/* ========================================
   CSS VARIABLES
   ======================================== */
:root {
    --primary-color: #1a1a1a;
    --secondary-color: #666666;
    --accent-color: #c9a55a;
    --accent-hover: #b59444;
    --background-color: #fafafa;
    --surface-color: #ffffff;
    --border-color: #e5e5e5;
    --text-light: #999999;
    --error-color: #ef4444;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Playfair Display', Georgia, serif;
}

/* ========================================
   RESET & BASE STYLES
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--background-color);
    color: var(--primary-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.hidden {
    display: none !important;
}

/* ========================================
   MAIN STORE - HEADER
   ======================================== */
.header {
    background-color: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.header-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    text-decoration: none;
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-main {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 2px;
}

.logo-sub {
    font-family: var(--font-primary);
    font-size: 0.7rem;
    font-weight: 400;
    color: var(--accent-color);
    letter-spacing: 3px;
    text-transform: uppercase;
}

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--secondary-color);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

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

.nav-admin {
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
    padding: 0.5rem 1rem;
    border-radius: 4px;
}

.nav-admin::after {
    display: none;
}

.nav-admin:hover {
    background-color: var(--accent-color);
    color: white;
}

/* ========================================
   MAIN STORE - HERO SECTION
   ======================================== */
.hero {
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
    padding: 5rem 2rem;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--secondary-color);
    font-weight: 300;
}

/* ========================================
   MAIN STORE - FILTER SECTION
   ======================================== */
.filter-section {
    background-color: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 72px;
    z-index: 999;
    box-shadow: var(--shadow-sm);
}

.filter-bar {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 0;
}

.search-box {
    position: relative;
    flex: 1;
    max-width: 400px;
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: 0.875rem 1rem 0.875rem 3rem;
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.95rem;
    font-family: var(--font-primary);
    background-color: var(--background-color);
    transition: var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-color);
    background-color: var(--surface-color);
    box-shadow: 0 0 0 3px rgba(201, 165, 90, 0.1);
}

.search-input::placeholder {
    color: var(--text-light);
}

.filter-dropdown {
    position: relative;
}

.filter-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.25rem;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--primary-color);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.filter-btn:hover {
    border-color: var(--accent-color);
    background-color: var(--background-color);
}

.dropdown-icon {
    color: var(--secondary-color);
    transition: var(--transition);
}

.filter-btn:hover .dropdown-icon {
    color: var(--accent-color);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 200px;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 1001;
    overflow: hidden;
}

.dropdown-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    padding: 0.875rem 1.25rem;
    font-size: 0.95rem;
    color: var(--secondary-color);
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 1px solid var(--border-color);
}

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

.dropdown-item:hover {
    background-color: var(--background-color);
    color: var(--primary-color);
}

.dropdown-item.active {
    color: var(--accent-color);
    font-weight: 600;
    background-color: rgba(201, 165, 90, 0.05);
}

/* ========================================
   MAIN STORE - PRODUCTS SECTION
   ======================================== */
.products-section {
    padding: 3rem 0 5rem;
    min-height: 60vh;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.product-card {
    background-color: var(--surface-color);
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.product-image-container {
    position: relative;
    width: 100%;
    padding-bottom: 125%;
    background-color: #f5f5f5;
    overflow: hidden;
}

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

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

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.7) 100%);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    transition: var(--transition);
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.view-details {
    color: white;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.product-info {
    padding: 1.5rem;
}

.product-name {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.product-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-color);
    letter-spacing: 0.5px;
}

/* ========================================
   MAIN STORE - MODAL
   ======================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-container {
    position: relative;
    background-color: var(--surface-color);
    border-radius: 16px;
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: modalSlideUp 0.3s ease-out;
}

@keyframes modalSlideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10;
    color: var(--secondary-color);
}

.modal-close:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: rotate(90deg);
}

.modal-content {
    display: grid;
}

.modal-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.modal-price {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 2rem;
    letter-spacing: 0.5px;
}

.modal-description {
    flex: 1;
    margin-bottom: 2rem;
}

.modal-description h3 {
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.75rem;
}

