/* ============================================
   LAYOUT — Sidebar, Grid, Page Templates
   ============================================ */

/* App shell */
.app {
  display: flex;
  min-height: 100vh;
}

/* ---- SIDEBAR ---- */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--surface-1);
  border-right: 1px solid var(--surface-2);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: width var(--transition-base);
  overflow: hidden;
}

.sidebar.collapsed {
  width: var(--sidebar-collapsed);
}

.sidebar-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--surface-2);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 72px;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--text-primary);
  white-space: nowrap;
}

.sidebar-logo-text {
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow: hidden;
}

.sidebar-theme-row {
  display: flex;
  gap: 2px;
}

.theme-icon-btn {
  background: var(--surface-2);
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 5px;
  border-radius: var(--radius-sm);
  opacity: 1;
  transition: all var(--transition-fast);
  line-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-icon-btn:hover {
  background: var(--surface-2);
  color: var(--text-primary);
  filter: brightness(1.3);
}

.theme-icon-btn.active {
  background: var(--accent);
  color: #fff;
}

.sidebar-logo .logo-icon {
  width: 36px;
  height: 36px;
  min-width: 36px;
  flex-shrink: 0;
}

.logo-wordmark {
  display: flex;
  flex-direction: column;
  line-height: 1;
  gap: 1px;
}

.logo-stedia {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.06em;
  color: #A1D885;
}

[data-theme="light"] .logo-stedia {
  color: #285F41;
}

.logo-consulting {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 8.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

/* ---- Sidebar edge toggle (always visible) ---- */
.sidebar-edge-toggle {
  position: fixed;
  top: 20px;
  left: var(--sidebar-width);
  transform: translateX(-50%);
  width: 20px;
  height: 36px;
  background: var(--surface-1);
  border: 1px solid var(--surface-2);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  transition: left var(--transition-base), background var(--transition-fast), color var(--transition-fast);
  padding: 0;
}

.sidebar-edge-toggle:hover {
  background: var(--surface-2);
  color: var(--text-primary);
}

.sidebar.collapsed ~ .sidebar-edge-toggle {
  left: var(--sidebar-collapsed);
}

.sidebar.collapsed ~ .sidebar-edge-toggle svg {
  transform: rotate(180deg);
}
.sidebar.collapsed .logo-wordmark,
.sidebar.collapsed .sidebar-theme-row,
.sidebar.collapsed .sidebar-label,
.sidebar.collapsed .sidebar-footer-text,
.sidebar.collapsed .nav-section-count { display: none; }

/* Navigation */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4) 0;
}

.nav-group {
  margin-bottom: var(--space-2);
}

.nav-group-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-6);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

.nav-group-header:hover {
  color: var(--text-primary);
  background: var(--surface-2);
}

.nav-group-header.active {
  color: var(--primary);
}

.nav-group-header .nav-icon {
  width: 20px;
  height: 20px;
  min-width: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-base);
}

.nav-group-header .nav-chevron {
  margin-left: auto;
  transition: transform var(--transition-fast);
  font-size: var(--text-xs);
}

.nav-group.open .nav-chevron { transform: rotate(90deg); }

.nav-group-header .badge-interactive {
  background: var(--accent);
  color: var(--surface-0);
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-section-count {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  margin-left: auto;
}

.nav-items {
  display: none;
  padding: var(--space-1) 0;
}

.nav-group.open .nav-items { display: block; }

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-6) var(--space-2) var(--space-12);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  border-left: 3px solid transparent;
}

.nav-item:hover {
  color: var(--text-primary);
  background: var(--surface-2);
}

.nav-item.active {
  color: var(--primary);
  border-left-color: var(--primary);
  background: rgba(1, 150, 58, 0.08);
}

/* Progress bar */
.nav-progress {
  height: 2px;
  background: var(--surface-2);
  border-radius: var(--radius-full);
  margin: 0 var(--space-6);
  overflow: hidden;
}

.nav-progress-fill {
  height: 100%;
  background: var(--primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

/* Sidebar footer */
.sidebar-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--surface-2);
  font-size: var(--text-xs);
  color: var(--text-secondary);
  margin-top: auto;
}

