.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-lg);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-base);
  white-space: nowrap;
  line-height: 1.2;
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--transition-fast);
}
.btn:hover::before { background: rgba(255,255,255,0.08); }
.btn:active { transform: scale(0.98); }

.btn--primary {
  background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-500));
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(46, 109, 164, 0.35);
}
.btn--primary:hover {
  background: linear-gradient(135deg, var(--color-primary-700), var(--color-primary-600));
  box-shadow: 0 6px 20px rgba(46, 109, 164, 0.45);
  transform: translateY(-1px);
}

.btn--secondary {
  background: var(--color-white);
  color: var(--color-primary-700);
  border-color: var(--color-primary-300);
}
.btn--secondary:hover {
  background: var(--color-primary-50);
  border-color: var(--color-primary-400);
  transform: translateY(-1px);
}

.btn--gold {
  background: linear-gradient(135deg, var(--color-accent-gold), var(--color-accent-gold-dark));
  color: var(--color-primary-900);
  box-shadow: 0 4px 14px rgba(201, 162, 39, 0.35);
}
.btn--gold:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(201, 162, 39, 0.45);
}

.btn--ghost {
  background: transparent;
  color: var(--color-primary-600);
  border-color: transparent;
}
.btn--ghost:hover {
  background: var(--color-primary-50);
  color: var(--color-primary-700);
}

.btn--danger {
  background: linear-gradient(135deg, var(--color-accent-red), #a93226);
  color: var(--color-white);
}
.btn--danger:hover {
  background: linear-gradient(135deg, #a93226, #7b241c);
  transform: translateY(-1px);
}

.btn--sm { padding: var(--space-2) var(--space-4); font-size: var(--text-xs); border-radius: var(--radius-md); }
.btn--lg { padding: var(--space-4) var(--space-8); font-size: var(--text-base); }
.btn--xl { padding: var(--space-5) var(--space-10); font-size: var(--text-lg); border-radius: var(--radius-xl); }
.btn--full { width: 100%; }
.btn--icon { padding: var(--space-2); border-radius: var(--radius-md); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

.card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-100);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary-200);
}

.card__image-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
  background: var(--color-gray-100);
}
.card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.card:hover .card__image { transform: scale(1.05); }

.card__image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary-50), var(--color-primary-100));
  color: var(--color-primary-300);
}

.card__category-badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
}

.card__body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}
.card__meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.card__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--fw-bold);
  color: var(--color-primary-800);
  margin-bottom: var(--space-3);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  line-height: 1.6;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-gray-100);
}

.card__author {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.card__avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-300));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 11px;
  font-weight: var(--fw-bold);
  flex-shrink: 0;
}
.card__author-name {
  font-size: var(--text-xs);
  font-weight: var(--fw-medium);
  color: var(--color-gray-600);
}

.card__read-more {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  color: var(--color-primary-600);
  transition: gap var(--transition-fast), color var(--transition-fast);
}
.card:hover .card__read-more {
  gap: var(--space-2);
  color: var(--color-primary-700);
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  cursor: pointer;
  background: var(--color-gray-200);
  aspect-ratio: 1;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.gallery-item:hover img { transform: scale(1.08); }

.gallery-item__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(14, 31, 51, 0.85), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-4);
}
.gallery-item:hover .gallery-item__overlay { opacity: 1; }
.gallery-item__caption {
  color: var(--color-white);
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
}
.gallery-item__zoom-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.5);
  opacity: 0;
  color: white;
  transition: all var(--transition-spring);
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}
.gallery-item:hover .gallery-item__zoom-icon {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
}

.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 9000;
  backdrop-filter: blur(4px);
}
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9001;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
}
.lightbox__content {
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}
.lightbox__content img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-2xl);
}
.lightbox__caption {
  color: rgba(255,255,255,0.8);
  font-size: var(--text-sm);
  text-align: center;
}
.lightbox__close,
.lightbox__prev,
.lightbox__next {
  position: fixed;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-full);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  transition: background var(--transition-fast), transform var(--transition-spring);
  backdrop-filter: blur(4px);
  cursor: pointer;
}
.lightbox__close:hover,
.lightbox__prev:hover,
.lightbox__next:hover { background: rgba(255,255,255,0.25); }

