/* announcement.css - Complete */
:root {
  --primary-color: #0066cc;
  --secondary-color: #004080;
  --accent-color: #00b894;
  --background: #f8fafc;
  --surface: #ffffff;
  --text-color: #1e293b;
  --text-light: #475569;
  --text-muted: #94a3b8;
  --card-bg: #ffffff;
  --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --card-hover-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 4px 10px -6px rgba(0, 0, 0, 0.05);
  --border-color: #e2e8f0;
  --navbar-bg: rgba(255, 255, 255, 0.95);
  --footer-bg: #0f172a;
  --footer-text: #cbd5e1;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --danger: #ef4444;
}

body.dark-mode {
  --primary-color: #60a5fa;
  --secondary-color: #3b82f6;
  --accent-color: #34d399;
  --background: #0f172a;
  --surface: #1e293b;
  --text-color: #f1f5f9;
  --text-light: #cbd5e1;
  --text-muted: #64748b;
  --card-bg: #1e293b;
  --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  --card-hover-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.4);
  --border-color: #334155;
  --navbar-bg: rgba(15, 23, 42, 0.95);
  --footer-bg: #020617;
  --footer-text: #94a3b8;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Poppins', sans-serif;
  background-color: var(--background);
  color: var(--text-color);
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
}
.container { width: 90%; max-width: 1200px; margin: 0 auto; padding: 0 15px; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* Buttons */
.btn { 
  display: inline-flex; 
  align-items: center; 
  justify-content: center;
  gap: 8px;
  padding: 10px 24px; 
  border-radius: var(--radius-sm); 
  font-weight: 600; 
  font-size: 0.9rem; 
  transition: var(--transition); 
  cursor: pointer; 
  border: 2px solid transparent; 
  font-family: 'Poppins', sans-serif;
  white-space: nowrap;
}
.btn-primary { 
  background-color: var(--primary-color); 
  color: #fff; 
  border-color: var(--primary-color); 
}
.btn-primary:hover { 
  background-color: var(--secondary-color); 
  border-color: var(--secondary-color); 
  transform: translateY(-1px); 
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3); 
}
.btn-outline { 
  background: transparent; 
  color: var(--text-color); 
  border-color: var(--border-color); 
}
.btn-outline:hover { 
  background-color: var(--text-color); 
  color: var(--background); 
  border-color: var(--text-color);
  transform: translateY(-1px); 
}
.icon-btn { 
  background: transparent; 
  border: none; 
  color: var(--text-color); 
  font-size: 1.2rem; 
  cursor: pointer; 
  padding: 8px; 
  border-radius: 50%; 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  transition: var(--transition); 
}
.icon-btn:hover { background-color: rgba(0,0,0,0.05); }
body.dark-mode .icon-btn:hover { background-color: rgba(255,255,255,0.1); }

/* Navigation Bar */
.navbar { 
  position: fixed; 
  top: 0; 
  left: 0; 
  width: 100%; 
  background: var(--navbar-bg); 
  backdrop-filter: blur(10px); 
  box-shadow: 0 1px 3px rgba(0,0,0,0.05); 
  z-index: 1000; 
  transition: var(--transition); 
}
.navbar.scrolled { box-shadow: 0 4px 20px rgba(0,0,0,0.08); }
.nav-container { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 1.5rem; font-weight: 700; color: var(--primary-color); z-index: 1001; }
.logo i { font-size: 1.8rem; }
.logo-text { letter-spacing: 1px; }
.nav-menu .nav-list { display: flex; gap: 28px; align-items: center; }
.nav-link { 
  font-weight: 500; 
  color: var(--text-color); 
  position: relative; 
  padding: 4px 0; 
  font-size: 0.95rem;
  transition: color 0.2s; 
}
.nav-link::after { 
  content: ''; 
  position: absolute; 
  bottom: -4px; 
  left: 0; 
  width: 0; 
  height: 2px; 
  background: var(--primary-color); 
  transition: width 0.3s; 
}
.nav-link:hover, .nav-link.active { color: var(--primary-color); }
.nav-link.active::after { width: 100%; }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.desktop-login-btn { display: inline-flex; padding: 8px 20px; font-size: 0.85rem; }
.mobile-only { display: none; }

