:root{--text:#1f2937;--text-muted:#6b7280;--bg:#fff;--bg-soft:#f9fafb;--border:#e5e7eb;--accent:#2563eb;--accent-hover:#1d4ed8;--success:#059669;--success-bg:#d1fae5;--warning:#d97706;--warning-bg:#fef3c7;--error:#dc2626;--error-bg:#fee2e2;--in:#059669;--out:#2563eb;--mono:ui-monospace, Consolas, monospace;color:var(--text);background:var(--bg-soft);-webkit-font-smoothing:antialiased;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.5}@media (prefers-color-scheme:dark){:root{--text:#e5e7eb;--text-muted:#9ca3af;--bg:#0f172a;--bg-soft:#020617;--border:#1e293b;--accent:#60a5fa;--in:#34d399;--out:#60a5fa}}*{box-sizing:border-box}body{min-height:100svh;margin:0}#root{min-height:100svh}.app{background:var(--bg);border-inline:1px solid var(--border);flex-direction:column;max-width:720px;min-height:100svh;margin:0 auto;display:flex}.app-header{border-bottom:1px solid var(--border);background:var(--bg);justify-content:space-between;align-items:center;padding:16px 20px;display:flex;position:sticky;top:0}.app-logo{align-items:center;text-decoration:none;display:flex}.app-logo img{width:auto;height:40px;display:block}@media (width<=480px){.app-logo img{height:32px}}.app-nav{align-items:center;gap:16px;display:flex}.app-nav a{color:var(--accent);font-weight:500;text-decoration:none}.app-nav a:hover{text-decoration:underline}.app-signout{border:1px solid var(--border);color:var(--text-muted);cursor:pointer;background:0 0;border-radius:6px;padding:4px 10px;font-size:13px}.app-signout:hover{background:var(--bg-soft)}.app-main{flex:1;padding:24px 20px}.app-footer{color:var(--text-muted);text-align:center;border-top:1px solid var(--border);padding:12px 20px;font-size:12px}.punch-page{flex-direction:column;align-items:center;gap:16px;display:flex}.clock{font-family:var(--mono);letter-spacing:-1px;color:var(--text);font-size:56px;font-weight:600}.clock-date{color:var(--text-muted);font-size:14px}.location-info{background:var(--bg-soft);border:1px solid var(--border);border-radius:8px;margin-top:8px;padding:8px 16px;font-size:14px}.punch-buttons{grid-template-columns:1fr 1fr;gap:16px;width:100%;max-width:480px;margin-top:16px;display:grid}.punch-btn{color:#fff;cursor:pointer;border:none;border-radius:16px;padding:32px 16px;font-size:24px;font-weight:600;transition:opacity .15s,transform 50ms}.punch-btn:disabled{opacity:.5;cursor:not-allowed}.punch-btn:not(:disabled):hover{opacity:.9}.punch-btn:not(:disabled):active{transform:scale(.98)}.punch-btn-in{background:var(--in)}.punch-btn-out{background:var(--out)}.msg{border-radius:8px;margin-top:8px;padding:10px 16px;font-size:14px}.msg-success{background:var(--success-bg);color:var(--success)}.msg-error{background:var(--error-bg);color:var(--error)}.msg-warning{background:var(--warning-bg);color:var(--warning)}.login-page{flex-direction:column;align-items:center;gap:12px;padding-top:16px;display:flex}.login-logo{width:180px;max-width:100%;height:auto;margin-bottom:4px}.login-page h2{margin:0;font-size:22px;font-weight:600}.login-lead{color:var(--text-muted);text-align:center;margin:0 0 8px;font-size:14px}.login-form{flex-direction:column;gap:12px;width:100%;max-width:360px;display:flex}.login-form input{border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:8px;padding:12px 14px;font-size:16px}.login-form input:focus{border-color:var(--accent);outline:none}.login-form button{color:#fff;background:var(--accent);cursor:pointer;border:none;border-radius:8px;padding:12px 16px;font-size:16px;font-weight:600}.login-form button:disabled{opacity:.5;cursor:not-allowed}.login-form button:not(:disabled):hover{background:var(--accent-hover)}.callback-page{justify-content:center;padding:40px;display:flex}.device-register-page{flex-direction:column;gap:16px;max-width:480px;margin:0 auto;padding-top:8px;display:flex}.device-register-page h2{color:var(--text);margin:0;font-size:22px;font-weight:600}.device-register-lead{color:var(--text-muted);margin:0;font-size:14px;line-height:1.6}.device-register-form{flex-direction:column;gap:16px;margin-top:8px;display:flex}.device-register-form .field{flex-direction:column;gap:6px;display:flex}.device-register-form label{color:var(--text);font-size:13px;font-weight:600}.device-register-form input{border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:8px;padding:12px 14px;font-family:inherit;font-size:16px}.device-register-form input:focus{border-color:var(--accent);outline:none}.device-register-form input:disabled{opacity:.6}.device-register-form .field small{color:var(--text-muted);font-size:12px}.device-register-btn{color:#fff;background:var(--accent);cursor:pointer;border:none;border-radius:8px;padding:14px 16px;font-family:inherit;font-size:16px;font-weight:600}.device-register-btn:disabled{opacity:.5;cursor:not-allowed}.device-register-btn:not(:disabled):hover{background:var(--accent-hover)}.device-register-footnote{background:var(--bg-soft);color:var(--text-muted);border-radius:8px;margin-top:16px;padding:12px;line-height:1.6}.device-register-footnote small{font-size:12px}.devices-page{flex-direction:column;gap:16px;display:flex}.devices-header{justify-content:space-between;align-items:center;gap:8px;display:flex}.devices-header