/* ===== 基础重置与变量 ===== */
:root {
    --color-primary: #4f46e5;
    --color-primary-hover: #4338ca;
    --color-danger: #ef4444;
    --color-danger-hover: #dc2626;
    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-profit-up: #ef4444;    /* 红涨 */
    --color-profit-down: #22c55e;  /* 绿跌 */
    --color-bg: #f8fafc;
    --color-surface: #ffffff;
    --color-border: #e2e8f0;
    --color-text: #1e293b;
    --color-text-secondary: #64748b;
    --color-text-muted: #94a3b8;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--color-primary);
    text-decoration: none;
}
a:hover { text-decoration: underline; }

/* ===== 加载动画 ===== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-spinner {
    background: var(--color-surface);
    padding: 32px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow-md);
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 16px;
}

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

#loading-text {
    color: var(--color-text-secondary);
    font-size: 14px;
    margin: 0;
}

/* ===== 导航栏 ===== */
.navbar {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 0 24px;
    height: 56px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    height: 100%;
    gap: 32px;
}

.nav-brand {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
    white-space: nowrap;
}

.nav-links {
    display: flex;
    gap: 8px;
    flex: 1;
}

.nav-links a {
    padding: 6px 14px;
    border-radius: var(--radius);
    color: var(--color-text-secondary);
    font-size: 14px;
    text-decoration: none;
    transition: all 0.15s;
}
.nav-links a:hover,
.nav-links a.active {
    background: var(--color-primary);
    color: #fff;
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.btn-logout {
    color: var(--color-danger);
    font-size: 13px;
    text-decoration: none;
}
.btn-logout:hover { text-decoration: underline; }

/* ===== 容器 ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
}

/* ===== Flash 消息 ===== */
.flash-messages { margin-bottom: 16px; }

.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
}
.alert-success { background: #dcfce7; color: #166534; }
.alert-error   { background: #fee2e2; color: #991b1b; }
.alert-warning { background: #fef3c7; color: #92400e; }
.alert-info    { background: #dbeafe; color: #1e40af; }

.alert-close {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: inherit;
    opacity: 0.6;
}
.alert-close:hover { opacity: 1; }

/* ===== 按钮 ===== */
.btn {
    display: inline-block;
    padding: 8px 18px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text);
    font-size: 14px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s;
    text-align: center;
}
.btn:hover {
    background: var(--color-bg);
    text-decoration: none;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}
.btn-primary:hover {
    background: var(--color-primary-hover);
}

.btn-danger {
    color: var(--color-danger);
    border-color: var(--color-danger);
}
.btn-danger:hover {
    background: var(--color-danger);
    color: #fff;
}

.btn-sm {
    padding: 4px 12px;
    font-size: 13px;
}

.btn-block {
    display: block;
    width: 100%;
}

/* ===== 页面头部 ===== */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}
.page-header h2 {
    font-size: 22px;
    font-weight: 600;
}

/* ===== 汇总卡片 ===== */
.summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
}

.card-label {
    display: block;
    font-size: 13px;
    color: var(--color-text-muted);
    margin-bottom: 6px;
}

.card-value {
    display: block;
    font-size: 22px;
    font-weight: 700;
}
.card-value small {
    font-size: 13px;
    font-weight: 400;
}

/* ===== 收益颜色 ===== */
.profit-positive { color: var(--color-profit-up); }
.profit-negative { color: var(--color-profit-down); }

/* ===== 表格 ===== */
.holdings-table-wrapper {
    overflow-x: auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.holdings-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.holdings-table th {
    background: #f8fafc;
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--color-text-secondary);
    border-bottom: 2px solid var(--color-border);
    white-space: nowrap;
}
.holdings-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}
.holdings-table tr:last-child td { border-bottom: none; }
.holdings-table tr:hover td { background: #f1f5f9; }

.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }

/* ===== 认证页面 ===== */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
}

.auth-card {
    background: var(--color-surface);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    width: 100%;
    max-width: 420px;
}

.auth-card h2 {
    text-align: center;
    margin-bottom: 28px;
    font-size: 24px;
}

.auth-switch {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
    color: var(--color-text-secondary);
}

/* ===== 表单 ===== */
.form-group {
    margin-bottom: 18px;
}
.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--color-text);
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 14px;
    transition: border-color 0.15s;
}
.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* ===== 弹窗 ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.4);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 200;
}

.modal-content {
    background: var(--color-surface);
    padding: 32px;
    border-radius: 12px;
    width: 100%;
    max-width: 480px;
    box-shadow: var(--shadow-md);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}
.modal-header h3 { font-size: 18px; }

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--color-text-muted);
}
.modal-close:hover { color: var(--color-text); }

/* ===== 持仓卡片（持仓管理页） ===== */
.holdings-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 16px;
}

