/* ===== 预测页面共享样式（投放预估 & 销售预估） ===== */

/* 左右两栏对齐 */
.predict-body {
    grid-template-columns: 1fr 400px;
}
.predict-body .formula-calculator {
    position: static;
    height: auto;
}

/* ===== 右侧 - 步骤条 & 数据要求卡片 ===== */
.predict-steps-bar {
    background: #ede9fe;
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 16px;
    font-size: 0.85rem;
}
.predict-steps-bar p:first-child {
    font-weight: 600;
    margin-bottom: 6px;
}
.predict-data-req {
    background: linear-gradient(135deg, #eff6ff 0%, #f0f9ff 100%);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-left: 3px solid #6366f1;
    border-radius: 8px;
    padding: 12px 16px;
    margin-top: 12px;
    font-size: 0.83rem;
}
.predict-data-req ul {
    margin: 0;
    padding-left: 16px;
    line-height: 1.8;
}
.predict-field-toggle {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    margin-top: 8px;
    overflow: hidden;
}
.predict-field-toggle summary {
    padding: 8px 12px;
    cursor: pointer;
    font-size: 0.83rem;
    font-weight: 500;
    color: #6366f1;
    user-select: none;
}
.predict-field-toggle .field-table {
    padding: 0 12px 10px;
    font-size: 0.82rem;
    line-height: 1.7;
    color: #475569;
}
.predict-field-toggle .mini-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
}
.predict-field-toggle .mini-table th,
.predict-field-toggle .mini-table td {
    padding: 5px 8px;
    border: 1px solid #e2e8f0;
    text-align: left;
}
.predict-field-toggle .mini-table th {
    background: #f0f4ff;
    font-weight: 600;
}

/* ===== 左侧说明区 - 可折叠面板 ===== */
.info-panel {
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    margin-bottom: 10px;
    overflow: hidden;
    transition: box-shadow .2s;
}
.info-panel:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.info-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    cursor: pointer;
    background: #f8fafc;
    user-select: none;
    transition: background .15s;
}
.info-panel-header:hover {
    background: #f1f5f9;
}
.info-panel-header .info-label {
    margin: 0;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.panel-icon {
    font-size: 18px;
}
.panel-arrow {
    font-size: 20px;
    color: #94a3b8;
    transition: transform .25s;
}
.info-panel.open .panel-arrow {
    transform: rotate(0deg);
}
.info-panel:not(.open) .panel-arrow {
    transform: rotate(-90deg);
}
.info-panel-body {
    padding: 14px 16px 16px;
    font-size: 14.5px;
    line-height: 1.7;
    color: #475569;
    display: block;
}
.info-panel:not(.open) .info-panel-body {
    display: none;
}

/* ===== Excel 优势对比卡片 ===== */
.advantage-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}
.advantage-card {
    padding: 12px 14px;
    border-radius: 8px;
    border-left: 4px solid var(--accent, #6366f1);
    background: #f8fafc;
}
.adv-title {
    font-weight: 700;
    font-size: 14.5px;
    color: var(--accent, #1e293b);
    margin-bottom: 4px;
}
.adv-desc {
    font-size: 13.5px;
    color: #475569;
    line-height: 1.6;
}
.adv-vs {
    color: #94a3b8;
    font-size: 12.5px;
    font-style: italic;
}

/* ===== 计算流程 - 步骤条 ===== */
.logic-steps {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 12px;
}
.logic-step {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 8px 0;
}
.logic-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: #6366f1;
    color: #fff;
    border-radius: 50%;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 2px;
}
.logic-step strong {
    color: #1e293b;
    font-size: 13px;
}
.logic-step p {
    margin: 3px 0 0;
    font-size: 12px;
    color: #64748b;
}
.logic-detail {
    margin-top: 4px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    overflow: hidden;
}
.logic-detail summary {
    padding: 8px 14px;
    font-size: 12px;
    font-weight: 600;
    color: #6366f1;
    cursor: pointer;
    background: #f8fafc;
    user-select: none;
}
.logic-detail summary:hover {
    background: #f1f5f9;
}
.logic-detail-content {
    padding: 10px 14px;
    font-size: 12px;
    color: #64748b;
    line-height: 1.8;
}
.logic-detail-content p {
    margin: 4px 0;
}

