/* ===========================================================
   EP Analytics — dashboard styles
   =========================================================== */

:root {
  --bg:           #07090f;
  --bg-card:      #11151f;
  --bg-card-2:    #181d2b;
  --bg-elev:      #1f2536;
  --border:       #232a3d;
  --border-soft:  #1b2132;
  --text:         #e8eaed;
  --text-muted:   #8a90a3;
  --text-faint:   #5a6075;
  --accent:       #ff3b3b;
  --accent-pink:  #ff5478;
  --good:         #28c76f;
  --warn:         #ffb340;
  --critical:     #ff453a;
  --info:         #5e9eff;
  --neutral:      #6b7080;
  --spike:        #b46cff;
  --shadow:       0 4px 20px rgba(0, 0, 0, 0.35);
  --radius:       10px;
  --radius-sm:    6px;
  --radius-xs:    4px;
}

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

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  font-feature-settings: "tnum" 1, "ss01" 1;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background:
    radial-gradient(1200px 600px at 0% 0%, rgba(255,59,59,0.05), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(94,158,255,0.04), transparent 65%),
    var(--bg);
  background-attachment: fixed;
}

code {
  font-family: "SF Mono", Monaco, Menlo, Consolas, "Courier New", monospace;
  font-size: 12px;
  background: var(--bg-elev);
  padding: 1px 5px;
  border-radius: 3px;
  color: var(--text-muted);
}

strong { color: var(--text); font-weight: 600; }
.muted { color: var(--text-faint); }
.muted-small { font-size: 11px; color: var(--text-faint); margin-top: 1px; }
.empty {
  padding: 20px;
  text-align: center;
  color: var(--text-faint);
  font-size: 12.5px;
  background: var(--bg-card-2);
  border-radius: var(--radius-sm);
}

/* ===========================================================
   Topbar
   =========================================================== */

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 32px 16px;
  border-bottom: 1px solid var(--border-soft);
  gap: 24px;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(7, 9, 15, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.brand { display: flex; align-items: center; gap: 14px; }
.logo {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-pink) 100%);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 16px;
  color: white;
  letter-spacing: 0.5px;
  flex-shrink: 0;
  box-shadow: 0 6px 20px rgba(255, 59, 59, 0.25);
}
.brand-text h1 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.3px;
  color: var(--text);
}
.brand-text .subtitle {
  margin-top: 3px;
  color: var(--text-muted);
  font-size: 12px;
}
.subtitle .hr {
  display: inline-block;
  width: 1px; height: 10px;
  background: var(--border);
  margin: 0 8px;
  vertical-align: middle;
}

.meta-right { display: flex; gap: 22px; flex-wrap: wrap; }
.meta-item { display: flex; flex-direction: column; align-items: flex-end; }
.meta-item .label {
  font-size: 10px; text-transform: uppercase; letter-spacing: 0.8px;
  color: var(--text-faint);
}
.meta-item .value {
  margin-top: 2px;
  font-size: 13px;
  color: var(--text);
  font-weight: 500;
}

/* ===========================================================
   Tabs
   =========================================================== */

.tabs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px;
  padding: 8px 28px 0;
  border-bottom: 1px solid var(--border-soft);
  background: rgba(7, 9, 15, 0.6);
  position: sticky;
  top: 78px;
  z-index: 9;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.tab {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 10px 14px 11px;
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color 0.12s, border-color 0.12s, background 0.12s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 6px 6px 0 0;
}
.tab:hover { color: var(--text); background: rgba(255,255,255,0.02); }
.tab.active {
  color: var(--text);
  border-bottom-color: var(--accent);
  background: rgba(255, 59, 59, 0.04);
}
.tab.brand { color: var(--text-faint); }
.tab.brand:hover, .tab.brand.active { color: var(--text); }
.tab.brand.active { border-bottom-color: var(--spike); background: rgba(180, 108, 255, 0.06); }

.tab .ticn {
  font-size: 11px;
  color: var(--text-faint);
  line-height: 1;
  letter-spacing: -1px;
}
.tab.active .ticn { color: var(--accent); }
.tab.brand .ticn { color: var(--text-faint); }
.tab.brand.active .ticn { color: var(--spike); }
.tab .tlabel { line-height: 1; }

