/* ========================================
   千机量化 - 深海夜幕主题
   设计：天工
   ======================================== */

:root {
    /* 主色调 - 深海夜幕 */
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-tertiary: #1a2332;
    --bg-card: #151d2f;
    --bg-hover: #1e2a3f;
    
    /* 强调色 */
    --accent-primary: #00d9ff;
    --accent-secondary: #0066ff;
    --accent-gradient: linear-gradient(135deg, #00d9ff 0%, #0066ff 100%);
    
    /* 功能色 */
    --success: #00ff88;
    --success-bg: rgba(0, 255, 136, 0.1);
    --danger: #ff4757;
    --danger-bg: rgba(255, 71, 87, 0.1);
    --warning: #ffa502;
    --warning-bg: rgba(255, 165, 2, 0.1);
    
    /* 文字色 */
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-tertiary: #64748b;
    --text-muted: #475569;
    
    /* 边框色 */
    --border-color: #1e293b;
    --border-light: #334155;
    
    /* 阴影 */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(0, 217, 255, 0.15);
    
    /* 尺寸 */
    --sidebar-width: 260px;
    --sidebar-width-collapsed: 72px;
    --top-bar-height: 64px;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    
    /* 动画 */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

/* ========================================
   基础重置
   ======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    overflow: hidden;
}

/* ========================================
   应用容器
   ======================================== */

.app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
}

/* ========================================
   左侧导航栏
   ======================================== */

.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: width var(--transition-normal);
    z-index: 100;
}

.sidebar.collapsed {
    width: var(--sidebar-width-collapsed);
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 16px;
    border-bottom: 1px solid var(--border-color);
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-text {
    font-size: 18px;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
    transition: opacity var(--transition-fast);
}

.sidebar.collapsed .logo-text {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

.sidebar-toggle {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-toggle:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
}

.nav-section {
    margin-bottom: 24px;
}

.nav-section-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-tertiary);
    padding: 0 12px;
    margin-bottom: 8px;
    white-space: nowrap;
    overflow: hidden;
    transition: opacity var(--transition-fast);
}

.sidebar.collapsed .nav-section-title {
    opacity: 0;
    height: 0;
    margin: 0;
    padding: 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
    margin-bottom: 4px;
    white-space: nowrap;
}

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

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

.nav-item svg {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.nav-item span {
    transition: opacity var(--transition-fast);
}

.sidebar.collapsed .nav-item span {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border-color);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}

.user-details {
    transition: opacity var(--transition-fast);
}

.sidebar.collapsed .user-details {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

.user-name {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-primary);
}

.user-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ========================================
   主内容区
   ======================================== */

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--bg-primary);
}

/* ========================================
   顶部状态栏
   ======================================== */

.top-bar {
    height: var(--top-bar-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    flex-shrink: 0;
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--border-radius);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.breadcrumb-item.active {
    color: var(--text-primary);
    font-weight: 600;
}

.breadcrumb-separator {
    color: var(--text-tertiary);
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 24px;
}

.market-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.market-open {
    background: var(--success);
    animation: pulse 2s infinite;
}

.market-closed {
    background: var(--text-tertiary);
}

.quick-stats {
    display: flex;
    gap: 24px;
    padding: 0 24px;
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.stat-label {
    font-size: 11px;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 14px;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
}

.stat-value.positive {
    color: var(--success);
}

.stat-value.negative {
    color: var(--danger);
}

.top-bar-actions {
    display: flex;
    gap: 8px;
}

.icon-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border-light);
}

.icon-btn .badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--danger);
    color: white;
    font-size: 10px;
    font-weight: 600;
    padding: 2px 5px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

.icon-btn-sm {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.icon-btn-sm:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* ========================================
   页面内容
   ======================================== */

.page-content {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}

.page {
    display: none;
}

.page.active {
    display: block;
}

.page-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 60vh;
    color: var(--text-secondary);
}

.page-placeholder h2 {
    font-size: 28px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

/* ========================================
   仪表盘网格
   ======================================== */

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

/* ========================================
   指标卡片
   ======================================== */

.metric-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 20px;
    transition: all var(--transition-fast);
}

.metric-card:hover {
    border-color: var(--border-light);
    box-shadow: var(--shadow-glow);
}

.metric-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.metric-title {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.metric-icon {
    color: var(--accent-primary);
}

.metric-value {
    font-size: 28px;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: 8px;
}

.metric-change {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    font-weight: 600;
}

.metric-change.positive {
    color: var(--success);
}

.metric-change.negative {
    color: var(--danger);
}

.metric-subtitle {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-top: 4px;
}

/* ========================================
   通用卡片
   ======================================== */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: 16px;
    font-weight: 600;
}

.card-action {
    background: transparent;
    border: none;
    color: var(--accent-primary);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.card-action:hover {
    color: var(--accent-secondary);
}

.card-actions {
    display: flex;
    gap: 8px;
}

/* ========================================
   持仓列表
   ======================================== */