/* Hamburger */
.hamburger { 
  display: none; 
  flex-direction: column; 
  justify-content: center; 
  align-items: center; 
  width: 40px; 
  height: 40px; 
  background: transparent; 
  border: 2px solid transparent; 
  border-radius: var(--radius-sm); 
  cursor: pointer; 
  padding: 8px; 
  z-index: 1001; 
  transition: var(--transition); 
  position: relative; 
}
.hamburger:hover { background-color: rgba(0, 102, 204, 0.05); border-color: rgba(0, 102, 204, 0.2); }
.hamburger-line { 
  display: block; 
  width: 22px; 
  height: 2px; 
  background-color: var(--text-color); 
  border-radius: 2px; 
  transition: all 0.3s ease-in-out; 
  position: absolute; 
}
.hamburger-line:nth-child(1) { transform: translateY(-7px); }
.hamburger-line:nth-child(2) { transform: translateY(0); }
.hamburger-line:nth-child(3) { transform: translateY(7px); }
.hamburger.active .hamburger-line:nth-child(1) { transform: translateY(0) rotate(45deg); }
.hamburger.active .hamburger-line:nth-child(2) { opacity: 0; transform: translateX(20px); }
.hamburger.active .hamburger-line:nth-child(3) { transform: translateY(0) rotate(-45deg); }
.menu-overlay { 
  position: fixed; 
  top: 0; 
  left: 0; 
  width: 100%; 
  height: 100%; 
  background: rgba(0, 0, 0, 0.5); 
  z-index: 998; 
  opacity: 0; 
  visibility: hidden; 
  transition: all 0.3s ease; 
  backdrop-filter: blur(2px); 
}
.menu-overlay.active { opacity: 1; visibility: visible; }

/* Page Header */
.page-header {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: #fff;
  padding: 100px 0 60px;
  text-align: center;
}
.page-header h1 {
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}
.page-header p {
  font-size: 1.1rem;
  opacity: 0.9;
  font-weight: 300;
}

/* Search & Filter */
.search-filter-section {
  padding: 24px 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 70px;
  z-index: 100;
  transition: background-color 0.3s ease;
}
.search-filter-bar {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}
.search-box {
  flex: 1;
  min-width: 240px;
  display: flex;
  align-items: center;
  background: var(--background);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  transition: var(--transition);
}
.search-box:focus-within { 
  border-color: var(--primary-color); 
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.08);
  background: var(--surface);
}
.search-box i { 
  color: var(--text-muted); 
  font-size: 1rem;
  flex-shrink: 0;
}
.search-box input { 
  border: none; 
  outline: none; 
  width: 100%; 
  font-size: 0.95rem; 
  background: transparent; 
  color: var(--text-color); 
  font-family: 'Poppins', sans-serif; 
  margin: 0 10px;
}
.search-box input::placeholder { color: var(--text-muted); }
.clear-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  flex-shrink: 0;
}
.clear-btn:hover { color: var(--text-color); background: var(--border-color); }
.filter-group select {
  padding: 10px 16px;
  border-radius: var(--radius-md);
  border: 2px solid var(--border-color);
  background: var(--background);
  color: var(--text-color);
  font-family: 'Poppins', sans-serif;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  min-width: 180px;
}
.filter-group select:focus { 
  outline: none; 
  border-color: var(--primary-color);
  background: var(--surface);
}
.results-info {
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.results-info span { font-weight: 600; color: var(--text-color); }

/* Announcements Section */
.announcements-section {
  padding: 40px 0 80px;
}
.announcement-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

