:root {
  /* ── Colors ── */
  --bg: #0b1220;
  --bg-elevated: #0f1829;
  --card: #151c2c;
  --accent: #5ce1e6;
  --accent-2: #9a6bff;
  --text: #e8edf5;
  --muted: #a0b1c5;
  --danger: #f25f5c;
  --danger-strong: #ef4444;
  --success: #22c55e;
  --warning: #eab308;
  --info: #3b82f6;
  --border: #1f2a3d;
  --color-abc-a: #22c55e;
  --color-abc-b: #eab308;
  --color-abc-c: #ef4444;

  /* ── Spacing scale (4px base) ── */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;

  /* ── Border radius ── */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 10px;
  --radius-xl: 12px;
  --radius-2xl: 14px;
  --radius-full: 999px;

  /* ── Shadows ── */
  --shadow-sm: 0 4px 12px rgba(0,0,0,0.15);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.18);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.28);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.28);

  /* ── Transitions ── */
  --transition-fast: 120ms ease;
  --transition-normal: 150ms ease;
  --transition-slow: 300ms ease;

  /* ── Typography ── */
  --font-family: 'Segoe UI', Tahoma, sans-serif;
  --text-xs: 12px;
  --text-sm: 13px;
  --text-base: 14px;
  --text-md: 15px;
  --text-lg: 16px;
  --text-xl: 18px;
  --text-2xl: 22px;
  --text-3xl: 28px;
}

* { box-sizing: border-box; }

/* ── Focus styles for keyboard navigation ── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
button:focus-visible, .chip:focus-visible, a:focus-visible, select:focus-visible, input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(92,225,230,0.2);
}
/* Remove default outline for mouse users */
:focus:not(:focus-visible) { outline: none; }

/* Screen reader only utility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

body {
  margin: 0;
  font-family: var(--font-family);
  background: radial-gradient(circle at 20% 20%, #15213a, var(--bg) 50%), var(--bg);
  color: var(--text);
}

a { color: var(--accent); text-decoration: none; }

.auth-body, .dash-body { min-height: 100vh; }

.auth-body {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.auth-card {
  background: var(--card);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  width: 100%;
  max-width: 380px;
  box-shadow: var(--shadow-lg);
}
.auth-card h1 { margin: 0 0 24px; }
.auth-card button[type="submit"] {
  width: 100%;
  padding: 14px;
  font-size: 16px;
  margin-top: 8px;
  letter-spacing: 0.5px;
}
.auth-card .message {
  text-align: center;
  font-size: 14px;
  padding: 8px;
  border-radius: var(--radius-md);
  background: rgba(239, 68, 68, 0.1);
}

label {
  display: block;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 14px;
}

input, select {
  width: 100%;
  padding: 10px var(--space-3);
  margin-top: var(--space-1);
  border-radius: var(--radius-md);
  border: 1px solid #253149;
  background: var(--bg-elevated);
  color: var(--text);
}

button {
  border: none;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #4361ee, var(--accent));
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  padding: 10px var(--space-3);
}

button:hover { transform: translateY(-1px); box-shadow: 0 8px 20px rgba(92, 225, 230, 0.3); }

.message { margin-top: 10px; color: var(--danger); min-height: 18px; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 24px;
  backdrop-filter: blur(8px);
  background: rgba(11, 18, 32, 0.9);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand h1 { margin: 0; font-size: 22px; font-weight: 800; }
.subtitle { margin: 4px 0 0; color: var(--muted); font-size: 14px; opacity: 1; }

.controls {
  display: flex;
  align-items: center;
  gap: 10px;
}
.controls select { width: auto; min-width: 140px; }
.updated { color: var(--muted); font-size: 13px; }

.filters-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 4px 0 6px;
}
.filter { display: flex; flex-direction: column; gap: 4px; color: var(--muted); font-size: 13px; }
.filter select { min-width: 160px; }

.logout {
  padding: 9px 12px;
  border-radius: 8px;
  background: #1f2a40;
}

.layout {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 16px 24px 32px;
}

.card {
  background: var(--card);
  border-radius: var(--radius-2xl);
  padding: var(--space-5) var(--space-5);
  box-shadow: var(--shadow-md);
  margin: 0;
}

.kpi-card { padding: 16px 16px 20px; }
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}
.kpi {
  background: var(--bg-elevated);
  border-left: 4px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-4) var(--space-4) var(--space-5);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
  position: relative;
}
.kpi-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 6px; }
.kpi .label { color: var(--muted); font-size: 13px; font-weight: 600; opacity: 0.8; white-space: nowrap; }
.kpi .value { font-size: var(--text-3xl); font-weight: 800; line-height: 1.1; white-space: nowrap; }
.kpi .value.value-small { font-size: 22px; }
.kpi .delta { font-size: 13px; font-weight: 700; color: var(--muted); line-height: 1.4; display: flex; align-items: baseline; gap: 3px; flex-wrap: wrap; margin-top: 4px; }
.kpi .delta .arrow { font-size: 14px; flex-shrink: 0; }
.kpi .delta.up { color: var(--success); }
.kpi .delta.down { color: var(--danger-strong); }
.kpi.pos { border-left-color: var(--success); }
.kpi.neg { border-left-color: var(--danger-strong); }
.kpi.flat { border-left-color: var(--border); }
.kpi:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.spark { width: 90px; height: 44px; flex-shrink: 0; }
.unit { font-size: 75%; opacity: 0.85; }
.kpi .delta .unit { font-size: 100%; opacity: 0.9; }

