/* Page-specific styles from userCenter.html */
/* 页面特有样式；设计系统见 collectx.css */
        .page-shell--full > .container {
            padding: 0;
        }

        .page-shell--full .content-area.user-center-page {
            border-radius: 0;
            border-left: none;
            border-right: none;
            min-height: calc(100vh - var(--nav-height, 56px));
        }

        .user-center-page .page-header-compact {
            margin: -30px -30px 24px;
            border-radius: 16px 16px 0 0;
        }
        
        .header h1 {
            font-size: 2em;
            margin: 0;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 12px;
            font-family: 'JetBrains Mono', monospace;
        }
        
        .header-right {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        
        .balance-display {
            background: rgba(0, 0, 0, 0.2);
            border-radius: 12px;
            padding: 12px 20px;
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 4px;
        }
        
        .balance-label {
            font-size: 0.85em;
            opacity: 0.9;
        }
        
        .balance-value {
            font-size: 1.5em;
            font-weight: 700;
            font-family: 'JetBrains Mono', monospace;
        }
        
        .profile-grid {
            display: grid;
            grid-template-columns: 3fr 7fr;
            gap: 30px;
            margin-bottom: 30px;
        }
        
        .profile-card {
            background: var(--bg-card);
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border-color);
        }
        
        .profile-card-header {
            background: var(--color-surface-2);
            color: var(--color-text-1);
            padding: 20px 25px;
            border-bottom: 1px solid var(--color-border);
        }
        
        .profile-card-header h3 {
            font-size: 1.2em;
            font-weight: 600;
            margin: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .profile-card-body {
            padding: 25px;
        }
        
        .user-avatar {
            text-align: center;
            margin-bottom: 20px;
        }
        
        .avatar-icon {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-purple) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.5em;
            margin: 0 auto 15px;
            box-shadow: 0 8px 30px rgba(0, 217, 255, 0.3);
        }
        
        .user-name {
            font-size: 1.4em;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        
        .user-role {
            color: var(--text-secondary);
            font-size: 14px;
            background: var(--bg-secondary);
            padding: 6px 12px;
            border-radius: 20px;
            display: inline-block;
            border: 1px solid var(--border-color);
        }
        
        .info-group {
            margin-bottom: 20px;
        }
        
        .info-label {
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 8px;
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        
        .info-value {
            color: var(--text-primary);
            background: var(--bg-secondary);
            padding: 12px 16px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            font-size: 14px;
        }
        
        .action-buttons {
            display: flex;
            gap: 15px;
            margin-top: 25px;
        }
        
        .btn {
            padding: 12px 24px;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-size: 14px;
            font-weight: 600;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            font-family: inherit;
        }
        
        .btn-primary {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            color: var(--bg-primary);
            box-shadow: 0 4px 15px rgba(0, 217, 255, 0.3);
        }
        
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 217, 255, 0.4);
        }
        
        .btn-secondary {
            background: var(--bg-card-hover);
            color: var(--text-primary);
            border: 1px solid var(--border-color);
        }
        
        .btn-secondary:hover {
            border-color: var(--border-hover);
            transform: translateY(-2px);
        }
        
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }
        
        .stat-card {
            background: var(--bg-secondary);
            padding: 18px;
            border-radius: 12px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }
        
        .stat-card:hover {
            transform: translateY(-4px);
            border-color: var(--accent-cyan);
            box-shadow: 0 8px 30px rgba(0, 217, 255, 0.1);
        }
        
        
        .stat-number {
            font-size: 1.6em;
            font-weight: 700;
            color: var(--accent-cyan);
            margin-bottom: 6px;
            font-family: 'JetBrains Mono', monospace;
        }
        
        .stat-label {
            color: var(--text-muted);
            font-size: 12px;
        }
        
        /* 图表模块样式 */
        .chart-controls {
            display: flex;
            gap: 8px;
            justify-content: flex-end;
            margin-bottom: 15px;
            align-items: center;
        }
        