/* Announcement Card */
.announcement-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
}
.announcement-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-hover-shadow);
}
.card-image {
  height: 200px;
  overflow: hidden;
  position: relative;
  background: var(--border-color);
}
.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.announcement-card:hover .card-image img { transform: scale(1.03); }
.card-category-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  z-index: 2;
  backdrop-filter: blur(4px);
}
.category-general { background: #dbeafe; color: #1e40af; }
.category-notice { background: #fef3c7; color: #92400e; }
.category-event { background: #d1fae5; color: #065f46; }
.category-emergency { background: #fee2e2; color: #991b1b; }
.category-meeting { background: #e0e7ff; color: #3730a3; }
.category-development { background: #e0f2fe; color: #0c4a6e; }
body.dark-mode .category-general { background: rgba(59, 130, 246, 0.2); color: #93c5fd; }
body.dark-mode .category-notice { background: rgba(245, 158, 11, 0.2); color: #fcd34d; }
body.dark-mode .category-event { background: rgba(16, 185, 129, 0.2); color: #6ee7b7; }
body.dark-mode .category-emergency { background: rgba(239, 68, 68, 0.2); color: #fca5a5; }
body.dark-mode .category-meeting { background: rgba(99, 102, 241, 0.2); color: #c7d2fe; }
body.dark-mode .category-development { background: rgba(14, 165, 233, 0.2); color: #7dd3fc; }

.card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.card-body h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 6px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 5px;
}
.card-summary {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: auto;
}
.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border-color);
  gap: 8px;
  flex-wrap: wrap;
}
.card-footer .btn {
  font-size: 0.82rem;
  padding: 7px 16px;
}

/* Pagination */
.pagination-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-top: 40px;
  padding: 16px 0;
}
.pagination-btn {
  padding: 10px 20px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--card-bg);
  color: var(--text-color);
  cursor: pointer;
  font-family: 'Poppins', sans-serif;
  font-weight: 500;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.pagination-btn:hover:not(:disabled) {
  border-color: var(--primary-color);
  color: var(--primary-color);
}
.pagination-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.pagination-info {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* No Results & Loading */
.no-results, .loading-indicator {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}
.no-results i, .loading-indicator i { 
  font-size: 3rem; 
  margin-bottom: 16px; 
  display: block;
  opacity: 0.6; 
}
.no-results h3 { 
  font-size: 1.2rem; 
  margin-bottom: 6px; 
  color: var(--text-color);
}
.loading-indicator .fa-spinner {
  font-size: 2.5rem;
  color: var(--primary-color);
}

/* Modal */
.modal-overlay { 
  position: fixed; 
  top: 0; 
  left: 0; 
  width: 100%; 
  height: 100%; 
  background: rgba(0,0,0,0.55); 
  z-index: 2000; 
  opacity: 0; 
  visibility: hidden; 
  transition: all 0.3s ease; 
}
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal { 
  position: fixed; 
  top: 50%; 
  left: 50%; 
  transform: translate(-50%, -50%) scale(0.95); 
  z-index: 2001; 
  background: var(--card-bg); 
  border-radius: var(--radius-lg); 
  max-width: 640px; 
  width: 92%; 
  max-height: 85vh; 
  overflow-y: auto; 
  opacity: 0; 
  visibility: hidden; 
  transition: all 0.3s ease; 
  box-shadow: 0 25px 50px rgba(0,0,0,0.25); 
}
.modal.active { opacity: 1; visibility: visible; transform: translate(-50%, -50%) scale(1); }

/* Login Modal */
.login-modal .modal-content { padding: 40px 30px; text-align: center; }
.login-modal .modal-icon { 
  font-size: 3.5rem; 
  color: var(--primary-color); 
  margin-bottom: 16px;
  opacity: 0.8;
}
.login-modal h2 { font-size: 1.4rem; margin-bottom: 8px; }
.login-modal p { color: var(--text-light); margin-bottom: 24px; font-size: 0.95rem; }
.login-modal .modal-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.login-modal .modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  font-size: 1.6rem;
  cursor: pointer;
  color: var(--text-muted);
  transition: var(--transition);
}
.login-modal .modal-close:hover { color: var(--text-color); }

