*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--sans:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;--primary:#1976d2;--primary-dark:#115293;--danger:#d32f2f;--danger-dark:#9a0007;--bg:#f5f6fa;--surface:#fff;--border:#e0e0e0;--text:#212121;--text-muted:#616161;--header-bg:#1565c0;--header-fg:#fff;--today-bg:#e3f2fd;--today-border:#1976d2;--slot-hover:#f0f4ff;--radius:6px;--shadow:0 2px 8px #0000001f}body{font-family:var(--sans);color:var(--text);background:var(--bg);min-height:100dvh;font-size:14px}#root{flex-direction:column;min-height:100dvh;display:flex}button{cursor:pointer;background:0 0;border:none;font-family:inherit}.btn{border-radius:var(--radius);white-space:nowrap;align-items:center;gap:6px;padding:8px 16px;font-size:14px;font-weight:500;transition:background .15s,opacity .15s;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn--primary{background:var(--primary);color:#fff}.btn--primary:hover:not(:disabled){background:var(--primary-dark)}.btn--secondary{color:var(--primary);border:1.5px solid var(--primary);background:#fff}.btn--secondary:hover:not(:disabled){background:#e8f0fe}.btn--danger{background:var(--danger);color:#fff}.btn--danger:hover:not(:disabled){background:var(--danger-dark)}.btn--ghost{color:var(--text);border:1.5px solid var(--border);background:0 0}.btn--ghost:hover:not(:disabled){background:#f5f5f5}.btn--full{justify-content:center;width:100%}.btn--icon{padding:6px 12px;font-size:20px;line-height:1}.btn--sm{padding:4px 10px;font-size:12px}.loading-screen{justify-content:center;align-items:center;height:100dvh;display:flex}.loading-spinner{border:4px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:40px;height:40px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.login-page{background:linear-gradient(135deg,#1565c0 0%,#0d47a1 100%);justify-content:center;align-items:center;min-height:100dvh;padding:16px;display:flex}.login-card{background:var(--surface);border-radius:12px;width:100%;max-width:380px;padding:32px 28px;box-shadow:0 8px 32px #00000040}.login-logo{text-align:center;margin-bottom:28px}.login-icon{margin-bottom:8px;font-size:40px;display:block}.login-logo h1{color:var(--text);margin-bottom:4px;font-size:24px;font-weight:700}.login-logo p{color:var(--text-muted);font-size:13px}.login-form{flex-direction:column;gap:16px;display:flex}.field{flex-direction:column;gap:6px;display:flex}.field label{color:var(--text);font-size:13px;font-weight:500}.field input,.field select,.field textarea{border:1.5px solid var(--border);border-radius:var(--radius);background:#fafafa;width:100%;padding:10px 12px;font-family:inherit;font-size:14px;transition:border-color .15s}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);background:#fff;outline:none}.field--checkbox{flex-direction:row;align-items:center}.field--checkbox label{cursor:pointer;align-items:center;gap:8px;font-size:14px;display:flex}.field--checkbox input[type=checkbox]{cursor:pointer;width:16px;height:16px}.login-error{color:var(--danger);border-radius:var(--radius);background:#ffebee;border:1px solid #ffcdd2;padding:10px 12px;font-size:13px}.app-layout{flex-direction:column;min-height:100dvh;display:flex}.app-header{background:var(--header-bg);color:var(--header-fg);z-index:100;flex-shrink:0;justify-content:space-between;align-items:center;height:56px;padding:0 16px;display:flex;position:sticky;top:0}.header-left{align-items:center;gap:10px;display:flex}.header-logo{font-size:24px}.header-title{letter-spacing:.3px;font-size:17px;font-weight:700}.header-right{align-items:center;gap:8px;display:flex}.header-user{color:#ffffffd9;font-size:13px}.header-right .btn--ghost{color:#fff;border-color:#fff6;padding:5px 