/* ===== 注意事项列表 ===== */
.notice-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.notice-list li {
    position: relative;
    padding: 8px 0 8px 20px;
    font-size: 13px;
    color: #475569;
    line-height: 1.7;
    border-bottom: 1px dashed #e2e8f0;
}
.notice-list li:last-child {
    border-bottom: none;
}
.notice-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    width: 8px;
    height: 8px;
    background: #f59e0b;
    border-radius: 50%;
}
.notice-list li strong {
    color: #1e293b;
}

/* ===== FAQ ===== */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.faq-item {
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    overflow: hidden;
}
.faq-item summary {
    padding: 10px 14px;
    font-size: 13px;
    font-weight: 600;
    color: #1e293b;
    cursor: pointer;
    background: #fafafa;
    user-select: none;
    list-style: none;
}
.faq-item summary::before {
    content: 'Q: ';
    color: #6366f1;
    font-weight: 700;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover {
    background: #f1f5f9;
}
.faq-item[open] summary {
    border-bottom: 1px solid #e2e8f0;
    background: #f1f5f9;
}
.faq-item p {
    margin: 0;
    padding: 10px 14px;
    font-size: 12px;
    color: #64748b;
    line-height: 1.8;
    background: #fff;
}
/* FAQ 注意事项分隔线 */
.faq-notice-divider {
    margin: 16px 0 10px;
    padding: 6px 12px;
    background: #fef3c7;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 700;
    color: #92400e;
    text-align: center;
}

/* ===== page-header 徽章标签 ===== */
.page-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}
.page-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    background: rgba(99,102,241,0.08);
    border-radius: 20px;
    font-size: 12px;
    color: #6366f1;
    font-weight: 500;
}
.page-badge i { font-size: 13px; }

/* ===== 快速体验入口 ===== */
.demo-entry-bar {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 14px 16px;
    background: linear-gradient(135deg, #ede9fe 0%, #e0e7ff 100%);
    border-radius: 10px;
    margin-bottom: 12px;
}
.demo-entry-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: #6366f1;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background .2s, transform .15s;
    white-space: nowrap;
}
.demo-entry-btn:hover {
    background: #4f46e5;
    transform: translateY(-1px);
}
.demo-entry-btn:active { transform: translateY(0); }
.demo-entry-hint {
    font-size: 12px;
    color: #64748b;
}

/* "或上传你的数据"分割线 */
.upload-or-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 12px 0;
    color: #94a3b8;
    font-size: 12px;
}
.upload-or-divider::before,
.upload-or-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #e2e8f0;
}

/* ===== 指标解释 tooltip ===== */
.metric-tip {
    position: relative;
    display: inline-flex;
    align-items: center;
    cursor: help;
    font-size: 13px;
    color: #94a3b8;
    margin-left: 2px;
    vertical-align: middle;
}
.metric-tip i { font-size: 13px; }
.metric-tip::after {
    content: attr(data-tip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    width: max-content;
    max-width: 260px;
    padding: 8px 12px;
    background: #1e293b;
    color: #f1f5f9;
    font-size: 12px;
    font-weight: 400;
    line-height: 1.5;
    border-radius: 8px;
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s;
    z-index: 100;
    white-space: normal;
    text-align: left;
}
.metric-tip:hover::after {
    opacity: 1;
}
.metric-tip.light { color: rgba(255,255,255,.7); }
.metric-tip.light:hover { color: #fff; }

/* ===== 示例预览区 ===== */
.demo-preview-section {
    position: relative;
    overflow: hidden;
    border: 2px dashed #c7d2fe;
    border-radius: 12px;
    background: #fafbff;
}
.demo-preview-header {
    display: flex;
    align-items: center;
    gap: 10px;
}
.demo-preview-badge {
    display: inline-block;
    padding: 2px 10px;
    background: #ede9fe;
    color: #6366f1;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
}
.demo-preview-desc {
    font-size: 13px;
    color: #94a3b8;
    margin: -8px 0 16px 0;
}
.demo-faded {
    opacity: 0.6;
    pointer-events: none;
}
.demo-preview-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(to bottom, rgba(250,251,255,0) 0%, rgba(250,251,255,0.95) 60%, rgba(250,251,255,1) 100%);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 20px;
}
.demo-overlay-content {
    text-align: center;
}
.demo-overlay-content > i {
    font-size: 28px;
    color: #6366f1;
    margin-bottom: 4px;
}
.demo-overlay-content p {
    font-size: 14px;
    color: #475569;
    font-weight: 500;
    margin: 4px 0 10px;
}
.demo-overlay-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 20px;
    background: #6366f1;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background .2s;
}
.demo-overlay-btn:hover { background: #4f46e5; }

