/* ============================================
   Simon McIlwaine Art - Design System
   ============================================ */

/* --- CSS Custom Properties (Light Mode Default) --- */
:root {
    --color-bg: #FFFFFF;
    --color-bg-alt: #F5F5F3;
    --color-bg-elevated: #FFFFFF;
    --color-surface: #FAFAF8;
    --color-text: #1A1A1A;
    --color-text-secondary: #555555;
    --color-text-muted: #888888;
    --color-accent: #C4A35A;
    --color-accent-hover: #B08D3E;
    --color-accent-light: rgba(196, 163, 90, 0.12);
    --color-border: #E0E0E0;
    --color-border-light: #F0F0F0;
    --color-error: #C0392B;
    --color-success: #27AE60;
    --color-warning: #F39C12;
    --color-overlay: rgba(0, 0, 0, 0.6);
    --color-card-shadow: rgba(0, 0, 0, 0.06);
    --color-focus: #C4A35A;

    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;

    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-4xl: 2.5rem;
    --text-5xl: 3.5rem;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    --shadow-sm: 0 1px 3px var(--color-card-shadow);
    --shadow-md: 0 4px 12px var(--color-card-shadow);
    --shadow-lg: 0 8px 24px var(--color-card-shadow);
    --shadow-xl: 0 16px 48px var(--color-card-shadow);

    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;

    --max-width: 1200px;
    --max-width-narrow: 800px;
    --nav-height: 72px;
    --admin-sidebar-width: 260px;
}

/* --- Dark Mode --- */
@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #0A0A0A;
        --color-bg-alt: #111111;
        --color-bg-elevated: #1A1A1A;
        --color-surface: #141414;
        --color-text: #F0F0F0;
        --color-text-secondary: #B0B0B0;
        --color-text-muted: #777777;
        --color-border: #2A2A2A;
        --color-border-light: #1E1E1E;
        --color-overlay: rgba(0, 0, 0, 0.8);
        --color-card-shadow: rgba(0, 0, 0, 0.3);
    }
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

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

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

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
    outline: 3px solid var(--color-focus);
    outline-offset: 2px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }

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

ul, ol {
    list-style: none;
}

/* --- Skip Link --- */
.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-accent);
    color: #000;
    font-weight: 600;
    z-index: 10000;
    border-radius: var(--radius-sm);
}

.skip-link:focus {
    top: var(--space-md);
}

/* --- Container --- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: var(--space-lg);
}

.container--narrow {
    max-width: var(--max-width-narrow);
}

/* --- Navigation --- */
.nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    height: var(--nav-height);
    display: flex;
    align-items: center;
    backdrop-filter: blur(8px);
}

.nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: var(--space-lg);
}

.nav__brand {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: 0.02em;
}

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

.nav__links {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
}

.nav__link {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: var(--space-xs) 0;
    position: relative;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.nav__link:hover,
.nav__link--active {
    color: var(--color-text);
}

.nav__link--active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-accent);
}

.nav__cart {
    position: relative;
    padding: var(--space-xs);
}

.nav__cart-count {
    position: absolute;
    top: -4px;
    right: -8px;
    background: var(--color-accent);
    color: #000;
    font-size: 0.65rem;
    font-weight: 700;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
}

.nav__toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: transform var(--transition-fast);
}

@media (max-width: 768px) {
    .nav__toggle {
        display: flex;
    }
    .nav__links {
        display: none;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        flex-direction: column;
        padding: var(--space-lg);
        gap: var(--space-md);
    }
    .nav__links--open {
        display: flex;
    }
}

/* --- Hero Section --- */
.hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    z-index: 0;
}

.hero__bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--color-overlay);
}

.hero__content {
    position: relative;
    z-index: 1;
    color: #F0F0F0;
    padding: var(--space-2xl);
}

.hero__title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-family: var(--font-heading);
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: #FFFFFF;
}

.hero__subtitle {
    font-size: clamp(1rem, 2vw, 1.5rem);
    font-weight: 300;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: var(--space-xl);
    color: rgba(255, 255, 255, 0.85);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-xl);
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    text-decoration: none;
    min-height: 44px;
}