.chart { width: 100%; height: 380px; }

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.section-hint {
  font-size: 12px;
  color: var(--muted);
  width: 100%;
  margin-top: -4px;
}

.section-link {
  color: #5ce1e6;
  text-decoration: none;
  font-size: 12px;
  transition: opacity 0.15s;
}
.section-link:hover {
  opacity: 0.8;
  text-decoration: underline;
}

.chip-group {
  display: flex;
  gap: 6px;
  padding: 3px;
  background: #ffffff0a;
  border-radius: 8px;
}
.chip {
  border: none;
  background: transparent;
  color: var(--text);
  opacity: 0.5;
  padding: 10px var(--space-3);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-sm);
  font-size: var(--text-md);
  cursor: pointer;
  transition: background-color var(--transition-normal), color var(--transition-normal), opacity var(--transition-normal);
}
.chip.active {
  background: var(--accent);
  color: #ffffff;
  opacity: 1;
}

.tops {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.tops-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 14px;
}
.tops-column { background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-3); }
.top-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.top-item {
  padding: var(--space-2) 12px;
  background: #0c1422;
  border-radius: var(--radius-md);
}
.top-item .top-row { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.top-item .name { color: var(--text); font-weight: 650; font-size: 14px; }
.top-item .val { color: var(--muted); font-size: 13px; font-weight: 650; }
.top-item .val.pos { color: #4ade80; }
.top-item .val.neg { color: #f87171; }
.top-item .sub { color: var(--muted); font-size: 13px; display: block; margin-top: 4px; }
.top-bar { margin-top: 6px; width: 100%; height: 7px; border-radius: 4px; background: #0f1624; overflow: hidden; }
.top-bar-fill { height: 100%; }
.top-bar-fill.pos { background: linear-gradient(90deg, #5ce1e6, #9a6bff); }
.top-bar-fill.neg { background: linear-gradient(90deg, #f87171, #ef4444); }

.factor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.insight { color: var(--muted); font-size: 13px; margin: 4px 0 8px; }

.alert {
  position: fixed;
  top: var(--space-3);
  left: 50%;
  transform: translateX(-50%);
  background: var(--danger);
  color: #fff;
  padding: 10px var(--space-4);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  z-index: 100;
}
.alert.hidden { display: none; }

.dq {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 8px;
}
.dq-item {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px;
}
.dq-item.ok { border-color: #1f3a2a; }
.dq-item.warn { border-color: #4d1f1f; }
.dq-item span { color: var(--muted); font-size: 12px; display: block; }
.dq-item strong { font-size: 18px; font-weight: 700; }
.dq-item small { color: var(--muted); font-size: 12px; }

.abc-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 24px;
  margin-top: 10px;
}
.abc-matrix-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
  margin-top: 10px;
  align-items: start;
  overflow: hidden;
}
.abc-matrix-grid > * { min-width: 0; }
.abc-table .table { margin-top: 6px; }
.table-row { display: grid; grid-template-columns: 1fr 0.6fr 0.6fr 0.6fr 0.4fr; gap: 8px; padding: 8px 10px; border-bottom: 1px solid #1b2436; }
.table-row.matrix { grid-template-columns: 1fr 0.6fr 0.6fr 0.35fr 0.35fr 0.5fr; }
.table-row:nth-child(odd) { background: rgba(255, 255, 255, 0.03); }
.table-row:nth-child(even) { background: transparent; }
.table-row:hover { background: rgba(255, 255, 255, 0.07); }
.table-header { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.12em; opacity: 0.85; }
#abc-table-body { max-height: 420px; overflow-y: auto; overflow-x: hidden; }
.table-row span.right { text-align: right; }
.neg-margin { color: #ef4444; font-weight: 700; }
.cum-cell { display: flex; align-items: center; justify-content: flex-end; gap: 6px; position: relative; }
.cum-bar { position: relative; width: 60px; height: 6px; background: #0f1624; border-radius: 999px; overflow: hidden; border: 1px solid #1f2a3d; }
.cum-bar.A span { display: block; height: 100%; background: var(--color-abc-a); }
.cum-bar.B span { display: block; height: 100%; background: var(--color-abc-b); }
.cum-bar.C span { display: block; height: 100%; background: var(--color-abc-c); }
.cum-bar:not(.A):not(.B):not(.C) span { display: block; height: 100%; background: linear-gradient(90deg, #22c55e, #5ce1e6); }
.cum-text { min-width: 54px; text-align: right; }
.table-row .badge { padding: 4px 9px; border-radius: 999px; font-weight: 800; font-size: 13px; letter-spacing: 0.02em; }
.badge.A { background: color-mix(in srgb, var(--color-abc-a) 20%, transparent); color: var(--color-abc-a); }
.badge.B { background: color-mix(in srgb, var(--color-abc-b) 20%, transparent); color: var(--color-abc-b); }
.badge.C { background: color-mix(in srgb, var(--color-abc-c) 20%, transparent); color: var(--color-abc-c); }
.abc-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.abc-chart-wrap { background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 10px; }
.abc-chart-wrap { position: relative; overflow: hidden; }
.abc-chart-wrap .chart { width: 100%; height: 340px; }
#abc-dynamics.chart { max-height: 340px; }
#abc-dynamics { max-height: 420px; overflow-y: auto; overflow-x: hidden; }

