.top-header{background-color:var(--bg-secondary) !important;width:100%;padding:12px 0;box-shadow:var(--shadow-sm);margin-bottom:20px;transition:background-color .3s ease}.top-header-content{display:flex;justify-content:space-between;align-items:center;padding-right:10px;position:relative}.logo{flex:0 0 auto;margin-left:20px}.logo a{color:var(--primary-color);font-size:24px;font-weight:bold;text-decoration:none;display:inline-flex;align-items:center;gap:8px;position:relative}.logo-icon{width:28px;height:28px;border-radius:6px}.logo-text{font-size:20px;font-weight:700;color:var(--primary-color);letter-spacing:-0.5px;white-space:nowrap}.logo a:hover .logo-icon{opacity:.8}.logo a:hover .logo-text{opacity:.8}@media(max-width: 768px){.logo a{gap:6px}.logo-icon{width:26px;height:26px}.logo-text{font-size:18px}}@media(max-width: 480px){.logo a{gap:4px}.logo-icon{width:24px;height:24px}.logo-text{font-size:16px}}.main-nav{margin-left:auto}.nav-actions{display:flex;align-items:center;gap:16px}.login-container{display:inline-block}.login-btn{background-color:var(--primary-color);color:white;padding:8px 10px;border-radius:4px;text-decoration:none;font-weight:500;border:none;cursor:pointer;transition:background-color .2s ease}.login-btn:hover{background-color:var(--primary-dark)}.user-info{display:flex;align-items:center;gap:8px;color:var(--primary-color)}.admin-link{background-color:#dc3545;color:white;padding:4px 10px;border-radius:4px;text-decoration:none;font-size:14px;margin-right:8px}.admin-link:hover{background-color:#c82333;color:white;text-decoration:none}.logout-btn{background-color:var(--primary-color);color:white;padding:6px 12px;border-radius:4px;border:none;cursor:pointer;font-size:14px;transition:background-color .2s ease}.logout-btn:hover{background-color:var(--primary-dark)}.avatar{width:32px;height:32px;border-radius:50%;object-fit:cover;display:inline-block;vertical-align:middle;border:2px solid var(--primary-light);background-color:var(--bg-color)}.header-center-upgrade{position:absolute;left:50%;transform:translateX(-50%);z-index:10}.upgrade-button{display:inline-flex;align-items:center;padding:6px 12px;background:linear-gradient(135deg, #667eea 0%, #764ba2 100%);color:white;text-decoration:none;border-radius:20px;font-size:13px;font-weight:600;box-shadow:0 2px 8px rgba(102, 126, 234, 0.3);transition:all .2s ease;border:1px solid rgba(255, 255, 255, 0.2)}.upgrade-button:hover{background:linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);box-shadow:0 4px 12px rgba(102, 126, 234, 0.4);transform:translateY(-1px);color:white;text-decoration:none}.upgrade-text{color:white;font-weight:600;letter-spacing:.3px}.upgrade-icon{color:white;margin-right:4px;font-size:14px}@media(max-width: 768px){.header-center-upgrade{position:absolute;left:50%;transform:translateX(-50%);top:50%;transform:translate(-50%, -50%);z-index:10}.top-header-content{flex-wrap:wrap;gap:8px;align-items:center;position:relative}.logo{order:1;margin-left:10px}.main-nav{order:3;margin-left:auto}.upgrade-button{padding:6px 10px;font-size:12px;border-radius:16px}.nav-actions{gap:8px}}@media(max-width: 480px){.logo{margin-left:8px}.header-center-upgrade{position:absolute;left:50%;z-index:10}.upgrade-button{padding:5px 8px;font-size:11px;border-radius:14px}.nav-actions{gap:6px}.login-btn{padding:8px 10px;font-size:13px}}.notif-bell{position:relative;display:inline-flex;align-items:center}.notif-bell__button{position:relative;display:inline-flex;align-items:center;justify-content:center;background:transparent;border:none;padding:6px 8px;cursor:pointer;color:var(--text-color, #333);border-radius:4px;line-height:1}.notif-bell__button:hover{background-color:rgba(0, 0, 0, 0.05)}.notif-bell__icon{display:block}.notif-bell__badge{position:absolute;top:0;right:0;min-width:18px;height:18px;padding:0 4px;border-radius:9px;background-color:var(--primary-color, #4f46e5);color:#fff;font-size:10px;font-weight:700;line-height:18px;text-align:center;border:1.5px solid #fff}.notif-panel{position:absolute;top:calc(100% + 6px);right:0;width:360px;max-width:calc(100vw - 24px);max-height:70vh;display:flex;flex-direction:column;background-color:#fff;border:1px solid rgba(0, 0, 0, 0.08);border-radius:8px;box-shadow:0 12px 32px rgba(0, 0, 0, 0.18);z-index:1100;overflow:hidden}.notif-panel__header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid rgba(0, 0, 0, 0.06)}.notif-panel__title{font-weight:700;font-size:14px;color:var(--text-color, #333)}.notif-panel__mark-all{background:transparent;border:none;color:var(--primary-color, #4f46e5);font-size:12px;font-weight:600;cursor:pointer;padding:4px 6px;border-radius:4px}.notif-panel__mark-all:hover{background-color:rgba(79, 70, 229, 0.08)}.notif-panel__list{list-style:none;margin:0;padding:0;overflow-y:auto}.notif-panel__status{padding:24px;text-align:center;color:rgba(0, 0, 0, 0.6);font-size:13px}.notif-panel__status--error{color:#c0392b}.notif-panel__empty{padding:28px 20px;text-align:center}.notif-panel__empty-title{font-weight:600;font-size:14px;margin-bottom:6px;color:var(--text-color, #333)}.notif-panel__empty-body{font-size:12px;color:rgba(0, 0, 0, 0.55);line-height:1.4}.notif-row{display:flex;align-items:flex-start;gap:10px;padding:12px 16px;cursor:pointer;border-bottom:1px solid rgba(0, 0, 0, 0.05)}.notif-row:hover{background-color:rgba(0, 0, 0, 0.03)}.notif-row--unread{background-color:rgba(79, 70, 229, 0.06)}.notif-row__dot{width:8px;height:8px;border-radius:4px;background-color:transparent;margin-top:6px;flex-shrink:0}.notif-row--unread .notif-row__dot{background-color:var(--primary-color, #4f46e5)}.notif-row__body{flex:1;min-width:0}.notif-row__title{font-weight:600;font-size:13px;color:var(--text-color, #333);margin-bottom:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.notif-row__text{font-size:12px;color:rgba(0, 0, 0, 0.7);line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.notif-row__time{margin-top:4px;font-size:11px;color:rgba(0, 0, 0, 0.45)}@media(max-width: 600px){.notif-panel{width:320px;right:-8px}}