/* =========================================================
   Voice of Madhupur - Universal Portal CSS Design System
   Enterprise Production Standards: Clean Tokens & Glassmorphism
   ========================================================= */

:root {
  --font-bangla: 'Hind Siliguri', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-english: 'Plus Jakarta Sans', sans-serif;
  
  /* Sal Forest Palette */
  --sal-50: #f0fdf4;
  --sal-100: #dcfce7;
  --sal-200: #bbf7d0;
  --sal-500: #22c55e;
  --sal-600: #16a34a;
  --sal-700: #15803d;
  --sal-800: #0d5c3a;
  --sal-900: #064e3b;
  --sal-950: #022c22;

  /* Madhupur Pineapple Gold */
  --anarosh-400: #fbbf24;
  --anarosh-500: #f59e0b;
  --anarosh-600: #d97706;
  --anarosh-700: #b45309;

  /* Glass Backgrounds */
  --nav-bg: rgba(255, 255, 255, 0.92);
  --nav-border: rgba(226, 232, 240, 0.85);
  --dropdown-bg: rgba(255, 255, 255, 0.98);
  --dropdown-border: rgba(226, 232, 240, 0.95);
  --text-primary: #0f172a;
  --text-secondary: #475569;
}

html.dark {
  --nav-bg: rgba(15, 23, 42, 0.94);
  --nav-border: rgba(51, 65, 85, 0.8);
  --dropdown-bg: rgba(15, 23, 42, 0.98);
  --dropdown-border: rgba(51, 65, 85, 0.9);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  color-scheme: dark;
}

/* Universal Dark Mode Backgrounds & Text */
html.dark body {
  background-color: #0b1120 !important;
  color: #f8fafc !important;
}

html.dark section.bg-white {
  background-color: #0f172a !important;
}

html.dark section.bg-slate-50,
html.dark section.bg-gray-50 {
  background-color: #0b1120 !important;
}

html.dark .bg-white:not(.portal-no-dark):not(.portal-theme-exempt) {
  background-color: #0f172a;
}

html.dark .bg-slate-50:not(.portal-no-dark):not(.portal-theme-exempt),
html.dark .bg-gray-50:not(.portal-no-dark):not(.portal-theme-exempt) {
  background-color: #0b1120;
}

html.dark .border-slate-200,
html.dark .border-gray-200,
html.dark .border-slate-100,
html.dark .border-gray-100 {
  border-color: #1e293b !important;
}

html.dark .text-slate-900,
html.dark .text-slate-800,
html.dark .text-gray-900,
html.dark .text-gray-800 {
  color: #f8fafc !important;
}

html.dark .text-slate-700,
html.dark .text-slate-600,
html.dark .text-gray-700,
html.dark .text-gray-600 {
  color: #94a3b8 !important;
}

/* Base Font & Smooth Scroll */
html {
  scroll-behavior: smooth;
  font-family: var(--font-bangla);
}

body {
  font-family: var(--font-bangla);
  transition: background-color 0.25s ease, color 0.25s ease;
}

/* Glass Header Styles */
.portal-glass-nav {
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--nav-border);
}

/* Mega-Menu Dropdown Animations */
.portal-dropdown-group {
  position: relative;
}

.portal-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 290px;
  background: var(--dropdown-bg);
  border: 1px solid var(--dropdown-border);
  box-shadow: 0 20px 30px -10px rgba(0, 0, 0, 0.15), 0 10px 15px -5px rgba(0, 0, 0, 0.08);
  border-radius: 1rem;
  padding: 0.75rem;
  z-index: 60;
  animation: portalFadeSlide 0.22s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

html.dark .portal-dropdown-menu {
  box-shadow: 0 25px 40px -10px rgba(0, 0, 0, 0.6);
}

.portal-dropdown-group:hover .portal-dropdown-menu,
.portal-dropdown-group:focus-within .portal-dropdown-menu {
  display: block;
}

@keyframes portalFadeSlide {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Navigation Link States */
.portal-glass-nav a,
.portal-glass-nav button {
  color: var(--text-primary);
}

.portal-glass-nav .portal-nav-link {
  color: var(--text-secondary);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.portal-glass-nav .portal-nav-link:hover {
  color: var(--sal-700);
}

.portal-glass-nav .portal-brand-title {
  color: var(--text-primary) !important;
}

.portal-glass-nav .portal-brand-subtitle {
  color: var(--text-secondary) !important;
}

.portal-nav-link.active-page {
  background: #f0fdf4 !important;
  color: #15803d !important;
  font-weight: 700 !important;
}

html.dark .portal-glass-nav a,
html.dark .portal-glass-nav button {
  color: #f8fafc;
}

html.dark .portal-glass-nav .portal-nav-link {
  color: #94a3b8;
}

html.dark .portal-glass-nav .portal-nav-link:hover {
  color: #34d399;
}

html.dark .portal-glass-nav .portal-brand-title {
  color: #f8fafc !important;
}

html.dark .portal-glass-nav .portal-brand-subtitle {
  color: #94a3b8 !important;
}

html.dark .portal-nav-link.active-page {
  background: rgba(6, 78, 59, 0.4) !important;
  color: #34d399 !important;
}

/* Mobile Drawer Styles */
#portalMobileDrawer {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

#portalMobileDrawer.is-open {
  transform: translateX(0);
}

#portalMobileBackdrop {
  transition: opacity 0.3s ease;
}

/* Mobile Accordion */
.portal-accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
}

.portal-accordion-content.is-expanded {
  max-height: 800px;
  transition: max-height 0.35s cubic-bezier(0.86, 0, 0.07, 1);
}

/* Floating Back To Top Button */
#portalBackToTop {
  transition: opacity 0.3s ease, transform 0.3s ease;
}

#portalBackToTop.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

#portalBackToTop.hidden-btn {
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px);
}

/* Print Utilities */
@media print {
  .portal-no-print {
    display: none !important;
  }
}