/* Nav tabs */
.nav-tabs { display: flex; justify-content: flex-start; gap: 8px; margin: 4px 0 4px; }

/* Recommendations */
.rec-card { padding: 14px; }
.rec-header { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.rec-sub { color: var(--muted); font-size: 13px; }
.rec-badge { background: #1f2a3d; color: #fff; padding: 4px 8px; border-radius: 12px; font-weight: 700; font-size: 12px; }
.rec-table { width: 100%; border-collapse: collapse; margin-top: 12px; }
.rec-table thead th { text-align: left; padding: 8px; font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); cursor: pointer; }
.rec-table tbody td { padding: 10px 8px; font-size: 13px; }
.rec-table tbody tr:nth-child(odd) { background: rgba(255,255,255,0.03); }
.rec-table tbody tr:hover { background: rgba(255,255,255,0.07); }

.plan-summary { display: grid; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); gap: 10px; margin-bottom: 14px; }
.plan-card { background: #111827; border-radius: 10px; padding: 12px 14px; border: 1px solid #1f2937; }
.plan-card h4 { margin: 0 0 6px; font-size: 13px; color: var(--muted); font-weight: 600; }
.plan-card .plan-value { font-size: 20px; font-weight: 800; }
.plan-card.highlight { background: rgba(34,197,94,0.12); }
.plan-table-wrap .table-row { grid-template-columns: 0.8fr 1fr 0.6fr 0.6fr 0.6fr; align-items: center; }
.plan-progress { width: 100%; height: 6px; background: rgba(255,255,255,0.08); border-radius: 999px; overflow: hidden; }
.plan-progress span { display: block; height: 100%; border-radius: 999px; }
.plan-fulfill { display: flex; flex-direction: column; gap: 4px; }
.plan-bad { background: rgba(239,68,68,0.07); }
.plan-good { background: rgba(34,197,94,0.07); }
.rec-pct { font-size: 20px; font-weight: 800; color: var(--color-abc-a); display: flex; align-items: center; gap: 6px; }
.rec-pct.down { color: var(--color-abc-c); }
.rec-delta { font-size: 12px; color: var(--muted); display: inline-flex; align-items: center; gap: 3px; }
.rec-delta.up { color: var(--color-abc-a); }
.rec-delta.down { color: var(--color-abc-c); }
.rec-spark { width: 80px; height: 32px; }
.rec-plan-input { width: 110px; padding: 6px 8px; border-radius: var(--radius-sm); border: 1px solid #253149; background: var(--bg-elevated); color: var(--text); }
.rec-reason { background: color-mix(in srgb, var(--color-abc-a) 20%, transparent); color: var(--color-abc-a); padding: 4px 8px; border-radius: 12px; font-weight: 700; font-size: 12px; }

/* Breakdown */
.breakdown-card { padding: 14px; }
.verdict {
  padding: 14px;
  border-radius: 10px;
  color: #fff;
  font-weight: 800;
  font-size: 18px;
  margin-bottom: 12px;
}
.verdict.red { background: rgba(239, 68, 68, 0.2); border: 1px solid #ef4444; }
.verdict.green { background: rgba(34, 197, 94, 0.2); border: 1px solid #22c55e; }
.verdict-sub { font-size: 13px; font-weight: 600; opacity: 0.9; }
.breakdown-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.waterfall { width: 100%; height: 360px; }
.waterfall.compare { height: 320px; }
.factor-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 16px; }
.factor-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 10px;
}
.factor-card .title { font-weight: 700; margin-bottom: 6px; display: flex; align-items: center; gap: 6px; }
.factor-card .value { font-weight: 800; font-size: 16px; }
.factor-card .desc { color: var(--muted); font-size: 12px; }

.contrib-section { margin-top: 14px; }
.contrib-section h4 { margin: 0 0 8px; }
.contrib-table { width: 100%; border-collapse: collapse; }
.contrib-table thead th { text-align: left; padding: 8px; font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.contrib-table tbody td { padding: 10px 8px; font-size: 13px; }
.contrib-table tbody tr:nth-child(odd) { background: rgba(255,255,255,0.03); }
.contrib-table tbody tr:hover { background: rgba(255,255,255,0.07); cursor: pointer; }
.contrib-delta.up { color: var(--color-abc-a); font-weight: 700; }
.contrib-delta.down { color: var(--color-abc-c); font-weight: 700; }
.revenue-breakdown-section { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 16px; }
.revenue-change-table thead th.right,
.revenue-change-table tbody td.right,
.revenue-change-table tfoot td.right { text-align: right; }
.revenue-change-table tfoot td { padding: 10px 8px; font-size: 13px; border-top: 1px solid var(--border); }
.contrib-reason { padding: 4px 8px; border-radius: 10px; font-weight: 700; font-size: 12px; background: #1f2a3d; color: #fff; }
.mini-wf { display: flex; width: 140px; height: 10px; border-radius: 6px; overflow: hidden; background: #0f1624; }
.mini-wf span { display: block; height: 100%; }
.mini-wf .pos { background: var(--color-abc-a); }
.mini-wf .neg { background: var(--color-abc-c); }
.mini-wf .zero { background: #475569; }
.compare-controls { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; flex-wrap: wrap; }
.diff-chips { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.diff-chip { padding: 4px 8px; border-radius: 10px; border: 1px solid var(--border); font-size: 12px; }
.diff-chip.up { color: var(--color-abc-a); border-color: var(--color-abc-a); }
.diff-chip.down { color: var(--color-abc-c); border-color: var(--color-abc-c); }

