/* updates.css - Only page-specific styles */
/* Navbar, Footer, Loading are from style.css */

/* ===== CSS VARIABLES (Matching style.css) ===== */
:root {
    --primary-blue: #1a237e;
    --accent-blue: #1976d2;
    --dark-blue: #0d1530;
    --light-blue: #e8eaf6;
    --pure-white: #ffffff;
    --off-white: #fafafa;
    --dark-gray: #212121;
    --medium-gray: #424242;
    --light-gray: #757575;
    --shadow-soft: 0 2px 15px rgba(0, 0, 0, 0.06);
    --shadow-medium: 0 4px 25px rgba(0, 0, 0, 0.1);
    --shadow-strong: 0 8px 40px rgba(0, 0, 0, 0.12);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --section-spacing: 50px;
}

/* ===== PAGE CONTENT SPACING ===== */
.page-content {
    margin-top: 70px; /* Same as navbar height */
    min-height: calc(100vh - 400px);
}

.main-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 30px 4%;
}

/* ===== PAGE TITLE ===== */
.page-title {
    text-align: center;
    margin-bottom: 50px;
    padding: 30px 0;
}

.page-title h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-blue);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.page-title p {
    color: var(--medium-gray);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ===== NEWS GRID ===== */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.news-card {
    background: var(--pure-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-smooth);
    border: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
    border-color: var(--accent-blue);
}

.news-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.news-card:hover .news-image img {
    transform: scale(1.05);
}

.news-image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--light-blue), var(--accent-blue));
    display: flex;
    align-items: center;
    justify-content: center;
}

.news-image-placeholder i {
    font-size: 3rem;
    color: var(--pure-white);
    opacity: 0.8;
}

.news-content {
    padding: 25px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-content h3 {
    font-size: 1.3rem;
    color: var(--dark-blue);
    margin-bottom: 12px;
    font-weight: 600;
    line-height: 1.4;
}

.news-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 0.85rem;
    color: var(--light-gray);
}

.news-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.news-text {
    color: var(--medium-gray);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 15px;
    flex: 1;
}

.read-more-btn {
    background: transparent;
    color: var(--accent-blue);
    border: 1px solid var(--accent-blue);
    padding: 8px 16px;
    border-radius: var(--border-radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    align-self: flex-start;
    margin-top: 10px;
}

.read-more-btn:hover {
    background: var(--accent-blue);
    color: var(--pure-white);
    transform: translateY(-2px);
}

.video-link {
    margin-top: 15px;
}

.video-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--light-blue);
    color: var(--primary-blue);
    padding: 8px 16px;
    border-radius: var(--border-radius-md);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.video-btn:hover {
    background: var(--accent-blue);
    color: var(--pure-white);
    transform: translateY(-2px);
}

/* ===== HOLIDAY SECTION ===== */
.holiday-section {
    margin-bottom: 60px;
    padding: 40px 0;
    background: var(--off-white);
    border-radius: var(--border-radius-lg);
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark-blue);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.section-header p {
    color: var(--medium-gray);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.holiday-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    max-width: 1000px;
    margin: 0 auto;
}

.holiday-card {
    background: var(--pure-white);
    border-radius: var(--border-radius-lg);
    padding: 25px;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-smooth);
    border: 1px solid rgba(0, 0, 0, 0.05);
    text-align: center;
}

.holiday-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
    border-color: var(--accent-blue);
}

.holiday-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--light-blue), var(--accent-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.holiday-icon i {
    font-size: 2rem;
    color: var(--pure-white);
}

.holiday-content h3 {
    font-size: 1.2rem;
    color: var(--dark-blue);
    margin-bottom: 12px;
    font-weight: 600;
}

.holiday-content p {
    color: var(--medium-gray);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent-blue);
    color: var(--pure-white);
    padding: 10px 20px;
    border-radius: var(--border-radius-md);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-fast);
    border: none;
    cursor: pointer;
}

.download-btn:hover {
    background: var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(25, 118, 210, 0.3);
}

/* ===== CALENDAR SECTION ===== */
.calendar-section {
    margin-bottom: 60px;
    padding: 40px 0;
}

.calendar-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    max-width: 1000px;
    margin: 0 auto;
}

.calendar-card {
    background: var(--pure-white);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-smooth);
    border: 1px solid rgba(0, 0, 0, 0.05);
    text-align: center;
}

.calendar-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
    border-color: var(--accent-blue);
}

.calendar-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--light-blue), var(--accent-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.calendar-icon i {
    font-size: 2rem;
    color: var(--pure-white);
}

.calendar-card h3 {
    font-size: 1.3rem;
    color: var(--dark-blue);
    margin-bottom: 15px;
    font-weight: 600;
}

