/* 设置页面样式 */

.page-header {
    padding: var(--spacing-xl) var(--spacing-lg);
    background: linear-gradient(135deg, rgba(78, 205, 196, 0.1) 0%, rgba(78, 205, 196, 0.05) 100%);
    border-bottom: 1px solid var(--border-color);
}

.page-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.page-title::before {
    content: '';
    width: 4px;
    height: 28px;
    background: var(--primary-color);
    border-radius: 2px;
}

.megaphone-textarea {
    min-height: 100px;
    resize: vertical;
    line-height: 1.5;
}

.form-hint {
    margin-top: var(--spacing-xs);
    font-size: 12px;
    color: var(--text-secondary);
}

.settings-container {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl);
    height: calc(100vh - 100px);
    overflow: hidden;
}

/* 设置导航 */
.settings-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    background-color: var(--bg-card);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    height: fit-content;
}

.settings-nav .nav-item {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-normal);
    font-weight: 500;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    position: relative;
    overflow: hidden;
}

.settings-nav .nav-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background: var(--primary-color);
    border-radius: 0 2px 2px 0;
    transition: height var(--transition-normal);
}

.settings-nav .nav-item:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.settings-nav .nav-item:hover::before {
    height: 50%;
}

.settings-nav .nav-item.active {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(78, 205, 196, 0.3);
}

.settings-nav .nav-item.active::before {
    height: 0;
}

/* 设置内容 */
.settings-content {
    overflow-y: auto;
    padding-right: var(--spacing-sm);
}

.settings-content::-webkit-scrollbar {
    width: 6px;
}

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

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

.settings-content::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.tab-content.active {
    display: block;
}

.card {
    background-color: var(--bg-card);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
    transition: box-shadow var(--transition-normal);
}

.card:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, rgba(255,255,255,0.02) 0%, rgba(255,255,255,0) 100%);
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.card-title::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
}

/* 表单样式 */
.settings-form {
    padding: var(--spacing-xl);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-input,
.form-select {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--bg-panel);
    color: var(--text-primary);
    font-size: 14px;
    transition: all var(--transition-normal);
}

.form-input:hover,
.form-select:hover {
    border-color: var(--text-muted);
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(78, 205, 196, 0.15);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    cursor: pointer;
    color: var(--text-primary);
    padding: var(--spacing-sm) 0;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--primary-color);
    cursor: pointer;
}

/* 按钮样式 */
.btn {
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--border-radius);
    border: none;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(78, 205, 196, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(78, 205, 196, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background-color: var(--bg-hover);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--border-color);
    border-color: var(--text-muted);
}

.btn-danger {
    background: linear-gradient(135deg, var(--error) 0%, #dc2626 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(239, 68, 68, 0.4);
}

/* 网络状态 */
.network-status {
    padding: var(--spacing-xl);
}

.status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-color);
}

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

.status-label {
    color: var(--text-secondary);
    font-size: 14px;
}

.status-value {
    color: var(--text-primary);
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--bg-hover);
    border-radius: var(--border-radius-sm);
    font-size: 13px;
}

.status-value.connected {
    background-color: rgba(78, 205, 196, 0.15);
    color: var(--primary-color);
}

.status-value.disconnected {
    background-color: rgba(239, 68, 68, 0.15);
    color: var(--error);
}

/* 数据管理 */
.data-management {
    padding: var(--spacing-lg);
}

.action-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    background-color: var(--bg-panel);
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-normal);
}

.action-item:last-child {
    margin-bottom: 0;
}

.action-item:hover {
    background-color: var(--bg-hover);
}

.action-item h4 {
    margin: 0 0 var(--spacing-xs) 0;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.action-item p {
    margin: 0;
    font-size: 13px;
    color: var(--text-muted);
}

/* 系统信息 */
.system-info {
    padding: var(--spacing-xl);
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    border-bottom: 1px dashed var(--border-color);
}

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

.info-label {
    color: var(--text-secondary);
    font-size: 14px;
}

.info-value {
    color: var(--primary-color);
    font-weight: 600;
    font-family: 'Monaco', 'Consolas', monospace;
}