.modal-description p {
    color: var(--secondary-color);
    line-height: 1.8;
    font-size: 0.95rem;
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    border-radius: 8px;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

/* ========================================
   LOADING & EMPTY STATES
   ======================================== */
.loader-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
}

.loader {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-color);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loader-small {
    width: 20px;
    height: 20px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: inline-block;
}

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

.no-products,
.error-message {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
    color: var(--secondary-color);
    font-size: 1.125rem;
}

.error-message {
    color: var(--error-color);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background-color: var(--primary-color);
    color: white;
    padding: 2rem;
    text-align: center;
    margin-top: 4rem;
}

.footer p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

/* ========================================
   ADMIN - BODY & CONTAINER
   ======================================== */
.admin-body {
    background-color: #f8f9fc;
}

.admin-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* ========================================
   ADMIN - HEADER
   ======================================== */
.admin-header {
    background-color: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.admin-header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-logo {
    text-decoration: none;
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.admin-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.admin-user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1rem;
    background-color: var(--background-color);
    border-radius: 8px;
}

.user-avatar {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-hover) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.user-email {
    font-size: 0.9rem;
    color: var(--secondary-color);
    font-weight: 500;
}

.btn-logout {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--secondary-color);
    cursor: pointer;
    transition: var(--transition);
}

.btn-logout:hover {
    background-color: var(--error-color);
    border-color: var(--error-color);
    color: white;
}

/* ========================================
   ADMIN - LOGIN SECTION
   ======================================== */
.login-section {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-card {
    background-color: var(--surface-color);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    padding: 3rem;
    width: 100%;
    max-width: 450px;
    border: 1px solid var(--border-color);
}

.login-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.login-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.login-subtitle {
    font-size: 0.95rem;
    color: var(--secondary-color);
}

.login-footer {
    text-align: center;
    margin-top: 1.5rem;
}

.link-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--secondary-color);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.link-secondary:hover {
    color: var(--accent-color);
}

/* ========================================
   ADMIN - DASHBOARD
   ======================================== */
.dashboard-section {
    padding-top: 2rem;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.dashboard-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.dashboard-subtitle {
    font-size: 0.95rem;
    color: var(--secondary-color);
}

/* ========================================
   ADMIN - STATS GRID
   ======================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    transition: var(--transition);
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon-primary {
    background: linear-gradient(135deg, rgba(201, 165, 90, 0.1) 0%, rgba(201, 165, 90, 0.2) 100%);
    color: var(--accent-color);
}

.stat-icon-success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(16, 185, 129, 0.2) 100%);
    color: var(--success-color);
}

.stat-icon-warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(245, 158, 11, 0.2) 100%);
    color: var(--warning-color);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--secondary-color);
    margin-bottom: 0.25rem;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* ========================================
   ADMIN - TABLE
   ======================================== */
.table-card {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.table-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.table-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
}

.table-search {
    position: relative;
}

.table-search .search-icon {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    pointer-events: none;
}

.search-input-small {
    padding: 0.625rem 0.875rem 0.625rem 2.5rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.875rem;
    font-family: var(--font-primary);
    background-color: var(--background-color);
    transition: var(--transition);
    width: 250px;
}

.search-input-small:focus {
    outline: none;
    border-color: var(--accent-color);
    background-color: var(--surface-color);
}

.table-responsive {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table thead {
    background-color: #f8f9fc;
}

.data-table th {
    padding: 1rem 1.5rem;
    text-align: left;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
}

.data-table td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.data-table tbody tr {
    transition: var(--transition);
}

.data-table tbody tr:hover {
    background-color: #f8f9fc;
}

.table-image {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    overflow: hidden;
    background-color: #f5f5f5;
}

.table-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-name-cell {
    font-weight: 500;
    color: var(--primary-color);
}

.price-badge {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    background-color: rgba(201, 165, 90, 0.1);
    color: var(--accent-color);
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.875rem;
}

.category-badge {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    background-color: var(--background-color);
    color: var(--secondary-color);
    border-radius: 6px;
    font-size: 0.875rem;
}

