/* Custom styles for CSIR-IMTECH Hindi Section Portal */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+Devanagari:wght@300;400;500;600;700;800&family=Noto+Serif+Devanagari:wght@400;500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --font-sans: "Noto Sans Devanagari", "Inter", system-ui, -apple-system, sans-serif;
  --font-serif: "Georgia", "Noto Serif Devanagari", serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;
  --color-primary: #b22222;
  --color-navy: #003366;
  --color-navy-dark: #002244;
  --color-bg: #fdfcf0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: #1a1a1a;
}

.font-serif {
  font-family: var(--font-serif);
}

.font-mono {
  font-family: var(--font-mono);
}

/* Selection */
::selection {
  background-color: var(--color-primary);
  color: white;
}

/* Marquee animation */
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.animate-marquee {
  animation: marquee 25s linear infinite;
}
.animate-marquee:hover {
  animation-play-state: paused;
}

/* Fade-in */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-fade-in {
  animation: fadeIn 0.35s ease-out forwards;
}

/* View switching */
.view-panel {
  display: none;
}
.view-panel.active {
  display: block;
  animation: fadeIn 0.35s ease-out;
}

/* Mobile menu */
.mobile-nav-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.mobile-nav-panel.open {
  max-height: 80vh;
  overflow-y: auto;
}

/* Dropdown */
.nav-dropdown {
  display: none;
}
.group:hover .nav-dropdown {
  display: block;
}

/* Line clamp */
.line-clamp-1 {
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.line-clamp-4 {
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Modal backdrop */
.modal-backdrop {
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(2px);
}

/* Scrollbar for search results */
#sidebar-results-list::-webkit-scrollbar {
  width: 4px;
}
#sidebar-results-list::-webkit-scrollbar-thumb {
  background: #ccc;
  border-radius: 2px;
}

/* Active nav item */
.nav-item-active {
  border-bottom-color: var(--color-primary) !important;
  background-color: var(--color-navy-dark);
}

/* Pulse badge */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}
.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Spinner */
@keyframes spin {
  to { transform: rotate(360deg); }
}
.animate-spin {
  animation: spin 1s linear infinite;
}