:root{--bg: #0d0d10;--bg-card: #16161c;--bg-input: #1f1f28;--fg: #f5f5f5;--fg-muted: #8a8a8a;--primary: #3b82f6;--primary-hover: #2563eb;--success: #10b981;--danger: #ef4444;--warning: #f59e0b;--border: #2a2a35;--slot-libre: #1f4a3f;--slot-libre-hover: #266049;--slot-ocupado: #3a1a1f}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,system-ui,Inter,sans-serif;background:var(--bg);color:var(--fg)}.shell{max-width:1280px;margin:0 auto;padding:1.5rem}.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.header h1{margin:0}.controls{display:flex;gap:1rem;align-items:center;background:var(--bg-card);padding:1rem 1.25rem;border-radius:12px;margin-bottom:1rem}.input,.date{background:var(--bg-input);border:1px solid var(--border);color:var(--fg);padding:.55rem .75rem;border-radius:8px;font-family:inherit}.btn{background:var(--primary);color:#fff;border:none;padding:.55rem 1.25rem;border-radius:8px;font-weight:600;cursor:pointer}.btn:hover{background:var(--primary-hover)}.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--fg)}.timeline{background:var(--bg-card);border-radius:12px;overflow:auto}.timeline-grid{display:grid;grid-auto-rows:56px}.timeline-header{display:grid;grid-template-columns:200px repeat(var(--cols, 22),1fr);background:var(--bg-input);position:sticky;top:0;z-index:2;border-bottom:1px solid var(--border)}.timeline-header .cell{padding:.5rem;font-size:.75rem;color:var(--fg-muted);text-align:center;border-right:1px solid var(--border)}.timeline-row{display:grid;grid-template-columns:200px repeat(var(--cols, 22),1fr);border-bottom:1px solid var(--border)}.timeline-row .sala{padding:.75rem 1rem;background:var(--bg-input);border-right:1px solid var(--border);display:flex;flex-direction:column;justify-content:center}.timeline-row .sala .nombre{font-weight:600}.timeline-row .sala .meta{color:var(--fg-muted);font-size:.75rem}.slot{border-right:1px solid var(--border);cursor:pointer;transition:background .15s}.slot.libre{background:var(--slot-libre)}.slot.libre:hover{background:var(--slot-libre-hover)}.slot.ocupado{background:var(--slot-ocupado);cursor:not-allowed}.slot.ocupado .cargo{display:block;padding:.25rem;font-size:.7rem;color:var(--fg)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;display:grid;place-items:center;z-index:100}.modal{background:var(--bg-card);border-radius:12px;padding:2rem;width:90%;max-width:480px}.modal h2{margin:0 0 1rem}.modal label{display:block;margin-bottom:1rem}.modal label span{display:block;color:var(--fg-muted);margin-bottom:.25rem;font-size:.85rem}.modal label input,.modal label textarea{width:100%}.modal-actions{display:flex;gap:.5rem;justify-content:flex-end;margin-top:1rem}.toast{position:fixed;bottom:1.5rem;right:1.5rem;padding:1rem 1.25rem;border-radius:12px;background:var(--success);color:#fff;z-index:200}.toast.error{background:var(--danger)}