/* ===========================================================
   Main + panels
   =========================================================== */

main {
  padding: 22px 32px 60px;
  max-width: 1400px;
  margin: 0 auto;
  animation: fadein 0.18s ease;
}

@keyframes fadein {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===========================================================
   Banners
   =========================================================== */

.banner {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 11px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left-width: 3px;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
}
.banner.info     { border-left-color: var(--info);     background: linear-gradient(90deg, rgba(94,158,255,0.07), rgba(94,158,255,0.01) 60%); }
.banner.good     { border-left-color: var(--good);     background: linear-gradient(90deg, rgba(40,199,111,0.07), rgba(40,199,111,0.01) 60%); }
.banner.warn     { border-left-color: var(--warn);     background: linear-gradient(90deg, rgba(255,179,64,0.07), rgba(255,179,64,0.01) 60%); }
.banner.critical { border-left-color: var(--critical); background: linear-gradient(90deg, rgba(255,69,58,0.08), rgba(255,69,58,0.01) 60%); }
.banner.spike    { border-left-color: var(--spike);    background: linear-gradient(90deg, rgba(180,108,255,0.08), rgba(180,108,255,0.01) 60%); }
.banner.neutral  { border-left-color: var(--neutral);  background: linear-gradient(90deg, rgba(107,112,128,0.07), rgba(107,112,128,0.01) 60%); }

.banner .bdot {
  width: 8px; height: 8px;
  border-radius: 50%;
  margin-top: 6px;
  flex-shrink: 0;
}
.banner.info .bdot     { background: var(--info); }
.banner.good .bdot     { background: var(--good); }
.banner.warn .bdot     { background: var(--warn); }
.banner.critical .bdot { background: var(--critical); }
.banner.spike .bdot    { background: var(--spike); }
.banner.neutral .bdot  { background: var(--neutral); }

.banner-body { flex: 1; }
.banner-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 3px;
}
.banner-title .sev {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 1px 6px;
  border-radius: 3px;
  margin-right: 8px;
  vertical-align: 1px;
}
.banner.info .sev     { background: rgba(94,158,255,0.18);  color: var(--info); }
.banner.good .sev     { background: rgba(40,199,111,0.18);  color: var(--good); }
.banner.warn .sev     { background: rgba(255,179,64,0.18);  color: var(--warn); }
.banner.critical .sev { background: rgba(255,69,58,0.18);   color: var(--critical); }
.banner.spike .sev    { background: rgba(180,108,255,0.20); color: var(--spike); }
.banner.neutral .sev  { background: rgba(107,112,128,0.18); color: var(--neutral); }

.banner-text { font-size: 12.5px; color: var(--text-muted); line-height: 1.55; }

/* ===========================================================
   KPI cards
   =========================================================== */

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin: 14px 0 8px;
}
.kpi {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  position: relative;
  overflow: hidden;
}
.kpi::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.025), transparent 40%);
  pointer-events: none;
}
.kpi .label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.9px;
  color: var(--text-faint);
  position: relative;
}
.kpi .value {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.6px;
  color: var(--text);
  position: relative;
}
.kpi .value.neg { color: var(--critical); }
.kpi .sub {
  font-size: 11.5px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  position: relative;
}
.kpi .sub .pill {
  padding: 1px 7px;
  border-radius: 10px;
  font-size: 10.5px;
  font-weight: 600;
}
.pill.good     { background: rgba(40,199,111,0.16);  color: var(--good); }
.pill.warn     { background: rgba(255,179,64,0.16);  color: var(--warn); }
.pill.critical { background: rgba(255,69,58,0.17);   color: var(--critical); }
.pill.info     { background: rgba(94,158,255,0.16);  color: var(--info); }
.pill.spike    { background: rgba(180,108,255,0.18); color: var(--spike); }
.pill.neutral  { background: rgba(107,112,128,0.16); color: var(--neutral); }

/* ===========================================================
   Sections
   =========================================================== */