.lightbox__close { top: var(--space-6); right: var(--space-6); }
.lightbox__prev  { left: var(--space-6); top: 50%; transform: translateY(-50%); }
.lightbox__next  { right: var(--space-6); top: 50%; transform: translateY(-50%); }
.lightbox__prev:hover { transform: translateY(-50%) scale(1.1); }
.lightbox__next:hover { transform: translateY(-50%) scale(1.1); }

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}
.form-label {
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-gray-700);
}
.form-label span { color: var(--color-accent-red); margin-left: 2px; }

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-family: var(--font-body);
  color: var(--color-gray-800);
  background: var(--color-white);
  border: 1.5px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  appearance: none;
}
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-primary-400);
  box-shadow: 0 0 0 3px rgba(74, 143, 197, 0.15);
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--color-gray-400); }
.form-textarea { min-height: 120px; resize: vertical; }
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2394a3b8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
  cursor: pointer;
}
.form-input.error,
.form-textarea.error { border-color: var(--color-error); }
.form-hint {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
}
.form-error {
  font-size: var(--text-xs);
  color: var(--color-error);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.file-drop {
  border: 2px dashed var(--color-gray-300);
  border-radius: var(--radius-xl);
  padding: var(--space-10) var(--space-6);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-base);
  background: var(--color-gray-50);
  position: relative;
}
.file-drop:hover,
.file-drop.drag-over {
  border-color: var(--color-primary-400);
  background: var(--color-primary-50);
}
.file-drop input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}
.file-drop__icon { color: var(--color-primary-400); margin: 0 auto var(--space-3); }
.file-drop__title { font-weight: var(--fw-semibold); color: var(--color-primary-700); margin-bottom: var(--space-1); }
.file-drop__sub { font-size: var(--text-sm); color: var(--color-gray-400); }

.image-preview-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-4);
}
.image-preview-item {
  position: relative;
  width: 140px;
  height: 140px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-gray-100);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  border: 2px solid white;
  transition: transform 0.2s ease;
}
.image-preview-item:hover {
  transform: translateY(-2px);
}
.image-preview-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.image-preview-item__remove {
  position: absolute;
  top: 4px;
  right: 4px;
  background: rgba(220, 38, 38, 0.85);
  color: white;
  border: none;
  border-radius: 50%;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 12px;
  transition: background var(--transition-fast);
}
.image-preview-item__remove:hover { background: var(--color-accent-red); }

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-12);
}
.pagination__btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--color-gray-200);
  background: var(--color-white);
  color: var(--color-gray-600);
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.pagination__btn:hover {
  border-color: var(--color-primary-300);
  color: var(--color-primary-600);
  background: var(--color-primary-50);
}
.pagination__btn.active {
  background: var(--color-primary-600);
  color: var(--color-white);
  border-color: var(--color-primary-600);
}
.pagination__btn:disabled { opacity: 0.4; cursor: not-allowed; }

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 8000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  backdrop-filter: blur(4px);
  animation: fadeIn 0.2s ease;
}
.modal {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp 0.3s var(--transition-spring);
}
.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6) var(--space-8);
  border-bottom: 1px solid var(--color-gray-100);
}
.modal__title {
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  color: var(--color-primary-800);
  font-family: var(--font-heading);
}
.modal__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-gray-500);
  transition: all var(--transition-fast);
}
.modal__close:hover { background: var(--color-gray-100); color: var(--color-gray-800); }
.modal__body { padding: var(--space-8); }
.modal__footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-6) var(--space-8);
  border-top: 1px solid var(--color-gray-100);
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-16) var(--space-6);
  text-align: center;
  color: var(--color-gray-400);
  gap: var(--space-4);
}
.empty-state__icon {
  width: 64px;
  height: 64px;
  color: var(--color-gray-300);
}
.empty-state__title {
  font-size: var(--text-xl);
  font-weight: var(--fw-semibold);
  color: var(--color-gray-600);
  font-family: var(--font-heading);
}
.empty-state__sub {
  font-size: var(--text-sm);
  max-width: 320px;
  line-height: 1.6;
}