12px;font-size:13px}.header-right .btn--ghost:hover{background:#ffffff26}.schedule-controls{background:var(--surface);border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.month-nav{align-items:center;gap:12px;display:flex}.month-label{color:var(--text);white-space:nowrap;font-size:18px;font-weight:600}.legend{border-bottom:1px solid var(--border);background:#fafafa;flex-wrap:wrap;flex-shrink:0;align-items:center;gap:6px;padding:8px 16px;font-size:12px;display:flex}.legend-title{color:var(--text-muted);flex-shrink:0;font-weight:600}.legend-item{border-radius:12px;padding:2px 8px;font-size:11px;font-weight:500}.schedule-loading{justify-content:center;align-items:center;padding:60px;display:flex}.schedule-wrapper{-webkit-overflow-scrolling:touch;flex:1;overflow:auto}.schedule-grid{width:100%;min-width:700px}.grid-header{background:var(--primary);color:#fff;z-index:10;grid-template-columns:repeat(7,1fr);display:grid;position:sticky;top:0}.grid-header-cell{text-align:center;letter-spacing:.5px;text-transform:uppercase;padding:8px 4px;font-size:12px;font-weight:600}.grid-week{border-bottom:1px solid var(--border);grid-template-columns:repeat(7,1fr);display:grid}.grid-day{border-right:1px solid var(--border);background:var(--surface);min-height:80px}.grid-day:last-child{border-right:none}.grid-day--empty{background:#f9f9f9}.grid-day--today{background:var(--today-bg)}.grid-day-number{color:var(--text-muted);text-align:right;padding:4px 6px;font-size:12px;font-weight:600}.grid-day--today .grid-day-number{color:var(--primary);font-weight:700}.grid-slots{flex-direction:column;gap:2px;padding:0 2px 4px;display:flex}.slot-cell{cursor:default;border-radius:4px;flex-wrap:wrap;align-items:flex-start;gap:4px;min-height:22px;padding:2px 4px;transition:background .1s;display:flex;position:relative}.slot-cell--editable{cursor:pointer}.slot-cell--editable:hover{background:var(--slot-hover)}.slot-period{text-transform:uppercase;color:var(--text-muted);letter-spacing:.3px;flex-shrink:0;min-width:28px;padding-top:2px;font-size:9px;font-weight:700}.slot-chips{flex-wrap:wrap;flex:1;gap:2px;display:flex}.chip{white-space:nowrap;border-radius:10px;align-items:center;padding:1px 5px;font-size:10px;font-weight:600;line-height:1.4;display:inline-flex}.slot-note-preview{opacity:.7;font-size:10px;position:absolute;bottom:1px;right:2px}.modal-backdrop{z-index:200;background:#00000080;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal{background:var(--surface);border-radius:12px;flex-direction:column;width:100%;max-width:420px;max-height:90dvh;display:flex;box-shadow:0 12px 40px #00000040}.modal--wide{max-width:720px}.modal-header{border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:flex-start;padding:20px 20px 16px;display:flex}.modal-title{color:var(--text);font-size:17px;font-weight:700}.modal-subtitle{color:var(--text-muted);margin-top:2px;font-size:12px}.modal-close{color:var(--text-muted);border-radius:4px;flex-shrink:0;margin-left:8px;padding:4px 8px;font-size:18px}.modal-close:hover{color:var(--text);background:#f5f5f5}.modal-body{flex:1;padding:20px;overflow-y:auto}.modal-body--scroll{overflow-y:auto}.modal-footer{border-top:1px solid var(--border);flex-shrink:0;justify-content:flex-end;padding:12px 20px;display:flex}.modal-section-label{text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);margin-top:16px;margin-bottom:8px;font-size:12px;font-weight:600}.modal-section-label:first-child{margin-top:0}.visitor-toggles{flex-wrap:wrap;gap:8px;display:flex}.visitor-toggle{border:1.5px solid var(--border);color:var(--text);background:#fafafa;border-radius:20px;padding:6px 