.action-buttons {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
}

.btn-action {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    background-color: var(--surface-color);
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    color: var(--secondary-color);
}

.btn-action:hover {
    transform: translateY(-2px);
}

.btn-action-edit:hover {
    background-color: var(--info-color);
    border-color: var(--info-color);
    color: white;
}

.btn-action-delete:hover {
    background-color: var(--error-color);
    border-color: var(--error-color);
    color: white;
}

.table-loading,
.table-empty {
    text-align: center;
    padding: 3rem;
    color: var(--secondary-color);
}

/* ========================================
   FORMS
   ======================================== */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group-full {
    grid-column: 1 / -1;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-color);
}

.input-wrapper {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    pointer-events: none;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: var(--font-primary);
    background-color: var(--surface-color);
    transition: var(--transition);
}

.input-wrapper .form-input {
    padding-left: 3rem;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(201, 165, 90, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

select.form-input {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='12' viewBox='0 0 12 12' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M2 4L6 8L10 4' stroke='%23666666' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 3rem;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

/* ========================================
   FILE UPLOAD
   ======================================== */
.file-upload-area {
    position: relative;
}

.file-input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.file-upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2.5rem;
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    background-color: var(--background-color);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.file-upload-label:hover {
    border-color: var(--accent-color);
    background-color: rgba(201, 165, 90, 0.05);
}

.file-upload-label svg {
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.file-upload-text {
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.file-upload-hint {
    font-size: 0.875rem;
    color: var(--text-light);
}

.image-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.image-preview-item {
    position: relative;
    padding-bottom: 100%;
    border-radius: 8px;
    overflow: hidden;
    background-color: #f5f5f5;
}

.image-preview-item img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-preview-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 0.5rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-preview-name {
    font-size: 0.75rem;
    color: white;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.image-preview-badge {
    font-size: 0.75rem;
    color: white;
    background-color: var(--accent-color);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-weight: 600;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-hover) 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(201, 165, 90, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(201, 165, 90, 0.4);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background-color: var(--surface-color);
    color: var(--secondary-color);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--background-color);
    border-color: var(--secondary-color);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
    width: 100%;
}

/* ========================================
   ALERTS
   ======================================== */
.alert {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.alert-error {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

/* ========================================
   ADMIN MODAL
   ======================================== */
.modal-container-form {
    max-width: 700px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 2rem 2rem 0;
}

.modal-title-form {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
}

.modal-container-form form {
    padding: 1.5rem 2rem 2rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    margin-top: 1.5rem;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 1024px) {
    .modal-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .modal-image-wrapper {
        padding-bottom: 100%;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {

    .container,
    .admin-container {
        padding: 0 1rem;
    }

    .header-container,
    .admin-header-container {
        padding: 1rem;
    }

    .nav {
        gap: 1rem;
    }

    .nav-link {
        font-size: 0.875rem;
    }

    .hero {
        padding: 3rem 1rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .filter-bar {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
    }

    .search-box {
        max-width: 100%;
    }

    .filter-btn {
        width: 100%;
        justify-content: space-between;
    }

    .dropdown-menu {
        left: 0;
        right: 0;
        min-width: 100%;
    }

    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 1rem;
    }

    .product-info {
        padding: 1rem;
    }

    .product-name {
        font-size: 0.95rem;
    }

    .product-price {
        font-size: 1rem;
    }

    .modal {
        padding: 1rem;
    }

    .modal-content {
        padding: 1.5rem;
        gap: 1.5rem;
    }

    .modal-title {
        font-size: 1.5rem;
    }

    .modal-price {
        font-size: 1.25rem;
    }

    .modal-close {
        top: 1rem;
        right: 1rem;
        width: 36px;
        height: 36px;
    }

    .dashboard-header {
        flex-direction: column;
        gap: 1rem;
    }

    .dashboard-header .btn {
        width: 100%;
    }

    .table-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }

    .search-input-small {
        width: 100%;
    }

    .data-table th,
    .data-table td {
        padding: 0.75rem 1rem;
        font-size: 0.85rem;
    }