.sidebar-footer .progress-text {
  margin-bottom: var(--space-2);
}

/* Theme toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.theme-toggle-btn {
  background: var(--surface-2);
  border: none;
  color: var(--text-secondary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--text-xs);
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover,
.theme-toggle-btn.active {
  background: var(--primary);
  color: white;
}

/* ---- MAIN CONTENT ---- */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  transition: margin-left var(--transition-base);
}

.sidebar.collapsed ~ .main-content {
  margin-left: var(--sidebar-collapsed);
}

/* Page containers */
.page {
  display: none;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.page.active {
  display: block;
  opacity: 1;
}

/* ---- TEMPLATE: Hero Narrative ---- */
.template-hero .hero {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-hero);
  padding: var(--space-16) var(--space-8);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.template-hero .hero-content {
  max-width: var(--content-narrow);
  position: relative;
  z-index: 1;
}

.template-hero .hero h1 {
  margin-bottom: var(--space-6);
  color: #fff;
}

.template-hero .hero .hero-subtitle {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-8);
}

.template-hero .narrative {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--space-8) var(--space-8);
}

/* ---- TEMPLATE: Data Dashboard ---- */
.template-dashboard {
  padding: var(--space-8);
}

.template-dashboard .section-header {
  margin-bottom: var(--space-8);
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}


.dashboard-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.dashboard-body.full-width {
  grid-template-columns: 1fr;
}

/* ---- TEMPLATE: Catalogue ---- */
.template-catalogue {
  padding: var(--space-8);
}

.catalogue-filters {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.catalogue-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-4);
}

/* ---- TEMPLATE: Interactive Simulator ---- */
.template-simulator {
  display: grid;
  grid-template-columns: 1fr 380px;
  min-height: 100vh;
}

.simulator-content {
  padding: var(--space-8);
  overflow-y: auto;
}

.simulator-panel {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  background: var(--surface-1);
  border-left: 1px solid var(--surface-2);
  padding: var(--space-6);
}

.simulator-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--surface-2);
}

.simulator-panel-actions {
  display: flex;
  gap: var(--space-2);
  margin-left: auto;
}

/* ---- TEMPLATE: Matrix Analytical ---- */
.template-matrix {
  padding: var(--space-8);
}

/* ---- PRESENTATION MODE ---- */
.presentation-mode .sidebar { display: none; }
.presentation-mode .main-content { margin-left: 0; }
.presentation-mode .page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---- KPI Ticker (landing page) ---- */
.kpi-ticker {
  display: flex;
  gap: var(--space-6);
  padding: var(--space-4) var(--space-8);
  background: var(--surface-1);
  border-bottom: 1px solid var(--surface-2);
  overflow-x: auto;
  white-space: nowrap;
}

.ticker-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
}

.ticker-label {
  color: var(--text-secondary);
}

.ticker-value {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--accent);
}

/* ---- Responsive ---- */
@media (max-width: 1280px) {
  .sidebar { width: var(--sidebar-collapsed); }
  .sidebar .sidebar-label,
  .sidebar .sidebar-footer-text,
  .sidebar .nav-section-count { display: none; }
  .main-content { margin-left: var(--sidebar-collapsed); }
}

@media (max-width: 1024px) {
  .template-simulator {
    grid-template-columns: 1fr;
  }
  .simulator-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: auto;
    max-height: 50vh;
    border-left: none;
    border-top: 1px solid var(--surface-2);
    z-index: 200;
    transform: translateY(calc(100% - 48px));
    transition: transform var(--transition-base);
  }
  .simulator-panel.open { transform: translateY(0); }

  .dashboard-body { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .sidebar {
    width: 100%;
    height: auto;
    position: fixed;
    bottom: 0;
    top: auto;
    flex-direction: row;
    border-right: none;
    border-top: 1px solid var(--surface-2);
    z-index: 300;
  }
  .sidebar-nav { display: flex; overflow-x: auto; padding: 0; }
  .sidebar-header, .sidebar-footer { display: none; }
  .nav-group { margin: 0; }
  .nav-items { display: none !important; }
  .main-content { margin-left: 0; margin-bottom: 60px; }
}