/* ===== 结果区 Tab 导航 ===== */
.result-tabs {
    display: flex;
    gap: 0;
    background: #f1f5f9;
    border-radius: 10px;
    padding: 4px;
    margin-bottom: 20px;
}
.result-tab {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 16px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: #64748b;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all .2s;
}
.result-tab:hover {
    color: #475569;
    background: rgba(255,255,255,.5);
}
.result-tab.active {
    background: #fff;
    color: #6366f1;
    box-shadow: 0 1px 3px rgba(0,0,0,.08);
}
.result-tab i { font-size: 16px; }

/* ===== 数据质量警告 ===== */
.data-warnings-container {
    margin: 0 0 8px 0;
}
.data-warning-item {
    padding: 10px 16px;
    background: #fffbeb;
    border: 1px solid #fde68a;
    border-radius: 8px;
    color: #92400e;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 6px;
    line-height: 1.5;
}

/* ===== Dashboard 指标卡片 ===== */
.predict-dashboard {
    padding: 0 0 10px 0;
}
.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 18px;
}
.dashboard-cards.secondary {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}
.dash-card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 20px 18px;
    text-align: center;
    transition: box-shadow .2s;
}
.dash-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}
.dash-card.primary {
    background: linear-gradient(135deg, #6366f1 0%, #818cf8 100%);
    color: #fff;
    border: none;
}
.dash-card.primary .dash-card-label { color: rgba(255,255,255,.85); }
.dash-card.primary .dash-card-sub   { color: rgba(255,255,255,.65); }
.dash-card.primary .dash-card-value { color: #fff; font-size: 32px; }
.dash-card.accent-blue {
    background: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
    color: #fff;
    border: none;
}
.dash-card.accent-blue .dash-card-label { color: rgba(255,255,255,.85); }
.dash-card.accent-blue .dash-card-sub   { color: rgba(255,255,255,.65); }
.dash-card.accent-blue .dash-card-value { color: #fff; font-size: 32px; }
.dash-card.accent-amber {
    background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
    color: #fff;
    border: none;
}
.dash-card.accent-amber .dash-card-label { color: rgba(255,255,255,.85); }
.dash-card.accent-amber .dash-card-sub   { color: rgba(255,255,255,.65); }
.dash-card.accent-amber .dash-card-value { color: #fff; font-size: 32px; }
.dash-card.accent-green {
    background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    color: #fff;
    border: none;
}
.dash-card.accent-green .dash-card-label { color: rgba(255,255,255,.85); }
.dash-card.accent-green .dash-card-sub   { color: rgba(255,255,255,.65); }
.dash-card.accent-green .dash-card-value { color: #fff; font-size: 32px; }
.dash-card.accent-red {
    background: linear-gradient(135deg, #ef4444 0%, #f87171 100%);
    color: #fff;
    border: none;
}
.dash-card.accent-red .dash-card-label { color: rgba(255,255,255,.85); }
.dash-card.accent-red .dash-card-sub   { color: rgba(255,255,255,.65); }
.dash-card.accent-red .dash-card-value { color: #fff; font-size: 32px; }
.dash-card.small { padding: 14px 12px; }
.dash-card-label {
    font-size: 13px;
    color: #64748b;
    margin-bottom: 6px;
}
.dash-card-value {
    font-size: 26px;
    font-weight: 700;
    color: #1e293b;
    line-height: 1.2;
}
.dash-card.small .dash-card-value { font-size: 20px; }
.dash-card-sub {
    font-size: 12px;
    color: #94a3b8;
    margin-top: 4px;
}
/* 彩色卡片上的 tooltip */
.dash-card.primary .metric-tip,
.dash-card.accent-blue .metric-tip,
.dash-card.accent-amber .metric-tip,
.dash-card.accent-green .metric-tip { color: rgba(255,255,255,.6); }
.dash-card.primary .metric-tip:hover,
.dash-card.accent-blue .metric-tip:hover,
.dash-card.accent-amber .metric-tip:hover,
.dash-card.accent-green .metric-tip:hover { color: #fff; }

