/* ─────────────────────────────────────────────────────────────────────────────
   dashboard.css — Founder Dashboard styles for PostcardOS
   Tokens live in theme.css. This file only adds dashboard-specific rules.
───────────────────────────────────────────────────────────────────────────── */

/* ── Layout ──────────────────────────────────────────────────────────────── */
.db-body {
  background: var(--bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Header ──────────────────────────────────────────────────────────────── */
.db-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: 0.9rem var(--space-md);
  background: rgba(250, 248, 245, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(44, 40, 34, 0.08);
}

.db-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--fg);
  font-weight: 600;
  font-size: 0.95rem;
}

.db-logo-icon {
  color: var(--accent);
  font-size: 1rem;
}

.db-logo-text {
  font-family: var(--font-display);
  font-weight: 600;
}

.db-nav-links {
  display: flex;
  gap: var(--space-md);
  margin-left: var(--space-md);
}

.db-nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--fg-muted);
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: color 0.2s;
}

.db-nav-link:hover,
.db-nav-link.active {
  color: var(--accent-deep);
}

.db-header-right {
  margin-left: auto;
}

.db-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-deep);
  background: rgba(184, 146, 106, 0.12);
  padding: 0.3rem 0.9rem;
  border-radius: 100px;
}

/* ── Main wrapper ────────────────────────────────────────────────────────── */
.db-main {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

/* ── Page header ─────────────────────────────────────────────────────────── */
.db-page-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.db-eyebrow {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-deep);
  margin-bottom: 0.25rem;
}

.db-page-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: var(--fg);
  line-height: 1.15;
}

/* ── Period toggle ───────────────────────────────────────────────────────── */
.period-toggle {
  display: flex;
  gap: 2px;
  background: rgba(44, 40, 34, 0.06);
  padding: 3px;
  border-radius: 10px;
}

.period-btn {
  border: none;
  background: none;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--fg-muted);
  padding: 0.4rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.18s;
}

.period-btn.active {
  background: var(--bg);
  color: var(--fg);
  box-shadow: 0 1px 3px rgba(44, 40, 34, 0.1);
}

.period-btn:hover:not(.active) {
  color: var(--fg);
}

/* ── KPI Cards ───────────────────────────────────────────────────────────── */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
}

.kpi-card {
  background: white;
  border: 1px solid rgba(44, 40, 34, 0.08);
  border-radius: var(--radius);
  padding: var(--space-md);
  position: relative;
  overflow: hidden;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-soft), transparent);
  opacity: 0;
  transition: opacity 0.2s;
}

.kpi-card:hover::before {
  opacity: 1;
}

.kpi-card--accent {
  background: linear-gradient(135deg, var(--bg-dark) 0%, #3d3730 100%);
  border-color: transparent;
}

.kpi-card--accent .kpi-label {
  color: rgba(250, 248, 245, 0.55);
}

.kpi-card--accent .kpi-value {
  color: var(--accent-soft);
}

.kpi-card--accent .kpi-sub {
  color: rgba(250, 248, 245, 0.4);
}

.kpi-label {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 0.5rem;
}

.kpi-value {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 600;
  color: var(--fg);
  line-height: 1.1;
  margin-bottom: 0.35rem;
}

.kpi-delta {
  font-size: 0.78rem;
  font-weight: 500;
}

.delta-up   { color: var(--green); }
.delta-down { color: #b85a4a; }

.kpi-sub {
  font-size: 0.78rem;
  color: var(--fg-muted);
}

/* ── Cards ───────────────────────────────────────────────────────────────── */
.db-card {
  background: white;
  border: 1px solid rgba(44, 40, 34, 0.08);
  border-radius: var(--radius);
  padding: var(--space-md);
}

.db-card-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.db-card-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--fg);
}

.db-card-sub {
  font-size: 0.78rem;
  color: var(--fg-muted);
  font-weight: 400;
}

/* ── Revenue Chart ───────────────────────────────────────────────────────── */
.chart-wrap {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 180px;
  padding-bottom: 28px; /* room for labels */
  position: relative;
}

/* Subtle grid lines */
.chart-wrap::before {
  content: '';
  position: absolute;
  left: 0; right: 0;
  top: 0; bottom: 28px;
  background: repeating-linear-gradient(
    180deg,
    transparent,
    transparent calc(25% - 1px),
    rgba(44, 40, 34, 0.04) calc(25% - 1px),
    rgba(44, 40, 34, 0.04) 25%
  );
  pointer-events: none;
}

.chart-col {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  position: relative;
}