.btn--primary {
    background: var(--color-accent);
    color: #000;
}

.btn--primary:hover {
    background: var(--color-accent-hover);
    color: #000;
}

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

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

.btn--outline-light {
    background: transparent;
    color: #FFFFFF;
    border: 2px solid #FFFFFF;
}

.btn--outline-light:hover {
    background: #FFFFFF;
    color: #000;
}

.btn--danger {
    background: var(--color-error);
    color: #FFFFFF;
}

.btn--danger:hover {
    opacity: 0.9;
}

.btn--sm {
    padding: var(--space-xs) var(--space-md);
    font-size: var(--text-xs);
    min-height: 36px;
}

.btn--lg {
    padding: var(--space-md) var(--space-2xl);
    font-size: var(--text-base);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* --- Section --- */
.section {
    padding-block: var(--space-4xl);
}

.section--alt {
    background: var(--color-bg-alt);
}

.section__header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section__title {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-sm);
}

.section__subtitle {
    color: var(--color-text-secondary);
    font-size: var(--text-lg);
}

/* --- Product Grid --- */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.product-card {
    background: var(--color-bg-elevated);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border-light);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.product-card__image {
    aspect-ratio: 1;
    overflow: hidden;
}

.product-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.product-card__body {
    padding: var(--space-lg);
}

.product-card__title {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    margin-bottom: var(--space-xs);
}

.product-card__title a {
    color: var(--color-text);
    text-decoration: none;
}

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

.product-card__category {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.product-card__price {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-accent);
}

/* --- Blog Card --- */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--space-xl);
}

.blog-card {
    background: var(--color-bg-elevated);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border-light);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.blog-card__image {
    aspect-ratio: 16/9;
    overflow: hidden;
}

.blog-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-card__body {
    padding: var(--space-lg);
}

.blog-card__date {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-sm);
}

.blog-card__title {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    margin-bottom: var(--space-sm);
}

.blog-card__title a {
    color: var(--color-text);
    text-decoration: none;
}

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

.blog-card__excerpt {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    line-height: 1.6;
}

/* --- Exhibition Card --- */
.exhibition-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--space-xl);
}

.exhibition-card {
    background: var(--color-bg-elevated);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border-light);
    transition: transform var(--transition-base);
}

.exhibition-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.exhibition-card__image {
    aspect-ratio: 16/10;
    overflow: hidden;
}

.exhibition-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.exhibition-card__body {
    padding: var(--space-lg);
}

.exhibition-card__title {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    margin-bottom: var(--space-xs);
}

.exhibition-card__venue {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    margin-bottom: var(--space-xs);
}

.exhibition-card__dates {
    font-size: var(--text-sm);
    color: var(--color-accent);
}

/* --- Gallery / Lightbox --- */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--space-sm);
}

.gallery__item {
    aspect-ratio: 1;
    overflow: hidden;
    cursor: pointer;
    border-radius: var(--radius-sm);
}

.gallery__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery__item:hover img {
    transform: scale(1.08);
}

.lightbox {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--color-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
}

.lightbox__image {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.lightbox__close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    color: #FFFFFF;
    font-size: var(--text-2xl);
    background: none;
    border: none;
    cursor: pointer;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: #FFFFFF;
    font-size: var(--text-2xl);
    background: rgba(0, 0, 0, 0.4);
    border: none;
    cursor: pointer;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox__nav--prev { left: var(--space-lg); }
.lightbox__nav--next { right: var(--space-lg); }

/* --- Forms --- */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: var(--color-text);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    font-family: var(--font-body);
    font-size: var(--text-base);
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast);
    min-height: 44px;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    border-color: var(--color-accent);
    outline: none;
    box-shadow: 0 0 0 3px var(--color-accent-light);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-error {
    color: var(--color-error);
    font-size: var(--text-sm);
    margin-top: var(--space-xs);
}

/* --- Cart --- */
.cart-drawer {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(420px, 90vw);
    background: var(--color-bg);
    z-index: 2000;
    box-shadow: var(--shadow-xl);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    display: flex;
    flex-direction: column;
}

