*,*:before,*:after{box-sizing:border-box}body{font-family:sans-serif;margin:0;padding:0;background:#f5f5f5;color:#222}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center}.auth-card{background:#fff;border:1px solid #e0e0e0;border-radius:8px;padding:36px 32px;width:100%;max-width:380px}.auth-card h1{margin:0 0 4px;font-size:20px;color:#6366f1}.auth-card h2{margin:0 0 24px;font-size:16px;font-weight:500;color:#555}.auth-card form{flex-direction:column}.auth-card form input{width:100%}.auth-card form button{width:100%;padding:9px;font-size:14px}.auth-error{color:#dc2626;font-size:13px;margin:0 0 12px;padding:8px 12px;background:#fef2f2;border:1px solid #fecaca;border-radius:4px}.auth-link{font-size:13px;color:#666;margin:16px 0 0;text-align:center}.auth-link a{color:#6366f1;text-decoration:none}.auth-link a:hover{text-decoration:underline}#app{max-width:720px;margin:0 auto;padding:24px 16px}header{display:flex;align-items:center;gap:16px;margin-bottom:24px;flex-wrap:wrap}h1{margin:0;font-size:22px}nav{display:flex;gap:8px}.user-info{margin-left:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:#555}.logout-btn{font-size:12px;padding:4px 10px;color:#dc2626;border-color:#fca5a5}.logout-btn:hover{background:#fef2f2}button{padding:6px 14px;font-size:13px;border:1px solid #ccc;border-radius:4px;background:#fff;cursor:pointer}button:hover{background:#f0f0f0}button:disabled{opacity:.6;cursor:not-allowed}button.active{background:#6366f1;color:#fff;border-color:#6366f1}form{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px;align-items:flex-start}input[type=text],input[type=number],input[type=datetime-local],input[type=email],input[type=password],select,textarea{padding:7px 10px;font-size:13px;border:1px solid #ccc;border-radius:4px;background:#fff;outline:none}input:focus,select:focus,textarea:focus{border-color:#6366f1}#subject-form input[type=text]{flex:1}#activity-form select,#activity-form input,#activity-form textarea{flex:1 1 180px}#activity-form textarea{resize:vertical}.form-actions{display:flex;gap:8px;width:100%}.mode-toggle{display:flex;gap:8px;margin-bottom:16px}.subject-item{background:#fff;border:1px solid #e0e0e0;border-radius:6px;margin-bottom:10px;overflow:hidden}.subject-row{display:flex;align-items:center;gap:10px;padding:10px 12px}.color-dot{width:14px;height:14px;border-radius:50%;flex-shrink:0}.subject-name{flex:1;font-weight:500}.subject-actions{display:flex;gap:6px}.contents-section{border-top:1px solid #eee;background:#fafafa;padding:12px}.content-form{display:flex;gap:8px;margin-bottom:10px}.content-form input[type=text]{flex:1}.content-form input[type=number]{width:110px}.content-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:6px}.content-list li{display:flex;align-items:center;gap:8px;font-size:13px}.content-list li span:first-child{flex:1}.time-badge{font-size:12px;color:#666;background:#eee;padding:2px 7px;border-radius:10px}.content-edit-form{display:flex;gap:6px;align-items:center;flex:1;margin:0}.content-edit-form input[type=text]{flex:1}.content-edit-form input[type=number]{width:90px}.activity-item{background:#fff;border:1px solid #e0e0e0;border-radius:6px;padding:12px;margin-bottom:10px}.activity-item.state-running{border-color:#22c55e;background:#f0fdf4}.activity-item.state-paused{border-color:#f59e0b;background:#fffbeb}.activity-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.subject-badge{color:#fff;font-size:12px;font-weight:600;padding:2px 10px;border-radius:10px}.type-badge{font-size:11px;padding:2px 8px;border-radius:10px;border:1px solid #ccc;text-transform:uppercase;letter-spacing:.5px}.type-badge.timed{border-color:#6366f1;color:#6366f1}.state-badge{font-size:11px;padding:2px 8px;border-radius:10px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.state-badge.running{background:#dcfce7;color:#16a34a;border:1px solid #86efac}.state-badge.paused{background:#fef3c7;color:#d97706;border:1px solid #fcd34d}.elapsed-display{font-size:20px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:2px;font-family:monospace;color:#16a34a}.btn-save{background:#6366f1;color:#fff;border-color:#6366f1}.btn-save:hover{background:#4f46e5}.content-label{font-weight:500}.activity-meta{font-size:12px;color:#666}.activity-actions{margin-left:auto;display:flex;gap:6px}.notes{width:100%;font-size:12px;color:#555;font-style:italic;margin-top:4px}