/* ============================================
   设置面板样式
   ============================================ */

/* 遮罩层 */
.settings-mask {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    animation: fadeIn 0.3s ease-in-out;
}

/* 面板容器 */
.settings-container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    background: var(--bg-secondary, #1e1e1e);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    animation: slideUp 0.3s ease-out;
    overflow: hidden;
}

/* 响应式调整 */
@media (max-width: 600px) {
    .settings-container {
        width: 95%;
        max-width: 100%;
        max-height: 90vh;
        border-radius: 0;
    }
}

/* 顶部标题栏 */
.settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-color, #333);
    background: var(--bg-primary, #121212);
}

.settings-title {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary, #fff);
}

.settings-close-btn {
    background: none;
    border: none;
    color: var(--text-secondary, #aaa);
    font-size: 24px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.2s;
}

.settings-close-btn:hover {
    background: var(--bg-hover, #333);
    color: var(--text-primary, #fff);
}

/* 内容区域 */
.settings-content {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    scroll-behavior: smooth;
}

/* 设置分组 */
.settings-section {
    margin-bottom: 30px;
}

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

.section-title {
    margin: 0 0 16px 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary, #fff);
    padding-bottom: 8px;
    border-bottom: 2px solid var(--accent-color, #007AFF);
}

/* 单个设置项 */
.settings-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color, #333);
}

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

/* 垂直布局的设置项（用于按钮组） */
.settings-item-vertical {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
}

.settings-label {
    color: var(--text-primary, #fff);
    font-size: 14px;
    font-weight: 500;
    flex: 1;
}

/* 图形按钮组 */
.settings-button-group {
    display: flex;
    gap: 8px;
    width: 100%;
}

.settings-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 12px 8px;
    background: var(--bg-tertiary, #2a2a2a);
    border: 2px solid var(--border-color, #444);
    border-radius: 8px;
    color: var(--text-primary, #fff);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 13px;
}

.settings-btn:hover {
    background: var(--bg-hover, #333);
    border-color: var(--accent-color, #007AFF);
    transform: translateY(-2px);
}

.settings-btn.active {
    background: var(--accent-color, #007AFF);
    border-color: var(--accent-color, #007AFF);
    color: #fff;
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
}

.settings-btn .btn-icon {
    font-size: 24px;
    line-height: 1;
}

.settings-btn .btn-label {
    font-size: 12px;
    font-weight: 500;
}

@media (max-width: 400px) {
    .settings-btn {
        padding: 10px 6px;
    }
    
    .settings-btn .btn-icon {
        font-size: 20px;
    }
    
    .settings-btn .btn-label {
        font-size: 11px;
    }
}

/* 下拉选择框 */
.settings-select {
    padding: 8px 12px;
    background: var(--bg-tertiary, #2a2a2a);
    color: var(--text-primary, #fff);
    border: 1px solid var(--border-color, #444);
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    min-width: 150px;
}

.settings-select:hover {
    border-color: var(--accent-color, #007AFF);
}

.settings-select:focus {
    outline: none;
    border-color: var(--accent-color, #007AFF);
    box-shadow: 0 0 0 2px rgba(0, 122, 255, 0.2);
}

/* 音量滑块 */
.settings-volume {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.volume-slider {
    flex: 1;
    height: 6px;
    border-radius: 3px;
    background: var(--bg-tertiary, #2a2a2a);
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-color, #007AFF);
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.volume-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-color, #007AFF);
    border: none;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.volume-value {
    color: var(--text-secondary, #aaa);
    font-size: 13px;
    min-width: 40px;
    text-align: right;
}

/* 开关切换 */
.settings-toggle {
    display: flex;
    align-items: center;
}

.toggle-checkbox {
    display: none;
}

.toggle-label {
    position: relative;
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
    gap: 8px;
}

.toggle-switch {
    position: relative;
    width: 48px;
    height: 28px;
    background: var(--bg-tertiary, #2a2a2a);
    border: 1px solid var(--border-color, #444);
    border-radius: 14px;
    transition: all 0.3s;
}

