/* ============================================================
 * panels.css
 * 业务面板：Panel 容器、KPI 卡片、分类网格、物品行/卡片、记录表
 * ============================================================ */

.panel {
    background: var(--card-bg);
    border: var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: var(--border);
    gap: 12px;
    flex-wrap: wrap;
}

.panel-title { font-size: 14px; font-weight: 600; color: var(--text-primary); }
.panel-subtitle { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }
.panel-body { padding: 16px; }

/* ---------- KPI ---------- */
.kpi-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.kpi-card {
    background: var(--intensity-4);
    border-radius: var(--radius-md);
    padding: 12px 14px;
    min-width: 0;
}

.kpi-label { font-size: 11px; color: var(--text-secondary); margin-bottom: 4px; }
.kpi-value { font-size: 20px; font-weight: 600; color: var(--text-primary); line-height: 1.2; }
.kpi-value.accent { color: var(--accent); }
.kpi-value.destructive { color: var(--destructive); }
.kpi-trend { font-size: 11px; color: var(--success); margin-top: 2px; }
.kpi-trend.down { color: var(--destructive); }
.kpi-card[data-stat-target]:hover { border-color: var(--accent); cursor: pointer; }

/* ---------- Category Grid ---------- */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 12px;
}

.category-card {
    background: var(--card-bg);
    border: var(--border);
    border-radius: var(--radius-md);
    padding: 12px;
    transition: all 0.15s;
    cursor: pointer;
    min-width: 0;
}

.category-card:hover {
    border-color: var(--intensity-12);
    box-shadow: 0 4px 12px var(--intensity-4);
}

.category-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.category-name { font-size: 13px; font-weight: 600; color: var(--text-primary); }

.category-count {
    font-size: 11px;
    color: var(--text-tertiary);
    background: var(--intensity-6);
    padding: 2px 8px;
    border-radius: 999px;
}

.category-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 10px;
    margin-bottom: 14px;
}

/* ---------- Item List (row) ---------- */
.items-list { display: flex; flex-direction: column; gap: 4px; }

.item-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    transition: background 0.15s;
    cursor: pointer;
    min-height: 36px;
    gap: 8px;
}

.item-row:hover { background: var(--intensity-6); }
.item-row:active { background: var(--intensity-8); }

.item-info { display: flex; align-items: center; gap: 8px; min-width: 0; flex: 1; }

.item-icon {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    background: color-mix(in srgb, var(--primary) 20%, transparent);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    flex-shrink: 0;
}

.item-name {
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}

.fav-star {
    color: #F5B400;
    margin-left: 4px;
    font-size: 11px;
    text-shadow: 0 0 2px rgba(245, 180, 0, 0.35);
}

.item-price-wrap {
    display: flex;
    align-items: baseline;
    gap: 4px;
    flex-shrink: 0;
}

.item-price { font-weight: 500; color: var(--text-primary); font-variant-numeric: tabular-nums; }
.item-change { font-size: 10px; color: var(--success); }
.item-change.down { color: var(--destructive); }

.item-row.custom-priced { background: color-mix(in srgb, var(--accent) 6%, transparent); }
.item-row.custom-priced .item-name::after {
    content: "★";
    color: var(--accent);
    margin-left: 4px;
    font-size: 10px;
}

/* ---------- Item Tile (calculator 选物品) ---------- */
.item-tile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
    gap: 6px;
}

.item-tile {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 8px 4px;
    background: var(--intensity-4);
    border: 0.5px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.15s;
    position: relative;
    user-select: none;
}

.item-tile:hover { background: var(--intensity-8); }
.item-tile:active { transform: scale(0.96); }

.item-tile .tile-icon {
    width: 36px; height: 36px;
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-size: 18px;
}

.item-tile .tile-name {
    font-size: 11px;
    color: var(--text-primary);
    text-align: center;
    line-height: 1.2;
    width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.item-tile.custom-priced {
    border-color: var(--accent);
    background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.item-tile .tile-badge {
    position: absolute;
    top: 2px; right: 2px;
    background: var(--accent);
    color: white;
    font-size: 9px;
    font-weight: 600;
    padding: 1px 4px;
    border-radius: 4px;
    line-height: 1.2;
}

/* ---------- Cat Tabs (分类选项卡) ---------- */
.cat-tabs {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    padding: 4px 0 8px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.cat-tabs::-webkit-scrollbar { display: none; }

.cat-tab {
    flex-shrink: 0;
    padding: 6px 12px;
    background: var(--intensity-4);
    border: 0.5px solid transparent;
    border-radius: 999px;
    font-size: 12px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
}

.cat-tab:hover { background: var(--intensity-8); }

.cat-tab.active {
    background: color-mix(in srgb, var(--accent) 15%, transparent);
    color: var(--accent);
    border-color: color-mix(in srgb, var(--accent) 30%, transparent);
    font-weight: 500;
}

/* ---------- Records Table ---------- */
.records-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}

.records-table th {
    text-align: left;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 8px;
    border-bottom: var(--border);
    font-size: 11px;
    background: var(--intensity-4);
}

.records-table td {
    padding: 8px;
    border-bottom: var(--border);
    color: var(--text-primary);
    vertical-align: middle;
}

.records-table tr:last-child td { border-bottom: 0; }
.records-table tfoot td { background: var(--intensity-4); border-top: var(--border); border-bottom: 0; }

/* ---------- Quantity Control ---------- */
.qty-control {
    display: inline-flex;
    align-items: center;
    border: var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.qty-btn {
    width: 28px;
    height: 28px;
    border: 0;
    background: var(--intensity-6);
    color: var(--text-primary);
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qty-btn:hover { background: var(--intensity-8); }
.qty-btn:active { background: var(--intensity-12); }

.qty-value {
    width: 40px;
    text-align: center;
    font-size: 12px;
    font-weight: 500;
    background: var(--card-bg);
    border: 0;
    border-left: var(--border);
    border-right: var(--border);
    height: 28px;
    color: var(--text-primary);
    outline: none;
    -moz-appearance: textfield;
}

.qty-value::-webkit-outer-spin-button,
.qty-value::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

/* ---------- Two-col / Timer ---------- */
.two-col {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 16px;
}

.timer-display { text-align: center; padding: 20px 0; }

.timer-text {
    font-size: 40px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 8px;
    font-variant-numeric: tabular-nums;
}

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

/* ---------- Chart ---------- */
.chart-wrap {
    position: relative;
    width: 100%;
    height: 120px;
    margin-top: 8px;
}

.chart-svg { width: 100%; height: 100%; display: block; }

/* ---------- Price Edit Row ---------- */
.price-edit-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px;
    align-items: end;
    margin-top: 8px;
}

.price-edit-row .input-field { width: 100%; }