.cart-drawer--open {
    transform: translateX(0);
}

.cart-drawer__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}

.cart-drawer__items {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-lg);
}

.cart-drawer__footer {
    padding: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.cart-item {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.cart-item__image {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    flex-shrink: 0;
}

.cart-item__details {
    flex: 1;
}

.cart-item__title {
    font-weight: 600;
    font-size: var(--text-sm);
    margin-bottom: var(--space-xs);
}

.cart-item__price {
    color: var(--color-accent);
    font-weight: 600;
}

.cart-item__quantity {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-xs);
}

.cart-item__quantity button {
    width: 28px;
    height: 28px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-sm);
    background: var(--color-bg);
    color: var(--color-text);
}

/* --- Filter Sidebar --- */
.filter-sidebar {
    padding: var(--space-lg);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
}

.filter-section {
    margin-bottom: var(--space-xl);
}

.filter-section__title {
    font-size: var(--text-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

.filter-option {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) 0;
    cursor: pointer;
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.filter-option:hover,
.filter-option--active {
    color: var(--color-text);
}

/* --- Shop Layout --- */
.shop-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: var(--space-2xl);
    align-items: start;
}

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

/* --- Product Detail --- */
.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

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

.product-detail__images {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.product-detail__main-image {
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
}

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

.product-detail__thumbnails {
    display: flex;
    gap: var(--space-sm);
}

.product-detail__thumbnail {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color var(--transition-fast);
}

.product-detail__thumbnail--active,
.product-detail__thumbnail:hover {
    border-color: var(--color-accent);
}

.product-detail__thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-detail__info {
    padding-top: var(--space-md);
}

.product-detail__title {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-sm);
}

.product-detail__price {
    font-size: var(--text-2xl);
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.product-detail__description {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-xl);
}

.product-detail__variants {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.variant-btn {
    padding: var(--space-sm) var(--space-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    font-weight: 500;
    background: var(--color-bg);
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.variant-btn:hover,
.variant-btn--active {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* --- Blog Post --- */
.blog-post {
    max-width: var(--max-width-narrow);
    margin-inline: auto;
}

.blog-post__header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.blog-post__title {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-md);
}

.blog-post__meta {
    color: var(--color-text-muted);
    font-size: var(--text-sm);
}

.blog-post__cover {
    aspect-ratio: 2/1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--space-3xl);
}

.blog-post__cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-post__content {
    font-size: var(--text-lg);
    line-height: 1.8;
    color: var(--color-text-secondary);
}

.blog-post__content h2 {
    margin-top: var(--space-3xl);
    margin-bottom: var(--space-lg);
    font-size: var(--text-3xl);
}

.blog-post__content h3 {
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-md);
    font-size: var(--text-2xl);
}

.blog-post__content p {
    margin-bottom: var(--space-lg);
}

.blog-post__content img {
    border-radius: var(--radius-md);
    margin-block: var(--space-xl);
}

/* --- Tags --- */
.tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.tag {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    font-size: var(--text-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid var(--color-border);
    border-radius: 9999px;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.tag:hover,
.tag--active {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: var(--color-accent-light);
}

/* --- Footer --- */
.footer {
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding-block: var(--space-3xl);
}

.footer__inner {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-2xl);
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: var(--space-lg);
}

.footer__section h4 {
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

.footer__section a,
.footer__section p {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    line-height: 2;
    text-decoration: none;
    display: block;
}

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

.footer__bottom {
    text-align: center;
    padding-top: var(--space-2xl);
    margin-top: var(--space-2xl);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: var(--text-sm);
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: var(--space-lg);
}

/* --- Admin Layout --- */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: var(--admin-sidebar-width);
    background: var(--color-bg-alt);
    border-right: 1px solid var(--color-border);
    padding: var(--space-lg);
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    flex-shrink: 0;
}

.admin-sidebar__title {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-border);
}

.admin-sidebar__link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    border-radius: var(--radius-sm);
    margin-bottom: 2px;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.admin-sidebar__link:hover {
    background: var(--color-accent-light);
    color: var(--color-text);
}