.toggle-switch::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 22px;
    height: 22px;
    background: #fff;
    border-radius: 12px;
    transition: all 0.3s;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.toggle-checkbox:checked + .toggle-label .toggle-switch {
    background: var(--accent-color, #007AFF);
    border-color: var(--accent-color, #007AFF);
}

.toggle-checkbox:checked + .toggle-label .toggle-switch::after {
    left: 24px;
}

.toggle-text {
    font-size: 13px;
    color: var(--text-secondary, #aaa);
    font-weight: 500;
}

.toggle-on,
.toggle-off {
    display: none;
}

.toggle-checkbox:checked + .toggle-label .toggle-on {
    display: inline;
    color: var(--accent-color, #007AFF);
}

.toggle-checkbox:not(:checked) + .toggle-label .toggle-off {
    display: inline;
    color: var(--text-secondary, #aaa);
}

/* 底部操作栏 */
.settings-footer {
    display: flex;
    gap: 12px;
    padding: 16px 20px;
    border-top: 1px solid var(--border-color, #333);
    background: var(--bg-primary, #121212);
}

.settings-btn {
    flex: 1;
    padding: 10px 16px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.settings-btn-save {
    background: var(--accent-color, #007AFF);
    color: #fff;
}

.settings-btn-save:hover {
    background: var(--accent-color-hover, #0051d5);
    box-shadow: 0 4px 8px rgba(0, 122, 255, 0.3);
}

.settings-btn-reset {
    background: var(--bg-tertiary, #2a2a2a);
    color: var(--text-primary, #fff);
    border: 1px solid var(--border-color, #444);
}

.settings-btn-reset:hover {
    background: var(--border-color, #444);
    border-color: var(--accent-color, #007AFF);
}

/* 动画 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translate(-50%, -40%);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

/* 深色主题 (默认) */
:root {
    --bg-primary: #121212;
    --bg-secondary: #1e1e1e;
    --bg-tertiary: #2a2a2a;
    --bg-hover: #333;
    --text-primary: #fff;
    --text-secondary: #aaa;
    --border-color: #333;
    --accent-color: #007AFF;
    --accent-color-hover: #0051d5;
}

/* 浅色主题 */
html[data-theme="light"] {
    --bg-primary: #f5f5f5;
    --bg-secondary: #fff;
    --bg-tertiary: #f0f0f0;
    --bg-hover: #e8e8e8;
    --text-primary: #000;
    --text-secondary: #666;
    --border-color: #ddd;
    --accent-color: #007AFF;
    --accent-color-hover: #0051d5;
}

/* 自动主题（根据系统偏好） */
@media (prefers-color-scheme: light) {
    html[data-theme="auto"] {
        --bg-primary: #f5f5f5;
        --bg-secondary: #fff;
        --bg-tertiary: #f0f0f0;
        --bg-hover: #e8e8e8;
        --text-primary: #000;
        --text-secondary: #666;
        --border-color: #ddd;
    }
}

@media (prefers-color-scheme: dark) {
    html[data-theme="auto"] {
        --bg-primary: #121212;
        --bg-secondary: #1e1e1e;
        --bg-tertiary: #2a2a2a;
        --bg-hover: #333;
        --text-primary: #fff;
        --text-secondary: #aaa;
        --border-color: #333;
    }
}

/* 滚动条美化 */
.settings-content::-webkit-scrollbar {
    width: 6px;
}

.settings-content::-webkit-scrollbar-track {
    background: transparent;
}

.settings-content::-webkit-scrollbar-thumb {
    background: var(--border-color, #333);
    border-radius: 3px;
}

.settings-content::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color, #007AFF);
}
/* 禁用的设置部分 */
.settings-section.disabled {
    opacity: 0.5;
    pointer-events: none;
}

.settings-section.disabled .settings-label {
    color: var(--text-secondary, #999);
}

.settings-section.disabled input[type="checkbox"],
.settings-section.disabled input[type="range"],
.settings-section.disabled select {
    cursor: not-allowed;
    opacity: 0.6;
}