:root{--primary: #6366f1;--primary-dark: #4f46e5;--primary-deep: #4338ca;--accent: #0ea5e9;--accent-dark: #0284c7;--text: #1e293b;--muted: #94a3b8;--line: #e2e8f0;--field-bg: #f8fafc;--surface: #ffffff}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--text);-webkit-font-smoothing:antialiased}.screen{min-height:100%;display:flex;align-items:center;justify-content:center;padding:24px;background:linear-gradient(160deg,#eef2ff,#f1f5f9 55%,#e0f2fe)}.card{background:var(--surface);border-radius:20px;border:1px solid var(--line);box-shadow:0 20px 48px #1e293b1a}.btn{border:none;border-radius:12px;font-size:15px;font-weight:600;cursor:pointer;padding:13px 16px;transition:transform .05s ease,opacity .2s ease,box-shadow .2s ease,background .2s ease;color:#fff}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.6;cursor:default}.btn-primary{width:100%;background:linear-gradient(90deg,var(--primary) 0%,var(--primary-deep) 100%);box-shadow:0 8px 20px #4f46e547;letter-spacing:.2px}.btn-primary:hover:not(:disabled){box-shadow:0 10px 24px #4f46e55c}.login-card{width:100%;max-width:360px;padding:32px 28px 30px;text-align:center}.login-avatar{width:56px;height:56px;margin:0 auto 16px;border-radius:16px;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-deep) 100%);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 22px #6366f159}.login-title{margin:0;font-size:22px;font-weight:700;color:var(--text);letter-spacing:.2px}.login-subtitle{margin:6px 0 24px;font-size:13px;color:var(--muted)}.field{display:flex;align-items:center;gap:10px;background:var(--field-bg);border:1.5px solid var(--line);border-radius:12px;padding:0 12px;margin-bottom:14px;transition:border-color .15s ease,box-shadow .15s ease}.field:focus-within{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px #6366f11f}.field-icon{color:var(--muted);display:flex;align-items:center}.field:focus-within .field-icon{color:var(--primary)}.field input{flex:1;border:none;outline:none;background:transparent;padding:13px 0;font-size:15px;color:var(--text)}.field input::placeholder{color:#b6c0cf}.eye-btn{border:none;background:transparent;color:var(--muted);cursor:pointer;display:flex;align-items:center;padding:4px}.eye-btn:hover{color:var(--text)}.remember{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin:2px 0 20px;cursor:pointer}.remember input{accent-color:var(--primary);width:16px;height:16px}.error-msg{background:#fef2f2;color:#b91c1c;font-size:13px;border:1px solid #fecaca;border-radius:10px;padding:10px 12px;margin-bottom:14px;text-align:left}.home-card{width:100%;max-width:360px;overflow:hidden;padding:0}.home-header{display:flex;align-items:center;gap:12px;padding:20px;background:linear-gradient(120deg,var(--primary) 0%,var(--primary-deep) 100%);color:#fff}.home-avatar{width:44px;height:44px;border-radius:50%;background:#ffffff38;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:20px}.home-greet{display:flex;flex-direction:column;line-height:1.3}.home-greet .hi{font-size:12px;opacity:.85}.home-greet .name{font-size:18px;font-weight:700}.home-body{padding:22px 20px 26px}.time-row{display:flex;gap:14px;margin-bottom:20px}.time-box{flex:1;background:var(--field-bg);border:1px solid var(--line);border-radius:12px;padding:14px;text-align:center}.time-label{display:block;font-size:11px;letter-spacing:1px;color:var(--muted);margin-bottom:6px}.time-value{font-size:20px;font-weight:700;font-variant-numeric:tabular-nums}.time-value.in{color:var(--primary-dark)}.time-value.out{color:var(--accent-dark)}.action-row{display:flex;gap:14px;margin-bottom:18px}.action-row .btn{flex:1}.btn-checkin{background:linear-gradient(90deg,var(--primary) 0%,var(--primary-deep) 100%);box-shadow:0 8px 20px #4f46e540}.btn-checkout{background:linear-gradient(90deg,var(--accent) 0%,var(--accent-dark) 100%);box-shadow:0 8px 20px #0ea5e940}.toast{border-radius:10px;padding:12px 14px;font-size:13px;margin-bottom:18px;text-align:center}.toast-ok{background:#ecfdf5;color:#047857;border:1px solid #a7f3d0}.toast-err{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}.btn-logout{width:100%;background:#fff;color:var(--text);border:1.5px solid var(--line);box-shadow:none;font-weight:600}.btn-logout:hover{background:var(--field-bg);border-color:#cbd5e1}