:root{--bg: #f6f6f7;--card: #ffffff;--border: #ececec;--border-strong: #dcdcdc;--text: #0a0a0a;--text-soft: #3f3f46;--muted: #8a8a92;--ink: #0a0a0a;--ink-hover: #262626;--red: #dc2626;--green: #16a34a;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow: 0 4px 16px -6px rgba(0, 0, 0, .12), 0 1px 3px rgba(0, 0, 0, .05);--shadow-lg: 0 24px 56px -24px rgba(0, 0, 0, .3);--radius: 14px;--radius-sm: 10px}*{box-sizing:border-box}html,body{margin:0;min-height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}.app{min-height:100vh;display:flex;flex-direction:column}.header{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:24px;padding:13px 28px;background:#ffffffd9;-webkit-backdrop-filter:saturate(180%) blur(12px);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:12px}.brand-logo{width:36px;height:36px;border-radius:8px;object-fit:contain}.brand-name{font-weight:800;font-size:16px;letter-spacing:-.3px;white-space:nowrap}.portal-pill{margin-left:4px;padding:3px 10px;border-radius:999px;font-size:10.5px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;color:#555;background:#f1f1f2;border:1px solid #e6e6e8}.portal-pill-admin{color:#fff;background:var(--ink);border-color:var(--ink)}.nav{display:flex;gap:4px}.nav a{color:var(--text-soft);text-decoration:none;font-weight:600;font-size:14px;padding:7px 14px;border-radius:9px;transition:background .15s,color .15s}.nav a:hover{color:var(--ink);background:#f2f2f3}.header-right{margin-left:auto;display:flex;align-items:center;gap:10px}.avatar{width:33px;height:33px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:700;font-size:14px;background:var(--ink)}.welcome{font-weight:600;font-size:14px;color:var(--text-soft)}.main{width:100%;max-width:1000px;margin:0 auto;padding:30px 24px;flex:1;animation:fadeInUp .35s ease both}.app-footer{text-align:center;padding:22px;color:var(--muted);font-size:12.5px;border-top:1px solid var(--border)}.center{min-height:78vh;display:flex;align-items:center;justify-content:center;padding:24px}.auth-bg{min-height:100vh}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:22px;margin-bottom:22px;box-shadow:var(--shadow);animation:fadeInUp .4s ease both}.login-card{width:380px;max-width:92vw;box-shadow:var(--shadow-lg);padding:32px 28px}.login-brand{display:flex;flex-direction:column;align-items:center;gap:12px;margin-bottom:18px}.login-logo{width:56px;height:56px;border-radius:14px;object-fit:contain}.login-company{font-size:13px;font-weight:700;color:var(--text-soft);letter-spacing:.2px}.login-card h1{margin:0;text-align:center}.login-subtitle{margin:4px 0 18px;text-align:center;color:var(--muted);font-size:14px}h1{font-size:23px;font-weight:800;letter-spacing:-.4px}h2{font-size:17px;font-weight:700;margin-top:0;letter-spacing:-.3px}label{display:block;font-weight:600;font-size:13.5px;color:var(--text-soft);margin-bottom:14px}input,select,textarea{display:block;width:100%;margin-top:7px;padding:11px 13px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);font-size:14px;font-weight:500;color:var(--text);background:#fff;transition:border-color .15s,box-shadow .15s}input::placeholder,textarea::placeholder{color:#b3b3b8}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px #0a0a0a14}textarea.mono,.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 18px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:#fff;color:var(--text);font-size:14px;font-weight:600;cursor:pointer;transition:transform .12s ease,box-shadow .15s ease,background .15s,border-color .15s,opacity .15s}.btn:hover:not(:disabled){border-color:#c4c4c8;box-shadow:var(--shadow-sm);transform:translateY(-1px)}.btn:active:not(:disabled){transform:translateY(0)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--ink);border-color:var(--ink);color:#fff}.btn-primary:hover:not(:disabled){background:var(--ink-hover);border-color:var(--ink-hover)}.btn-danger{background:#fff;border-color:var(--border-strong);color:var(--red)}.btn-danger:hover:not(:disabled){border-color:var(--red);background:#fff5f5}.btn-ghost{background:transparent;border-color:var(--border-strong);color:var(--text-soft)}.btn-sm{padding:6px 12px;font-size:13px}.btn-row{display:flex;gap:10px;margin-top:10px;flex-wrap:wrap}.muted{color:var(--muted);font-weight:400}.alert{padding:11px 14px;border-radius:var(--radius-sm);margin-bottom:14px;font-size:14px;background:#fafafa;border:1px solid