.section {
  margin-top: 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 14px 18px 18px;
}
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  gap: 12px;
  flex-wrap: wrap;
}
.section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}
.section-hint { font-size: 11.5px; color: var(--text-faint); }

/* ===========================================================
   Charts
   =========================================================== */

.chart-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 8px;
}
@media (max-width: 1100px) { .chart-grid { grid-template-columns: 1fr; } }

.chart {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 14px 14px 10px;
}
.chart h3 {
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 2px;
}
.chart .chart-hint { font-size: 11px; color: var(--text-faint); margin-bottom: 10px; }
.chart svg { width: 100%; display: block; }
.chart .row-label { font-size: 11.5px; fill: var(--text-muted); }
.chart .row-value { font-size: 11px; fill: var(--text); font-weight: 600; }
.chart .axis-label { font-size: 10px; fill: var(--text-faint); }
.chart .row-plan         { fill: rgba(140,150,180,0.30); }
.chart .row-fact-good    { fill: #28c76f; }
.chart .row-fact-warn    { fill: #ffb340; }
.chart .row-fact-critical{ fill: #ff5050; }
.chart .row-fact-info    { fill: #5e9eff; }
.chart .row-fact-spike   { fill: #b46cff; }
.chart .row-fact-neutral { fill: #6b7080; }
.chart .row-zero {
  stroke: #2a3045;
  stroke-width: 1;
  stroke-dasharray: 3 3;
}

/* Sparkline (inline in tables) */
.sparkline {
  display: inline-block;
  vertical-align: middle;
  overflow: visible;
}

/* Multi-brand trend legend */
.chart .legend-name  { font-size: 12px; fill: var(--text); font-weight: 500; }
.chart .legend-value { font-size: 11px; fill: var(--text-muted); }

/* Waterfall */
.chart .wf-value     { font-size: 11px; fill: var(--text); font-weight: 600; }
.chart .wf-label     { font-size: 11px; fill: var(--text-muted); }
.chart .wf-label-sub { font-size: 10px; fill: var(--text-faint); }

/* Donut */
.chart .donut-center { font-size: 18px; fill: var(--text); font-weight: 700; letter-spacing: -0.4px; }
.chart .donut-sub    { font-size: 10px; fill: var(--text-faint); text-transform: uppercase; letter-spacing: 0.8px; }

/* Top-SKU bar chart */
.chart .row-sub { font-size: 10.5px; fill: var(--text-faint); }

/* ===========================================================
   Tables
   =========================================================== */

.table-wrap { overflow-x: auto; }
table.t {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}
table.t th, table.t td {
  text-align: right;
  padding: 9px 10px;
  border-bottom: 1px solid var(--border-soft);
  white-space: nowrap;
  vertical-align: middle;
}
table.t th {
  font-weight: 600;
  color: var(--text-faint);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  text-align: right;
  border-bottom-color: var(--border);
}
table.t th:first-child, table.t td:first-child { text-align: left; }
table.t tr.total td {
  font-weight: 700;
  background: var(--bg-elev);
  border-bottom: none;
}
table.t tr.total td:first-child { border-top-left-radius: 5px; }
table.t tr.total td:last-child  { border-top-right-radius: 5px; }
table.t td.muted { color: var(--text-faint); }
table.t td.neg { color: var(--critical); }
table.t td.pos { color: var(--good); }
table.t .ch-name {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
table.t .ch-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}
.ch-dot.good     { background: var(--good); }
.ch-dot.warn     { background: var(--warn); }
.ch-dot.critical { background: var(--critical); }
.ch-dot.spike    { background: var(--spike); }
.ch-dot.neutral  { background: var(--neutral); }
.ch-dot.info     { background: var(--info); }

/* ===========================================================
   Observations list
   =========================================================== */

.observations ol {
  list-style: none;
  counter-reset: obs;
}
.observations li {
  counter-increment: obs;
  padding: 9px 0 9px 30px;
  position: relative;
  border-bottom: 1px solid var(--border-soft);
  font-size: 12.5px;
  color: var(--text-muted);
}
.observations li:last-child { border-bottom: none; }
.observations li::before {
  content: counter(obs);
  position: absolute; left: 0; top: 9px;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--bg-elev);
  color: var(--text);
  font-size: 11px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.observations li strong { color: var(--text); }