h2{margin:0;font-size:20px;font-weight:600}.devices-add-btn{background:var(--accent);color:#fff;border-radius:8px;padding:8px 14px;font-size:14px;font-weight:600;text-decoration:none}.devices-add-btn:hover{background:var(--accent-hover)}.devices-meta{color:var(--text-muted);background:var(--bg-soft);border-radius:6px;padding:8px 12px;font-size:14px}.devices-meta strong{color:var(--text)}.devices-mode-tabs{border-bottom:1px solid var(--border);gap:4px;display:flex}.devices-mode-tab{color:var(--text-muted);cursor:pointer;background:0 0;border:none;padding:8px 14px;font-family:inherit;font-size:13px;font-weight:600;position:relative}.devices-mode-tab.is-active{color:var(--accent)}.devices-mode-tab.is-active:after{content:"";background:var(--accent);height:2px;position:absolute;bottom:-1px;left:12px;right:12px}.devices-list{flex-direction:column;gap:12px;display:flex}.device-card{border:1px solid var(--border);background:var(--bg);border-radius:10px;flex-direction:column;gap:10px;padding:14px;display:flex}.device-card.is-revoked{opacity:.65;background:var(--bg-soft)}.device-card-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:8px;display:flex}.device-card-title{color:var(--text);align-items:center;gap:8px;font-size:15px;display:flex}.device-card-icon{font-size:18px}.device-card-owner{color:var(--text-muted);font-size:12px}.device-card-meta{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:8px 16px;margin:0;font-size:12px;display:grid}.device-card-meta div{flex-direction:column;display:flex}.device-card-meta dt{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin:0;font-size:11px}.device-card-meta dd{color:var(--text);margin:2px 0 0}.device-card-actions{gap:8px;display:flex}.device-btn{cursor:pointer;border-radius:6px;padding:8px 12px;font-family:inherit;font-size:13px;font-weight:600}.device-btn:disabled{opacity:.5;cursor:not-allowed}.device-btn-revoke{background:var(--warning-bg);color:var(--warning);border:1px solid var(--warning)}.device-btn-revoke:not(:disabled):hover{background:var(--warning);color:#fff}.device-btn-delete{color:var(--error);border:1px solid var(--error);background:0 0}.device-btn-delete:not(:disabled):hover{background:var(--error);color:#fff}.note{background:var(--warning-bg);color:var(--warning);text-align:center;border-radius:8px;margin-top:24px;padding:12px;font-size:13px}.admin-page h2{margin:0 0 16px;font-size:20px;font-weight:600}.admin-tabs{border-bottom:1px solid var(--border);-webkit-overflow-scrolling:touch;gap:4px;margin-bottom:16px;display:flex;overflow-x:auto}.admin-tab{color:var(--text-muted);cursor:pointer;white-space:nowrap;background:0 0;border:none;align-items:center;gap:6px;padding:10px 16px;font-family:inherit;font-size:14px;font-weight:600;display:inline-flex;position:relative}.admin-tab:hover{color:var(--text)}.admin-tab.is-active{color:var(--accent)}.admin-tab.is-active:after{content:"";background:var(--accent);height:2px;position:absolute;bottom:-1px;left:12px;right:12px}.admin-tab-badge{background:var(--error);color:#fff;text-align:center;border-radius:10px;min-width:20px;height:20px;padding:0 6px;font-size:11px;font-weight:700;line-height:20px;display:inline-block}.approvals-list{flex-direction:column;gap:12px;display:flex}.approval-card{border:1px solid var(--border);background:var(--bg);border-radius:10px;flex-direction:column;gap:8px;padding:14px;display:flex}.approval-card-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:8px;display:flex}.approval-card-title{color:var(--text);font-size:15px;font-weight:600}.approval-card-time{color:var(--text-muted);font-size:12px}.approval-card-body{color:var(--text-muted);font-size:14px;line-height:1.65}.approval-card-body strong{color:var(--text);font-weight:600}.approval-card-actions{gap:8px;margin-top:4px;display:flex}.approval-btn{color:#fff;cursor:pointer;border:none;border-radius:8px;flex:1;padding:10px 12px;font-family:inherit;font-size:14px;font-weight:600;transition:opacity .15s}.approval-btn:disabled{opacity:.5;cursor:not-allowed}.approval-btn:not(:disabled):hover{opacity:.9}.approval-btn-approve{background:var(--success)}.approval-btn-reject{background:var(--error)}.admin-toast{z-index:100;border-radius:999px;padding:10px 20px;font-size:14px;font-weight:500;animation:.2s toast-in;position:fixed;bottom:24px;left:50%;transform:translate(-50%);box-shadow:0 4px 12px #00000026}.admin-toast-success{background:var(--success);color:#fff}.admin-toast-error{background:var(--error);color:#fff}@keyframes toast-in{0%{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%)}}.punches-table{border-collapse:collapse;width:100%;font-size:14px}.punches-table th,.punches-table td{text-align:left;border-bottom:1px solid var(--border);padding:10px 8px}.punches-table th{background:var(--bg-soft);color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-size:12px;font-weight:600}.mono{font-family:var(--mono);font-size:13px}.badge{border-radius:12px;padding:2px 8px;font-size:12px;font-weight:500;display:inline-block}.badge-in{background:var(--success-bg);color:var(--success)}.badge-out{color:var(--out);background:#dbeafe}.badge-approved{background:var(--success-bg);color:var(--success)}.badge-pending{background:var(--warning-bg);color:var(--warning)}.badge-rejected{background:var(--error-bg);color:var(--error)}