.chart-bar-wrap {
  flex: 1;
  width: 100%;
  display: flex;
  align-items: flex-end;
  padding-bottom: 4px;
}

.chart-bar {
  width: 100%;
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-deep) 100%);
  border-radius: 3px 3px 0 0;
  min-height: 2px;
  transition: opacity 0.15s;
  cursor: pointer;
}

.chart-bar:hover {
  opacity: 0.75;
}

.chart-label {
  font-size: 0.6rem;
  color: var(--fg-muted);
  position: absolute;
  bottom: 0;
  white-space: nowrap;
  text-align: center;
  transform: translateX(-50%);
  left: 50%;
}

.chart-label--hidden {
  visibility: hidden;
}

.chart-tooltip {
  display: none;
  position: fixed;
  background: var(--bg-dark);
  color: var(--fg-light);
  font-size: 0.78rem;
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  pointer-events: none;
  z-index: 9999;
  white-space: nowrap;
}

/* ── Two-col layout ──────────────────────────────────────────────────────── */
.db-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  align-items: start;
}

/* ── Product Leaderboard ─────────────────────────────────────────────────── */
.product-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.product-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.product-rank {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--accent-soft);
  width: 1.5rem;
  text-align: center;
  flex-shrink: 0;
}

.product-info {
  flex: 1;
  min-width: 0;
}

.product-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--fg);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.product-meta {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.1rem;
  margin-bottom: 0.35rem;
}

.product-sku {
  font-size: 0.68rem;
  color: var(--fg-muted);
  font-family: monospace;
}

.product-cat {
  font-size: 0.68rem;
  color: var(--accent-deep);
  background: rgba(184, 146, 106, 0.1);
  padding: 0 0.4rem;
  border-radius: 4px;
}

.product-bar-track {
  height: 4px;
  background: rgba(44, 40, 34, 0.07);
  border-radius: 2px;
  overflow: hidden;
}

.product-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-deep));
  border-radius: 2px;
  transition: width 0.4s ease;
}

.product-revenue {
  text-align: right;
  flex-shrink: 0;
}

.product-rev-value {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
}

.product-units {
  font-size: 0.68rem;
  color: var(--fg-muted);
}

/* ── Retention Panel ─────────────────────────────────────────────────────── */
.ret-chips {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.ret-chip {
  background: var(--bg-warm);
  border-radius: 10px;
  padding: 0.75rem var(--space-sm);
  text-align: center;
}

.ret-chip--accent {
  background: linear-gradient(135deg, var(--accent-deep), var(--accent));
}

.ret-chip--accent .ret-chip-val,
.ret-chip--accent .ret-chip-lbl {
  color: white;
}

.ret-chip-val {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--fg);
  line-height: 1.1;
}

.ret-chip-lbl {
  font-size: 0.72rem;
  color: var(--fg-muted);
  letter-spacing: 0.05em;
  margin-top: 0.2rem;
}

/* Cohort rows */
.cohort-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: var(--space-sm);
}

.cohort-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.cohort-week {
  font-size: 0.72rem;
  color: var(--fg-muted);
  width: 4.5rem;
  flex-shrink: 0;
}

.cohort-bars {
  flex: 1;
  height: 8px;
  position: relative;
}

.cohort-bar-bg {
  position: relative;
  height: 8px;
  border-radius: 4px;
  overflow: hidden;
  background: var(--green-soft);
}

.cohort-bar-new {
  position: absolute;
  inset: 0;
  background: var(--green-soft);
}

.cohort-bar-ret {
  position: absolute;
  inset: 0;
  background: var(--green);
  transition: width 0.4s ease;
}

.cohort-pct {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--fg-muted);
  width: 2.5rem;
  text-align: right;
  flex-shrink: 0;
}

.cohort-pct--good {
  color: var(--green);
}

.cohort-legend {
  font-size: 0.72rem;
  color: var(--fg-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: var(--space-sm);
}

.legend-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 2px;
}

.legend-dot--new { background: var(--green-soft); }
.legend-dot--ret { background: var(--green); }

/* ── Footer ──────────────────────────────────────────────────────────────── */
.db-footer {
  margin-top: auto;
  padding: var(--space-sm) var(--space-md);
  border-top: 1px solid rgba(44, 40, 34, 0.08);
  background: var(--bg);
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .kpi-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .db-two-col {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .kpi-row {
    grid-template-columns: 1fr 1fr;
  }

  .db-page-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .db-main {
    padding: var(--space-md) var(--space-sm);
    gap: var(--space-md);
  }

  .chart-wrap {
    height: 140px;
  }

  .ret-chips {
    grid-template-columns: 1fr 1fr 1fr;
  }
}