:root{color-scheme:light dark;--bg: #f7f7f8;--surface: #ffffff;--border: #e2e2e6;--text: #1a1a1f;--text-muted: #6b6b75;--accent: #3d5afe;--danger: #c62828;--danger-hover: #a01f1f}@media(prefers-color-scheme:dark){:root{--bg: #16161a;--surface: #1f1f24;--border: #33333a;--text: #f2f2f4;--text-muted: #9a9aa4;--accent: #7c8cff;--danger: #ef5350;--danger-hover: #ff6b66}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.loading{padding:2rem;color:var(--text-muted)}.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1.5rem}.login-form{width:100%;max-width:320px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:2rem;display:flex;flex-direction:column;gap:.75rem}.login-form h1{font-size:1.25rem;margin:0 0 .5rem}.login-form label{font-size:.875rem;color:var(--text-muted)}.login-form input{padding:.5rem .625rem;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text);font-size:1rem}.login-form button{margin-top:.5rem;padding:.6rem;border:none;border-radius:8px;background:var(--accent);color:#fff;font-size:1rem;cursor:pointer}.login-form button:disabled{opacity:.6;cursor:not-allowed}.error{color:var(--danger);font-size:.875rem;margin:0}.app{max-width:960px;margin:0 auto;padding:1.5rem}.app-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem}.app-header h1{font-size:1.25rem;margin:0}.logout-button{padding:.4rem .75rem;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text);cursor:pointer}.tabs{display:flex;gap:.5rem;margin-bottom:1rem;border-bottom:1px solid var(--border)}.tab{padding:.5rem .25rem;border:none;background:none;color:var(--text-muted);font-size:.9375rem;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px}.tab.active{color:var(--text);border-bottom-color:var(--accent)}.admin-table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--border);border-radius:12px;overflow:hidden}.admin-table th,.admin-table td{text-align:left;padding:.625rem .75rem;border-bottom:1px solid var(--border);font-size:.9375rem}.admin-table th{color:var(--text-muted);font-weight:600;font-size:.8125rem;text-transform:uppercase;letter-spacing:.02em}.admin-table tbody tr:last-child td{border-bottom:none}.subtitle{color:var(--text-muted);font-size:.875rem}.danger-button{padding:.35rem .625rem;border:1px solid var(--danger);border-radius:6px;background:none;color:var(--danger);cursor:pointer;font-size:.875rem}.danger-button:hover{background:var(--danger);color:#fff;border-color:var(--danger-hover)}