14px;font-size:13px;font-weight:500;transition:all .15s}.visitor-toggle:disabled{opacity:.5;cursor:not-allowed}.visitor-toggle--active{border-color:#0000}.slot-note{border:1.5px solid var(--border);border-radius:var(--radius);resize:vertical;background:#fafafa;width:100%;padding:8px 10px;font-family:inherit;font-size:13px}.slot-note:focus{border-color:var(--primary);background:#fff;outline:none}.save-indicator{color:#388e3c;margin-left:8px;font-size:12px;font-weight:500}.tab-bar{border-bottom:2px solid var(--border);flex-shrink:0;padding:0 20px;display:flex}.tab-btn{color:var(--text-muted);border-bottom:2px solid #0000;margin-bottom:-2px;padding:10px 16px;font-size:14px;font-weight:500;transition:color .15s,border-color .15s}.tab-btn:hover{color:var(--text)}.tab-btn--active{color:var(--primary);border-bottom-color:var(--primary)}.admin-section{flex-direction:column;gap:16px;display:flex}.admin-section h3{color:var(--text);font-size:16px;font-weight:700}.admin-section h4{color:var(--text);font-size:14px;font-weight:600}.user-table{border-collapse:collapse;width:100%;font-size:13px}.user-table th{text-align:left;border-bottom:2px solid var(--border);text-transform:uppercase;letter-spacing:.4px;color:var(--text-muted);background:#f5f5f5;padding:8px 10px;font-size:12px;font-weight:600}.user-table td{border-bottom:1px solid var(--border);vertical-align:middle;padding:8px 10px}.row--inactive td{opacity:.55}.actions-cell{flex-wrap:wrap;gap:6px;display:flex}.role-badge{border-radius:10px;padding:2px 8px;font-size:11px;font-weight:600;display:inline-flex}.role-badge--admin{color:#3949ab;background:#e8eaf6}.role-badge--editor{color:#2e7d32;background:#e8f5e9}.role-badge--viewer{color:#7b1fa2;background:#f3e5f5}.status-badge{border-radius:10px;padding:2px 8px;font-size:11px;font-weight:600;display:inline-flex}.status-badge--active{color:#2e7d32;background:#e8f5e9}.status-badge--inactive{color:var(--danger);background:#ffebee}.edit-row td{background:#f0f4ff;padding:10px 12px}.edit-row-form{flex-wrap:wrap;align-items:flex-end;gap:10px;display:flex}.edit-row-form .field{flex:1;min-width:120px}.edit-row-form .field label{font-size:11px}.create-user-form{flex-direction:column;gap:12px;display:flex}.form-row{flex-wrap:wrap;align-items:flex-end;gap:12px;display:flex}.form-row .field{flex:1;min-width:120px}.form-row .btn{flex-shrink:0}.field-error{color:var(--danger);padding:4px 0;font-size:12px}.field-success{color:#2e7d32;padding:4px 0;font-size:12px}.temp-pwd-banner{border-radius:var(--radius);background:#fff8e1;border:1.5px solid #ffe082;flex-wrap:wrap;align-items:center;gap:10px;padding:10px 14px;font-size:13px;display:flex}.temp-pwd-banner code{font-family:var(--mono);letter-spacing:1px;background:#fff;border:1px solid #ffe082;border-radius:4px;padding:2px 8px;font-size:15px}.temp-pwd-note{color:var(--text-muted);font-size:11px}.data-action-group{border:1px solid var(--border);border-radius:var(--radius);background:#fafafa;flex-direction:column;gap:8px;padding:16px;display:flex}.data-action-group p{color:var(--text-muted);font-size:13px}.confirm-group{color:var(--text);flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;display:flex}@media (width<=600px){.app-header{padding:0 10px}.header-title{font-size:15px}.header-user{display:none}.schedule-controls{padding:8px 10px}.month-label{font-size:15px}.legend{padding:6px 10px}.modal{border-radius:0;max-width:100%;height:100dvh;max-height:100dvh;margin:0}.modal-backdrop{align-items:flex-end;padding:0}.modal--wide{max-height:95dvh}.form-row{flex-direction:column}.actions-cell{flex-direction:column;gap:4px}.user-table{font-size:12px}.user-table th,.user-table td{padding:6px}}