/* Enhanced Alliance Cards */

/* 預設每排顯示數量 (可由 JS 覆蓋) */
:root {
  --alliances-per-row: 4;
}

/* 排版切換按鈕 */
.layout-toggle {
  min-width: 100px;
  font-size: 0.85rem;
  transition: all 0.3s ease;
}
.layout-toggle:hover {
  transform: scale(1.05);
}

.alliances-showcase { padding: 80px 0; background: var(--section-gradient); }
.alliances-grid-container {
  display: grid;
  grid-template-columns: repeat(var(--alliances-per-row), 1fr);
  gap: 24px;
}
.alliance-card-modern { background: var(--surface); border-radius: 16px; overflow: hidden; box-shadow: 0 4px 20px rgba(0,0,0,0.08); transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1); display: flex; flex-direction: column; }
.alliance-card-modern:hover { transform: translateY(-8px); box-shadow: 0 12px 40px rgba(0,0,0,0.15); }

.alliance-header-section { position: relative; height: 200px; overflow: hidden; }
.alliance-hero-image { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.alliance-card-modern:hover .alliance-hero-image { transform: scale(1.1); }
.alliance-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.7) 100%); }
.alliance-header-content { position: absolute; bottom: 0; left: 0; right: 0; padding: 20px; color: white; z-index: 2; }
.alliance-region-badge { display: inline-block; padding: 4px 12px; background: rgba(255,255,255,0.25); backdrop-filter: blur(10px); border-radius: var(--radius-full); font-size: 0.75rem; font-weight: 600; margin-bottom: 8px; }
.alliance-title { font-family: 'Noto Serif TC', serif; font-size: 1.2rem; font-weight: 700; margin-bottom: 4px; text-shadow: 2px 2px 10px rgba(0,0,0,0.3); }
.alliance-description { font-size: 0.8rem; opacity: 0.95; line-height: 1.4; }

.alliance-body-section { padding: 16px; display: flex; flex-direction: column; flex-grow: 1; }
.alliance-stats { display: flex; gap: 12px; margin-bottom: 16px; }
.alliance-stat { text-align: center; flex: 1; }
.alliance-stat-number { font-size: 1.3rem; font-weight: 700; color: var(--primary-blue); }
.alliance-stat-label { font-size: 0.7rem; color: var(--text-muted); margin-top: 2px; }

.alliance-hotels-carousel { position: relative; margin-bottom: 12px; }
.alliance-hotels-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; transition: opacity 0.4s ease-in-out; }
.alliance-hotel-item { display: flex; flex-direction: column; border-radius: 8px; overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,0.1); transition: transform 0.3s ease; }
.alliance-hotel-item:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.15); }
.alliance-hotel-item img { width: 100%; height: 120px; object-fit: cover; }
.alliance-hotel-item-info { padding: 10px; background: var(--surface); flex-grow: 1; display: flex; flex-direction: column; justify-content: center; }
.alliance-hotel-item-name { font-weight: 600; color: var(--text-main); font-size: 0.9rem; margin-bottom: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.alliance-hotel-item-location { font-size: 0.75rem; color: var(--text-muted); }
.alliance-hotel-price { font-size: 0.9rem; font-weight: 700; color: var(--secondary-orange); margin-top: 4px; }

.carousel-nav { display: flex; justify-content: center; gap: 8px; margin-top: 10px; align-items: center; }
.carousel-btn { width: 32px; height: 32px; border-radius: 50%; background: var(--gradient-primary); color: white; border: none; cursor: pointer; font-weight: 600; transition: 0.3s; display: flex; align-items: center; justify-content: center; font-size: 1rem; }
.carousel-btn:hover { transform: scale(1.1); }
.carousel-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.carousel-dots { display: flex; gap: 6px; }
.carousel-dot { width: 8px; height: 8px; border-radius: 50%; background: #d0d0d0; cursor: pointer; transition: 0.3s; }
.carousel-dot.active { background: var(--primary-blue); }

.alliance-actions { display: flex; gap: 8px; margin-top: auto; }
.alliance-btn { flex: 1; padding: 10px 12px; border-radius: 8px; font-weight: 600; text-align: center; transition: 0.3s; font-size: 0.85rem; border: none; cursor: pointer; }
.alliance-btn-primary { background: var(--gradient-primary); color: white; box-shadow: 0 4px 15px rgba(30,95,168,0.3); }
.alliance-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 25px rgba(30,95,168,0.4); }

/* RWD - 覆蓋 CSS 變數以適應不同螢幕 */
@media (max-width: 1200px) {
  :root { --alliances-per-row: 3; }
  .alliances-grid-container { gap: 20px; }
}
@media (max-width: 768px) {
  :root { --alliances-per-row: 2; }
  .alliances-grid-container { gap: 16px; }
  .alliance-header-section { height: 160px; }
  .alliance-title { font-size: 1rem; }
  .alliance-description { font-size: 0.75rem; }
}
@media (max-width: 480px) {
  :root { --alliances-per-row: 1; }
  .alliance-header-section { height: 150px; }
}