var(--border);border-left-width:3px;color:var(--text-soft);animation:fadeInUp .22s ease both}.alert-error{border-left-color:var(--red);color:#991b1b}.alert-success{border-left-color:var(--green);color:#166534}.alert-warning{border-left-color:#d97706;color:#92400e}.timer-card{text-align:center}.timer-label{color:var(--muted);font-weight:600;font-size:12.5px;text-transform:uppercase;letter-spacing:.7px;margin-bottom:6px}.timer{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:68px;font-weight:800;letter-spacing:2px;line-height:1.05;transition:color .4s ease}.timer-red{color:var(--red)}.timer-green{color:var(--green)}.timer-since{margin:8px 0 18px;font-size:13.5px}.timer-card .btn-row{justify-content:center}.timer-card .btn{min-width:130px;padding:12px 22px}.table{width:100%;border-collapse:separate;border-spacing:0;font-size:14px}.table th,.table td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--border)}.table th{color:var(--muted);font-weight:700;font-size:11.5px;text-transform:uppercase;letter-spacing:.5px}.table tbody tr{transition:background .12s}.table tbody tr:hover{background:#fafafa}.table tbody tr:last-child td{border-bottom:0}.row-actions{display:flex;gap:6px}.badge{display:inline-block;padding:3px 10px;border-radius:999px;background:#f1f1f2;color:#3f3f46;font-size:12px;font-weight:700;letter-spacing:.2px;border:1px solid #e8e8ea}.badge-admin{background:var(--ink);color:#fff;border-color:var(--ink)}.badge-checked_in{background:#0a0a0a;color:#fff;border-color:#0a0a0a}.badge-checked_out{background:#f1f1f2;color:#52525b}.badge-absent{background:#fff;color:#a1a1aa}.st-in{background:#16a34a;color:#fff;border-color:#16a34a}.st-absent{background:#dc2626;color:#fff;border-color:#dc2626}.st-out-done{background:#ecfdf5;color:#15803d;border-color:#16a34a}.st-out-short{background:#fff1f2;color:#b91c1c;border-color:#dc2626}code{background:#f3f3f4;padding:1px 6px;border-radius:5px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;color:#18181b}.tabs{display:inline-flex;gap:4px;margin-bottom:18px;padding:4px;background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow-sm);flex-wrap:wrap}.tab{padding:8px 16px;border:0;border-radius:9px;background:transparent;color:var(--text-soft);font-weight:600;font-size:13.5px;cursor:pointer;transition:background .15s,color .15s}.tab:hover{background:#f3f3f4}.tab-active,.tab-active:hover{background:var(--ink);color:#fff}.admin-grid{display:grid;grid-template-columns:380px 1fr;gap:22px;align-items:start}.filters{display:flex;gap:12px;align-items:flex-end;margin-bottom:16px;flex-wrap:wrap}.filters label{margin-bottom:0}.checkbox-row{display:flex;align-items:center;gap:8px}.checkbox-row input[type=checkbox],.wfh-toggle input[type=checkbox]{display:inline-block;width:17px;height:17px;margin:0;accent-color:var(--ink);cursor:pointer}.wfh-toggle{display:inline-flex;margin:0}.ip-helper{background:#fafafa;border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px 16px;margin-bottom:14px;font-size:14px}.ip-helper code{font-size:13px}.ip-helper .row{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px solid var(--border)}.ip-helper .row:last-child{border-bottom:0}.divider{border:0;border-top:1px solid var(--border);margin:24px 0}.copy-field{display:flex;gap:8px;align-items:center;margin-top:6px}.copy-field input{margin-top:0}.copy-field .btn{flex:0 0 auto}.code-block{background:#0a0a0a;color:#e8e8e8;padding:14px 16px;border-radius:var(--radius-sm);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;line-height:1.55;white-space:pre-wrap;word-break:break-word;overflow-x:auto}.test-result h3{font-size:14px;margin:16px 0 6px}.list-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;background:#0a0a0a6b;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);display:flex;align-items:flex-start;justify-content:center;padding:48px 16px;overflow-y:auto;animation:fadeInUp .15s ease both}.modal{width:460px;max-width:95vw;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:24px}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.modal-close{background:none;border:0;font-size:26px;line-height:1;cursor:pointer;color:var(--muted);padding:0 4px}.modal-close:hover{color:var(--ink)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 820px){.admin-grid{grid-template-columns:1fr}.brand-sub{display:none}.timer{font-size:54px}.header{padding:12px 16px;gap:14px}.main{padding:22px 16px}}