.calendar-card p {
    color: var(--medium-gray);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.calendar-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--light-blue);
    color: var(--primary-blue);
    padding: 10px 20px;
    border-radius: var(--border-radius-md);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.calendar-btn:hover {
    background: var(--accent-blue);
    color: var(--pure-white);
    transform: translateY(-2px);
}

/* ===== EMPTY STATES ===== */
.no-news,
.no-holidays {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: var(--medium-gray);
}

.no-news i,
.no-holidays i {
    font-size: 4rem;
    color: var(--light-gray);
    margin-bottom: 20px;
}

.no-news h3,
.no-holidays h3 {
    color: var(--dark-gray);
    margin-bottom: 10px;
    font-size: 1.5rem;
}

.no-news p,
.no-holidays p {
    color: var(--medium-gray);
    max-width: 400px;
    margin: 0 auto;
}

/* ===== RESPONSIVE DESIGN ===== */

/* Tablets */
@media (max-width: 992px) {
    .page-title h1 {
        font-size: 2rem;
    }
    
    .news-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
}

/* Small Tablets */
@media (max-width: 768px) {
    .page-title h1 {
        font-size: 1.8rem;
        flex-direction: column;
        gap: 10px;
    }
    
    .news-grid,
    .holiday-grid,
    .calendar-info {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .news-content {
        padding: 20px;
    }
    
    .holiday-card,
    .calendar-card {
        padding: 20px;
    }
}

/* Mobile */
@media (max-width: 600px) {
    .page-title h1 {
        font-size: 1.6rem;
    }
    
    .page-title p {
        font-size: 1rem;
    }
    
    .section-header h2 {
        font-size: 1.5rem;
    }
    
    .news-meta {
        flex-direction: column;
        gap: 8px;
    }
    
    .main-container {
        padding: 20px 4%;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .news-grid,
    .holiday-grid,
    .calendar-info {
        grid-template-columns: 1fr;
    }
    
    .news-image {
        height: 180px;
    }
    
    .holiday-icon,
    .calendar-icon {
        width: 60px;
        height: 60px;
    }
    
    .holiday-icon i,
    .calendar-icon i {
        font-size: 1.5rem;
    }
    
    .page-title h1 {
        font-size: 1.4rem;
    }
}

/* ===== ACADEMIC CALENDAR STYLES ===== */
.calendar-meta {
  display: flex;
  justify-content: center;
  margin-bottom: 15px;
  font-size: 0.85rem;
  color: var(--light-gray);
}

.calendar-meta span {
  display: flex;
  align-items: center;
  gap: 5px;
}

.back-container {
  text-align: center;
  margin-bottom: 30px;
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--light-gray);
  color: var(--pure-white);
  padding: 10px 20px;
  border-radius: var(--border-radius-md);
  border: none;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.back-btn:hover {
  background: var(--medium-gray);
  transform: translateY(-2px);
}

/* ===== HOLIDAY CARD ENHANCEMENTS ===== */
.holiday-meta {
  display: flex;
  justify-content: center;
  margin-bottom: 15px;
  font-size: 0.85rem;
  color: var(--light-gray);
}

.holiday-meta span {
  display: flex;
  align-items: center;
  gap: 5px;
}

/* ===== EMPTY STATES ENHANCEMENT ===== */
.no-calendar {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--medium-gray);
}

.no-calendar i {
  font-size: 4rem;
  color: var(--light-gray);
  margin-bottom: 20px;
}

.no-calendar h3 {
  color: var(--dark-gray);
  margin-bottom: 10px;
  font-size: 1.5rem;
}

.no-calendar p {
  color: var(--medium-gray);
  max-width: 400px;
  margin: 0 auto;
}

/* ===== LOADING STATE ===== */
.loading {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--light-blue);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 20px;
}

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

/* ===== YOUTUBE EMBED STYLES ===== */
.youtube-embed {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  height: 0;
  margin: 15px 0;
  border-radius: var(--border-radius-md);
  overflow: hidden;
}

.youtube-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* ===== RESPONSIVE ENHANCEMENTS ===== */
@media (max-width: 768px) {
  .calendar-meta,
  .holiday-meta {
    font-size: 0.8rem;
  }
  
  .back-btn {
    padding: 8px 16px;
    font-size: 0.85rem;
  }
}

@media (max-width: 480px) {
  .calendar-card,
  .holiday-card {
    padding: 15px;
  }
  
  .calendar-icon,
  .holiday-icon {
    width: 50px;
    height: 50px;
  }
  
  .calendar-icon i,
  .holiday-icon i {
    font-size: 1.5rem;
  }
}