/* ============================================
   EL OLFATO — Layout Styles
   ============================================ */

/* ── App Container ── */

.app {
  display: flex;
  min-height: 100vh;
  background: var(--bg-primary);
}

/* ── Sidebar ── */

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-primary);
  display: flex;
  flex-direction: column;
  z-index: var(--z-sticky);
  transition: width var(--transition-base);
  overflow: hidden;
}

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

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-5);
  border-bottom: 1px solid var(--border-primary);
  min-height: var(--header-height);
}

.sidebar-brand-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
  box-shadow: var(--shadow-glow-accent);
}

.sidebar-brand-text {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  white-space: nowrap;
}

.sidebar-brand-name {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--text-primary);
  letter-spacing: var(--tracking-tight);
}

.sidebar-brand-sub {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.collapsed .sidebar-brand-text {
  opacity: 0;
  width: 0;
}

/* Sidebar Navigation */
.sidebar-nav {
  flex: 1;
  padding: var(--space-4) var(--space-3);
  overflow-y: auto;
}

.sidebar-section {
  margin-bottom: var(--space-6);
}

.sidebar-section-title {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  padding: 0 var(--space-3);
  margin-bottom: var(--space-2);
}

.collapsed .sidebar-section-title {
  opacity: 0;
  height: 0;
  margin: 0;
  overflow: hidden;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-bottom: 2px;
  position: relative;
  overflow: hidden;
}

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

.nav-item.active {
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent-primary-hover);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background: var(--accent-primary);
  border-radius: 0 var(--radius-full) var(--radius-full) 0;
}

.nav-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.nav-item-label {
  overflow: hidden;
  white-space: nowrap;
}

.collapsed .nav-item-label {
  opacity: 0;
  width: 0;
}

/* Sidebar Footer */
.sidebar-footer {
  padding: var(--space-4) var(--space-3);
  border-top: 1px solid var(--border-primary);
}

.sidebar-collapse-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  color: var(--text-tertiary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sidebar-collapse-btn:hover {
  background: var(--glass-bg);
  color: var(--text-secondary);
}

.sidebar-collapse-btn svg {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-base);
}

.collapsed .sidebar-collapse-btn svg {
  transform: rotate(180deg);
}

/* ── Main Content Area ── */

.main {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  transition: margin-left var(--transition-base);
  display: flex;
  flex-direction: column;
}

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

/* ── Header ── */

.header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  height: var(--header-height);
  padding: 0 var(--space-8);
  background: rgba(7, 11, 20, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-primary);
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.header-title {
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
}

.header-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

.header-breadcrumb span {
  color: var(--text-secondary);
}

.header-center {
  flex: 1;
  max-width: 480px;
}

.header-search {
  position: relative;
  width: 100%;
}

.header-search svg {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  pointer-events: none;
}

.header-search input {
  width: 100%;
  height: 38px;
  padding: 0 var(--space-4) 0 var(--space-10);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
}

.header-search input:focus {
  background: var(--bg-elevated);
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-primary-glow);
}

.header-search input::placeholder {
  color: var(--text-muted);
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* ── Page Content ── */

.page-content {
  flex: 1;
  padding: var(--space-8);
  max-width: var(--content-max-width);
  width: 100%;
  margin: 0 auto;
}

.page-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-8);
}

.page-title-row h1 {
  font-size: var(--text-3xl);
}

/* ── Grid System ── */

.grid {
  display: grid;
  gap: var(--space-6);
}

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

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.grid-auto-fill {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

/* ── KPI Stats Row ── */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.stat-card {
  background: var(--glass-card);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

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

.stat-card:hover {
  border-color: var(--border-secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.stat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  font-weight: var(--weight-medium);
}

.stat-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-icon svg {
  width: 18px;
  height: 18px;
}

.stat-value {
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  font-family: var(--font-mono);
  letter-spacing: var(--tracking-tight);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-change {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  padding: 2px var(--space-2);
  border-radius: var(--radius-sm);
}

.stat-change.positive {
  color: var(--success);
  background: var(--success-soft);
}

.stat-change.negative {
  color: var(--danger);
  background: var(--danger-soft);
}

/* ── Content Sections ── */

.section-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.section-full {
  margin-bottom: var(--space-6);
}

/* ── Modal Overlay ── */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 90%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95) translateY(10px);
  transition: transform var(--transition-base);
}

.modal-overlay.open .modal {
  transform: scale(1) translateY(0);
}

.modal-lg {
  max-width: 840px;
}

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

.modal-header h2 {
  font-size: var(--text-xl);
}

.modal-body {
  padding: var(--space-6);
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-primary);
}

/* ── Responsive ── */

@media (max-width: 1280px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .section-row {
    grid-template-columns: 1fr;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ── Navegación móvil ── */

/* El botón de menú sólo aparece cuando la barra lateral se esconde. */
.nav-toggle { display: none; }

.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(2px);
  z-index: calc(var(--z-sticky) - 1);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.nav-backdrop.open {
  opacity: 1;
  pointer-events: all;
}

@media (max-width: 768px) {
  .nav-toggle { display: inline-flex; }

  .sidebar {
    transform: translateX(-100%);
    width: min(var(--sidebar-width), 82vw);
    box-shadow: var(--shadow-xl);
  }

  .sidebar.mobile-open {
    transform: translateX(0);
  }

  /* En móvil la barra nunca va colapsada: o está o no está. */
  .sidebar.collapsed { width: min(var(--sidebar-width), 82vw); }
  .sidebar.collapsed .sidebar-brand-text,
  .sidebar.collapsed .nav-item-label,
  .sidebar.collapsed .sidebar-section-title {
    opacity: 1;
    width: auto;
    height: auto;
    margin: revert;
  }

  .main {
    margin-left: 0;
  }

  .sidebar.collapsed ~ .main {
    margin-left: 0;
  }

  .page-content {
    padding: var(--space-4);
  }

  .header {
    padding: 0 var(--space-3);
    gap: var(--space-3);
  }

  .header-title {
    font-size: var(--text-base);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .header-center {
    display: none;
  }

  .header-right { gap: var(--space-1); }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
  }

  .stat-card { padding: var(--space-4); }
  .stat-value { font-size: var(--text-2xl); }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .section-row { gap: var(--space-4); margin-bottom: var(--space-4); }
  .section-full { margin-bottom: var(--space-4); }

  .card { padding: var(--space-4); }

  /* Título arriba y acciones debajo: en una línea no caben */
  .card-header,
  .chart-header {
    flex-wrap: wrap;
    gap: var(--space-3);
  }

  .card-header > *,
  .chart-header > * { min-width: 0; }

  .page-title-row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  .modal {
    width: 95%;
    max-height: 88vh;
  }

  .modal-header, .modal-body { padding: var(--space-4); }
  .modal-footer { padding: var(--space-3) var(--space-4); flex-wrap: wrap; }

  /* Las tablas anchas se desplazan dentro de su caja, nunca la página */
  .table-wrapper { -webkit-overflow-scrolling: touch; }
  .data-table th, .data-table td {
    padding: var(--space-2) var(--space-3);
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .podium { min-height: 0; gap: var(--space-2); padding: var(--space-5) 0 var(--space-2); }
  .podium-place { max-width: none; }
  .podium-bar { font-size: var(--text-base); }
  .podium-name { font-size: var(--text-xs); }
  .podium-stat { display: none; }

  .chart-container-md { height: 260px; }
  .chart-container-lg { height: 300px; }
  .chart-header { padding: var(--space-3) var(--space-4); }
  .chart-title { font-size: var(--text-base); }
}