/* ============================================================
    DASHBOARD.CSS — KPI Dashboard styles
    Uses design tokens from ../../css/theme.css
   ============================================================ */

/* ── Reset & Base ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── Header ── */
.dash-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.dash-header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.dash-logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text);
}

.dash-logo-accent {
  color: var(--accent);
}

.dash-header-divider {
  color: var(--border);
  font-size: 1.2rem;
}

.dash-header-title {
  font-size: 0.9rem;
  color: var(--muted);
}

.dash-header-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.dash-badge {
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.05em;
}

.dash-date {
  font-size: 0.82rem;
  color: var(--muted);
}

/* ── Layout ── */
.dash-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: calc(100vh - 57px);
}

/* ── Sidebar ── */
.dash-sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  overflow-y: auto;
}

.sidebar-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.sidebar-divider {
  height: 1px;
  background: var(--border);
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.filter-label {
  font-size: 0.82rem;
  color: var(--muted);
}

.filter-select {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.85rem;
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  transition: border-color var(--transition);
  appearance: none;
  -webkit-appearance: none;
}

.filter-select:focus {
  outline: none;
  border-color: var(--accent);
}

.filter-slider {
  width: 100%;
  accent-color: var(--accent);
  cursor: pointer;
}

.slider-value {
  color: var(--accent);
  font-weight: 500;
}

.filter-hint {
  font-size: 0.75rem;
  color: var(--faint);
  line-height: 1.5;
}

/* ── Main content ── */
.dash-main {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  overflow-y: auto;
}

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

.kpi-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  transition: border-color var(--transition), transform var(--transition);
}

.kpi-card:hover {
  border-color: var(--border2);
  transform: translateY(-2px);
}

.kpi-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.kpi-value {
  font-family: var(--font-heading);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.1;
}

.kpi-sub {
  font-size: 0.75rem;
  color: var(--faint);
  line-height: 1.45;
}

/* ── Charts ── */
.charts-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1rem;
}

.chart-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.chart-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}

.chart-desc {
  font-size: 0.78rem;
  color: var(--faint);
  margin-bottom: 0.75rem;
  line-height: 1.5;
}

canvas {
  max-height: 260px;
}

/* ── Table ── */
.table-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.table-wrap {
  overflow-x: auto;
  margin-top: 0.5rem;
}

.dash-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.dash-table th {
  text-align: left;
  padding: 0.6rem 1rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
}

.dash-table td {
  padding: 0.65rem 1rem;
  color: var(--text);
  border-bottom: 1px solid var(--surface2);
}

.dash-table tbody tr:hover {
  background: var(--surface2);
}

.td-positive {
  color: var(--accent);
}

.td-negative {
  color: #f87171;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .charts-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .dash-layout {
    grid-template-columns: 1fr;
  }

  .dash-sidebar {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ── Back link ── */
.dash-back-link {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  transition: opacity var(--transition);
}

.dash-back-link:hover {
  opacity: 0.75;
}

/* ── Language Toggle — matches main portfolio style ── */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.2rem;
}

.lang-btn {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.25rem 0.6rem;
  border-radius: 5px;
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  font-family: var(--font-body);
  letter-spacing: 0.05em;
}

.lang-btn.active {
  background: var(--accent);
  color: #061318;
}

.lang-btn:hover:not(.active) {
  color: var(--text);
}