/* 技术支持 */
.support-info {
    padding: var(--spacing-xl);
    color: var(--text-secondary);
    line-height: 1.8;
    text-align: center;
}

.support-info p {
    margin: 0;
}

/* 响应式 */
@media (max-width: 768px) {
    .settings-container {
        grid-template-columns: 1fr;
        height: auto;
    }
    
    .settings-nav {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: var(--spacing-sm);
    }
    
    .settings-nav .nav-item {
        white-space: nowrap;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* ==================== 移动端适配 ==================== */
/* 涵盖竖屏手机、横屏手机以及小尺寸平板 */
@media (max-width: 768px), (max-height: 600px) {
    /* 强制开启全局滚动，解决手机端无法滑动的问题 */
    html, body {
        overflow-y: auto !important;
        height: auto !important;
        -webkit-overflow-scrolling: touch;
    }

    /* 强制显示滚动条样式，确保用户感知可滑动 */
    ::-webkit-scrollbar {
        -webkit-appearance: none;
        width: 6px;
        height: 6px;
        display: block !important;
    }
    ::-webkit-scrollbar-thumb {
        background-color: rgba(255, 255, 255, 0.4);
        border-radius: 4px;
    }
    ::-webkit-scrollbar-track {
        background: transparent;
    }

    .app-container {
        height: auto !important;
        display: block !important;
        overflow: visible !important;
    }

    .main-content {
        height: auto !important;
        overflow: visible !important;
        padding-bottom: 100px !important; /* 给底部导航栏留出空间 */
    }
    
    /* 覆盖 main.css 中可能存在的限制 */
    .app-container .main-content {
        overflow: visible !important;
        height: auto !important;
    }

    .settings-container {
        display: flex;
        flex-direction: column;
        height: auto !important;
        overflow: visible !important; 
        padding: var(--spacing-md);
    }

    .settings-nav {
        flex-direction: row;
        overflow-x: auto;
        scrollbar-width: none; 
        -ms-overflow-style: none;
        flex-shrink: 0;
        margin-bottom: var(--spacing-md);
        position: sticky;
        top: 0;
        z-index: 10;
        background-color: var(--bg-dark);
        padding-top: var(--spacing-sm);
        padding-bottom: var(--spacing-sm);
        border-bottom: 1px solid var(--border-color);
    }
    
    .settings-nav::-webkit-scrollbar {
        display: none;
    }

    .settings-nav .nav-item {
        white-space: nowrap;
        text-align: center;
        flex: 0 0 auto;
        padding: var(--spacing-sm) var(--spacing-lg);
    }

    .settings-content {
        overflow-y: visible !important;
        height: auto !important;
    }
}

.megaphone-offline-card {
    margin-top: var(--spacing-lg);
}

.megaphone-offline-hint {
    margin: 0 var(--spacing-lg) var(--spacing-md);
}

.megaphone-offline-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-md);
    padding: 0 var(--spacing-lg) var(--spacing-md);
}

.megaphone-preset-list {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.megaphone-preset-empty {
    margin: 0;
    padding: var(--spacing-md) 0;
}

.megaphone-preset-item {
    display: grid;
    grid-template-columns: auto auto 1fr auto;
    gap: var(--spacing-sm) var(--spacing-md);
    align-items: center;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.02);
}

.megaphone-preset-item.is-bound {
    border-color: var(--primary-color);
    background: rgba(78, 205, 196, 0.08);
}

.megaphone-preset-main {
    min-width: 0;
}

.megaphone-preset-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.megaphone-preset-text {
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.4;
    word-break: break-word;
}

.megaphone-preset-meta {
    color: var(--text-muted);
    font-size: 12px;
    margin-top: 4px;
}

.megaphone-preset-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.megaphone-preset-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11px;
    background: rgba(78, 205, 196, 0.18);
    color: var(--primary-color);
    margin-left: var(--spacing-xs);
}

@media (max-width: 768px) {
    .megaphone-preset-item {
        grid-template-columns: auto 1fr;
    }

    .megaphone-preset-actions {
        grid-column: 1 / -1;
    }
}