        .chart-selector {
            padding: 8px 16px;
            border: 1px solid var(--accent-cyan);
            background: var(--bg-secondary);
            color: var(--text-primary);
            border-radius: 6px;
            cursor: pointer;
            font-size: 14px;
            font-weight: 500;
            transition: all 0.3s ease;
            min-width: 150px;
            outline: none;
            font-family: inherit;
        }
        
        .chart-selector:hover {
            border-color: var(--accent-blue);
        }
        
        .chart-selector:focus {
            box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1);
        }
        
        .chart-container {
            position: relative;
            height: 480px;
            margin: 0 auto;
            margin-top: 20px;
            background: var(--bg-secondary);
            border-radius: 8px;
            padding: 15px;
            border: 1px solid var(--border-color);
        }
        
        #apiChart {
            max-width: 100%;
            max-height: 100%;
        }
        
        /* 我的应用模块样式 */
        .my-apps-section {
            margin-top: 30px;
            margin-bottom: 40px;
        }
        
        .my-apps-header {
            background: var(--color-surface-2);
            color: var(--color-text-1);
            padding: 20px 25px;
            border-radius: 12px 12px 0 0;
            font-size: 1.05rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-sans);
            border-bottom: 1px solid var(--color-border);
        }

        .my-apps-header .section-head-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            margin-right: 10px;
            border-radius: 8px;
            background: rgba(10, 10, 15, 0.2);
            color: var(--bg-primary);
        }

        .my-apps-header .section-head-icon .cx-ico {
            width: 18px;
            height: 18px;
        }
        
        .my-apps-content {
            background: var(--bg-card);
            border-radius: 0 0 12px 12px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            border-top: none;
        }
        
        .apps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
            padding: 25px;
        }
        
        .app-card {
            background: var(--bg-secondary);
            border-radius: 12px;
            padding: 20px;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }
        
        .app-card:hover {
            transform: translateY(-2px);
            border-color: var(--accent-cyan);
            box-shadow: 0 8px 25px rgba(0, 217, 255, 0.1);
        }
        
        .api-count-badge {
            position: absolute;
            top: 10px;
            right: 10px;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
            color: var(--bg-primary);
            font-size: 0.9em;
            font-weight: 700;
            padding: 8px 12px;
            border-radius: 16px;
            box-shadow: 0 4px 15px rgba(0, 217, 255, 0.3);
            z-index: 10;
            pointer-events: none;
            min-width: 45px;
            text-align: center;
            font-family: 'JetBrains Mono', monospace;
        }
        
        .app-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
        }
        
        .app-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 15px;
        }
        
        .app-name {
            font-size: 1.1em;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 5px;
        }
        
        .app-platform {
            font-size: 12px;
            color: var(--accent-cyan);
            background: rgba(0, 217, 255, 0.1);
            padding: 2px 8px;
            border-radius: 10px;
            border: 1px solid rgba(0, 217, 255, 0.2);
        }
        
        .app-description {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.4;
            margin-bottom: 15px;
        }
        
        .app-ak {
            background: var(--bg-primary);
            padding: 10px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            font-family: 'JetBrains Mono', monospace;
            font-size: 12px;
            color: var(--text-secondary);
            word-break: break-all;
            margin-bottom: 15px;
        }
        
        .app-actions {
            display: flex;
            gap: 10px;
        }

        .folder-actions {
            display: flex;
            gap: 10px;
            margin-top: 12px;
        }
        
        .btn-small {
            padding: 6px 12px;
            font-size: 12px;
            border-radius: 6px;
        }
        
        .empty-apps {
            text-align: center;
            padding: 60px 20px;
            color: var(--text-muted);
        }
        
        .empty-apps::before {
            content: '🚀';
            display: block;
            font-size: 3em;
            margin-bottom: 15px;
            opacity: 0.5;
        }
        
        /* 模态框样式 */
        .modal {
            display: none;
            position: fixed;
            z-index: 1000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.8);
            backdrop-filter: blur(8px);
            justify-content: center;
            align-items: center;
        }
        
        .modal-content {
            background: var(--bg-card);
            margin: 5% auto;
            padding: 0;
            border-radius: 20px;
            width: 90%;
            max-width: 600px;
            overflow: hidden;
            box-shadow: 0 30px 80px rgba(0,0,0,0.5);
            border: 1px solid var(--border-color);
        }
        
