/**
 * 西藏旅遊網站 - 全局樣式
 * 配合 Tailwind CSS 使用
 */

/* ========== CSS 變量 ========== */
:root {
    --color-primary: #ad1818;
    --color-primary-dark: #8b1414;
    --color-primary-light: #c03737;
    --color-secondary: #f46b61;
}

/* ========== 基礎樣式 ========== */
html {
    scroll-behavior: smooth;
}

body {
    font-family: '微軟正黑體', 'Microsoft JhengHei', Arial, sans-serif;
}

/* ========== 文字截斷 ========== */
.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ========== 導航樣式 ========== */
.nav-dropdown {
    display: none;
    position: absolute;
    left: 0;
    top: 100%;
    min-width: 200px;
    background-color: rgba(192, 55, 55, 0.95);
    z-index: 50;
}

.nav-item:hover .nav-dropdown {
    display: block;
}

/* ========== 動畫效果 ========== */
.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========== 卡片懸停效果 ========== */
.card-hover {
    transition: all 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

/* ========== 按鈕樣式 ========== */
.btn-primary {
    background-color: var(--color-primary);
    color: white;
    transition: all 0.3s ease;
}

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

/* ========== 表單樣式 ========== */
.form-input:focus {
    border-color: var(--color-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(173, 24, 24, 0.1);
}

/* ========== 返回頂部按鈕 ========== */
#backToTop {
    transition: all 0.3s ease;
}

#backToTop:hover {
    transform: translateY(-3px);
}

/* ========== 響應式調整 ========== */
@media (max-width: 768px) {
    .mobile-menu-open {
        display: block !important;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
}

@media (max-width: 640px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

/* ========== 評論星級樣式 ========== */
.star-rating {
    color: #fbbf24;
}

/* ========== 圖片覆蓋效果 ========== */
.image-overlay {
    position: relative;
}

.image-overlay::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 50%, rgba(0, 0, 0, 0.6) 100%);
}

/* ========== 載入動畫 ========== */
.loading {
    display: inline-block;
    animation: spin 1s linear infinite;
}

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

.page-btn.current {
    background-color: var(--color-primary) !important;
    border-color: var(--color-primary) !important;
}
.page-btn:hover {
    color: var(--color-primary) !important;
    border-color: var(--color-primary) !important;
}