/* EcoPrintCourse.Web/wwwroot/css/site.css */

/* ==================== 全域樣式 ==================== */
:root {
    --primary-color: #28a745;
    --secondary-color: #6c757d;
    --dark-color: #343a40;
    --light-color: #f8f9fa;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
}

html {
    position: relative;
    min-height: 100%;
}

body {
    font-family: 'Segoe UI', 'Microsoft JhengHei', Arial, sans-serif;
    background-color: #f8f9fa;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
}

/* ==================== 導航列 ==================== */
.navbar {
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    transition: transform 0.3s ease;
}

    .navbar-brand:hover {
        transform: scale(1.05);
    }

.nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: all 0.3s ease;
    position: relative;
}

    .nav-link::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        width: 0;
        height: 2px;
        background: var(--success-color);
        transition: all 0.3s ease;
        transform: translateX(-50%);
    }

    .nav-link:hover::after {
        width: 80%;
    }

    /* 購物車徽章 */
    .nav-link .badge {
        font-size: 0.65rem;
        padding: 0.25rem 0.4rem;
    }

/* ==================== 按鈕樣式 ==================== */
.btn {
    border-radius: 0.375rem;
    font-weight: 500;
    padding: 0.625rem 1.25rem;
    transition: all 0.3s ease;
}

    .btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    }

.btn-success {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    border: none;
}

    .btn-success:hover {
        background: linear-gradient(135deg, #218838 0%, #1aa179 100%);
    }

/* ==================== 卡片樣式 ==================== */
.card {
    border: none;
    border-radius: 1rem;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    overflow: hidden;
}

    .card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
    }

.card-img-top {
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.card-title {
    font-weight: 600;
    color: var(--dark-color);
}

.card-text {
    color: var(--secondary-color);
}

/* ==================== Hero Section ==================== */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 100px 0;
    color: white;
    position: relative;
    overflow: hidden;
}

    .hero-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: url('/images/leaf-pattern.png') repeat;
        opacity: 0.1;
    }

    .hero-section .container {
        position: relative;
        z-index: 1;
    }

/* ==================== 課程卡片 ==================== */
.course-card {
    position: relative;
    margin-bottom: 2rem;
}

.course-price {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--success-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    z-index: 10;
}

.course-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    z-index: 10;
}

.course-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #dee2e6;
}

.course-meta-item {
    display: flex;
    align-items: center;
    color: var(--secondary-color);
    font-size: 0.9rem;
}

    .course-meta-item i {
        margin-right: 0.5rem;
        color: var(--success-color);
    }

/* ==================== 表單樣式 ==================== */
.form-control, .form-select {
    border-radius: 0.5rem;
    border: 1px solid #ced4da;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

    .form-control:focus, .form-select:focus {
        border-color: var(--success-color);
        box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
    }

.form-label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

/* ==================== 提示訊息 ==================== */
.alert {
    border-radius: 0.75rem;
    border: none;
    padding: 1rem 1.5rem;
}

    .alert i {
        font-size: 1.2rem;
    }

/* ==================== 分頁 ==================== */
.pagination {
    margin-top: 2rem;
}

.page-link {
    border-radius: 0.5rem;
    margin: 0 0.25rem;
    border: 1px solid #dee2e6;
    color: var(--success-color);
}

    .page-link:hover {
        background-color: var(--success-color);
        color: white;
        border-color: var(--success-color);
    }

.page-item.active .page-link {
    background-color: var(--success-color);
    border-color: var(--success-color);
}

/* ==================== Footer ==================== */
footer {
    margin-top: auto;
}

    footer a:hover {
        color: var(--success-color) !important;
        transition: color 0.3s ease;
    }

.social-links a {
    transition: all 0.3s ease;
}

    .social-links a:hover {
        transform: translateY(-3px);
    }

/* ==================== 購物車 ==================== */
.cart-item {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.cart-item-image {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 0.5rem;
}

.quantity-control {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

    .quantity-control button {
        width: 32px;
        height: 32px;
        border-radius: 50%;
        border: 1px solid #dee2e6;
        background: white;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.3s ease;
    }

        .quantity-control button:hover {
            background: var(--success-color);
            color: white;
            border-color: var(--success-color);
        }

/* ==================== 圖片畫廊 ==================== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 1rem;
    cursor: pointer;
    aspect-ratio: 1;
}

    .gallery-item img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.3s ease;
    }

    .gallery-item:hover img {
        transform: scale(1.1);
    }

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
    padding: 1rem;
    color: white;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

/* ==================== 載入動畫 ==================== */
.loading-spinner {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top-color: var(--success-color);
    animation: spin 1s linear infinite;
}

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

/* ==================== 響應式設計 ==================== */
@media (max-width: 768px) {
    .navbar-brand {
        font-size: 1.25rem;
    }

    .hero-section {
        padding: 60px 0;
    }

    .card-img-top {
        height: 200px;
    }

    .cart-item-image {
        width: 80px;
        height: 80px;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 1rem;
    }
}

/* ==================== 列印樣式 ==================== */
@media print {
    .navbar, footer, .btn, .alert {
        display: none;
    }
}