:root {
    --bg: #0f1420;
    --panel: #171d2b;
    --panel-2: #1e2637;
    --border: #2a3345;
    --text: #e6ebf5;
    --muted: #8b97ad;
    --accent: #4f8cff;
    --accent-2: #22c55e;
    --danger: #ef4444;
    --warn: #f59e0b;
    --radius: 12px;
    font-synthesis: none;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
}

/* ---------- Login ---------- */
.login-body {
    display: flex;
    min-height: 100vh;
    align-items: center;
    justify-content: center;
    background: radial-gradient(1200px 600px at 50% -10%, #1c2740, var(--bg));
}
.login-card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    width: 340px;
    box-shadow: 0 20px 60px rgba(0,0,0,.4);
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.login-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    margin-bottom: 4px;
}
.login-logo-img {
    height: 44px;
    width: auto;
    max-width: 100%;
    display: block;
    /* logo-black.svg sobre fondo oscuro */
    filter: brightness(0) invert(1);
}
.login-sub { color: var(--muted); text-align: center; font-size: 13px; }
.login-card label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
.login-card input {
    padding: 10px 12px; border-radius: 8px; border: 1px solid var(--border);
    background: var(--panel-2); color: var(--text); font-size: 15px;
}
.login-card button {
    margin-top: 8px; padding: 11px; border: none; border-radius: 8px;
    background: var(--accent); color: #fff; font-weight: 600; font-size: 15px; cursor: pointer;
}
.login-card button:hover { background: #3d78ec; }
.login-error {
    background: rgba(239,68,68,.15); border: 1px solid rgba(239,68,68,.4);
    color: #fecaca; padding: 8px 12px; border-radius: 8px; font-size: 13px;
}

/* ---------- Layout ---------- */
.topbar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 20px; background: var(--panel); border-bottom: 1px solid var(--border);
    flex-wrap: wrap; gap: 12px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}
.brand-logo {
    height: 32px;
    width: auto;
    display: block;
    filter: brightness(0) invert(1);
}
.brand-tag {
    color: var(--muted);
    font-size: 13px;
    font-weight: 500;
    padding-left: 12px;
    border-left: 1px solid var(--border);
}
.topbar-right { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.daterange { display: flex; align-items: center; gap: 6px; }
.daterange select, .daterange input, .daterange button {
    background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
    padding: 7px 10px; border-radius: 8px; font-size: 13px;
}
.daterange button { background: var(--accent); border-color: var(--accent); color: #fff; cursor: pointer; font-weight: 600; }
.daterange .sep { color: var(--muted); }
.user { color: var(--muted); font-size: 13px; }
.logout { color: var(--accent); text-decoration: none; font-size: 13px; }

.tabs { display: flex; gap: 4px; padding: 0 20px; background: var(--panel); border-bottom: 1px solid var(--border); }
.tab {
    background: none; border: none; color: var(--muted); padding: 14px 18px; cursor: pointer;
    font-size: 14px; border-bottom: 2px solid transparent; font-weight: 500;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--text); border-bottom-color: var(--accent); }

main { padding: 20px; max-width: 1400px; margin: 0 auto; }
.loading { color: var(--muted); padding: 40px; text-align: center; }
.foot { color: var(--muted); font-size: 12px; text-align: center; padding: 20px; }

/* ---------- Cards / KPIs ---------- */
.kpi-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px; margin-bottom: 20px;
}
.kpi {
    background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 16px 18px;
}
.kpi .label { color: var(--muted); font-size: 13px; margin-bottom: 6px; }
.kpi .value { font-size: 26px; font-weight: 700; }
.kpi .delta { font-size: 12px; margin-top: 6px; }
.delta.up { color: var(--accent-2); }
.delta.down { color: var(--danger); }
.delta.flat { color: var(--muted); }

.grid { display: grid; gap: 16px; }
.grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

.card {
    background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 18px;
}
.card h3 { margin: 0 0 14px; font-size: 15px; font-weight: 600; }
.card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 14px; }
.card-head h3 { margin: 0; }
.card--full { width: 100%; margin-top: 16px; }
.chart-controls { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; }
.chart-ctrl { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
.chart-ctrl select {
    background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
    padding: 6px 10px; border-radius: 8px; font-size: 13px;
}
.chart-check { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); cursor: pointer; user-select: none; }
.chart-check input { accent-color: var(--accent); }
.card .chart-wrap { position: relative; height: 320px; }
.card .chart-wrap--donut { height: 420px; min-height: 420px; }
.card .chart-wrap--tall { height: 440px; min-height: 440px; }
.card .chart-wrap--color { height: 480px; min-height: 480px; position: relative; }
.chart-zoom-bar {
    position: absolute; top: 6px; right: 6px; z-index: 6;
    display: flex; align-items: center; gap: 2px;
    background: rgba(23, 29, 43, 0.92); border: 1px solid var(--border);
    border-radius: 8px; padding: 3px;
}
.chart-zoom-btn {
    display: inline-flex; align-items: center; justify-content: center;
    width: 28px; height: 28px; border: none; border-radius: 6px;
    background: transparent; color: #c5d0e6; cursor: pointer;
}
.chart-zoom-btn:hover { background: rgba(79,140,255,.15); color: #fff; }
.chart-wrap--color > #c-color-ts { height: 100%; width: 100%; }
/* Toolbar nativo oculto: la barra personalizada lo sustituye */
.chart-wrap--color .apexcharts-toolbar {
    width: 1px !important; height: 1px !important; overflow: hidden !important;
    opacity: 0 !important; pointer-events: none !important;
}
.card.small .chart-wrap { height: 240px; }
.card .chart-wrap > div { height: 100%; width: 100%; }
/* Toolbar ApexCharts: esquina superior derecha, sin solapar leyenda */
.card .chart-wrap .apexcharts-toolbar {
    top: 4px !important;
    right: 4px !important;
    z-index: 4;
}
.chart-wrap--color .apexcharts-legend {
    max-height: 88px;
    overflow-y: auto !important;
    padding-top: 4px !important;
}
.chart-section-head { margin-bottom: 8px; }
.chart-section-head h3 { margin: 0 0 4px; font-size: 15px; font-weight: 600; }
.chart-section-head .section-hint { margin: 0; }