.search-bar {
  position: relative;
  display: flex;
  align-items: center;
}
.search-bar__icon {
  position: absolute;
  left: var(--space-4);
  color: var(--color-gray-400);
  pointer-events: none;
}
.search-bar input {
  width: 100%;
  padding: var(--space-3) var(--space-4) var(--space-3) calc(var(--space-4)*2 + 20px);
  border: 1.5px solid var(--color-gray-200);
  border-radius: var(--radius-full);
  background: var(--color-white);
  font-size: var(--text-sm);
  color: var(--color-gray-800);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.search-bar input:focus {
  border-color: var(--color-primary-400);
  box-shadow: 0 0 0 3px rgba(74, 143, 197, 0.12);
}
.search-bar input::placeholder { color: var(--color-gray-400); }

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-4);
  border: 1.5px solid var(--color-gray-200);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: var(--color-gray-600);
  background: var(--color-white);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}
.chip:hover {
  border-color: var(--color-primary-300);
  color: var(--color-primary-600);
  background: var(--color-primary-50);
}
.chip.active {
  background: var(--color-primary-600);
  color: var(--color-white);
  border-color: var(--color-primary-600);
}

.stat-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-100);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}
.stat-card__number {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--fw-extrabold);
  background: linear-gradient(135deg, var(--color-primary-700), var(--color-primary-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-2);
}
.stat-card__label {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  font-weight: var(--fw-medium);
}

.event-card {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--color-white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-gray-100);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.event-card:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-200);
}
.event-card__date {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 52px;
  background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-500));
  color: white;
  border-radius: var(--radius-lg);
  padding: var(--space-2) var(--space-3);
  text-align: center;
}
.event-card__day {
  font-size: var(--text-xl);
  font-weight: var(--fw-extrabold);
  line-height: 1;
}
.event-card__month {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.85;
}
.event-card__body { flex: 1; }
.event-card__title {
  font-weight: var(--fw-semibold);
  color: var(--color-primary-800);
  font-size: var(--text-sm);
  margin-bottom: var(--space-1);
  line-height: 1.3;
}
.event-card__description {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.event-card__time {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  margin-top: var(--space-2);
}

.article-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto var(--space-8);
}
.article-body {
  max-width: 760px;
  margin: 0 auto;
  font-size: var(--text-lg);
  color: var(--color-gray-700);
  line-height: 1.9;
}
.article-body p { margin-bottom: var(--space-5); }
.article-body h2 {
  font-size: var(--text-2xl);
  color: var(--color-primary-800);
  margin: var(--space-8) 0 var(--space-4);
}
.article-images {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-4);
  margin: var(--space-8) 0;
}
.article-images img {
  width: 100%;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: transform var(--transition-base);
  aspect-ratio: 4/3;
  object-fit: cover;
}
.article-images img:hover { transform: scale(1.02); }

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  background: var(--color-gray-200);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.calendar-day-header {
  background: var(--color-primary-800);
  color: white;
  text-align: center;
  padding: var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.calendar-day {
  background: var(--color-white);
  min-height: 90px;
  padding: var(--space-2);
  position: relative;
  transition: background var(--transition-fast);
}
.calendar-day:hover { background: var(--color-primary-50); }
.calendar-day.other-month { background: var(--color-gray-50); }
.calendar-day.other-month .day-number { color: var(--color-gray-300); }
.calendar-day.today { background: var(--color-primary-50); }
.calendar-day.today .day-number {
  background: var(--color-primary-600);
  color: white;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.day-number {
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: var(--color-gray-700);
  margin-bottom: var(--space-1);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.day-event {
  background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-400));
  color: white;
  font-size: 10px;
  padding: 2px var(--space-1);
  border-radius: var(--radius-sm);
  margin-bottom: 2px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  cursor: pointer;
}
.day-event:hover { background: linear-gradient(135deg, var(--color-primary-700), var(--color-primary-600)); }

@media (max-width: 768px) {
  .calendar-grid { gap: 1px; }
  .calendar-day { min-height: 60px; }
  .calendar-day-header { font-size: 10px; padding: var(--space-2); }
  .day-event { display: none; }

  .modal { max-width: 100%; margin: var(--space-4); border-radius: var(--radius-xl); }
  .modal__header { padding: var(--space-5) var(--space-5); }
  .modal__body { padding: var(--space-5); }
  .modal__footer { padding: var(--space-4) var(--space-5); }
}