:root{--color-free:#2e7d32;--color-free-light:#4caf50;--color-free-bg:#e8f5e9;--color-busy:#c62828;--color-busy-light:#ef5350;--color-busy-bg:#ffebee;--color-text:#212121;--color-text-secondary:#757575;--color-text-on-status:#fff;--color-bg:#fafafa;--color-card:#fff;--color-divider:#e0e0e0;--color-current-bg:#fff3e0;--color-current-accent:#ff9800;--color-past:#bdbdbd}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--color-bg);color:var(--color-text);font-family:Segoe UI,system-ui,-apple-system,BlinkMacSystemFont,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif}html,body,#root{width:100%;height:100%}.display-root{width:100vw;height:100vh;transition:all .6s;display:flex;overflow:hidden}.status-panel{flex-direction:column;flex:55;justify-content:space-between;align-items:center;padding:28px 40px;transition:background .6s;display:flex;position:relative;overflow:hidden}.display-root.free .status-panel{background:linear-gradient(160deg,#1b5e20 0%,#2e7d32 40%,#388e3c 100%)}.display-root.busy .status-panel{background:linear-gradient(160deg,#b71c1c 0%,#c62828 40%,#d32f2f 100%)}.status-panel:before{content:"";pointer-events:none;background:radial-gradient(circle at 20% 80%,rgba(255,255,255,.05) 0%,transparent 50%),radial-gradient(circle at 80% 20%,rgba(255,255,255,.03) 0%,transparent 50%);position:absolute;top:0;bottom:0;left:0;right:0}.status-top{z-index:1;flex-direction:column;align-items:flex-start;gap:10px;width:100%;display:flex}.logo{filter:brightness(0)invert();opacity:.85;flex-shrink:0;width:auto;height:48px}.room-name{color:#fff;letter-spacing:1px;border-left:3px solid rgba(255,255,255,.5);padding-left:14px;font-size:32px;font-weight:700}.status-center{z-index:1;flex-direction:column;align-items:center;display:flex}.status-badge{color:#fff;letter-spacing:6px;text-shadow:0 4px 20px rgba(0,0,0,.2);border-radius:16px;padding:10px 50px;font-size:80px;font-weight:900}.status-badge.free{background:rgba(255,255,255,.12);border:3px solid rgba(255,255,255,.25)}.status-badge.busy{background:rgba(255,255,255,.12);border:3px solid rgba(255,255,255,.25);animation:2s ease-in-out infinite pulse-busy}@keyframes pulse-busy{0%,to{box-shadow:0 0 rgba(255,255,255,.15)}50%{box-shadow:0 0 0 12px rgba(255,255,255,0)}}.status-info{z-index:1;text-align:center;color:#fff;min-height:100px}.info-label{opacity:.75;text-transform:uppercase;letter-spacing:1.5px;margin-bottom:4px;font-size:18px}.info-title{text-shadow:0 2px 8px rgba(0,0,0,.15);margin-bottom:6px;font-size:28px;font-weight:700}.info-time{opacity:.85;font-size:20px}.info-remaining{opacity:.7;margin-top:4px;font-size:18px;font-style:italic}.clock{color:rgba(255,255,255,.9);z-index:1;letter-spacing:4px;font-variant-numeric:tabular-nums;font-size:52px;font-weight:300}.timeline-panel{z-index:2;background:#fff;flex-direction:column;flex:45;display:flex;box-shadow:-4px 0 24px rgba(0,0,0,.08)}.timeline-header{background:#fafafa;border-bottom:1px solid #eee;padding:14px 20px}.timeline-date{color:#555;font-size:15px;font-weight:600}.cal-scroll{flex:1;position:relative;overflow-y:auto}.cal-timeline{padding:0;position:relative}.cal-grid{margin-left:52px;margin-right:12px;position:relative}.cal-hour-row{align-items:flex-start;display:flex;position:absolute;left:0;right:0}.cal-hour-label{text-align:right;color:#999;font-variant-numeric:tabular-nums;width:44px;font-size:12px;font-weight:500;position:absolute;top:-8px;left:-52px}.cal-hour-line{background:#eee;height:1px;position:absolute;top:0;left:0;right:0}.cal-event{z-index:2;background:#e8f5e9;border-left:4px solid #4caf50;border-radius:6px;padding:6px 10px;transition:all .3s;position:absolute;left:4px;right:4px;overflow:hidden}.cal-event.active{background:#fff3e0;border-left-color:#ff9800;box-shadow:0 2px 8px rgba(255,152,0,.2)}.cal-event.past{opacity:.6;background:#f5f5f5;border-left-color:#ddd}.cal-event-title{color:#333;white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:700;overflow:hidden}.cal-event.active .cal-event-title{color:#e65100}.cal-event.past .cal-event-title{color:#999}.cal-event-time{color:#888;margin-top:2px;font-size:11px}.cal-event.active .cal-event-time{color:#f57c00}.cal-now-line{z-index:10;pointer-events:none;position:absolute;left:-8px;right:0}.cal-now-dot{background:#d32f2f;border-radius:50%;width:10px;height:10px;position:absolute;top:-5px;left:0;box-shadow:0 0 4px rgba(211,47,47,.4)}.cal-now-rule{background:#d32f2f;height:2px;position:absolute;top:0;left:10px;right:0}.display-no-room{background:#f5f5f5;flex-direction:column;justify-content:center;align-items:center;gap:12px;width:100vw;height:100vh;display:flex}.no-room-title{color:#555;font-size:32px;font-weight:700}.no-room-sub{color:#888;font-size:18px}.no-room-id{color:#bbb;margin-top:8px;font-size:13px}.progress-container{z-index:1;width:100%;max-width:400px;margin:12px auto 8px}.progress-bar{background:rgba(255,255,255,.2);border-radius:4px;width:100%;height:8px;overflow:hidden}.progress-fill{background:rgba(255,255,255,.85);border-radius:4px;height:100%;transition:width 1s;box-shadow:0 0 8px rgba(255,255,255,.3)}.progress-labels{color:rgba(255,255,255,.6);font-variant-numeric:tabular-nums;justify-content:space-between;margin-top:4px;font-size:13px;display:flex}.screensaver{background:#000;flex-direction:column;justify-content:center;align-items:center;gap:24px;width:100vw;height:100vh;display:flex}.screensaver-logo{opacity:.4;filter:brightness(0)invert();width:auto;height:64px}.clock-large{color:rgba(255,255,255,.7);letter-spacing:8px;font-variant-numeric:tabular-nums;font-size:120px;font-weight:200}.screensaver-room{color:rgba(255,255,255,.25);letter-spacing:2px;text-transform:uppercase;font-size:24px}.admin-login{background:linear-gradient(135deg,#0f172a 0%,#1e293b 50%,#334155 100%);justify-content:center;align-items:center;width:100vw;height:100vh;display:flex}.admin-login-card{background:#fff;border-radius:16px;flex-direction:column;gap:20px;width:400px;padding:48px;display:flex;box-shadow:0 20px 60px rgba(0,0,0,.3)}.admin-login-card h2{color:#0f172a;margin:0;font-size:24px;font-weight:700}.admin-login-card p{color:#94a3b8;margin:0;font-size:14px}.admin-login-card input{border:2px solid #e2e8f0;border-radius:10px;outline:none;padding:14px 16px;font-size:16px;transition:border-color .2s}.admin-login-card input:focus{border-color:#2e7d32}.admin-login-card .error{color:#dc2626;font-size:14px}.admin-login-card button{color:#fff;cursor:pointer;background:#2e7d32;border:none;border-radius:10px;padding:14px;font-size:16px;font-weight:600;transition:background .2s}.admin-login-card button:hover{background:#1b5e20}.admin-login-card button:disabled{opacity:.6;cursor:not-allowed}.admin-root{background:#f1f5f9;min-height:100vh;font-family:Inter,Segoe UI,system-ui,-apple-system,BlinkMacSystemFont,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif;overflow-y:auto}.admin-topbar{background:#0f172a;justify-content:space-between;align-items:center;padding:16px 32px;display:flex;box-shadow:0 2px 12px rgba(0,0,0,.15)}.admin-topbar-left{align-items:center;gap:12px;display:flex}.admin-topbar-logo{opacity:.9;filter:brightness(0)invert();height:32px}.admin-topbar h1{color:#fff;letter-spacing:.3px;margin:0;font-size:18px;font-weight:600}.admin-topbar-actions{gap:8px;display:flex}.admin-stats{grid-template-columns:repeat(4,1fr);gap:16px;max-width:1400px;margin:0 auto;padding:24px 32px 0;display:grid}.stat-card{background:#fff;border-radius:12px;align-items:center;gap:16px;padding:20px 24px;display:flex;box-shadow:0 1px 3px rgba(0,0,0,.06)}.stat-icon{border-radius:12px;justify-content:center;align-items:center;width:48px;height:48px;font-size:22px;display:flex}.stat-icon.devices{color:#7c3aed;background:#ede9fe}.stat-icon.online{color:#16a34a;background:#dcfce7}.stat-icon.offline{color:#dc2626;background:#fee2e2}.stat-icon.rooms{color:#2563eb;background:#dbeafe}.stat-value{color:#0f172a;font-size:28px;font-weight:700;line-height:1}.stat-label{color:#94a3b8;margin-top:4px;font-size:13px}.admin-content{max-width:1400px;margin:0 auto;padding:24px 32px 