        .modal-header {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
            color: var(--bg-primary);
            padding: 25px 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .modal-header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .modal-header h3 {
            margin: 0;
            font-size: 1.4em;
            font-weight: 700;
            font-family: 'JetBrains Mono', monospace;
        }
        
        .close-btn {
            color: var(--bg-primary);
            font-size: 20px;
            cursor: pointer;
            border-radius: 50%;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(0,0,0,0.15);
            transition: all 0.2s ease;
            border: none;
            font-weight: normal;
            line-height: 1;
        }
        
        .close-btn:hover {
            background: rgba(0,0,0,0.25);
            transform: scale(1.1);
        }
        
        .modal-body {
            padding: 30px;
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--text-secondary);
            font-size: 14px;
        }
        
        .form-group input {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 14px;
            transition: all 0.3s ease;
            background: var(--bg-secondary);
            color: var(--text-primary);
            font-family: inherit;
        }
        
        .form-group input:focus {
            border-color: var(--accent-cyan);
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1);
        }
        
        .modal-footer {
            display: flex;
            gap: 15px;
            justify-content: flex-end;
            padding: 20px 30px;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
        }
        
        /* 应用详情弹窗样式 */
        .modal-content-wide {
            max-width: 1400px;
            width: 95%;
            max-height: 90vh;
            height: auto;
            min-height: 400px;
            display: flex;
            flex-direction: column;
            margin: 5vh auto;
        }
        
        .modal-content-wide .modal-header {
            padding: 12px 25px;
            flex-shrink: 0;
        }
        
        .modal-body-wide {
            display: flex;
            gap: 40px;
            padding: 25px 30px;
            align-items: flex-start;
            flex: 0 1 auto;
            overflow-y: auto;
            min-height: 0;
            max-height: calc(90vh - 100px);
        }
        
        .modal-left {
            flex: 1;
            min-width: 400px;
        }
        
        .modal-right {
            flex: 1;
            min-width: 500px;
        }
        
        .platform-info, .api-management {
            background: var(--bg-secondary);
            border-radius: 12px;
            padding: 25px;
            margin-bottom: 25px;
            border: 1px solid var(--border-color);
        }
        
        .platform-info h4, .api-management h4 {
            margin-bottom: 20px;
            color: var(--text-primary);
            font-size: 1.1em;
            font-weight: 600;
        }
        
        .api-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
        }
        
        .api-header h4 {
            margin: 0;
        }
        
        .info-item {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
            gap: 15px;
        }
        
        .info-item label {
            min-width: 90px;
            font-weight: 500;
            color: var(--text-muted);
            font-size: 0.95em;
        }
        
        .info-item span {
            flex: 1;
            color: var(--text-primary);
            font-size: 0.95em;
        }
        
        .info-item span.method-badge {
            flex: none;
        }
        
        .method-badge {
            padding: 4px 12px;
            border-radius: 12px;
            font-size: 0.75em;
            font-weight: 600;
            text-transform: uppercase;
            display: inline-block;
            min-width: auto;
            text-align: center;
            line-height: 1;
        }
        
        .method-badge[data-method="GET"] { 
            background: rgba(16, 185, 129, 0.2); 
            color: var(--accent-green); 
            border: 1px solid rgba(16, 185, 129, 0.3);
        }
        .method-badge[data-method="POST"] { 
            background: rgba(0, 217, 255, 0.2); 
            color: var(--accent-cyan); 
            border: 1px solid rgba(0, 217, 255, 0.3);
        }
        .method-badge[data-method="PUT"] { 
            background: rgba(245, 158, 11, 0.2); 
            color: var(--accent-orange); 
            border: 1px solid rgba(245, 158, 11, 0.3);
        }
        .method-badge[data-method="DELETE"] { 
            background: rgba(239, 68, 68, 0.2); 
            color: #ef4444; 
            border: 1px solid rgba(239, 68, 68, 0.3);
        }
        
        .btn-copy {
            background: var(--accent-blue);
            color: white;
            border: none;
            padding: 4px 8px;
            border-radius: 4px;
            cursor: pointer;
            font-size: 0.8em;
        }
        