.positions-overview {
    grid-column: span 2;
}

.positions-list {
    padding: 12px 0;
}

.position-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    border-bottom: 1px solid var(--border-color);
    transition: background var(--transition-fast);
}

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

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

.position-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.position-symbol {
    font-weight: 600;
    font-size: 14px;
}

.position-amount {
    font-size: 12px;
    color: var(--text-secondary);
}

.position-value {
    text-align: right;
}

.value-main {
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: 4px;
}

.value-change {
    font-size: 12px;
    font-weight: 600;
}

.value-change.positive {
    color: var(--success);
}

.value-change.negative {
    color: var(--danger);
}

/* ========================================
   数据表格
   ======================================== */

.recent-trades {
    grid-column: span 2;
}

.market-quotes {
    grid-column: span 2;
}

.table-container {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th {
    text-align: left;
    padding: 12px 20px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
}

.data-table td {
    padding: 12px 20px;
    font-size: 13px;
    border-bottom: 1px solid var(--border-color);
}

.data-table tbody tr:hover {
    background: var(--bg-hover);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.symbol-cell {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.symbol-name {
    font-weight: 600;
}

.symbol-volume {
    font-size: 11px;
    color: var(--text-tertiary);
}

.price {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
}

.positive {
    color: var(--success);
}

.negative {
    color: var(--danger);
}

.badge-buy {
    background: var(--success-bg);
    color: var(--success);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
}

.badge-sell {
    background: var(--danger-bg);
    color: var(--danger);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
}

/* ========================================
   订单簿
   ======================================== */

.order-book {
    grid-column: span 4;
}

.order-book-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 20px;
    padding: 20px;
}

.order-book-side {
    display: flex;
    flex-direction: column;
}

.order-book-header {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 12px;
    padding: 8px 0;
    font-size: 11px;
    color: var(--text-tertiary);
    text-transform: uppercase;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 8px;
}

.order-book-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 12px;
    padding: 6px 0;
    font-size: 12px;
    font-family: 'JetBrains Mono', monospace;
}

.price-ask {
    color: var(--danger);
}

.price-bid {
    color: var(--success);
}

.order-book-current {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.current-price {
    font-size: 24px;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: 4px;
}

.price-change {
    font-size: 14px;
    font-weight: 600;
}

/* ========================================
   响应式设计
   ======================================== */

@media (max-width: 1400px) {
    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .positions-overview,
    .recent-trades,
    .market-quotes {
        grid-column: span 2;
    }
    
    .order-book {
        grid-column: span 2;
    }
}

@media (max-width: 1024px) {
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        height: 100vh;
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .quick-stats {
        display: none;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .positions-overview,
    .recent-trades,
    .market-quotes,
    .order-book {
        grid-column: span 1;
    }
}

/* ========================================
   滚动条样式
   ======================================== */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* ========================================
   工具类
   ======================================== */

.text-positive {
    color: var(--success);
}

.text-negative {
    color: var(--danger);
}

.text-accent {
    color: var(--accent-primary);
}

.bg-gradient {
    background: var(--accent-gradient);
}

/* ========================================
   导航菜单组样式（新增）
   ======================================== */

.nav-group {
    margin-bottom: 8px;
}

.nav-group-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    cursor: pointer;
    border-radius: 8px;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 14px;
    transition: all 0.2s;
    user-select: none;
}

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

.nav-group-header.active {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.nav-group-header .chevron {
    margin-left: auto;
    transition: transform 0.2s;
}

.nav-group-header.expanded .chevron {
    transform: rotate(90deg);
}

.nav-group-items {
    display: none;
    padding-left: 12px;
    margin-top: 4px;
}

.nav-group-items.expanded {
    display: block;
}

.nav-group-items .nav-item {
    padding-left: 40px;
    font-size: 13px;
}

.nav-section-divider {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-tertiary);
    padding: 12px 12px 8px;
    margin-top: 16px;
    border-top: 1px solid var(--border-color);
}

/* ========================================
   MT5 登录弹窗样式
   ======================================== */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 480px;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 28px;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
}

/* 经纪商列表 */
.broker-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}

.broker-card {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 16px;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
}

.broker-card:hover {
    border-color: var(--border-light);
    background: var(--bg-hover);
}

.broker-card.selected {
    border-color: var(--accent-primary);
    background: rgba(0, 217, 255, 0.05);
}

.broker-logo {
    width: 48px;
    height: 48px;
    margin: 0 auto 8px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    color: white;
}

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

.broker-desc {
    font-size: 11px;
    color: var(--text-tertiary);
}

/* 表单样式 */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1);
}

.form-input::placeholder {
    color: var(--text-muted);
}

select.form-input {
    cursor: pointer;
}

/* 按钮样式 */
.btn {
    padding: 10px 20px;
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
}

.btn-primary:hover {
    opacity: 0.9;
    box-shadow: var(--shadow-glow);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

