/* ========================================
   分时精灵 v3.0 - 统一样式系统
   ======================================== */

:root {
    --primary: #667eea;
    --primary-dark: #5a67d8;
    --secondary: #764ba2;
    --success: #48bb78;
    --danger: #f56565;
    --warning: #ed8936;
    --info: #4299e1;
    --dark: #2d3748;
    --light: #f7fafc;
    --gray-100: #f5f5f5;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e0;
    --gray-500: #a0aec0;
    --gray-700: #4a5568;
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow: 0 4px 15px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.15);
    --radius: 8px;
    --radius-lg: 12px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
    background: var(--gray-100);
    color: var(--dark);
    line-height: 1.5;
    min-height: 100vh;
}

/* ========== 顶部导航 ========== */
.top-nav {
    background: var(--gradient);
    padding: 0 24px;
    height: 56px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-brand {
    font-size: 20px;
    font-weight: 700;
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links {
    display: flex;
    gap: 4px;
    margin-left: 30px;
}

.nav-link {
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
}

.nav-link:hover {
    background: rgba(255,255,255,0.15);
    color: white;
}

.nav-link.active {
    background: rgba(255,255,255,0.25);
    color: white;
    font-weight: 600;
}

/* 用户菜单 */
.user-area {
    position: relative;
}

.user-btn {
    background: rgba(255,255,255,0.2);
    border: 1px solid rgba(255,255,255,0.3);
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
}

.user-btn:hover {
    background: rgba(255,255,255,0.3);
}

.user-dropdown {
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    min-width: 220px;
    z-index: 99999;
    display: none;
    overflow: hidden;
}

.user-dropdown.show {
    display: block;
    animation: dropIn 0.15s ease-out;
}

@keyframes dropIn {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.user-header {
    padding: 16px;
    background: var(--gray-100);
    border-bottom: 1px solid var(--gray-200);
}

.user-email {
    font-weight: 600;
    font-size: 14px;
    color: var(--dark);
    margin-bottom: 6px;
}

.user-level {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
}

.level-free { background: var(--gray-200); color: var(--gray-700); }
.level-basic { background: #c6f6d5; color: #276749; }
.level-vip1 { background: #fef3c7; color: #92400e; }
.level-vip2 { background: #fed7aa; color: #9a3412; }
.level-vip3 { background: linear-gradient(135deg, #fbbf24, #f59e0b); color: white; }

.dropdown-item {
    display: block;
    padding: 12px 16px;
    color: var(--dark);
    text-decoration: none;
    font-size: 14px;
    transition: background 0.15s;
    border-bottom: 1px solid var(--gray-100);
}

.dropdown-item:hover {
    background: var(--gray-100);
}

.dropdown-item.logout {
    color: var(--danger);
    border: none;
}

/* ========== 页面布局 ========== */
.page-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.page-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ========== 统计卡片 ========== */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: white;
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-icon.primary { background: rgba(102, 126, 234, 0.1); }
.stat-icon.success { background: rgba(72, 187, 120, 0.1); }
.stat-icon.warning { background: rgba(237, 137, 54, 0.1); }
.stat-icon.danger { background: rgba(245, 101, 101, 0.1); }
.stat-icon.info { background: rgba(66, 153, 225, 0.1); }

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark);
    line-height: 1.2;
}

.stat-label {
    font-size: 13px;
    color: var(--gray-500);
    margin-top: 2px;
}

/* ========== 配置卡片 ========== */
.card {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: 20px;
    overflow: hidden;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-body {
    padding: 20px;
}

/* ========== 表单元素 ========== */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
}

/* 筛选控件优化 */
select.form-control {
    padding: 8px 12px;
    height: auto;
    min-height: 36px;
    line-height: 1.4;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 30px;
    cursor: pointer;
}

/* 卡片头部筛选下拉框 */
.filter-select {
    width: auto !important;
    min-width: 100px;
    padding: 6px 28px 6px 12px !important;
    height: 32px !important;
    font-size: 13px !important;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    background-color: white;
}

/* 双栏对齐网格布局 */
.dual-panel-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;  /* 两行自适应 */
    gap: 20px;
    align-items: stretch;  /* 同行卡片等高 */
}

.dual-panel-grid > .card {
    margin: 0;  /* 重置margin */
}

.form-switch {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
}

.switch-input {
    width: 44px;
    height: 24px;
    appearance: none;
    background: var(--gray-300);
    border-radius: 12px;
    cursor: pointer;
    position: relative;
    transition: background 0.2s;
}

.switch-input:checked {
    background: var(--primary);
}

.switch-input::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: transform 0.2s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.switch-input:checked::before {
    transform: translateX(20px);
}

.switch-label {
    font-size: 14px;
    color: var(--dark);
}

/* ========== 按钮 ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    text-decoration: none;
}

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

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--gray-300);
    color: var(--gray-700);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-danger {
    background: var(--danger);
    color: white;
}