        .btn-copy:hover {
            background: #0052cc;
        }
        
        .btn-copy-key {
            background: linear-gradient(135deg, var(--accent-green), #059669);
            color: white;
            border: none;
            padding: 6px 12px;
            border-radius: 6px;
            cursor: pointer;
            font-size: 0.85em;
            font-weight: 600;
            transition: all 0.2s;
            box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
        }
        
        .btn-copy-key:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
        }
        
        #apiSelect {
            width: 200px;
            padding: 10px 15px;
            border: 1px solid var(--accent-cyan);
            border-radius: 8px;
            font-size: 1em;
            font-weight: 500;
            background: var(--bg-secondary);
            color: var(--text-primary);
            transition: all 0.2s;
            font-family: inherit;
        }
        
        #apiSelect:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.2);
        }

        #apiSelect:disabled {
            background-color: var(--bg-card);
            color: var(--text-muted);
            border-color: var(--border-color);
            cursor: not-allowed;
            opacity: 0.6;
        }

        .api-controls {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-add-api {
            padding: 8px 16px;
            background: linear-gradient(135deg, var(--accent-green), #059669);
            color: white;
            border: none;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
            font-family: inherit;
        }

        .btn-add-api:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
        }

        .api-title-section {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .api-title-section h4 {
            margin: 0;
        }

        .api-status-badge {
            padding: 3px 8px;
            border-radius: 12px;
            font-size: 11px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .api-status-badge.owned {
            background: rgba(16, 185, 129, 0.2);
            color: var(--accent-green);
        }

        .api-status-badge.not-owned {
            background: rgba(239, 68, 68, 0.2);
            color: #ef4444;
        }
        
        .code-examples {
            background: var(--bg-secondary);
            border-radius: 12px;
            padding: 25px;
            border: 1px solid var(--border-color);
            height: fit-content;
            flex: 1;
        }
        
        .code-examples h4 {
            margin-bottom: 15px;
            color: var(--text-primary);
            font-size: 1.1em;
            font-weight: 600;
        }
        
        .language-tabs {
            display: flex;
            gap: 8px;
            margin-bottom: 20px;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 5px;
        }
        
        .lang-tab {
            padding: 10px 18px;
            border: none;
            background: transparent;
            cursor: pointer;
            font-size: 0.95em;
            color: var(--text-muted);
            border-bottom: 2px solid transparent;
            transition: all 0.2s;
            border-radius: 6px 6px 0 0;
            font-family: inherit;
        }
        
        .lang-tab:hover {
            background: var(--bg-card-hover);
            color: var(--text-primary);
        }
        
        .lang-tab.active {
            color: var(--accent-cyan);
            border-bottom-color: var(--accent-cyan);
            font-weight: 500;
        }
        
        .code-container {
            background: var(--bg-primary) !important;
            border-radius: 10px;
            padding: 0;
            margin-bottom: 20px;
            min-height: 400px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            flex: 1;
            position: relative;
        }
        
        .code-container pre {
            margin: 0 !important;
            padding: 25px !important;
            background: var(--bg-primary) !important;
            border-radius: 10px;
            overflow-x: auto;
            color: #e0e0e0 !important;
        }
        
        .code-container code {
            font-family: 'JetBrains Mono', 'Fira Code', monospace !important;
            font-size: 0.9em !important;
            line-height: 1.6 !important;
            color: #e0e0e0 !important;
            background: transparent !important;
        }
        
        .code-container .hljs {
            background: var(--bg-primary) !important;
            color: #e0e0e0 !important;
        }
        
        .btn-copy-code-top {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(0, 217, 255, 0.1);
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 217, 255, 0.3);
            padding: 6px 12px;
            border-radius: 6px;
            cursor: pointer;
            font-size: 0.8em;
            font-weight: 600;
            transition: all 0.2s;
            z-index: 10;
            font-family: inherit;
        }
        
        .btn-copy-code-top:hover {
            background: rgba(0, 217, 255, 0.2);
            transform: translateY(-1px);
        }

        /* 自定义滚动条 */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }

        ::-webkit-scrollbar-track {
            background: var(--bg-secondary);
            border-radius: 4px;
        }

