:root {
  /* Docentes 2.0 Brand Tokens */
  --d20-primary: #7A1E2C;
  --d20-primary-dark: #5E1622;
  --d20-accent: #C9A227;
  --d20-bg: #FAF9F9; /* Subtle warm off-white */
  --d20-text: #2D3748; /* Inter text color */
  
  /* Sidebar Specifics */
  --sidebar-width: 260px;
  --sidebar-collapsed-width: 88px;
  --sidebar-bg: #7A1E2C;
  --sidebar-text: #FFFFFF;
  --sidebar-hover: rgba(255, 255, 255, 0.1);
  --sidebar-active: rgba(201, 162, 39, 0.15); /* Accent tint */
  --sidebar-active-border: #C9A227;
  
  /* Premium UI Effects */
  --shadow-soft: 0 10px 25px rgba(0, 0, 0, 0.04), 0 4px 10px rgba(0, 0, 0, 0.02);
  --border-radius-lg: 12px;
  --bs-primary: #7A1E2C;
  --bs-primary-rgb: 122, 30, 44;
  --bs-link-color: #7A1E2C;
  --bs-link-hover-color: #5E1622;
  --bs-focus-ring-color: rgba(122, 30, 44, 0.22);
}

body {
  background-color: var(--d20-bg);
  color: var(--d20-text);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

/* --- Layout --- */
.d20-wrapper {
  display: flex;
  min-height: 100vh;
}

.d20-sidebar {
  width: var(--sidebar-width);
  background-color: var(--sidebar-bg);
  color: var(--sidebar-text);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  z-index: 1000;
  /* Optional subtle gradient to dark */
  background: linear-gradient(180deg, var(--d20-primary) 0%, var(--d20-primary-dark) 100%);
  transition: width 0.22s ease;
  overflow: hidden;
}

.sidebar-nav-scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 0.5rem;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.28) transparent;
}

.sidebar-nav-scroll::-webkit-scrollbar {
  width: 10px;
}

.sidebar-nav-scroll::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar-nav-scroll::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  border: 2px solid transparent;
  background-clip: content-box;
}

.sidebar-nav-scroll:hover::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.34);
  background-clip: content-box;
}

.d20-main-content {
  flex-grow: 1;
  margin-left: var(--sidebar-width);
  padding: 1.75rem 2rem;
  display: flex;
  flex-direction: column;
  transition: margin-left 0.22s ease;
  min-width: 0;
}

/* --- Sidebar Typography & Links --- */
.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1.1rem 1rem 1rem 1.1rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 1rem;
}

.d20-sidebar .brand-area {
  padding: 0;
  font-weight: 700;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  gap: 10px;
  color: white;
  text-decoration: none;
  min-width: 0;
}

.sidebar-collapse-toggle {
  width: 38px;
  height: 38px;
  min-width: 38px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.95);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: none;
  transition: background-color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.sidebar-collapse-toggle:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.26);
  color: #fff;
  transform: translateY(-1px);
}

.sidebar-collapse-toggle:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.22);
}

.d20-sidebar .nav-category {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255,255,255,0.5);
  padding: 0.75rem 1.5rem 0.25rem 1.5rem;
  font-weight: 600;
  margin-top: 0.5rem;
}

.d20-sidebar .nav-link {
  color: rgba(255,255,255,0.8);
  padding: 0.65rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all 0.2s ease;
  border-left: 3px solid transparent;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  white-space: nowrap;
  position: relative;
}

.d20-sidebar .nav-link:hover {
  background-color: var(--sidebar-hover);
  color: white;
}

.d20-sidebar .nav-link.active {
  background-color: var(--sidebar-active);
  color: var(--sidebar-active-border);
  border-left-color: var(--sidebar-active-border);
  font-weight: 600;
}

/* Badge for notifications in sidebar */
.d20-sidebar .badge {
  margin-left: auto;
  background-color: var(--d20-accent);
  color: var(--d20-primary-dark);
}

/* User Area at bottom */
.d20-sidebar .user-area {
  margin-top: 0;
  padding: 1rem 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.05);
  flex: 0 0 auto;
}