/* ===========================================================
   Top SKUs
   =========================================================== */

.sku-list { display: flex; flex-direction: column; gap: 6px; }
.sku-row {
  display: grid;
  grid-template-columns: 30px 1fr 140px 130px 70px;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  background: var(--bg-card-2);
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  transition: background 0.12s;
}
.sku-row:hover { background: #1d2333; }
.sku-rank {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--bg-elev);
  color: var(--text-muted);
  font-size: 11px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.sku-row.rank-1 .sku-rank {
  background: linear-gradient(135deg, var(--accent), var(--accent-pink));
  color: white;
  box-shadow: 0 2px 8px rgba(255, 59, 59, 0.3);
}
.sku-name {
  color: var(--text);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sku-rev { text-align: right; font-weight: 600; color: var(--text); }
.sku-margin { text-align: right; font-size: 12px; color: var(--text-muted); }
.sku-margin.neg { color: var(--critical); }
.sku-margin.pos { color: var(--good); }
.sku-qty { text-align: right; font-size: 12px; color: var(--text-faint); }
.sku-share {
  font-size: 10px;
  color: var(--text-faint);
  font-weight: 400;
  margin-top: 1px;
}

/* ===========================================================
   Action items
   =========================================================== */

.action-list { display: flex; flex-direction: column; gap: 6px; }
.action-item {
  display: flex;
  gap: 12px;
  padding: 11px 14px;
  background: var(--bg-card-2);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--neutral);
}
.action-item.critical { border-left-color: var(--critical); background: linear-gradient(90deg, rgba(255,69,58,0.06), transparent 50%), var(--bg-card-2); }
.action-item.warn     { border-left-color: var(--warn);     background: linear-gradient(90deg, rgba(255,179,64,0.06), transparent 50%), var(--bg-card-2); }
.action-item.good     { border-left-color: var(--good);     background: linear-gradient(90deg, rgba(40,199,111,0.06), transparent 50%), var(--bg-card-2); }
.action-item.info     { border-left-color: var(--info);     background: linear-gradient(90deg, rgba(94,158,255,0.06), transparent 50%), var(--bg-card-2); }
.action-item .adot {
  width: 8px; height: 8px; border-radius: 50%;
  margin-top: 6px; flex-shrink: 0;
}
.action-item.critical .adot { background: var(--critical); }
.action-item.warn .adot     { background: var(--warn); }
.action-item.good .adot     { background: var(--good); }
.action-item.info .adot     { background: var(--info); }
.action-item.neutral .adot  { background: var(--neutral); }
.action-item .body { flex: 1; min-width: 0; }
.action-item .title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 3px;
}
.action-item .meta {
  font-size: 11.5px;
  color: var(--text-faint);
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.action-item .meta strong {
  color: var(--text-muted);
  font-weight: 500;
}

/* ===========================================================
   Footer
   =========================================================== */

.footer {
  padding: 20px 32px;
  border-top: 1px solid var(--border-soft);
  color: var(--text-faint);
  font-size: 11.5px;
}
.footer .hr {
  display: inline-block;
  width: 1px; height: 10px;
  background: var(--border);
  margin: 0 8px;
  vertical-align: middle;
}

/* ===========================================================
   Responsive
   =========================================================== */

@media (max-width: 980px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .topbar { padding: 14px 16px; }
  .tabs { padding: 6px 14px 0; top: 64px; }
  main { padding: 16px 16px 40px; }
  .meta-right { gap: 18px; }
  .meta-item { align-items: flex-start; }
  .kpi .value { font-size: 20px; }
}
@media (max-width: 560px) {
  .kpi-grid { grid-template-columns: 1fr; }
  .brand-text h1 { font-size: 16px; }
  .sku-row {
    grid-template-columns: 26px 1fr 100px;
    gap: 8px;
  }
  .sku-margin, .sku-qty { display: none; }
  .tabs { gap: 0; }
  .tab { padding: 8px 10px; font-size: 12px; }
}