/* ========== 异动列表 ========== */
.anomaly-list {
    max-height: 500px;
    overflow-y: auto;
}

.anomaly-item {
    padding: 14px 16px;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: flex-start;
    gap: 12px;
    transition: background 0.15s;
}

.anomaly-item:hover {
    background: var(--gray-100);
}

.anomaly-item.new {
    animation: highlightNew 2s ease-out;
}

@keyframes highlightNew {
    0% { background: rgba(102, 126, 234, 0.2); }
    100% { background: transparent; }
}

.anomaly-time {
    font-size: 12px;
    color: var(--gray-500);
    white-space: nowrap;
}

.anomaly-content {
    flex: 1;
}

.anomaly-stock {
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 4px;
}

.anomaly-type {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    margin-right: 6px;
}

.type-auction { background: #e9d5ff; color: #7c3aed; }
.type-volume { background: #fef3c7; color: #d97706; }
.type-price { background: #dcfce7; color: #16a34a; }
.type-ma { background: #dbeafe; color: #2563eb; }

.anomaly-desc {
    font-size: 13px;
    color: var(--gray-700);
    margin-top: 4px;
}

.anomaly-price {
    text-align: right;
}

.price-value {
    font-weight: 600;
    font-size: 15px;
}

.price-change {
    font-size: 13px;
}

.price-up { color: var(--danger); }
.price-down { color: var(--success); }

/* ========== 复选框组 ========== */
.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 8px;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.15s;
}

.checkbox-item:hover {
    background: var(--gray-100);
}

.checkbox-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

.checkbox-item label {
    font-size: 13px;
    cursor: pointer;
}

/* ========== 个股订阅项 ========== */
.stock-sub-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 16px;
    background: var(--gray-100);
    border-radius: var(--radius);
    margin-bottom: 12px;
}

.stock-sub-item .form-control {
    background: white;
}

/* ========== 提示框 ========== */
.alert {
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 13px;
    margin-bottom: 16px;
}

.alert-warning {
    background: #fef3c7;
    border: 1px solid #fbbf24;
    color: #92400e;
}

.alert-info {
    background: #dbeafe;
    border: 1px solid #60a5fa;
    color: #1e40af;
}

.alert-success {
    background: #dcfce7;
    border: 1px solid #4ade80;
    color: #166534;
}

/* ========== 表格 ========== */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.table th {
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-700);
    background: var(--gray-100);
}

.table td {
    font-size: 14px;
}

.table tr:hover td {
    background: var(--gray-100);
}

/* ========== 标签页 ========== */
.tabs {
    display: flex;
    border-bottom: 2px solid var(--gray-200);
    margin-bottom: 20px;
}

.tab {
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-500);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s;
}

.tab:hover {
    color: var(--primary);
}

.tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* ========== 图表容器 ========== */
.chart-container {
    height: 300px;
    position: relative;
}

/* ========== 持仓列表 ========== */
.position-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 0;
    border-bottom: 1px solid var(--gray-100);
}

.position-stock {
    font-weight: 600;
}

.position-shares {
    font-size: 13px;
    color: var(--gray-500);
}

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

/* ========== 响应式 ========== */
@media (max-width: 768px) {
    .top-nav {
        padding: 0 16px;
    }
    
    .nav-links {
        display: none;
    }
    
    .page-container {
        padding: 16px;
    }
    
    .stats-row {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .checkbox-group {
        grid-template-columns: 1fr;
    }
}

/* ========== 连接状态 ========== */
.connection-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 12px;
    background: var(--gray-100);
}

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

.status-dot.connected { background: var(--success); }
.status-dot.disconnected { background: var(--danger); }
.status-dot.connecting { background: var(--warning); animation: pulse 1s infinite; }

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

/* ========== 空状态 ========== */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--gray-500);
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.empty-state-text {
    font-size: 14px;
}

/* ========== 加载动画 ========== */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ========== 表格分页 ========== */
.table-pagination {
    padding: 12px 16px;
    border-top: 1px solid var(--gray-200);
    text-align: center;
    background: var(--gray-100);
}

.table-pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ========== 按钮组 ========== */
.btn-group {
    display: inline-flex;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.btn-group .btn {
    border-radius: 0;
    margin: 0;
    border-right: 1px solid rgba(255,255,255,0.2);
}

.btn-group .btn:first-child {
    border-radius: var(--radius) 0 0 var(--radius);
}

.btn-group .btn:last-child {
    border-radius: 0 var(--radius) var(--radius) 0;
    border-right: none;
}

.btn-group .btn.active {
    background: var(--gradient);
    color: white;
}

.btn-group .btn.btn-outline {
    background: white;
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-group .btn.btn-outline:hover {
    background: var(--gray-100);
}

/* ========== 持仓列表 ========== */
.position-item {
    transition: background-color 0.2s;
}

.position-item:hover {
    background-color: var(--gray-100);
}

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