/* ---------- Tables ---------- */
table.data { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data th, table.data td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); }
table.data th { color: var(--muted); font-weight: 500; }
table.data td.num, table.data th.num { text-align: right; font-variant-numeric: tabular-nums; }
table.data tr:hover td { background: var(--panel-2); }
.badge { padding: 2px 8px; border-radius: 20px; font-size: 12px; }
.badge.red { background: rgba(239,68,68,.15); color: #fca5a5; }
.badge.amber { background: rgba(245,158,11,.15); color: #fcd34d; }
.badge.blue { background: rgba(79,140,255,.15); color: #93c5fd; }
.badge.muted { background: rgba(139,151,173,.12); color: #b8c0d0; }
.section-hint { color: var(--muted); font-size: 12px; margin: -6px 0 14px; line-height: 1.45; }
.cell-muted { color: var(--muted); font-size: 11px; }
.abandoned-section { margin-top: 0; }
.abandoned-grid { margin-top: 16px; }
.abandoned-block {
    background: var(--panel-2); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px;
}
.abandoned-block h3 { margin: 0 0 12px; font-size: 14px; font-weight: 600; }
.abandoned-recency { margin-bottom: 8px; }

.mini-kpis { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 16px; }
.mini-kpi { background: var(--panel-2); border: 1px solid var(--border); border-radius: 10px; padding: 10px 14px; }
.mini-kpi .l { color: var(--muted); font-size: 12px; }
.mini-kpi .v { font-size: 18px; font-weight: 600; }

.section-title { font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; margin: 4px 0 12px; }

/* ---------- Ventas por color ---------- */
.product-filters { margin-bottom: 16px; }
.product-filters h3 { margin-bottom: 4px; }
.filter-bar {
    display: grid;
    grid-template-columns: minmax(200px, 1.3fr) minmax(200px, 1.1fr) 140px 140px;
    gap: 14px;
    margin-top: 14px;
}
.filter-field { display: flex; flex-direction: column; gap: 6px; }
.filter-field > span { font-size: 12px; color: var(--muted); font-weight: 500; text-transform: uppercase; letter-spacing: .04em; }
.filter-field select,
.filter-field input[type="search"] {
    width: 100%; padding: 9px 12px; border-radius: 8px;
    border: 1px solid var(--border); background: var(--panel-2); color: var(--text); font-size: 14px;
}
.filter-colors-block {
    margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border);
}
.filter-colors-head {
    display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
    margin-bottom: 10px;
}
.filter-colors-label { font-size: 12px; color: var(--muted); font-weight: 500; text-transform: uppercase; letter-spacing: .04em; }
.filter-colors-actions { display: flex; align-items: center; gap: 8px; }
.filter-link {
    background: none; border: none; color: var(--accent); cursor: pointer; font-size: 13px; padding: 0;
}
.filter-link:hover { text-decoration: underline; }
.filter-sep { color: var(--muted); }
.color-filter-list {
    display: flex; flex-wrap: wrap; gap: 8px;
    max-height: 180px; overflow-y: auto; padding: 4px 0;
}
.color-filter-item {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 12px; border-radius: 999px; border: 1px solid var(--border);
    background: var(--panel-2); cursor: pointer; font-size: 13px; user-select: none;
}
.color-filter-item:has(input:checked) {
    border-color: var(--accent); background: rgba(79,140,255,.12);
}
.color-filter-item input { accent-color: var(--accent); margin: 0; }
.color-filter-name { color: var(--text); }
.color-filter-qty { color: var(--muted); font-size: 11px; }
.product-color-results { margin-bottom: 16px; }
.products-dashboard { margin-top: 8px; }
.product-search-wrap { position: relative; }
.product-search-results {
    position: absolute; top: calc(100% + 6px); left: 0; right: 0; z-index: 20;
    background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
    max-height: 280px; overflow-y: auto; box-shadow: 0 12px 40px rgba(0,0,0,.35);
}
.product-search-results.hidden { display: none; }
.product-search-item {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    width: 100%; padding: 10px 12px; border: none; background: none; color: var(--text);
    text-align: left; cursor: pointer; font-size: 13px; border-bottom: 1px solid var(--border);
}
.product-search-item:last-child { border-bottom: none; }
.product-search-item:hover { background: var(--panel-2); }
.product-search-empty { padding: 12px; color: var(--muted); font-size: 13px; }
.product-color-selected { margin-bottom: 14px; font-size: 15px; }
.product-color-tables { margin-top: 16px; }
.muted-hint { color: var(--muted); font-size: 13px; padding: 8px 0; line-height: 1.5; }
.table-scroll { overflow-x: auto; }
table.data.pivot-table th, table.data.pivot-table td { white-space: nowrap; font-size: 12px; }
tr.product-row { cursor: pointer; }
tr.product-row:hover td { background: rgba(79,140,255,.08); }

@media (max-width: 900px) {
    .filter-bar { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
    .filter-bar { grid-template-columns: 1fr; }
}