/* ==================== 设置页面样式 ==================== */

/* 页面头部 */
.page-header {
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.page-header-content h1 {
    font-size: 32px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.page-subtitle {
    font-size: 16px;
    color: var(--text-muted);
    max-width: 600px;
}

/* 设置网格 - 优化布局 */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 1400px;
}

/* 外观主题卡片 - 跨两列 */
.settings-card:has(.theme-grid) {
    grid-column: 1 / -1;
}

/* 账户设置卡片 - 跨两列 */
.settings-card:has(.settings-form) {
    grid-column: 1 / -1;
}

.settings-card {
    padding: 28px;
    background: var(--bg-card, rgba(30, 41, 59, 0.6));
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg, 16px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.settings-card:hover {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.settings-card .card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.settings-card .card-header i {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
}

.settings-card .card-header h3 {
    font-size: 18px;
    font-weight: 600;
}

/* 设置区块 */
.settings-section {
    margin-bottom: 32px;
}

.settings-section:last-child {
    margin-bottom: 0;
}

.settings-section h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.section-desc {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

/* 主题选择网格 - 响应式优化 */
.theme-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 16px;
}

.theme-option {
    position: relative;
    background: var(--bg-secondary);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    padding: 16px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.theme-option:hover {
    border-color: var(--border-color);
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.theme-option.active {
    border-color: var(--primary-color);
    background: rgba(14, 165, 233, 0.05);
}

.theme-preview {
    height: 80px;
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    position: relative;
    overflow: hidden;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.2);
}

.preview-bar {
    height: 8px;
    width: 60%;
    border-radius: 4px;
    margin: 12px;
}

.preview-circle {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    position: absolute;
    bottom: 10px;
    right: 10px;
}

/* 各主题预览色 */
.tech-blue-preview {
    background: linear-gradient(135deg, #0f172a, #1e293b);
}
.tech-blue-preview .preview-bar {
    background: linear-gradient(90deg, #0ea5e9, #6366f1);
}
.tech-blue-preview .preview-circle {
    background: #0ea5e9;
}

.cyber-purple-preview {
    background: linear-gradient(135deg, #1a0f2e, #2d1b4e);
}
.cyber-purple-preview .preview-bar {
    background: linear-gradient(90deg, #9333ea, #ec4899);
}
.cyber-purple-preview .preview-circle {
    background: #9333ea;
}

.emerald-green-preview {
    background: linear-gradient(135deg, #064e3b, #065f46);
}
.emerald-green-preview .preview-bar {
    background: linear-gradient(90deg, #10b981, #34d399);
}
.emerald-green-preview .preview-circle {
    background: #10b981;
}

.coral-orange-preview {
    background: linear-gradient(135deg, #7c2d12, #9a3412);
}
.coral-orange-preview .preview-bar {
    background: linear-gradient(90deg, #f97316, #fb923c);
}
.coral-orange-preview .preview-circle {
    background: #f97316;
}

.rose-pink-preview {
    background: linear-gradient(135deg, #881337, #9f1239);
}
.rose-pink-preview .preview-bar {
    background: linear-gradient(90deg, #f43f5e, #fb7185);
}
.rose-pink-preview .preview-circle {
    background: #f43f5e;
}

.midnight-dark-preview {
    background: linear-gradient(135deg, #000000, #1a1a1a);
}
.midnight-dark-preview .preview-bar {
    background: linear-gradient(90deg, #525252, #737373);
}
.midnight-dark-preview .preview-circle {
    background: #525252;
}

.sunset-gold-preview {
    background: linear-gradient(135deg, #451a03, #78350f);
}
.sunset-gold-preview .preview-bar {
    background: linear-gradient(90deg, #f59e0b, #fbbf24);
}
.sunset-gold-preview .preview-circle {
    background: #f59e0b;
}

.ocean-teal-preview {
    background: linear-gradient(135deg, #134e4a, #115e59);
}
.ocean-teal-preview .preview-bar {
    background: linear-gradient(90deg, #14b8a6, #2dd4bf);
}
.ocean-teal-preview .preview-circle {
    background: #14b8a6;
}

.theme-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.theme-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

