/* 
   Premium Clothing E-Commerce Demo
   Vanilla CSS Implementation
*/

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Inter:wght@300;400;500;600&display=swap');

:root {
    --color-bg: #0a0a0c;
    --color-surface: #141416;
    --color-surface-hover: #1c1c1f;
    --color-border: rgba(255, 255, 255, 0.08);

    --color-text-primary: #ffffff;
    --color-text-secondary: #9ca3af;
    --color-text-tertiary: #6b7280;

    --color-accent: #d4af37;
    /* Premium Gold */
    --color-accent-hover: #e5c158;

    --color-error: #ef4444;
    --color-success: #10b981;

    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Inter', sans-serif;

    --transition-fast: 0.2s ease;
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ================= DEMO BANNER ================= */
.demo-banner {
    background: var(--color-accent);
    color: var(--color-bg);
    text-align: center;
    padding: 0.6rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    position: relative;
    z-index: 2000;
}

.demo-banner i {
    margin-right: 0.5rem;
}

.demo-banner.admin-banner {
    background: #2a2a2a;
    color: var(--color-accent);
    border-bottom: 1px solid var(--color-accent);
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-serif);
    font-weight: 400;
}

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

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

button {
    font-family: var(--font-sans);
    cursor: pointer;
    border: none;
    background: none;
    transition: var(--transition-fast);
}

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

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

/* ================= HEADER ================= */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 10, 12, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-text-primary);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-secondary);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-text-primary);
}

.header-icons {
    display: flex;
    gap: 1.5rem;
    color: var(--color-text-primary);
}

.icon-btn {
    font-size: 1.2rem;
    color: var(--color-text-primary);
}

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

/* ================= HERO ================= */
.hero {
    height: 70vh;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(212, 175, 55, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    max-width: 800px;
    z-index: 10;
}

.hero-subtitle {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--color-accent);
    margin-bottom: 1rem;
    display: block;
}

.hero-title {
    font-size: clamp(3rem, 6vw, 5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-text {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.5rem;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    background: transparent;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--color-text-primary);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: -1;
}

.btn:hover::before {
    transform: translateX(100%);
}

.btn:hover {
    color: var(--color-bg);
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-bg);
    border-color: var(--color-accent);
}

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

/* ================= PRODUCT GRID ================= */
.products-section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 3rem 2rem;
}

.product-card {
    position: relative;
    cursor: pointer;
}

.product-image-wrap {
    position: relative;
    aspect-ratio: 3/4;
    background: var(--color-surface);
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform var(--transition-smooth);
}

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

.product-badges {
    position: absolute;
    top: 1rem;
    left: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    z-index: 2;
}

.badge {
    padding: 0.25rem 0.75rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    background: var(--color-bg);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.badge-sold-out {
    background: var(--color-error);
    border-color: var(--color-error);
}

.product-actions {
    position: absolute;
    bottom: -50px;
    left: 0;
    width: 100%;
    display: flex;
    background: rgba(10, 10, 12, 0.9);
    backdrop-filter: blur(4px);
    transition: bottom var(--transition-smooth);
}

.product-card:hover .product-actions {
    bottom: 0;
}

.add-to-cart-btn {
    flex: 1;
    padding: 1rem;
    color: var(--color-text-primary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    background: transparent;
    border: none;
}

.add-to-cart-btn:hover {
    background: var(--color-text-primary);
    color: var(--color-bg);
}

.add-to-cart-btn:disabled {
    cursor: not-allowed;
    color: var(--color-text-tertiary);
}

.add-to-cart-btn:disabled:hover {
    background: transparent;
}

.product-info {
    text-align: center;
}

.product-category {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.product-title {
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
}

.product-price {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    color: var(--color-accent);
}

/* ================= EDITORIAL ================= */
.editorial-section {
    padding: 6rem 0;
    background: var(--color-surface);
}

.editorial-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, 300px);
    gap: 2rem;
}

.editorial-card {
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.editorial-card.tall {
    grid-column: span 2;
    grid-row: span 2;
}

.editorial-card.wide {
    grid-column: span 2;
    grid-row: span 1;
}

.editorial-card.square {
    grid-column: span 2;
    grid-row: span 1;
}

.editorial-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-smooth);
    filter: brightness(0.7) grayscale(0.2);
}

.editorial-card:hover .editorial-img {
    transform: scale(1.05);
    filter: brightness(0.9) grayscale(0);
}

.editorial-overlay {
    position: absolute;
    inset: 0;
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 60%);
}

.editorial-overlay h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.editorial-overlay p {
    color: var(--color-text-secondary);
    max-width: 80%;
}

/* ================= ABOUT ================= */
.about-section {
    padding: 8rem 0;
}

.about-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1400px;
    margin: 0 auto;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image::before {
    content: '';
    position: absolute;
    top: -2rem;
    left: -2rem;
    width: 50%;
    height: 50%;
    border-top: 2px solid var(--color-accent);
    border-left: 2px solid var(--color-accent);
    z-index: -1;
}