.summary-block {
  margin-top: 14px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-elevated);
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: flex-start;
}
.summary-text { color: var(--text); font-size: 14px; line-height: 1.5; }
.summary-title { font-weight: 800; margin-bottom: 6px; display: flex; align-items: center; gap: 6px; }
.copy-btn { border: 1px solid var(--border); background: #111a2d; color: #fff; border-radius: 8px; padding: 6px 10px; cursor: pointer; }
.message { color: var(--danger); font-size: 12px; }
.table-body-scroll { max-height: 440px; overflow-y: auto; padding-right: 4px; }
#abc-matrix-table.table-body-scroll { max-height: 420px; overflow-y: auto; overflow-x: hidden; }

/* Executive Briefing */
.briefing-card { padding: 16px 20px; }
.briefing-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.briefing-title { margin: 0; font-size: 18px; font-weight: 800; }
.briefing-text { color: var(--text); font-size: 15px; line-height: 1.6; }
.briefing-text strong { color: var(--accent); }
.briefing-cause { font-size: 14px; line-height: 1.5; color: var(--muted); margin-top: 8px; }

/* Action Items */
.action-items-card { padding: 16px 20px; }
.action-items-card h3 { margin: 0 0 12px; font-size: 18px; font-weight: 800; }
.action-items { display: flex; flex-direction: column; gap: 8px; }
.action-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px var(--space-3);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
}
.action-item .priority-badge {
  padding: 3px var(--space-2);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
}
.action-item .priority-badge.high { background: rgba(239,68,68,0.15); color: #ef4444; }
.action-item .priority-badge.medium { background: rgba(234,179,8,0.15); color: #eab308; }
.action-item .priority-badge.low { background: rgba(34,197,94,0.15); color: #22c55e; }
.action-item .action-text { font-size: 14px; line-height: 1.4; }

/* RFM Insights */
.rfm-insights { display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; }
.rfm-insight { display: block; font-size: 14px; line-height: 1.5; padding: 8px 12px; border-radius: 8px; }
.rfm-insight.danger { background: rgba(239,68,68,0.1); color: #fca5a5; }
.rfm-insight.success { background: rgba(34,197,94,0.1); color: #86efac; }
.rfm-insight.info { background: rgba(99,102,241,0.1); color: #a5b4fc; }

/* KPI traffic lights */
.kpi.traffic-green { border-left-color: var(--success); background: rgba(34,197,94,0.06); }
.kpi.traffic-yellow { border-left-color: #eab308; background: rgba(234,179,8,0.06); }
.kpi.traffic-red { border-left-color: var(--danger-strong); background: rgba(239,68,68,0.06); }

/* ═══════════════════════════════════════════
   EXPORT BUTTON
   ═══════════════════════════════════════════ */
.export-btn {
  background: rgba(92,225,230,0.1);
  border: 1px solid rgba(92,225,230,0.3);
  color: var(--accent);
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 150ms ease;
  white-space: nowrap;
}
.export-btn:hover {
  background: rgba(92,225,230,0.2);
  transform: none;
  box-shadow: none;
}

/* ═══════════════════════════════════════════
   LOADING OVERLAY & SKELETON
   ═══════════════════════════════════════════ */
.loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(11,18,32,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
  border-radius: inherit;
  backdrop-filter: blur(2px);
}
.loading-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid rgba(92,225,230,0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.skeleton-line {
  height: 16px;
  background: linear-gradient(90deg, #1a2332 25%, #243044 50%, #1a2332 75%);
  background-size: 400% 100%;
  animation: shimmer 1.5s ease infinite;
  border-radius: 6px;
  margin-bottom: 10px;
}
.skeleton-line:nth-child(2) { width: 85%; }
.skeleton-line:nth-child(3) { width: 70%; }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

.skeleton-pulse {
  background: linear-gradient(90deg, #1a2332 25%, #243044 50%, #1a2332 75%);
  background-size: 400% 100%;
  animation: shimmer 1.5s ease infinite;
}

.skeleton-table-row {
  display: flex;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.03);
}
.skeleton-table-row .skeleton-line { margin-bottom: 0; }

/* Empty state */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 16px;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
  gap: 8px;
}
.empty-state .empty-icon { font-size: 32px; opacity: 0.5; }
.empty-state .empty-text { max-width: 300px; line-height: 1.4; }

/* Error state */
.error-state {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-radius: 8px;
  background: rgba(239,68,68,0.08);
  border: 1px solid rgba(239,68,68,0.2);
  color: #fca5a5;
  font-size: 13px;
  margin: 8px 0;
}
.error-state .retry-btn {
  margin-left: auto;
  background: rgba(239,68,68,0.15);
  border: 1px solid rgba(239,68,68,0.3);
  color: #fca5a5;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
}
.error-state .retry-btn:hover { background: rgba(239,68,68,0.25); transform: none; box-shadow: none; }