48px}.admin-section{margin-bottom:32px}.section-header{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.section-title{color:#1e293b;margin:0;font-size:18px;font-weight:700}.section-actions{align-items:center;gap:8px;display:flex}.sync-status{color:#16a34a;background:#dcfce7;border-radius:20px;padding:4px 12px;font-size:13px;font-weight:500}.devices-grid{grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:16px;display:grid}.device-card{background:#fff;border:1px solid #e2e8f0;border-radius:12px;transition:box-shadow .2s,transform .2s;overflow:hidden}.device-card:hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(0,0,0,.08)}.device-card.offline{background:#fff5f5;border-color:#fecaca}.device-card-header{border-bottom:1px solid #f1f5f9;justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.device-status{align-items:center;gap:8px;display:flex}.status-dot{border-radius:50%;width:10px;height:10px}.status-dot.online{background:#22c55e;animation:2s ease-in-out infinite pulse-green;box-shadow:0 0 8px rgba(34,197,94,.4)}.status-dot.offline{background:#ef4444;box-shadow:0 0 8px rgba(239,68,68,.3)}@keyframes pulse-green{0%,to{box-shadow:0 0 4px rgba(34,197,94,.4)}50%{box-shadow:0 0 12px rgba(34,197,94,.2)}}.device-name{color:#1e293b;font-size:16px;font-weight:600}.device-status-label{text-transform:uppercase;letter-spacing:.5px;border-radius:6px;padding:3px 8px;font-size:11px;font-weight:700}.device-status-label.online{color:#16a34a;background:#dcfce7}.device-status-label.offline{color:#dc2626;background:#fee2e2}.device-card-body{padding:16px 20px}.device-detail{justify-content:space-between;align-items:center;padding:6px 0;font-size:14px;display:flex}.device-detail-label{color:#94a3b8}.device-detail-value{color:#334155;font-weight:500}.device-card-actions{background:#f8fafc;border-top:1px solid #f1f5f9;gap:6px;padding:12px 20px;display:flex}.device-edit-form{padding:16px 20px}.edit-field{margin-bottom:12px}.edit-field label{color:#64748b;text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px;font-size:12px;font-weight:600;display:block}.rooms-table{border-collapse:separate;border-spacing:0;background:#fff;border:1px solid #e2e8f0;border-radius:12px;width:100%;overflow:hidden;box-shadow:0 1px 3px rgba(0,0,0,.06)}.rooms-table th{text-align:left;color:#64748b;text-transform:uppercase;letter-spacing:.5px;background:#f8fafc;border-bottom:1px solid #e2e8f0;padding:12px 20px;font-size:12px;font-weight:700}.rooms-table td{color:#334155;border-bottom:1px solid #f1f5f9;padding:12px 20px;font-size:14px}.rooms-table tr:last-child td{border-bottom:none}.rooms-table code{color:#475569;background:#f1f5f9;border-radius:4px;padding:2px 8px;font-size:13px}.rooms-table .add-row td{background:#f8fafc;border-top:2px solid #e2e8f0}.empty-state{text-align:center;color:#94a3b8;padding:48px 24px}.empty-state-icon{margin-bottom:12px;font-size:48px}.empty-state-text{font-size:16px}.btn{cursor:pointer;border:none;border-radius:8px;align-items:center;gap:6px;padding:8px 16px;font-size:13px;font-weight:600;transition:all .15s;display:inline-flex}.btn:hover{transform:translateY(-1px)}.btn:active{transform:translateY(0)}.btn-primary{color:#fff;background:#2563eb}.btn-primary:hover{background:#1d4ed8}.btn-success{color:#fff;background:#16a34a}.btn-success:hover{background:#15803d}.btn-danger{color:#fff;background:#dc2626}.btn-danger:hover{background:#b91c1c}.btn-ghost{color:#64748b;background:0 0;border:1px solid #e2e8f0}.btn-ghost:hover{color:#334155;background:#f1f5f9}.btn-sm{padding:5px 12px;font-size:12px}.btn-topbar{cursor:pointer;border:none;border-radius:8px;padding:8px 16px;font-size:13px;font-weight:600}.btn-topbar.success{color:#4ade80;background:rgba(34,197,94,.15)}.btn-topbar.success:hover{background:rgba(34,197,94,.25)}.btn-topbar.ghost{color:#94a3b8;background:rgba(255,255,255,.08)}.btn-topbar.ghost:hover{color:#fff;background:rgba(255,255,255,.15)}.input,.select{background:#fff;border:1px solid #e2e8f0;border-radius:8px;outline:none;width:100%;padding:8px 12px;font-size:14px;transition:border-color .2s,box-shadow .2s}.input:focus,.select:focus{border-color:#2563eb;box-shadow:0 0 0 3px rgba(37,99,235,.1)}