/* Details Modal */
.details-modal .modal-content { position: relative; }
.details-modal .modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: var(--surface);
  border: 2px solid var(--border-color);
  font-size: 1.4rem;
  cursor: pointer;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: var(--transition);
  color: var(--text-color);
}
.details-modal .modal-close:hover { background: #ef4444; color: #fff; border-color: #ef4444; }
.details-modal .modal-image img { 
  width: 100%; 
  max-height: 280px; 
  object-fit: cover; 
}
.details-modal .modal-body { padding: 24px; }
.details-modal .modal-body h2 { 
  font-size: 1.35rem; 
  margin: 10px 0 8px; 
  line-height: 1.4;
}
.announcement-category {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.announcement-meta {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}
.announcement-author {
  display: flex;
  align-items: center;
  gap: 4px;
}
.announcement-author::before { content: '•'; margin-right: 4px; }
.modal-full-content {
  line-height: 1.8;
  color: var(--text-light);
  font-size: 0.95rem;
}
.modal-share {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--border-color);
}
.modal-share span { font-weight: 600; font-size: 0.85rem; }
.modal-share a {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--primary-color);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  font-size: 0.8rem;
}
.modal-share a:hover { background: var(--secondary-color); transform: translateY(-2px); }

/* Footer */
.footer { background: var(--footer-bg); color: var(--footer-text); padding: 25px 0; }
.footer-bottom { text-align: center; font-size: 0.85rem; }

/* Back to Top */
.back-to-top { 
  position: fixed; 
  bottom: 24px; 
  right: 24px; 
  background: var(--primary-color); 
  color: #fff; 
  width: 42px; 
  height: 42px; 
  border-radius: 50%; 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  border: none; 
  cursor: pointer; 
  opacity: 0; 
  visibility: hidden; 
  transform: translateY(20px); 
  transition: var(--transition); 
  z-index: 997; 
  box-shadow: 0 4px 12px rgba(0,102,204,0.3); 
  font-size: 0.9rem;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--secondary-color); transform: translateY(-2px); }

/* Animations */
@keyframes fadeInUp { 
  from { opacity: 0; transform: translateY(20px); } 
  to { opacity: 1; transform: translateY(0); } 
}
.announcement-card { animation: fadeInUp 0.5s ease forwards; opacity: 0; }
.announcement-card:nth-child(1) { animation-delay: 0.05s; }
.announcement-card:nth-child(2) { animation-delay: 0.1s; }
.announcement-card:nth-child(3) { animation-delay: 0.15s; }
.announcement-card:nth-child(4) { animation-delay: 0.2s; }
.announcement-card:nth-child(5) { animation-delay: 0.25s; }
.announcement-card:nth-child(6) { animation-delay: 0.3s; }

/* Responsive */
@media (max-width: 992px) {
  .hamburger { display: flex; }
  .nav-menu { 
    position: fixed; 
    top: 0; 
    right: -100%; 
    width: 280px; 
    max-width: 80%; 
    height: 100vh; 
    background: var(--card-bg); 
    box-shadow: -5px 0 30px rgba(0,0,0,0.15); 
    z-index: 999; 
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1); 
    display: flex; 
    flex-direction: column; 
    padding: 85px 24px 24px; 
    overflow-y: auto; 
  }
  .nav-menu.active { right: 0; }
  .nav-menu .nav-list { flex-direction: column; gap: 0; width: 100%; }
  .nav-menu .nav-list li { width: 100%; border-bottom: 1px solid var(--border-color); }
  .nav-link { display: block; padding: 14px 8px; font-size: 1rem; border-radius: var(--radius-sm); }
  .nav-link:hover { background-color: rgba(0, 102, 204, 0.04); padding-left: 14px; }
  .nav-link::after { display: none; }
  .mobile-only { display: block; }
  .desktop-login-btn { display: none; }
  .page-header h1 { font-size: 2rem; }
  .announcement-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .nav-menu { width: 100%; max-width: 100%; }
  .page-header h1 { font-size: 1.7rem; }
  .page-header { padding: 90px 0 50px; }
  .search-filter-bar { flex-direction: column; }
  .search-box { min-width: auto; }
  .filter-group select { width: 100%; min-width: auto; }
  .modal { width: 95%; }
  .details-modal .modal-body { padding: 18px; }
  .announcement-grid { grid-template-columns: 1fr; gap: 16px; }
  .pagination-container { flex-wrap: wrap; gap: 10px; }
  .pagination-btn { padding: 8px 14px; font-size: 0.8rem; }
}