/* ═══════════════════════════════════════════
   SORTABLE TABLE HEADERS
   ═══════════════════════════════════════════ */
.sortable-header { position: relative; }
.sortable-header::after {
  content: '⇅';
  margin-left: 4px;
  opacity: 0.3;
  font-size: 10px;
}
.sortable-header.sort-asc::after { content: '↑'; opacity: 0.9; color: var(--accent); }
.sortable-header.sort-desc::after { content: '↓'; opacity: 0.9; color: var(--accent); }

/* ═══════════════════════════════════════════
   FILTER MANAGEMENT
   ═══════════════════════════════════════════ */
.filter-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  align-self: flex-end;
}
.filter-badge {
  background: rgba(92,225,230,0.15);
  color: var(--accent);
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}
.filter-reset-btn {
  background: rgba(242,95,92,0.12);
  border: 1px solid rgba(242,95,92,0.3);
  color: var(--danger);
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 150ms;
}
.filter-reset-btn:hover {
  background: rgba(242,95,92,0.25);
  transform: none;
  box-shadow: none;
}

/* Filter presets */
.filter-presets {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  align-items: center;
}
.preset-save-btn {
  background: rgba(234,179,8,0.1);
  border: 1px solid rgba(234,179,8,0.3);
  color: #eab308;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
}
.preset-save-btn:hover { background: rgba(234,179,8,0.2); transform: none; box-shadow: none; }
.preset-chip {
  background: rgba(154,107,255,0.12);
  border: 1px solid rgba(154,107,255,0.3);
  color: var(--accent-2);
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 12px;
  cursor: pointer;
  transition: all 150ms;
}
.preset-chip:hover { background: rgba(154,107,255,0.25); }
.preset-remove {
  margin-left: 4px;
  opacity: 0.5;
  font-weight: 700;
  cursor: pointer;
}
.preset-remove:hover { opacity: 1; color: var(--danger); }

/* ═══════════════════════════════════════════
   TOAST NOTIFICATIONS
   ═══════════════════════════════════════════ */
#toast-container {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  transform: translateX(120%);
  transition: transform 300ms ease;
  max-width: 320px;
}
.toast.show { transform: translateX(0); }
.toast-info { background: #1e3a5f; color: #93c5fd; border-left: 3px solid #3b82f6; }
.toast-success { background: #14532d; color: #86efac; border-left: 3px solid #22c55e; }
.toast-warning { background: #422006; color: #fbbf24; border-left: 3px solid #eab308; }
.toast-error { background: #450a0a; color: #fca5a5; border-left: 3px solid #ef4444; }

/* ═══════════════════════════════════════════
   KPI CLICKABLE (drill-down)
   ═══════════════════════════════════════════ */
.kpi.clickable { cursor: pointer; }
.kpi.clickable:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 14px 36px rgba(0,0,0,0.35);
}

/* ═══════════════════════════════════════════
   SIGNALS / KEY CHANGES BLOCK
   ═══════════════════════════════════════════ */
.signals-card {
  padding: 14px 18px;
}
.signals-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.signal-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  line-height: 1.4;
  border-left: 3px solid transparent;
}
.signal-item.danger { background: rgba(239,68,68,0.08); border-left-color: #ef4444; }
.signal-item.warning { background: rgba(234,179,8,0.08); border-left-color: #eab308; }
.signal-item.success { background: rgba(34,197,94,0.08); border-left-color: #22c55e; }
.signal-item.info { background: rgba(59,130,246,0.08); border-left-color: #3b82f6; }
.signal-item[data-signal-goto] { transition: background 0.15s, transform 0.1s; }
.signal-item[data-signal-goto]:hover { filter: brightness(1.3); transform: translateX(2px); }
.signal-icon { font-size: 16px; flex-shrink: 0; }
.signal-text { flex: 1; }
.signal-value { font-weight: 700; white-space: nowrap; }
.signal-arrow { color: var(--muted); font-size: 14px; opacity: 0; transition: opacity 0.15s; flex-shrink: 0; }
.signal-item[data-signal-goto]:hover .signal-arrow { opacity: 1; }

/* ── Loading spinner ── */
.tab-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 0;
  color: var(--muted);
  font-size: 14px;
  gap: 10px;
}
.tab-loading::before {
  content: '';
  width: 20px;
  height: 20px;
  border: 2px solid rgba(92, 225, 230, 0.2);
  border-top-color: #5ce1e6;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Empty state ── */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--muted);
  font-size: 14px;
}
.empty-state::before {
  content: '📭';
  display: block;
  font-size: 32px;
  margin-bottom: 8px;
}