.d20-wrapper.sidebar-is-collapsed .d20-sidebar,
html.sidebar-prefers-collapsed .d20-wrapper .d20-sidebar {
  width: var(--sidebar-collapsed-width);
}

.d20-wrapper.sidebar-is-collapsed .d20-main-content,
html.sidebar-prefers-collapsed .d20-wrapper .d20-main-content {
  margin-left: var(--sidebar-collapsed-width);
}

.d20-wrapper.sidebar-is-collapsed .brand-text,
html.sidebar-prefers-collapsed .d20-wrapper .brand-text,
.d20-wrapper.sidebar-is-collapsed .nav-category,
html.sidebar-prefers-collapsed .d20-wrapper .nav-category,
.d20-wrapper.sidebar-is-collapsed .nav-label,
html.sidebar-prefers-collapsed .d20-wrapper .nav-label,
.d20-wrapper.sidebar-is-collapsed .notification-label,
html.sidebar-prefers-collapsed .d20-wrapper .notification-label,
.d20-wrapper.sidebar-is-collapsed .user-name,
html.sidebar-prefers-collapsed .d20-wrapper .user-name,
.d20-wrapper.sidebar-is-collapsed .dropdown-toggle::after,
html.sidebar-prefers-collapsed .d20-wrapper .dropdown-toggle::after {
  display: none !important;
}

.d20-wrapper.sidebar-is-collapsed .d20-sidebar .brand-area,
html.sidebar-prefers-collapsed .d20-wrapper .d20-sidebar .brand-area,
.d20-wrapper.sidebar-is-collapsed .d20-sidebar .nav-link,
html.sidebar-prefers-collapsed .d20-wrapper .d20-sidebar .nav-link,
.d20-wrapper.sidebar-is-collapsed .d20-sidebar .user-area,
html.sidebar-prefers-collapsed .d20-wrapper .d20-sidebar .user-area {
  justify-content: center;
}

.d20-wrapper.sidebar-is-collapsed .sidebar-header,
html.sidebar-prefers-collapsed .d20-wrapper .sidebar-header {
  justify-content: center;
  padding-left: 0.65rem;
  padding-right: 0.65rem;
}

.d20-wrapper.sidebar-is-collapsed .d20-sidebar .nav-link,
html.sidebar-prefers-collapsed .d20-wrapper .d20-sidebar .nav-link {
  padding-left: 1rem;
  padding-right: 1rem;
  gap: 0;
}

.d20-wrapper.sidebar-is-collapsed .d20-sidebar .nav-link i,
html.sidebar-prefers-collapsed .d20-wrapper .d20-sidebar .nav-link i,
.d20-wrapper.sidebar-is-collapsed .d20-sidebar .brand-area i,
html.sidebar-prefers-collapsed .d20-wrapper .d20-sidebar .brand-area i {
  font-size: 1.1rem;
}

.d20-wrapper.sidebar-is-collapsed .d20-sidebar .brand-area,
html.sidebar-prefers-collapsed .d20-wrapper .d20-sidebar .brand-area {
  flex: 0 0 auto;
}

.d20-wrapper.sidebar-is-collapsed .d20-sidebar .badge,
html.sidebar-prefers-collapsed .d20-wrapper .d20-sidebar .badge {
  position: absolute;
  top: 0.45rem;
  right: 0.7rem;
}

.d20-wrapper.sidebar-is-collapsed .sidebar-collapse-toggle,
html.sidebar-prefers-collapsed .d20-wrapper .sidebar-collapse-toggle {
  margin-left: 0;
}

.d20-wrapper.sidebar-is-collapsed .notification-toggle,
html.sidebar-prefers-collapsed .d20-wrapper .notification-toggle {
  justify-content: center !important;
}

.avatar-pill {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.d20-notification-menu {
  min-width: 240px;
  border-color: rgba(255,255,255,0.1);
}

.tooltip.d20-sidebar-tooltip .tooltip-inner {
  background: #45101a;
  color: #f8ede4;
  border: 1px solid rgba(201, 162, 39, 0.42);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.tooltip.d20-sidebar-tooltip .tooltip-arrow::before {
  border-right-color: #45101a !important;
}

/* --- Premium Cards --- */
.card.premium-card {
  border: 1px solid rgba(0,0,0,0.03);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-soft);
  background: white; /* fallback */
  /* Very subtle glassmorphism */
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  margin-bottom: 1.5rem;
}