.theme-badge {
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 4px;
    background: var(--primary-color);
    color: white;
}

.theme-check {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 10px;
    opacity: 0;
    transform: scale(0);
    transition: var(--transition);
}

.theme-option.active .theme-check {
    opacity: 1;
    transform: scale(1);
}

/* 模式选择器 */
.mode-selector {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.mode-btn {
    flex: 1;
    min-width: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px 16px;
    background: var(--bg-secondary);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.mode-btn i {
    font-size: 24px;
    transition: transform 0.3s ease;
}

.mode-btn span {
    font-size: 14px;
    font-weight: 500;
}

.mode-btn:hover {
    border-color: var(--border-color);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.mode-btn:hover i {
    transform: scale(1.1);
}

.mode-btn.active {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.1), rgba(99, 102, 241, 0.1));
    color: var(--primary-light);
    box-shadow: 0 4px 20px rgba(14, 165, 233, 0.2);
}

/* 设置表单 - 优化样式 */
.settings-form .form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.settings-form .form-group {
    margin-bottom: 24px;
}

.settings-form label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.settings-form input,
.settings-form textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 15px;
    font-family: inherit;
    transition: all 0.2s ease;
}

.settings-form input:focus,
.settings-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.15);
    background: rgba(15, 23, 42, 0.7);
}

.settings-form input:disabled {
    background: var(--bg-tertiary);
    color: var(--text-muted);
    cursor: not-allowed;
    opacity: 0.7;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.form-actions .btn {
    padding: 12px 28px;
    font-weight: 600;
}

/* 设置列表 */
.settings-list {
    display: flex;
    flex-direction: column;
}

.setting-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 0;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.2s ease;
}

.setting-item:last-child {
    border-bottom: none;
}

.setting-item.danger .setting-name {
    color: var(--error-color);
}

.setting-item.danger:hover {
    background: rgba(239, 68, 68, 0.05);
    border-radius: var(--radius-md);
    margin: 0 -12px;
    padding-left: 12px;
    padding-right: 12px;
}

.setting-info {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.setting-name {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-primary);
}

.setting-desc {
    font-size: 13px;
    color: var(--text-muted);
}

/* 开关切换 - 优化样式 */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 52px;
    height: 28px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-tertiary);
    transition: .3s;
    border-radius: 28px;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 22px;
    width: 22px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .3s cubic-bezier(0.34, 1.56, 0.64, 1);
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.toggle-switch input:checked + .toggle-slider {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(24px);
}

.toggle-switch input:focus + .toggle-slider {
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.2);
}

/* 语言列表 */
.language-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.language-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.language-option:hover {
    border-color: var(--border-color);
}

.language-option.active {
    border-color: var(--primary-color);
    background: rgba(14, 165, 233, 0.05);
}

.language-option input {
    display: none;
}

.lang-flag {
    font-size: 24px;
}

.lang-name {
    flex: 1;
    font-size: 14px;
    color: var(--text-primary);
}

.language-option .fa-check {
    color: var(--primary-color);
    opacity: 0;
    transition: var(--transition);
}

.language-option.active .fa-check {
    opacity: 1;
}

/* 按钮变体 - 优化样式 */
.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 500;
    border-radius: 8px;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.btn-outline:hover {
    border-color: var(--primary-color);
    color: var(--primary-light);
    background: rgba(14, 165, 233, 0.1);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    border: none;
    transition: all 0.2s ease;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    transition: all 0.2s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(14, 165, 233, 0.4);
}

/* 响应式 */
@media (max-width: 1024px) {
    .settings-grid {
        grid-template-columns: 1fr;
    }
    
    .settings-card:has(.theme-grid),
    .settings-card:has(.settings-form) {
        grid-column: 1;
    }
    
    .theme-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}

@media (max-width: 768px) {
    .settings-card {
        padding: 20px;
    }
    
    .theme-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .mode-selector {
        flex-direction: column;
    }
    
    .mode-btn {
        flex-direction: row;
        justify-content: center;
        padding: 14px;
    }
}

@media (max-width: 640px) {
    .settings-form .form-row {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .theme-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .settings-card .card-header {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .setting-item {
        flex-wrap: wrap;
        gap: 12px;
    }
}