/* ═══════════════════════════════════════════
   PRINT STYLES
   ═══════════════════════════════════════════ */
@media print {
  body { background: #fff !important; color: #000 !important; font-size: 11px; }
  .topbar { position: static !important; background: #fff !important; border-bottom: 2px solid #000 !important; padding: 8px !important; }
  .topbar .controls > *:not(.chip.active):not(#month-select) { display: none !important; }
  .brand h1 { color: #000 !important; font-size: 16px !important; }
  .logout, .export-btn, .filter-reset-btn, .preset-save-btn, .filter-presets,
  .help-icon, .copy-btn, #refresh-data-btn, #compare-mode-tabs,
  .filter-actions, .chip-group:not(#nav-tabs) { display: none !important; }
  .card { background: #fff !important; border: 1px solid #ccc !important; box-shadow: none !important; break-inside: avoid; page-break-inside: avoid; margin-bottom: 12px !important; }
  .kpi { background: #f8f8f8 !important; border-color: #ccc !important; }
  .kpi .label, .kpi .delta { color: #333 !important; }
  .kpi .value { color: #000 !important; font-size: 20px !important; }
  .unit { color: #555 !important; }
  .chart { height: 250px !important; }
  .spark { display: none !important; }
  .nav-tabs { display: none !important; }
  .filters-bar select { border: 1px solid #999 !important; background: #fff !important; color: #000 !important; }
  .tab-pane[style*="display: none"], .tab-pane[style*="display:none"] { display: none !important; }
  .loading-overlay { display: none !important; }
  a { color: #000 !important; }
  .verdict { color: #000 !important; }
  .verdict.red { background: #fee !important; border-color: #c00 !important; }
  .verdict.green { background: #efe !important; border-color: #090 !important; }
  #toast-container { display: none !important; }
}

/* ═══════════════════════════════════════════
   MOBILE RESPONSIVE ENHANCEMENTS
   ═══════════════════════════════════════════ */
@media (max-width: 800px) {
  .topbar { flex-wrap: wrap; padding: 10px 12px; gap: 8px; }
  .controls { flex-wrap: wrap; gap: 6px; }
  .controls .chip-group a { padding: 7px 10px; font-size: 12px; }
  .brand h1 { font-size: 18px; }
  .layout { padding: 10px 12px 24px; gap: 14px; }
  .chart { height: 260px; }
  .abc-grid { grid-template-columns: 1fr; }
  .abc-matrix-grid { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .kpi .value { font-size: 20px; }
  .kpi .label { font-size: 11px; }
  .kpi .delta { font-size: 11px; }
  .spark { width: 60px; height: 32px; }
  .tops-grid { grid-template-columns: 1fr; }
  .factor-grid { grid-template-columns: 1fr; }
  .factor-cards { grid-template-columns: 1fr 1fr; }
  .nav-tabs { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .nav-tabs .chip-group { flex-wrap: nowrap; min-width: max-content; }
  .nav-tabs .chip { padding: 7px 10px; font-size: 12px; white-space: nowrap; }
  .filters-bar { gap: 6px; }
  .filter select { min-width: 120px; font-size: 12px; }
  .briefing-text { font-size: 13px; }
  .section-head { flex-wrap: wrap; }
  .rec-table { font-size: 11px; }
  .rec-table td, .rec-table th { padding: 6px 4px; }
  .contrib-table { font-size: 11px; }
  .contrib-table td, .contrib-table th { padding: 6px 4px; }
  .revenue-breakdown-section { grid-template-columns: 1fr; }
  .waterfall { height: 280px; }
  .summary-block { flex-direction: column; }
  /* filter actions stack */
  .filter-actions { margin-left: 0; width: 100%; justify-content: flex-end; }
  .pivot-table-wrap { -webkit-overflow-scrolling: touch; }
  .sub-tabs { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .sub-tabs .chip-group { flex-wrap: nowrap; min-width: max-content; }
  .sub-tabs .chip { white-space: nowrap; }
}

@media (max-width: 480px) {
  .layout { padding: 8px 8px 20px; gap: 10px; }
  .card { padding: 12px; border-radius: 10px; }
  .kpi-grid { grid-template-columns: 1fr; }
  .kpi { padding: 10px; }
  .kpi .value { font-size: 18px; }
  .factor-cards { grid-template-columns: 1fr; }
  .chart { height: 220px; }
  .topbar { padding: 8px 10px; }
  .brand h1 { font-size: 16px; }
  .nav-tabs .chip-group { gap: 4px; }
  .controls .chip-group a { padding: 6px 8px; font-size: 11px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 6px; }
  .filters-bar { flex-direction: column; gap: 8px; }
  .filter select { width: 100%; min-width: unset; }
  .briefing-text { font-size: 12px; }
  .rec-table, .contrib-table { font-size: 11px; }
  .rec-table td, .rec-table th,
  .contrib-table td, .contrib-table th { padding: 6px 4px; }
}

/* ── Pivot Tables (Revenue & Margin tabs) ── */
.pivot-subtabs {
  margin-bottom: 16px;
}

.pivot-table-wrap {
  overflow-x: auto;
  max-width: 100%;
}

.pivot-table {
  border-collapse: collapse;
  font-size: 13px;
  width: 100%;
  min-width: 600px;
}

.pivot-table th,
.pivot-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  text-align: right;
}

.pivot-table th {
  background: var(--bg-elevated);
  color: var(--muted);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  position: sticky;
  top: 0;
  z-index: 1;
}

