@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Sarabun:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #307987;      /* Dark teal/cyan accent */
    --primary-hover: #3d98a8;
    --primary-light: rgba(48, 121, 135, 0.2);
    --dark: #000000;
    --light: rgba(25, 25, 25, 0.85); /* Dark background for cards/containers */
    --gray-bg: transparent;  /* Transparent to let the brick image show through */
    --gray-border: rgba(255, 255, 255, 0.15);
    --text-color: #f4f4f4;   /* Light text */
    --text-muted: #a0a0a0;
    --success: #2ec4b6;
    --danger: #e63946;
    --shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.4);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', 'Sarabun', sans-serif;
}

body {
    background-image: url('images/bg.png');
    background-size: cover;
    background-attachment: fixed;
    background-position: center;
    color: var(--text-color);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

/* Header & Navigation */
header {
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--gray-border);
    box-shadow: var(--shadow-sm);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo span {
    color: var(--primary);
}

.search-bar {
    flex: 0 1 500px;
    display: flex;
    background: var(--gray-bg);
    border: 1px solid var(--gray-border);
    border-radius: 50px;
    padding: 4px 6px;
    transition: var(--transition);
}

.search-bar:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 183, 197, 0.25);
    background: var(--light);
}

.search-bar input {
    border: none;
    background: transparent;
    padding: 8px 15px;
    flex-grow: 1;
    outline: none;
    font-size: 14px;
}

.search-bar button {
    border: none;
    background: var(--primary);
    color: var(--light);
    padding: 8px 20px;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.search-bar button:hover {
    background: var(--primary-hover);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-link {
    font-weight: 500;
    color: var(--text-color);
    position: relative;
    padding: 5px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: var(--transition);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.cart-icon {
    position: relative;
    font-size: 20px;
    cursor: pointer;
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -10px;
    background: var(--danger);
    color: var(--light);
    font-size: 11px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

/* Primary Button style */
.btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
    font-size: 14px;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 183, 197, 0.4);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
}

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

/* Secondary & Container Layouts */
.container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

/* Auth Cards */
.auth-card {
    max-width: 400px;
    margin: 80px auto;
    background: var(--light);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow);
}

.auth-card h2 {
    margin-bottom: 24px;
    text-align: center;
    font-weight: 700;
    color: var(--dark);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 600;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray-border);
    border-radius: var(--radius-sm);
    outline: none;
    transition: var(--transition);
    font-size: 14px;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 183, 197, 0.2);
}

/* Homepage Banner */
.hero-banner {
    background: linear-gradient(135deg, var(--primary-light) 0%, #fff 100%);
    border-radius: var(--radius);
    padding: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 40px;
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(255, 183, 197, 0.3);
}

.hero-text {
    max-width: 50%;
}

.hero-text h1 {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--dark);
}

.hero-text h1 span {
    color: var(--primary);
}

.hero-text p {
    font-size: 16px;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.hero-image img {
    max-width: 400px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

/* Category Grid */
.section-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--dark);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 50px;
}

.category-card {
    background: var(--light);
    border-radius: var(--radius);
    padding: 30px 20px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-border);
    transition: var(--transition);
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: var(--primary);
}

.category-card .icon {
    font-size: 32px;
    margin-bottom: 12px;
    display: inline-block;
}

.category-card h3 {
    font-size: 16px;
    font-weight: 600;
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 30px;
}

.product-card {
    background: var(--light);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-border);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.product-image {
    position: relative;
    padding-top: 125%; /* 4:5 aspect ratio */
    overflow: hidden;
}

.product-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.product-details {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.product-name {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 48px;
}

.product-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 15px;
}

.product-price {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-hover);
}

/* Product Detail Page */
.product-detail-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    background: var(--light);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow);
}

.detail-image img {
    width: 100%;
    border-radius: var(--radius);
    object-fit: cover;
    max-height: 600px;
}

.detail-info h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 15px;
}

.detail-price {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-hover);
    margin-bottom: 20px;
}

.detail-desc {
    color: var(--text-muted);
    margin-bottom: 30px;
    font-size: 15px;
    line-height: 1.8;
}

.detail-action {
    display: flex;
    gap: 15px;
    align-items: center;
    margin-bottom: 30px;
}

.quantity-selector {
    display: flex;
    align-items: center;
    border: 1px solid var(--gray-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.quantity-selector button {
    border: none;
    background: var(--gray-bg);
    width: 40px;
    height: 40px;
    cursor: pointer;
    font-size: 16px;
    transition: var(--transition);
}

.quantity-selector button:hover {
    background: var(--primary-light);
}

.quantity-selector input {
    width: 50px;
    height: 40px;
    border: none;
    text-align: center;
    font-size: 15px;
    font-weight: 600;
    outline: none;
}

/* Cart Page */
.cart-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
}

.cart-items {
    background: var(--light);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow-sm);
}

.cart-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid var(--gray-border);
}

.cart-item:last-child {
    border-bottom: none;
}

.cart-item-img {
    width: 80px;
    height: 100px;
    border-radius: var(--radius-sm);
    object-fit: cover;
}

.cart-item-details {
    flex-grow: 1;
}

.cart-item-details h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 5px;
}

.cart-item-details p {
    color: var(--text-muted);
    font-size: 14px;
}

.cart-summary {
    background: var(--light);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow-sm);
    height: fit-content;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    font-size: 15px;
}

.summary-row.total {
    border-top: 1px solid var(--gray-border);
    padding-top: 15px;
    font-size: 18px;
    font-weight: 700;
}

/* Points reward details */
.points-reward {
    background: var(--primary-light);
    border-radius: var(--radius-sm);
    padding: 15px;
    margin-bottom: 20px;
    font-size: 14px;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid rgba(255, 183, 197, 0.5);
}

/* Admin Dashboard layout */
.admin-container {
    display: flex;
    min-height: calc(100vh - 75px);
}

.sidebar {
    width: 250px;
    background: var(--light);
    border-right: 1px solid var(--gray-border);
    padding: 30px 20px;
}

.sidebar-menu {
    list-style: none;
}

.sidebar-menu li {
    margin-bottom: 10px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    color: var(--text-color);
    transition: var(--transition);
}

.sidebar-link:hover, .sidebar-link.active {
    background: var(--primary-light);
    color: var(--primary-hover);
    font-weight: 600;
}

.admin-main {
    flex-grow: 1;
    padding: 40px;
    background: var(--gray-bg);
}

/* Stat Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    background: var(--light);
    padding: 25px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-border);
}

.stat-card h4 {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.stat-card .value {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark);
}

/* Tables */
.table-container {
    background: var(--light);
    border-radius: var(--radius);
    padding: 25px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-border);
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

table th {
    padding: 15px;
    border-bottom: 2px solid var(--gray-border);
    font-weight: 600;
    color: var(--text-muted);
    font-size: 14px;
}

table td {
    padding: 15px;
    border-bottom: 1px solid var(--gray-border);
    font-size: 14px;
    vertical-align: middle;
}

/* Status Badges */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
}

.badge-pending {
    background: #ffe3e3;
    color: var(--danger);
}

.badge-shipped {
    background: #e3faf2;
    color: var(--success);
}

.badge-delivered {
    background: #e7f5ff;
    color: #3b5bdb;
}

/* Alerts */
.alert {
    padding: 15px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-weight: 500;
}

.alert-success {
    background-color: #d3f9d8;
    color: #2b8a3e;
    border: 1px solid #b2f2bb;
}

.alert-danger {
    background-color: #ffe3e3;
    color: #c92a2a;
    border: 1px solid #ffc9c9;
}
