#22c55e1f;border:1px solid rgba(34,197,94,.35)}code{background:var(--surface-2);padding:.1rem .4rem;border-radius:4px}@media(max-width:900px){.app-shell{grid-template-columns:1fr}.sidebar{border-right:none;border-bottom:1px solid var(--border)}.grid-2{grid-template-columns:1fr}}