        ::-webkit-scrollbar-thumb {
            background: var(--accent-cyan);
            border-radius: 4px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--accent-blue);
        }
        
        /* Toast 提示样式 */
        .toast-container {
            position: fixed;
            top: calc(var(--nav-height) + 12px);
            right: var(--space-5);
            z-index: 10000;
            pointer-events: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        
        .toast {
            background: var(--color-surface-2);
            color: var(--color-text-1);
            padding: 12px 16px;
            border-radius: var(--radius-md);
            font-size: 14px;
            font-weight: 500;
            border: 1px solid var(--color-border);
            border-left: 3px solid var(--color-success);
            box-shadow: var(--shadow-card);
            pointer-events: auto;
            animation: toastIn 0.3s ease-out;
        }
        
        .toast.toast-error {
            background: linear-gradient(135deg, #ef4444, #dc2626);
            box-shadow: 0 10px 40px rgba(239, 68, 68, 0.4);
        }
        
        .toast-icon {
            font-size: 24px;
        }
        
        .toast.fade-out {
            animation: toastOut 0.3s ease-in forwards;
        }
        
        @keyframes toastIn {
            from {
                opacity: 0;
                transform: scale(0.8);
            }
            to {
                opacity: 1;
                transform: scale(1);
            }
        }
        
        @keyframes toastOut {
            from {
                opacity: 1;
                transform: scale(1);
            }
            to {
                opacity: 0;
                transform: scale(0.8);
            }
        }
        
        /* 删除确认弹窗样式 */
        .confirm-modal {
            display: none;
            position: fixed;
            z-index: 10001;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(5px);
            justify-content: center;
            align-items: center;
        }
        
        .confirm-modal-content {
            background: var(--bg-card);
            border-radius: 16px;
            padding: 35px 40px;
            text-align: center;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
            border: 1px solid var(--border-color);
            animation: modalFadeIn 0.25s ease-out;
            max-width: 400px;
            width: 90%;
        }
        
        @keyframes modalFadeIn {
            from {
                opacity: 0;
                transform: scale(0.9) translateY(-20px);
            }
            to {
                opacity: 1;
                transform: scale(1) translateY(0);
            }
        }
        
        .confirm-modal-icon {
            font-size: 3em;
            margin-bottom: 15px;
        }
        
        .confirm-modal-title {
            font-size: 1.4em;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            font-family: 'Noto Sans SC', sans-serif;
        }
        
        .confirm-modal-message {
            color: var(--text-secondary);
            font-size: 1em;
            margin-bottom: 25px;
            line-height: 1.5;
        }
        
        .confirm-modal-buttons {
            display: flex;
            gap: 15px;
            justify-content: center;
        }
        
        .confirm-modal-buttons .btn {
            min-width: 100px;
            padding: 12px 24px;
        }
        
        .btn-danger {
            background: linear-gradient(135deg, #ef4444, #dc2626);
            color: white;
            box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
        }
        
        .btn-danger:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .container {
                padding: 15px;
            }
            
            .content-area {
                padding: 20px;
            }
            
            .header {
                flex-direction: column;
                gap: 15px;
                text-align: center;
                padding: 20px;
            }
            
            .header h1 {
                font-size: 1.8em;
            }
            
            .profile-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            
            .stats-grid {
                grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
                gap: 15px;
            }
            
            .action-buttons {
                flex-direction: column;
                gap: 12px;
            }
            
            .action-buttons .btn {
                width: 100%;
                justify-content: center;
            }
            
            .apps-grid {
                grid-template-columns: 1fr;
                gap: 15px;
                padding: 20px;
            }
        }
        
        @media (max-width: 480px) {
            .header h1 {
                font-size: 1.6em;
            }
            
            .profile-card-body {
                padding: 20px;
            }
            
            .avatar-icon {
                width: 60px;
                height: 60px;
                font-size: 2em;
            }
            
            .user-name {
                font-size: 1.2em;
            }
            
            .stats-grid {
                grid-template-columns: 1fr;
            }
            
            .stat-card {
                padding: 20px;
            }
        }