    .login-card {
        padding: 2rem;
    }

    .login-title {
        font-size: 1.75rem;
    }

    .admin-user-info {
        display: none;
    }

    .modal-footer {
        flex-direction: column;
    }

    .modal-footer .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .logo-main {
        font-size: 1.25rem;
    }

    .logo-sub {
        font-size: 0.65rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }

    .stat-card {
        padding: 1rem;
    }

    .stat-icon {
        width: 48px;
        height: 48px;
    }

    .stat-value {
        font-size: 1.5rem;
    }

    .data-table th,
    .data-table td {
        padding: 0.625rem 0.75rem;
    }

    .table-image {
        width: 48px;
        height: 48px;
    }
}

/* ========================================
   SCROLLBAR STYLING
   ======================================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--background-color);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* ========================================
   UTILITY CLASSES
    text-align: center;
}

.mt-1 {
    margin-top: 0.5rem;
}

.mt-2 {
    margin-top: 1rem;
}

.mt-3 {
    margin-top: 1.5rem;
}

.mb-1 {
    margin-bottom: 0.5rem;
}

.mb-2 {
    margin-bottom: 1rem;
}

.mb-3 {
    margin-bottom: 1.5rem;
}

/* ========================================
   SLIDER STYLES
   ======================================== */
.slider-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.8);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    color: var(--primary-color);
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.slider-btn:hover {
    background-color: white;
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.slider-btn.prev {
    left: 1rem;
}

.slider-btn.next {
    right: 1rem;
}

.slider-dots {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    z-index: 10;
    background-color: rgba(0, 0, 0, 0.3);
    padding: 0.5rem 0.75rem;
    border-radius: 20px;
    backdrop-filter: blur(4px);
}

.slider-dot {
    width: 8px;
    height: 8px;
    background-color: rgba(255, 255, 255, 0.5);
    gap: 1rem;
}

.dashboard-header .btn {
    width: 100%;
}

.table-header {
    flex-direction: column;
    gap: 1rem;
    align-items: stretch;
}

.search-input-small {
    width: 100%;
}

.data-table th,
.data-table td {
    padding: 0.75rem 1rem;
    font-size: 0.85rem;
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--background-color);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* ========================================
   UTILITY CLASSES
    text-align: center;
}

.mt-1 {
    margin-top: 0.5rem;
}

.mt-2 {
    margin-top: 1rem;
}

.mt-3 {
    margin-top: 1.5rem;
}

.mb-1 {
    margin-bottom: 0.5rem;
}

.mb-2 {
    margin-bottom: 1rem;
}

.mb-3 {
    margin-bottom: 1.5rem;
}

/* ========================================
   SLIDER STYLES
   ======================================== */
.slider-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.8);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    color: var(--primary-color);
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.slider-btn:hover {
    background-color: white;
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.slider-btn.prev {
    left: 1rem;
}

.slider-btn.next {
    right: 1rem;
}

.slider-dots {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    z-index: 10;
    background-color: rgba(0, 0, 0, 0.3);
    padding: 0.5rem 0.75rem;
    border-radius: 20px;
    backdrop-filter: blur(4px);
}

.slider-dot {
    width: 8px;
    height: 8px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

.slider-dot.active {
    background-color: white;
    transform: scale(1.2);
}

.slider-dot:hover {
    background-color: rgba(255, 255, 255, 0.8);
}

/* ========================================
   MODAL IMAGE STYLES
   ======================================== */
.modal-image-wrapper {
    position: relative;
    width: 100%;
    height: 400px;
    background-color: #f5f5f5;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.modal-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

/* Mobile modal image adjustments */
@media (max-width: 768px) {
    .modal-image-wrapper {
        height: 60vh;
        min-height: 350px;
        max-height: 500px;
        border-radius: 0;
        margin-bottom: 1rem;
    }

    .modal-container {
        border-radius: 12px 12px 0 0;
        margin-top: auto;
    }
}

@media (max-width: 480px) {
    .modal-image-wrapper {
        height: 55vh;
        min-height: 300px;
    }
}