/* ============================================
   组合套装利润计算器 — 页面专属样式
   ============================================ */

/* ── SKU 列表 ── */
.sku-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 8px;
}

.sku-card {
    border: 1.5px solid var(--border-color, #e5e7eb);
    border-radius: 10px;
    padding: 12px 14px;
    background: var(--card-bg, #fff);
    position: relative;
    transition: border-color 0.2s;
}

.sku-card.gift-card {
    border-color: #fde68a;
    background: #fffbeb;
}

.sku-card-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.sku-index-badge {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color, #6366f1);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.sku-card.gift-card .sku-index-badge {
    background: #f59e0b;
}

.sku-name-input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary, #1f2937);
    background: transparent;
    min-width: 0;
}

.sku-type-toggle {
    display: flex;
    gap: 4px;
}

.sku-type-btn {
    padding: 3px 10px;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 5px;
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    background: transparent;
    color: var(--text-secondary, #6b7280);
    transition: all 0.2s;
}

.sku-type-btn.active-sell {
    background: #eff6ff;
    border-color: #3b82f6;
    color: #1d4ed8;
}

.sku-type-btn.active-gift {
    background: #fffbeb;
    border-color: #f59e0b;
    color: #92400e;
}

.sku-remove-btn {
    width: 24px;
    height: 24px;
    border: none;
    background: #fee2e2;
    color: #ef4444;
    border-radius: 5px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    flex-shrink: 0;
    transition: background 0.2s;
}

.sku-remove-btn:hover { background: #fecaca; }

.sku-fields {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.sku-field {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.sku-field label {
    font-size: 11px;
    color: var(--text-muted, #9ca3af);
    font-weight: 500;
}

.sku-field .input-wrapper {
    border-radius: 6px;
}

.sku-field .calc-input {
    font-size: 12px;
    padding: 6px 8px;
}

.sku-field .input-unit {
    font-size: 11px;
    padding: 0 7px;
    min-height: 30px;
}

/* 赠品标签 */
.gift-label-tag {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    font-size: 10px;
    font-weight: 600;
    padding: 2px 7px;
    background: #fef3c7;
    color: #92400e;
    border-radius: 4px;
    border: 1px solid #fde68a;
}

/* ── 添加 SKU 按钮 ── */
.add-sku-btns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 4px;
}

.add-sku-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 7px;
    border-radius: 7px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.add-sku-btn.add-sell {
    border: 1.5px dashed #93c5fd;
    background: transparent;
    color: #1d4ed8;
}

.add-sku-btn.add-sell:hover {
    background: #eff6ff;
    border-color: #3b82f6;
}

.add-sku-btn.add-gift {
    border: 1.5px dashed #fcd34d;
    background: transparent;
    color: #92400e;
}

.add-sku-btn.add-gift:hover {
    background: #fffbeb;
    border-color: #f59e0b;
}

/* ── 结果 KPI 卡片 ── */
.bundle-kpi-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.bundle-kpi-card {
    background: var(--card-bg, #fff);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
}

.bundle-kpi-card.highlight-profit {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border: none;
    color: #fff;
}

.bundle-kpi-card.highlight-profit .kpi-label,
.bundle-kpi-card.highlight-profit .kpi-unit { color: rgba(255,255,255,0.8); }
.bundle-kpi-card.highlight-profit .kpi-value { color: #fff; }

.bundle-kpi-card.loss-card {
    background: linear-gradient(135deg, #fee2e2, #fef2f2);
    border-color: #fca5a5;
}

.bundle-kpi-card.loss-card .kpi-value { color: #ef4444; }

/* ── SKU 成本明细表 ── */
.sku-cost-badge {
    display: inline-block;
    font-size: 10px;
    padding: 1px 6px;
    border-radius: 4px;
    margin-left: 4px;
    font-weight: 600;
}

.sku-cost-badge.gift-tag { background: #fef3c7; color: #92400e; }
.sku-cost-badge.sell-tag { background: #dbeafe; color: #1d4ed8; }

/* ── 饼图 ── */
.pie-chart-container {
    width: 100%;
    height: 320px;
}

/* ── 模式说明横幅 ── */
.bundle-mode-intro {
    display: flex;
    gap: 10px;
    padding: 12px 14px;
    background: linear-gradient(135deg, #fdf4ff, #f5f3ff);
    border: 1px solid #e9d5ff;
    border-radius: 10px;
    margin-bottom: 16px;
    font-size: 12px;
    color: #6d28d9;
}

.bundle-mode-intro i { font-size: 18px; flex-shrink: 0; margin-top: 1px; }

/* ── 结果区空状态 ── */
.result-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    background: var(--card-bg, #fff);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 12px;
    color: var(--text-muted, #9ca3af);
    text-align: center;
    gap: 12px;
}
.result-empty i { font-size: 48px; opacity: 0.4; }
.result-empty p { font-size: 14px; margin: 0; }

/* ── 费用明细利润行 ── */
.row-profit td { border-top: 2px solid var(--border-color, #e5e7eb); }

/* ── 响应式 ── */
@media (max-width: 768px) {
    .sku-fields { grid-template-columns: 1fr; }
    .bundle-kpi-cards { grid-template-columns: 1fr; }
    .add-sku-btns { grid-template-columns: 1fr; }
}