/* ============================================
   site.css — Base Variables & Foundation
   Color Palette: Magento-inspired Orange accent + vibrant category colors
   Typography: DM Sans
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;0,9..40,800;1,9..40,400&display=swap');

:root {
    --color-black: #0f0f0f;
    --color-white: #ffffff;
    --color-offwhite: #f0f0f0;

    --color-gray-50: #fafafa;
    --color-gray-100: #f4f4f5;
    --color-gray-200: #e4e4e7;
    --color-gray-300: #d4d4d8;
    --color-gray-400: #a1a1aa;
    --color-gray-500: #71717a;
    --color-gray-600: #52525b;
    --color-gray-700: #3f3f46;
    --color-gray-800: #27272a;
    --color-gray-900: #18181b;

    --color-bg: var(--color-offwhite);
    --color-surface: var(--color-white);
    --color-text: var(--color-black);
    --color-text-muted: var(--color-gray-500);
    --color-border: var(--color-gray-200);
    --color-border-strong: var(--color-gray-300);

    --color-accent: #f26322;
    --color-accent-hover: #d4541a;
    --color-accent-light: #fff4ed;

    /* Category-specific colors */
    --color-products: #3b82f6;
    --color-products-bg: #eff6ff;
    --color-categories: #8b5cf6;
    --color-categories-bg: #f5f3ff;
    --color-brands: #f59e0b;
    --color-brands-bg: #fffbeb;
    --color-tags: #06b6d4;
    --color-tags-bg: #ecfeff;
    --color-logos: #ec4899;
    --color-logos-bg: #fdf2f8;
    --color-media: #10b981;
    --color-media-bg: #ecfdf5;
    --color-features: #f97316;
    --color-features-bg: #fff7ed;
    --color-attributes: #6366f1;
    --color-attributes-bg: #eef2ff;
    --color-orders: #14b8a6;
    --color-orders-bg: #f0fdfa;

    --color-danger: #b91c1c;
    --color-danger-bg: #fef2f2;
    --color-success: #15803d;
    --color-success-bg: #f0fdf4;
    --color-warning: #a16207;
    --color-warning-bg: #fefce8;
    --color-info: #0369a1;
    --color-info-bg: #f0f9ff;

    --radius-sm: 4px;
    --radius: 6px;
    --radius-lg: 10px;
    --radius-xl: 16px;
    --radius-2xl: 20px;

    --shadow-xs: 0 1px 2px rgba(0,0,0,.04);
    --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.03);
    --shadow: 0 4px 6px -1px rgba(0,0,0,.06), 0 2px 4px -2px rgba(0,0,0,.04);
    --shadow-md: 0 8px 16px -4px rgba(0,0,0,.08), 0 4px 6px -4px rgba(0,0,0,.03);
    --shadow-lg: 0 16px 40px -8px rgba(0,0,0,.1), 0 6px 12px -4px rgba(0,0,0,.04);
    --shadow-xl: 0 24px 56px -12px rgba(0,0,0,.14);

    --font-sans: 'DM Sans', system-ui, -apple-system, sans-serif;
    --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;

    --transition: 150ms ease;
    --transition-slow: 250ms ease;
    --transition-spring: 300ms cubic-bezier(.34,1.56,.64,1);
}

/* ---- Reset & Foundation ---- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-sans);
    font-optical-sizing: auto;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.6;
    letter-spacing: -.01em;
}

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

a:hover {
    color: var(--color-accent);
}

::selection {
    background: var(--color-accent);
    color: var(--color-white);
}

:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

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

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--color-gray-300);
    border-radius: 3px;
}

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

/* ---- Fade-in animation ---- */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-12px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(.96); }
    to { opacity: 1; transform: scale(1); }
}

/* ---- Mega Menu ---- */
.mega-menu {
    position: absolute;
    left: 0;
    width: 100%;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 1.75rem 2rem;
    z-index: 9999;
    display: none;
    max-height: 450px;
    overflow-y: auto;
    animation: scaleIn .2s ease;
    transform-origin: top center;
}

.mega-menu a {
    color: var(--color-gray-600);
    font-size: .8125rem;
    padding: .2rem 0;
    display: inline-block;
    transition: color var(--transition), padding-left var(--transition);
}

.mega-menu a:hover {
    color: var(--color-accent);
    padding-left: 4px;
}

/* ---- Checkout ---- */
.checkout-step .accordion-button {
    font-weight: 600;
    font-size: .9375rem;
    gap: .75rem;
}

.checkout-step-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--color-accent);
    color: var(--color-white);
    font-size: .75rem;
    font-weight: 700;
    flex-shrink: 0;
}

.checkout-step .accordion-button.collapsed .checkout-step-badge {
    background: var(--color-gray-300);
    color: var(--color-gray-600);
}

.checkout-summary-table {
    font-size: .8125rem;
}

.checkout-summary-table thead th {
    font-weight: 600;
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .03em;
    color: var(--color-gray-500);
    border-bottom-width: 1px;
}

.checkout-summary-table tbody td {
    vertical-align: middle;
}

.checkout-summary-table tfoot td {
    border-top: 2px solid var(--color-border-strong);
}

.checkout-item-img {
    width: 48px;
    height: 48px;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.checkout-item-img-placeholder {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-100);
    border-radius: var(--radius-sm);
    color: var(--color-gray-300);
}

.checkout-address-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
}

.checkout-address-card-title {
    background: var(--color-gray-50);
    padding: .625rem .875rem;
    font-weight: 600;
    font-size: .8125rem;
    border-bottom: 1px solid var(--color-border);
}

.checkout-address-card-body {
    padding: .875rem;
    line-height: 1.7;
}

.checkout-confirm-total {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    background: var(--color-gray-50);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-weight: 600;
}

/* Checkout success */
.checkout-success-icon {
    font-size: 3.5rem;
    color: var(--color-success);
    margin-bottom: .5rem;
}

.checkout-success-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
}

.checkout-success-card-header {
    background: var(--color-gray-50);
    padding: .75rem 1rem;
    font-weight: 600;
    font-size: .875rem;
    border-bottom: 1px solid var(--color-border);
}

.checkout-success-card-body {
    padding: 1rem;
}