.pivot-sticky-col {
  position: sticky;
  left: 0;
  background: var(--card);
  z-index: 2;
  text-align: left !important;
  min-width: 180px;
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
}

th.pivot-sticky-col {
  background: var(--bg-elevated);
  z-index: 3;
}

.pivot-totals-row .pivot-sticky-col {
  background: var(--bg-elevated);
}

.pivot-group-name {
  font-weight: 500;
  color: var(--text);
}

.pivot-row:hover {
  background: rgba(92, 225, 230, 0.04);
}

.pivot-row-expanded {
  background: rgba(92, 225, 230, 0.06);
}

.pivot-cell-value {
  color: var(--text);
}

.pivot-cell-sub {
  color: var(--muted);
  font-size: 11px;
}

.pivot-cell-delta {
  font-size: 11px;
  margin-top: 2px;
}

.pivot-cell-delta.pivot-up {
  color: var(--success);
}

.pivot-cell-delta.pivot-down {
  color: var(--danger);
}

.pivot-up {
  color: var(--success);
}

.pivot-down {
  color: var(--danger);
}

.pivot-factor-row {
  background: rgba(154, 107, 255, 0.05);
}

.pivot-factor-row td {
  border-bottom: 1px solid var(--border);
  padding: 4px 12px;
  line-height: 1.6;
}

.pivot-totals-row {
  background: var(--bg-elevated);
  border-top: 2px solid var(--border);
}

.pivot-totals-row td {
  padding-top: 10px;
  padding-bottom: 10px;
}

.pivot-sortable {
  cursor: pointer;
  user-select: none;
}

.pivot-sortable:hover {
  color: var(--accent);
}

/* Cost table product links */
.cost-product-link {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px dotted var(--muted);
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.cost-product-link:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ══════════════════════════════════════════
   Metric Tree Layout
   ══════════════════════════════════════════ */

.mtree-block {
  margin: 0 16px 20px;
  padding: 20px 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}

.mtree-block-title {
  font-size: var(--text-xl);
  font-weight: 800;
  margin: 0 0 12px;
}

/* ── BLOCK 1: North Star Hero ── */

.mtree-hero {
  background: linear-gradient(135deg, #151c2c 0%, #1a2640 100%);
  border-color: var(--accent);
  border-left: 5px solid var(--accent);
  padding: 28px 32px;
}

.mtree-hero-main {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
}

.mtree-hero-left { flex: 1; }

.mtree-hero-label {
  font-size: var(--text-lg);
  color: var(--muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.mtree-hero-value {
  font-size: 48px;
  font-weight: 900;
  line-height: 1.1;
  color: var(--text);
}

.mtree-hero-deltas {
  display: flex;
  gap: 12px;
  margin-top: 8px;
  font-size: var(--text-lg);
  font-weight: 700;
}

.mtree-hero-deltas .up { color: var(--success); }
.mtree-hero-deltas .down { color: var(--danger-strong); }

.mtree-hero-marginality {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
}

.mtree-bar-label {
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
}

.mtree-marginality-value {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--accent);
}

.mtree-marginality-chart {
  flex: 1;
  min-width: 200px;
  max-width: 380px;
  height: 60px;
}

.mtree-hero-right {
  flex-shrink: 0;
}

.mtree-hero-spark {
  width: 280px;
  height: 100px;
}

.mtree-hero-briefing {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mtree-briefing-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mtree-briefing-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.mtree-root-cause {
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
  padding: 8px 12px;
  background: rgba(154,107,255,0.06);
  border-left: 3px solid var(--accent-2);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* ── Formula Connector ── */

.mtree-connector {
  text-align: center;
  padding: 10px 0;
  margin: -10px 16px 0;
  position: relative;
}

.mtree-connector::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  background: var(--border);
}

.mtree-formula {
  display: inline-block;
  background: var(--bg);
  padding: 4px 16px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  font-size: 13px;
  color: var(--muted);
  position: relative;
  z-index: 1;
}

/* ── BLOCK 2: Decomposition ── */

.mtree-decomp-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.mtree-card {
  background: var(--bg-elevated);
  border-radius: var(--radius-lg);
  padding: 20px;
  border-left: 4px solid var(--border);
  position: relative;
}

.mtree-card-revenue { border-left-color: var(--accent); }
.mtree-card-cost { border-left-color: #38bdf8; }

.mtree-card-head { margin-bottom: 4px; }

.mtree-card-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.mtree-card-value {
  font-size: var(--text-3xl);
  font-weight: 800;
  line-height: 1.1;
}

.mtree-card-delta {
  font-size: 14px;
  font-weight: 700;
  margin-top: 4px;
}

.mtree-card-delta .up { color: var(--success); }
.mtree-card-delta .down { color: var(--danger-strong); }

.mtree-signal-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  display: none;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
}

.mtree-signal-badge.sig-danger {
  display: inline-block;
  background: rgba(239,68,68,0.15);
  color: var(--danger-strong);
}

.mtree-signal-badge.sig-warning {
  display: inline-block;
  background: rgba(234,179,8,0.15);
  color: var(--warning);
}

.mtree-signal-badge.sig-success {
  display: inline-block;
  background: rgba(34,197,94,0.15);
  color: var(--success);
}

.mtree-sub-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.mtree-sub {
  background: rgba(11,18,32,0.6);
  border-radius: var(--radius-md);
  padding: 10px 12px;
}

.mtree-sub-label {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 2px;
}

.mtree-sub-value {
  font-size: var(--text-xl);
  font-weight: 800;
}

.mtree-sub-delta {
  font-size: 12px;
  font-weight: 700;
  margin-top: 2px;
}

.mtree-sub-delta .up { color: var(--success); }
.mtree-sub-delta .down { color: var(--danger-strong); }