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

/* 连接状态指示器 */
.mt5-connected {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: var(--success-bg);
    border: 1px solid var(--success);
    border-radius: var(--border-radius);
    font-size: 12px;
    color: var(--success);
}

.mt5-connected .status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    animation: pulse 2s infinite;
}

/* 响应式 */
@media (max-width: 600px) {
    .broker-list {
        grid-template-columns: 1fr;
    }
    
    .modal {
        max-width: calc(100vw - 32px);
        margin: 16px;
    }
}

/* ========================================
   MT5 经纪商选择弹窗 - 优化样式
   ======================================== */

.modal-broker-select {
    max-width: 560px;
}

.modal-login {
    max-width: 480px;
}

/* 搜索框 */
.broker-search-wrapper {
    position: relative;
    margin-bottom: 20px;
}

.search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    pointer-events: none;
}

.broker-search-input {
    padding-left: 44px;
    padding-right: 14px;
}

.broker-search-input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1);
}

/* 区块标题 */
.section-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 20px 0 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.section-title:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.section-title svg {
    color: var(--warning);
}

.section-title .chevron {
    margin-left: auto;
    color: var(--text-tertiary);
    transition: transform 0.2s;
}

.section-title.collapsed .chevron {
    transform: rotate(-90deg);
}

.broker-count {
    font-size: 11px;
    color: var(--text-tertiary);
    font-weight: 400;
}

/* 常用经纪商网格 */
.broker-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

/* 经纪商卡片 */
.broker-card {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 16px 12px;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
    position: relative;
}

.broker-card:hover {
    border-color: var(--border-light);
    background: var(--bg-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.broker-card.selected {
    border-color: var(--accent-primary);
    background: rgba(0, 217, 255, 0.05);
    box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1);
}

.broker-card.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.broker-card.disabled:hover {
    transform: none;
    box-shadow: none;
}

.broker-logo {
    width: 48px;
    height: 48px;
    margin: 0 auto 10px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    color: white;
}

.broker-card.selected .broker-logo {
    background: linear-gradient(135deg, #00ff88 0%, #00d9ff 100%);
}

.broker-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.broker-desc {
    font-size: 11px;
    color: var(--text-tertiary);
}

/* 所有经纪商列表 */
.broker-list-container {
    max-height: 280px;
    overflow-y: auto;
    transition: max-height 0.3s ease, opacity 0.3s ease;
}

.broker-list-container.collapsed {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
}

.broker-list-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.broker-list-item:hover {
    background: var(--bg-hover);
}

.broker-list-item.selected {
    background: rgba(0, 217, 255, 0.05);
    border-color: var(--accent-primary);
}

.broker-list-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.broker-list-item.disabled:hover {
    background: transparent;
}

.broker-list-logo {
    width: 36px;
    height: 36px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    color: var(--accent-primary);
    flex-shrink: 0;
}

.broker-list-item.selected .broker-list-logo {
    background: var(--accent-primary);
    color: white;
}

.broker-list-info {
    flex: 1;
    min-width: 0;
}

.broker-list-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.broker-list-servers {
    font-size: 11px;
    color: var(--text-tertiary);
    margin-top: 2px;
}

.broker-list-arrow {
    color: var(--text-tertiary);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.broker-list-item:hover .broker-list-arrow,
.broker-list-item.selected .broker-list-arrow {
    opacity: 1;
}

/* 已选经纪商信息 */
.selected-broker-info {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin-bottom: 20px;
}

.selected-broker-info .label {
    font-size: 13px;
    color: var(--text-secondary);
}

.selected-broker-info .value {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-primary);
}

.btn-change {
    margin-left: auto;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-change:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* 必填标记 */
.required {
    color: var(--danger);
    margin-left: 2px;
}

/* 密码输入框 */
.password-input-wrapper {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-fast);
}

.password-toggle:hover {
    color: var(--text-primary);
}

/* 下拉选择框 */
.select-wrapper {
    position: relative;
}

.select-wrapper select {
    appearance: none;
    padding-right: 40px;
    cursor: pointer;
}

.select-arrow {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    pointer-events: none;
}

/* 字段错误提示 */
.field-error {
    font-size: 12px;
    color: var(--danger);
    margin-top: 6px;
    min-height: 18px;
}

.field-error:empty {
    margin-top: 0;
    min-height: 0;
}

/* 按钮加载状态 */
.btn-primary.loading .btn-text {
    display: none;
}

.btn-primary.loading .btn-loading {
    display: block;
}

.btn-primary.loading {
    pointer-events: none;
}

/* 响应式调整 */
@media (max-width: 600px) {
    .broker-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .modal-broker-select,
    .modal-login {
        max-width: calc(100vw - 32px);
        margin: 16px;
    }
}

/* 账号按钮样式 */
.account-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    margin-right: 12px;
}

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

.account-btn.connected {
    background: rgba(0, 217, 255, 0.1);
    border-color: #00D9FF;
    color: #00D9FF;
}

.account-btn .account-text {
    white-space: nowrap;
}