.card.premium-card .card-header {
  background-color: transparent;
  border-bottom: 1px solid rgba(0,0,0,0.03);
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  font-size: 1.05rem;
}

.card.premium-card .card-body {
  padding: 1.5rem;
}

/* KPI specifics */
.kpi-value {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--d20-primary);
  margin: 0;
  line-height: 1.1;
  letter-spacing: -0.5px;
}
.kpi-label {
  font-size: 0.85rem;
  color: #6B7280;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

/* --- Tables --- */
.table-wrap {
  overflow-x: auto;
}
.table.premium-table {
  width: 100%;
  margin-bottom: 0;
}
.table.premium-table th {
  border-top: none;
  border-bottom: 2px solid rgba(0,0,0,0.05);
  color: #6B7280;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  padding: 1rem;
}
.table.premium-table td {
  padding: 1rem;
  vertical-align: middle;
  border-bottom: 1px solid rgba(0,0,0,0.03);
  font-size: 0.95rem;
}

/* --- Buttons --- */
.btn-primary {
  background-color: var(--d20-primary);
  border-color: var(--d20-primary);
}
.btn-primary:hover, .btn-primary:focus, .btn-primary:active {
  background-color: var(--d20-primary-dark) !important;
  border-color: var(--d20-primary-dark) !important;
}

.btn-secondary {
  /* Actually using a subtle gray for secondary */
  background-color: #F3F4F6;
  border-color: transparent;
  color: #374151;
}
.btn-secondary:hover {
  background-color: #E5E7EB;
  border-color: transparent;
  color: #111827;
}

.btn-accent {
  background-color: var(--d20-accent);
  border-color: var(--d20-accent);
  color: white;
}
.btn-accent:hover {
  background-color: #B28F20;
  border-color: #B28F20;
  color: white;
}

.btn-outline-primary,
.text-primary {
  color: var(--d20-primary) !important;
}

.btn-outline-primary {
  border-color: rgba(122, 30, 44, 0.35);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
  background-color: var(--d20-primary);
  border-color: var(--d20-primary);
  color: #fff !important;
}

.text-bg-primary {
  background-color: var(--d20-primary) !important;
  color: #fff !important;
}

.modal-content {
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(122, 30, 44, 0.08);
  box-shadow: var(--shadow-soft);
}

.modal-header {
  background: linear-gradient(180deg, rgba(122, 30, 44, 0.08), rgba(122, 30, 44, 0.03));
}

/* Scope width override to console shell only */
.d20-main-content .container {
  max-width: 1400px;
}

.text-accent {
  color: var(--d20-accent) !important;
}

.hover-lift {
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.hover-lift:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.08), 0 6px 14px rgba(0, 0, 0, 0.04);
}

.chart-shell {
  position: relative;
  height: 340px;
}

.chart-shell.chart-shell-sm {
  height: 280px;
}

/* Mobile */
.mobile-console-header {
  display: none;
}

.d20-mobile-sidebar {
  background: linear-gradient(180deg, var(--d20-primary) 0%, var(--d20-primary-dark) 100%);
  color: var(--sidebar-text);
}

.d20-mobile-sidebar .offcanvas-header {
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.d20-mobile-sidebar .offcanvas-title {
  font-weight: 700;
}

.d20-mobile-nav-section-title {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.55);
  padding: 0.9rem 1rem 0.25rem;
  font-weight: 700;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: rgba(255,255,255,0.88);
  text-decoration: none;
  padding: 0.7rem 1rem;
  border-left: 3px solid transparent;
  font-weight: 500;
}

.mobile-nav-link:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.mobile-nav-link.is-active {
  color: var(--d20-accent);
  border-left-color: var(--d20-accent);
  background: rgba(201, 162, 39, 0.14);
}

@media (max-width: 991.98px) {
  .d20-wrapper {
    display: block;
  }
  .d20-main-content {
    margin-left: 0;
    padding: 1.25rem 1rem;
  }
  .d20-wrapper.sidebar-is-collapsed .d20-main-content {
    margin-left: 0;
  }
  .mobile-console-header {
    display: block !important;
  }
}