:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --primary-border: #bfdbfe;
  --bg: #f8fafc;
  --card-bg: #ffffff;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius-lg: 16px;
  --radius-md: 10px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
  --shadow-hover: 0 12px 28px -6px rgba(37, 99, 235, 0.12), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Inter', 'Noto Sans Bengali', system-ui, -apple-system, sans-serif;
}

body {
  background-color: var(--bg);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

input, textarea {
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
  user-select: text;
}

/* Header Section */
header {
  background: linear-gradient(135deg, #0b1329 0%, #1e293b 100%);
  color: #ffffff;
  padding: 24px 20px;
  border-bottom: 3px solid var(--primary);
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.12);
}

.header-content {
  max-width: 920px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.title-area {
  display: flex;
  align-items: center;
  gap: 14px;
}

.subtitle-sync {
  font-size: 0.6em;
  color: #94a3b8;
  font-weight: 500;
}

.marquee {
  margin: 8px 0;
  color: #000000;
  font-weight: 600;
}

.logo-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  overflow: hidden;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.logo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.title-area h1 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.3px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.title-area p {
  font-size: 13px;
  color: #94a3b8;
  margin-top: 3px;
  font-weight: 400;
}

.title-area p a {
  color: #60a5fa;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.title-area p a:hover {
  color: #93c5fd;
  text-decoration: underline;
}

.btn-install {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: #ffffff;
  border: none;
  padding: 9px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
  transition: all 0.2s ease;
}

.btn-install:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.4);
}

/* Layout Container */
.container {
  max-width: 920px;
  margin: 0 auto;
  padding: 24px 20px 40px;
}

.offline-banner {
  background: #fef3c7;
  border: 1px solid #fde68a;
  color: #92400e;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-sm);
}

/* Controls & Search */
.controls {
  margin-bottom: 16px;
}

.search-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 16px;
  color: #94a3b8;
  font-size: 15px;
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 14px 40px 14px 46px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  font-size: 14px;
  outline: none;
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.clear-btn {
  position: absolute;
  right: 14px;
  background: none;
  border: none;
  color: #94a3b8;
  font-size: 14px;
  cursor: pointer;
  display: none;
  padding: 4px;
}

.clear-btn:hover {
  color: var(--text-main);
}

/* Department Tabs */
.dept-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  margin-bottom: 20px;
  -webkit-overflow-scrolling: touch;
}

.dept-btn {
  background: var(--card-bg);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 9px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);
}

.dept-btn i {
  font-size: 12px;
  opacity: 0.7;
}

.dept-btn:hover {
  border-color: var(--primary-border);
  color: var(--primary);
  background: var(--primary-light);
}

.dept-btn.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.dept-btn.active i {
  opacity: 1;
}

.tab-count {
  font-size: 11px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 10px;
  background: #ef4444;
  color: #ffffff;
  margin-left: 2px;
}

.dept-btn.active .tab-count {
  background: #ffffff;
  color: var(--primary);
}

/* Stats Bar */
.stats-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
  padding: 0 4px;
  font-weight: 500;
  gap: 12px;
  flex-wrap: wrap;
}

.stats-bar span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.stats-bar strong {
  color: var(--text-main);
  font-weight: 700;
}

.notice-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* Card Component & Background Highlights */
.card {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 14px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.03);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

/* Unseen/Fresh Card Highlight */
.card.card-new {
  border-left: 4px solid #ef4444;
  background-color: #fff8f8;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.badges {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* Department Badge Styles */
.badge-dept {
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.badge-dept.SASTC { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }
.badge-dept.CSE { background: #eff6ff; color: #1e40af; border: 1px solid #bfdbfe; }
.badge-dept.AG { background: #fefce8; color: #854d0e; border: 1px solid #fef08a; }
.badge-dept.BBA { background: #faf5ff; color: #6b21a8; border: 1px solid #e9d5ff; }
.badge-dept.RESULT { background: #fdf2f8; color: #be185d; border: 1px solid #fbcfe8; }
.badge-dept.GENERAL { background: #f1f5f9; color: #475569; border: 1px solid #cbd5e1; }

/* Tag Badges Logic Styling */
.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  font-size: 0.72rem;
  font-weight: 700;
  border-radius: 20px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  line-height: 1;
}

/* NEW Tag (< 24 hours) */
.badge-tag.tag-new, .badge-new {
  background-color: #ef4444;
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(239, 68, 68, 0.3);
  border: none;
}

/* Relative Time Tag (1 to 3 days ago) */
.badge-tag.tag-recent {
  background-color: #f1f5f9;
  color: #475569;
  border: 1px solid #cbd5e1;
}

/* Date Indicator */
.date {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Notice Titles & Links */
.notice-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  text-decoration: none;
  line-height: 1.45;
  transition: color 0.15s ease;
  overflow-wrap: anywhere;
  cursor: pointer;
}

.card:hover .notice-title {
  color: var(--primary);
}

/* Card Footer & Action Buttons */
.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid #f1f5f9;
  gap: 12px;
  flex-wrap: wrap;
}

.category-tag {
  font-size: 12px;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
}

.btn-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-view {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: #f1f5f9;
  color: #334155;
  text-decoration: none;
  font-size: 12px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
}

.btn-view:hover {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.btn-share {
  background: #f1f5f9;
  color: #64748b;
  border: none;
  padding: 7px 10px;
  border-radius: var(--radius-md);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-share:hover {
  background: #e2e8f0;
  color: #0f172a;
}

/* Empty State & Loader */
.state-box {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-muted);
  font-size: 14px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.state-box i {
  font-size: 32px;
  color: #cbd5e1;
}

.spinner {
  animation: spin 1s linear infinite;
  color: var(--primary);
  font-size: 24px;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Modal Styling */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(4px);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background: #ffffff;
  width: 100%;
  max-width: 860px;
  height: 85vh;
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  transform: scale(0.95);
  transition: transform 0.25s ease;
}

.modal-overlay.active .modal-card {
  transform: scale(1);
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.modal-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.modal-close {
  background: none;
  border: none;
  font-size: 18px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
}

.modal-close:hover {
  background: #f1f5f9;
  color: var(--text-main);
}

.modal-body {
  flex: 1;
  background: #f8fafc;
  position: relative;
}

.modal-body iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.modal-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #ffffff;
  gap: 12px;
}

.modal-footer-text {
  font-size: 12px;
  color: var(--text-muted);
}

.btn-direct {
  background: var(--primary);
  color: #ffffff;
  text-decoration: none;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background 0.2s ease;
}

.btn-direct:hover {
  background: var(--primary-hover);
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #0f172a;
  color: #ffffff;
  padding: 12px 20px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1000;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* Mobile Responsive Tweaks */
@media (max-width: 640px) {
  .header-content {
    align-items: flex-start;
  }

  .title-area h1 {
    font-size: 18px;
  }

  .card {
    padding: 16px;
  }

  .notice-title {
    font-size: 15px;
  }
}