.mtree-sub-spark {
  width: 100%;
  height: 32px;
  margin-top: 4px;
}

/* ── BLOCK 3: Waterfall ── */

.mtree-waterfall-section {
  padding: 16px 24px 20px;
}

/* ── BLOCK 4: Driver Columns ── */

.mtree-drivers-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  margin-top: 12px;
}

.mtree-driver-col {
  background: var(--bg-elevated);
  border-radius: var(--radius-lg);
  padding: 16px;
  display: flex;
  flex-direction: column;
}

.mtree-driver-title {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.mtree-driver-body {
  flex: 1;
  font-size: 13px;
  line-height: 1.6;
}

.mtree-driver-loading {
  color: var(--muted);
  font-size: 12px;
}

.driver-stat {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}

.driver-stat:last-child { border-bottom: none; }
.driver-stat-label { color: var(--muted); }
.driver-stat-value { font-weight: 700; white-space: nowrap; }
.driver-stat-value.up { color: var(--success); }
.driver-stat-value.down { color: var(--danger-strong); }

.driver-mini-list {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
}

.driver-mini-list li {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  font-size: 12px;
}

.driver-mini-list .val.up { color: var(--success); }
.driver-mini-list .val.down { color: var(--danger-strong); }

.mtree-driver-link {
  display: block;
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--accent);
  text-decoration: none;
}

.mtree-driver-link:hover { text-decoration: underline; }

/* ── BLOCK 5: Trend + Plan ── */

.mtree-trend-plan-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
}

.mtree-trend-chart-wrap {
  min-width: 0;
}

.mtree-plan-mini {
  background: var(--bg-elevated);
  border-radius: var(--radius-lg);
  padding: 16px;
}

.mtree-plan-big-value {
  font-size: 40px;
  font-weight: 900;
  line-height: 1;
  margin: 8px 0;
}

.mtree-plan-progress {
  width: 100%;
  height: 12px;
  background: var(--border);
  border-radius: 6px;
  overflow: hidden;
  margin: 10px 0;
}

.mtree-plan-progress-fill {
  height: 100%;
  border-radius: 6px;
  transition: width 0.6s ease;
}

.mtree-plan-detail {
  font-size: 13px;
  color: var(--muted);
  margin-top: 8px;
}

/* ── BLOCK 2.5: Counters (SKU + Clients) ── */

.mtree-counters {
  padding: 14px 24px;
}

.mtree-counters-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.mtree-counter {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-elevated);
  border-radius: var(--radius-lg);
  padding: 12px 14px;
}

.mtree-counter-icon {
  font-size: 24px;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(92,225,230,0.08);
  border-radius: var(--radius-md);
}

.mtree-counter-body { flex: 1; min-width: 0; }

.mtree-counter-label {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}

.mtree-counter-value {
  font-size: var(--text-xl);
  font-weight: 800;
  line-height: 1.2;
}

.mtree-counter-delta {
  font-size: 12px;
  font-weight: 700;
  margin-top: 1px;
}

.mtree-counter-delta .up { color: var(--success); }
.mtree-counter-delta .down { color: var(--danger-strong); }

@media (max-width: 900px) {
  .mtree-counters-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .mtree-counters-grid { grid-template-columns: 1fr; }
}

/* ── BLOCK 6: Action Items ── */

.mtree-action-items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 12px;
}

.mtree-action-card {
  padding: 14px 16px;
  border-radius: var(--radius-lg);
  border-left: 4px solid;
  background: var(--bg-elevated);
}

.mtree-action-card.high {
  border-left-color: var(--danger-strong);
  background: rgba(239,68,68,0.06);
}

.mtree-action-card.medium {
  border-left-color: var(--warning);
  background: rgba(234,179,8,0.06);
}

.mtree-action-card.low {
  border-left-color: var(--success);
  background: rgba(34,197,94,0.06);
}

.mtree-action-priority {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
  opacity: 0.7;
}

.mtree-action-text {
  font-size: 14px;
  line-height: 1.45;
}

.mtree-action-impact {
  font-size: 12px;
  color: var(--muted);
  margin-top: 6px;
}

/* ── Responsive ── */

@media (max-width: 900px) {
  .mtree-decomp-grid { grid-template-columns: 1fr; }
  .mtree-drivers-grid { grid-template-columns: 1fr; }
  .mtree-trend-plan-grid { grid-template-columns: 1fr; }
  .mtree-hero-value { font-size: 32px; }
  .mtree-hero-spark { width: 120px; height: 44px; }
  .mtree-hero { padding: 20px; }
}

@media (max-width: 600px) {
  .mtree-sub-metrics { grid-template-columns: 1fr; }
  .mtree-action-items { grid-template-columns: 1fr; }
  .mtree-block { margin: 0 8px 12px; padding: 14px 16px; }
  .mtree-hero-main { flex-direction: column; }
  .mtree-hero-value { font-size: 28px; }
  .mtree-plan-big-value { font-size: 28px; }
}

/* ── Promos Page Responsive ── */
@media (max-width: 900px) {
  #promo-table { font-size: 12px; }
  #promo-table th, #promo-table td { padding: 4px 3px; }
}

@media (max-width: 600px) {
  #promo-summary { grid-template-columns: repeat(2, 1fr) !important; }
  #promo-table { display: block; overflow-x: auto; white-space: nowrap; }
}