:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--bg: #0d0f14;--bg2: #13161e;--bg3: #1a1e28;--bg4: #222736;--border: #2a2f3e;--border2: #363d52;--text: #e2e6f0;--text2: #8892aa;--text3: #555f78;--accent: #4f9cf9;--accent2: #7b5ea7;--danger: #ff6b6b;--success: #4fcc8a;--warning: #f9d44f;--font-mono: "IBM Plex Mono", monospace;--font-sans: "IBM Plex Sans", sans-serif;--c-code-editor: #4f9cf9;--c-recommendations: #f97b4f;--c-keyboard: #4fcc8a;--c-staircase: #f9d44f;--c-sheetmusic: #cc4faa;--c-timeline: #4fd4cc;--c-settings: #9b8fff;--c-playback: #ff6b6b;--c-recorder: #f4a261}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background:var(--bg);color:var(--text);min-height:100vh}.admin-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:16px;color:var(--text2);font-family:var(--font-mono);font-size:13px;width:100vw}.admin-loading-spinner{width:28px;height:28px;border:2px solid var(--border2);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.admin-error-icon{font-size:32px}.admin-root{display:flex;flex-direction:column;min-height:100vh;width:100vw}.admin-header{display:flex;align-items:center;gap:0;padding:0 28px;background:var(--bg2);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;min-height:52px}.admin-logo{font-family:var(--font-mono);font-size:13px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;padding-right:32px;white-space:nowrap;display:flex;align-items:center}.admin-logo-accent{color:var(--accent)}.admin-logo-sep{color:var(--border2)}.admin-logo-dim{color:var(--text3)}.admin-logo-img{width:25px;height:25px;margin-right:8px}.admin-tabs{display:flex;flex:1}.admin-tab{padding:0 20px;height:52px;font-family:var(--font-mono);font-size:11px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--text3);background:none;border:none;border-bottom:2px solid transparent;cursor:pointer;transition:all .15s;white-space:nowrap}.admin-tab:hover{color:var(--text2)}.admin-tab--active{color:var(--accent);border-bottom-color:var(--accent)}.admin-header-right{display:flex;align-items:center;gap:14px;margin-left:auto;flex-shrink:0}.admin-user-email{font-family:var(--font-mono);font-size:10px;color:var(--text3)}.admin-signout{font-family:var(--font-mono);font-size:10px;padding:5px 12px;background:transparent;border:1px solid var(--border2);border-radius:3px;color:var(--text2);cursor:pointer;letter-spacing:.06em;text-transform:uppercase;transition:all .15s}.admin-signout:hover{border-color:var(--danger);color:var(--danger)}.admin-main{flex:1;padding:24px 28px;overflow-x:hidden}.admin-card{background:var(--bg2);border:1px solid var(--border);border-radius:6px;overflow:hidden}.admin-card-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 18px;border-bottom:1px solid var(--border);flex-wrap:wrap}.admin-card-title{font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--text2)}.admin-card-subtitle{font-size:11px;color:var(--text3)}.admin-card-body{padding:18px}.admin-card-footer{padding:10px 18px;border-top:1px solid var(--border);display:flex;gap:10px;flex-wrap:wrap;align-items:center}.admin-btn{display:inline-flex;align-items:center;gap:7px;padding:7px 14px;background:var(--bg3);border:1px solid var(--border2);border-radius:4px;color:var(--text2);font-family:var(--font-mono);font-size:10px;font-weight:500;letter-spacing:.07em;text-transform:uppercase;cursor:pointer;transition:all .15s;white-space:nowrap}.admin-btn:hover{border-color:var(--accent);color:var(--accent)}.admin-btn:disabled{opacity:.4;cursor:not-allowed}.admin-btn--primary{background:var(--accent);border-color:var(--accent);color:#fff}.admin-btn--primary:hover{background:#3a88e8;border-color:#3a88e8;color:#fff}.admin-btn--danger{border-color:var(--danger);color:var(--danger)}.admin-btn--danger:hover{background:#ff6b6b1a}.admin-btn--success{border-color:var(--success);color:var(--success)}.admin-btn--success:hover{background:#4fcc8a1a}.admin-btn--sm{padding:4px 10px;font-size:9px}.admin-input,.admin-select{background:var(--bg3);border:1px solid var(--border2);border-radius:4px;color:var(--text);font-family:var(--font-mono);font-size:11px;padding:7px 10px;outline:none;transition:border-color .15s;width:100%}.admin-input:focus,.admin-select:focus{border-color:var(--accent)}.admin-input::placeholder{color:var(--text3)}.admin-label{display:block;font-family:var(--font-mono);font-size:10px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--text3);margin-bottom:6px}.admin-field{margin-bottom:16px}.admin-field:last-child{margin-bottom:0}.admin-grid{display:grid;gap:20px}.admin-grid-2{grid-template-columns:1fr 1fr}.admin-grid-3{grid-template-columns:repeat(3,1fr)}.admin-table-wrap{overflow-x:auto}.admin-table{width:100%;border-collapse:collapse;font-size:12px;font-family:var(--font-mono)}.admin-table th{padding:8px 12px;text-align:left;font-size:10px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--text3);border-bottom:1px solid var(--border);white-space:nowrap}.admin-table td{padding:9px 12px;border-bottom:1px solid var(--border);color:var(--text2);vertical-align:middle}.admin-table tr:last-child td{border-bottom:none}.admin-table tr:hover td{background:var(--bg3)}.admin-badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:20px;font-family:var(--font-mono);font-size:9px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap}.admin-badge--green{background:#4fcc8a26;color:var(--success)}.admin-badge--red{background:#ff6b6b26;color:var(--danger)}.admin-badge--blue{background:#4f9cf926;color:var(--accent)}.admin-badge--yellow{background:#f9d44f26;color:var(--warning)}.admin-badge--gray{background:var(--bg4);color:var(--text3)}.admin-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;gap:12px;color:var(--text3);text-align:center}.admin-empty-icon{font-size:36px;opacity:.4}.admin-empty-title{font-family:var(--font-mono);font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--text3)}.admin-empty-sub{font-size:13px;max-width:340px;line-height:1.6}.admin-spinner{display:inline-block;width:14px;height:14px;border:2px solid var(--border2);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;flex-shrink:0}.admin-alert{padding:10px 14px;border-radius:4px;border-left:3px solid;font-size:12px;line-height:1.5;margin-bottom:16px}.admin-alert--error{background:#ff6b6b14;border-color:var(--danger);color:var(--danger)}.admin-alert--success{background:#4fcc8a14;border-color:var(--success);color:var(--success)}.admin-alert--info{background:#4f9cf914;border-color:var(--accent);color:var(--accent)}.admin-sep{height:1px;background:var(--border);margin:20px 0}.admin-toggle{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;background:var(--bg3);border:1px solid var(--border2);border-radius:20px;color:var(--text2);font-family:var(--font-mono);font-size:9px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;transition:all .15s}.admin-toggle--active{border-color:var(--accent);color:var(--accent);background:#4f9cf914}.admin-checkbox{width:14px;height:14px;accent-color:var(--accent);cursor:pointer}@media(max-width:900px){.admin-grid-2,.admin-grid-3{grid-template-columns:1fr}.admin-header{flex-wrap:wrap;padding:12px 16px;gap:8px}.admin-tabs{order:3;width:100%;overflow-x:auto}.admin-main{padding:16px}}