.about-image img {
    aspect-ratio: 4/5;
    object-fit: cover;
    border: 1px solid var(--color-border);
}

.about-content {
    padding: 0 4rem;
}

.about-stats {
    display: flex;
    gap: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-tertiary);
}

/* ================= FOOTER ================= */
.site-footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding-top: 5rem;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    padding-bottom: 4rem;
}

.footer-links {
    display: flex;
    gap: 5rem;
}

.link-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.link-group h4 {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    color: var(--color-text-primary);
}

.link-group a {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

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

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding: 1.5rem 0;
}

.footer-socials {
    display: flex;
    gap: 1.5rem;
}

.footer-socials a {
    color: var(--color-text-tertiary);
    font-size: 1.2rem;
}

.footer-socials a:hover {
    color: var(--color-text-primary);
}

/* ================= MODAL ================= */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background: var(--color-surface);
    width: 90%;
    max-width: 900px;
    max-height: 90vh;
    overflow-y: auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    position: relative;
    transform: translateY(20px);
    transition: transform var(--transition-smooth);
    border: 1px solid var(--color-border);
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 1.5rem;
    color: var(--color-text-secondary);
    z-index: 10;
    background: rgba(10, 10, 12, 0.5);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    color: var(--color-text-primary);
}

.modal-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: #1a1a1c;
}

.modal-details {
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.modal-title {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.modal-price {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--color-accent);
    margin-bottom: 2rem;
}

.modal-desc {
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
}

.modal-meta {
    font-size: 0.85rem;
    color: var(--color-text-tertiary);
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--color-border);
}

.modal-meta span {
    display: block;
    margin-bottom: 0.5rem;
}

/* ================= ADMIN SPECIFIC ================= */
.admin-layout {
    display: grid;
    grid-template-columns: 250px 1fr;
    min-height: 100vh;
}

.admin-sidebar {
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    padding: 2rem;
}

.admin-logo {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    color: var(--color-accent);
    margin-bottom: 3rem;
    display: block;
}

.admin-nav {
    list-style: none;
}

.admin-nav li {
    margin-bottom: 1rem;
}

.admin-nav a {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    padding: 0.5rem 0;
}

.admin-nav a:hover,
.admin-nav a.active {
    color: var(--color-text-primary);
}

.admin-main {
    padding: 3rem;
    overflow-y: auto;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
}

.admin-title {
    font-family: var(--font-sans);
    font-size: 1.5rem;
    font-weight: 500;
}

/* Admin Tabs */
.admin-tab {
    display: none;
    animation: fadeIn var(--transition-smooth);
}

.admin-tab.active {
    display: block;
}

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

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

/* Admin Analytics */
.chart-placeholder {
    width: 100%;
    height: 300px;
    background: linear-gradient(to top right, rgba(0, 0, 0, 0.3) 0%, transparent 100%);
    border: 1px dashed var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-tertiary);
    border-radius: 4px;
    margin-bottom: 2rem;
}

/* Admin Cards / Forms */
.dashboard-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.card-title {
    font-family: var(--font-sans);
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
}

.form-group {
    margin-bottom: 1.5rem;
}

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

label {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
}

input,
select,
textarea {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    padding: 0.75rem 1rem;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: border-color var(--transition-fast);
}

/* Hide number spinners */
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    appearance: none;
    margin: 0;
}

input[type=number] {
    -moz-appearance: textfield;
    appearance: textfield;
}

#quickStockVal {
    font-weight: 600;
    min-width: 80px;
    height: 48px;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

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

.data-table th,
.data-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.data-table th {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-secondary);
    font-weight: 400;
}

.data-table td {
    font-size: 0.9rem;
}

.product-cell {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.product-cell-img {
    width: 40px;
    height: 50px;
    object-fit: cover;
    background: #000;
}

.action-btn {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    padding: 0.25rem;
}

.action-btn:hover {
    color: var(--color-accent);
}

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

/* Admin Modal */
#product-modal .modal-content {
    grid-template-columns: 1fr;
    max-width: 600px;
    padding: 2rem;
}

#product-modal .modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

#product-modal .modal-title {
    font-family: var(--font-sans);
    font-size: 1.5rem;
    margin: 0;
}

.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    padding: 1rem 1.5rem;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 1rem;
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: 1000;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast-success {
    border-left: 4px solid var(--color-success);
}

.toast-error {
    border-left: 4px solid var(--color-error);
}

/* Responsive */
@media (max-width: 1024px) {
    .editorial-grid {
        grid-template-columns: 1fr 1fr;
    }

    .about-split {
        grid-template-columns: 1fr;
        padding: 0 2rem;
    }

    .about-content {
        padding: 0;
    }
}

@media (max-width: 768px) {
    .modal-content {
        grid-template-columns: 1fr;
    }

    .modal-image {
        height: 300px;
    }

    .admin-layout {
        grid-template-columns: 1fr;
    }

    .admin-sidebar {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 1rem 2rem;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
    }

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

    .admin-nav li {
        margin: 0;
    }

    .admin-logo {
        margin: 0;
    }

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