/* ===== 趋势图 ===== */
.trend-chart-wrapper {
    position: relative;
    height: 320px;
    padding: 10px 0;
}

/* ===== section-header 导出按钮 ===== */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.export-btn {
    padding: 8px 18px;
    background: #6366f1;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background .2s;
}
.export-btn:hover { background: #4f46e5; }

/* ===== 数据明细 Tab 切换 ===== */
.table-tabs {
    display: flex;
    border-bottom: 2px solid #e2e8f0;
    margin-bottom: 16px;
    gap: 0;
}
.table-tab {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    background: none;
    cursor: pointer;
    font-size: 14px;
    color: #64748b;
    transition: color .15s, border-color .15s;
}
.table-tab:hover:not(.active) {
    color: #334155;
    background: #f8fafc;
}
.table-tab.active {
    color: #6366f1;
    border-bottom-color: #6366f1;
    font-weight: 600;
}
.tab-count {
    background: #e2e8f0;
    color: #475569;
    font-size: 11px;
    padding: 1px 7px;
    border-radius: 10px;
    font-weight: 600;
    transition: background .15s, color .15s;
}
.table-tab.active .tab-count {
    background: #e0e7ff;
    color: #6366f1;
}

/* ===== 对比/数据表格 ===== */
.history-table-wrapper {
    overflow-x: auto;
    overflow-y: auto;
    max-height: 420px;
    padding-bottom: 0;
}
.history-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.history-table th,
.history-table td {
    padding: 10px 12px;
    text-align: center;
    border-bottom: 1px solid #e2e8f0;
    white-space: nowrap;
}
.history-table th {
    position: sticky;
    top: 0;
    z-index: 1;
    background: #f1f5f9;
    color: #475569;
    font-weight: 600;
}
.history-table tbody tr:hover {
    background: #f8fafc;
}

/* ===== 步骤条 & 数据要求卡片（预测页面共用） ===== */
.ad-steps-bar {
    background: #ede9fe;
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 16px;
    font-size: 0.85rem;
}
.ad-steps-bar p:first-child {
    font-weight: 600;
    margin-bottom: 6px;
}
.ad-data-req {
    background: linear-gradient(135deg, #eff6ff 0%, #f0f9ff 100%);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-left: 3px solid #6366f1;
    border-radius: 8px;
    padding: 12px 16px;
    margin-top: 12px;
    font-size: 0.83rem;
}
.ad-data-req ul {
    margin: 0;
    padding-left: 16px;
    line-height: 1.8;
}
.ad-field-toggle {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    margin-top: 8px;
    overflow: hidden;
}
.ad-field-toggle summary {
    padding: 8px 12px;
    cursor: pointer;
    font-size: 0.83rem;
    font-weight: 500;
    color: #6366f1;
    user-select: none;
}
.ad-field-toggle .field-table {
    padding: 0 12px 10px;
    font-size: 0.82rem;
    line-height: 1.7;
    color: #475569;
}
.ad-field-toggle .mini-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
}
.ad-field-toggle .mini-table th,
.ad-field-toggle .mini-table td {
    padding: 5px 8px;
    border: 1px solid #e2e8f0;
    text-align: left;
}
.ad-field-toggle .mini-table th {
    background: #f1f5f9;
    font-weight: 600;
}

/* ===== 图表说明提示条（多页面共用） ===== */
.bubble-example-note {
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    padding: 12px 16px;
    margin-top: 12px;
    border-radius: 8px;
    font-size: 0.85rem;
    color: #856404;
    line-height: 1.6;
}

/* ===== 响应式适配 ===== */
@media (max-width: 768px) {
    .predict-body { grid-template-columns: 1fr; }
    .dashboard-cards { grid-template-columns: repeat(2, 1fr); }
    .advantage-grid { grid-template-columns: 1fr; }
    .page-badges { gap: 6px; }
    .demo-entry-bar { text-align: center; }
    .metric-tip::after { left: auto; right: 0; transform: none; max-width: 200px; }
}