.holding-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.holding-card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.holding-card-header h3 {
    font-size: 15px;
    font-weight: 600;
}
.holding-card-header h3 a {
    color: var(--color-text);
}
.fund-code {
    font-size: 13px;
    color: var(--color-text-muted);
}

.holding-card-body {
    padding: 16px 20px;
}

.holding-info-row {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    font-size: 14px;
}
.holding-info-row .label {
    color: var(--color-text-secondary);
}

.holding-card-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--color-border);
    display: flex;
    gap: 8px;
}

/* ===== 基金详情页 ===== */
.fund-detail .fund-meta {
    color: var(--color-text-secondary);
    font-size: 14px;
    margin-top: 4px;
}

.chart-controls {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.btn-range {
    padding: 6px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    cursor: pointer;
    font-size: 13px;
    transition: all 0.15s;
}
.btn-range:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-range.active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.chart-container {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    min-height: 300px;
}

/* ===== 用户列表 ===== */
.user-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.user-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.user-info h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}
.user-info p {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin: 2px 0;
}

/* ===== 空状态 ===== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--color-text-muted);
}
.empty-state p { margin-bottom: 16px; font-size: 16px; }

/* ===== 错误页面 ===== */
.error-page {
    text-align: center;
    padding: 80px 20px;
}
.error-page h1 {
    font-size: 72px;
    color: var(--color-text-muted);
}
.error-page p {
    margin: 16px 0 32px;
    font-size: 18px;
    color: var(--color-text-secondary);
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
    .navbar { padding: 0 16px; }
    .nav-container { gap: 16px; }
    .nav-links a { padding: 6px 10px; font-size: 13px; }
    .container { padding: 16px; }
    .summary-cards { grid-template-columns: repeat(2, 1fr); }
    .card-value { font-size: 18px; }
    .holdings-cards { grid-template-columns: 1fr; }
    .auth-card { padding: 24px; margin: 16px; }
    .modal-content { margin: 16px; padding: 24px; }
}

@media (max-width: 480px) {
    .summary-cards { grid-template-columns: 1fr; }
    .nav-links { display: none; }
}

/* ===== 定投功能样式 ===== */

/* 定投标识 */
.badge {
    display: inline-block;
    padding: 2px 8px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 12px;
    margin-left: 8px;
    vertical-align: middle;
}

.badge-success {
    background-color: #10b981;
    color: white;
}

/* 定投按钮 */
.btn-primary {
    background-color: #3b82f6;
    color: white;
}

.btn-primary:hover {
    background-color: #2563eb;
}

/* ===== 实时刷新功能样式 ===== */

/* 页面头部操作按钮组 */
.header-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.btn-secondary {
    background-color: #6b7280;
    color: white;
    border: none;
    padding: 10px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: background-color 0.2s;
}

.btn-secondary:hover {
    background-color: #4b5563;
}

/* 刷新按钮 */
.btn-icon-refresh {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 18px;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.2s;
    opacity: 0.6;
}

.btn-icon-refresh:hover {
    opacity: 1;
    background-color: rgba(0, 0, 0, 0.05);
}

.icon-refresh {
    display: inline-block;
    transition: transform 0.3s;
}

/* 刷新中的旋转动画 */
.refreshing .icon-refresh {
    animation: rotate 1s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* 持仓卡片头部调整（支持左右布局） */
.holding-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 16px;
    border-bottom: 1px solid var(--color-border);
}

.header-left {
    flex: 1;
}

/* 更新时间显示 */
.last-update-info {
    padding: 8px 0;
    margin-bottom: 8px;
    border-bottom: 1px solid var(--color-border);
}

.last-update-time {
    font-size: 12px;
    color: var(--color-text-muted);
    font-style: italic;
}

/* ===== 仪表盘基金名称单元格样式 ===== */

.fund-name-cell {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

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

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

.nav-current {
    font-weight: 600;
    color: var(--color-primary);
}

.nav-last {
    color: var(--color-text-muted);
}

.nav-separator {
    color: var(--color-border);
}

.nav-change {
    font-weight: 600;
}

.fund-update-time {
    font-size: 11px;
    color: var(--color-text-muted);
    font-style: italic;
}

/* ===== 排序功能样式 ===== */
.sortable {
    cursor: pointer;
    user-select: none;
    position: relative;
    transition: background-color 0.2s;
}

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

.sort-indicator {
    display: inline-block;
    margin-left: 4px;
    color: var(--color-primary);
    font-weight: bold;
    font-size: 14px;
    min-width: 12px;
}

.sort-select {
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-text);
    font-size: 14px;
    cursor: pointer;
    transition: border-color 0.2s;
    margin-right: 8px;
}

.sort-select:hover {
    border-color: var(--color-primary);
}

.sort-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}