.admin-sidebar__link--active {
    background: var(--color-accent-light);
    color: var(--color-accent);
    font-weight: 600;
}

.admin-content {
    flex: 1;
    padding: var(--space-2xl);
    max-width: calc(100% - var(--admin-sidebar-width));
}

.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-2xl);
}

.admin-header__title {
    font-size: var(--text-3xl);
}

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

.admin-table th,
.admin-table td {
    padding: var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border-light);
    font-size: var(--text-sm);
}

.admin-table th {
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: var(--text-xs);
}

.admin-table tr:hover td {
    background: var(--color-bg-alt);
}

/* --- Admin Stats --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.stat-card {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
}

.stat-card__label {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xs);
}

.stat-card__value {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-text);
}

/* --- Admin Badge --- */
.badge {
    display: inline-block;
    padding: 2px var(--space-sm);
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge--success { background: rgba(39, 174, 96, 0.15); color: var(--color-success); }
.badge--warning { background: rgba(243, 156, 18, 0.15); color: var(--color-warning); }
.badge--error { background: rgba(192, 57, 43, 0.15); color: var(--color-error); }
.badge--info { background: var(--color-accent-light); color: var(--color-accent); }

/* --- Toast Notifications --- */
.toast-container {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    z-index: 5000;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.toast {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    font-size: var(--text-sm);
    max-width: 360px;
    animation: slideIn var(--transition-base) ease-out;
}

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

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* --- Loading Spinner --- */
.spinner {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner--lg {
    width: 48px;
    height: 48px;
    border-width: 4px;
}

.loading-overlay {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4xl);
}

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

/* --- Confirm Dialog --- */
.dialog-overlay {
    position: fixed;
    inset: 0;
    background: var(--color-overlay);
    z-index: 8000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
}

.dialog {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    max-width: 480px;
    width: 100%;
    box-shadow: var(--shadow-xl);
}

.dialog__title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-md);
}

.dialog__message {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
}

.dialog__actions {
    display: flex;
    gap: var(--space-md);
    justify-content: flex-end;
}

/* --- Pagination --- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    margin-top: var(--space-2xl);
}

.pagination__btn {
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    background: var(--color-bg);
    transition: all var(--transition-fast);
}

.pagination__btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.pagination__btn--active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #000;
    font-weight: 600;
}

/* --- Instagram Grid --- */
.instagram-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--space-sm);
}

.instagram-grid__item {
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: var(--radius-sm);
}

.instagram-grid__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.instagram-grid__item:hover img {
    transform: scale(1.05);
}

/* --- Contact Page --- */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
}

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

/* --- About Page --- */
.about-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

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

.about-layout__image {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.about-layout__image img {
    width: 100%;
    height: auto;
}

.about-layout__content {
    font-size: var(--text-lg);
    line-height: 1.8;
    color: var(--color-text-secondary);
}

/* --- Media Library --- */
.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--space-md);
}

.media-item {
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    transition: border-color var(--transition-fast);
    position: relative;
}

.media-item:hover,
.media-item--selected {
    border-color: var(--color-accent);
}

.media-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* --- Image Uploader --- */
.image-uploader {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-3xl);
    text-align: center;
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.image-uploader:hover {
    border-color: var(--color-accent);
}

.image-uploader__text {
    color: var(--color-text-muted);
    font-size: var(--text-sm);
}

/* --- Rich Text Editor --- */
.rich-editor {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.rich-editor__toolbar {
    display: flex;
    gap: 2px;
    padding: var(--space-sm);
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    flex-wrap: wrap;
}

.rich-editor__toolbar button {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.rich-editor__toolbar button:hover {
    background: var(--color-accent-light);
    color: var(--color-text);
}

.rich-editor__content {
    min-height: 300px;
    padding: var(--space-lg);
    outline: none;
    font-size: var(--text-base);
    line-height: 1.6;
}

/* --- Utility Classes --- */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.text-center { text-align: center; }
.text-accent { color: var(--color-accent); }
.text-muted { color: var(--color-text-muted); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

/* --- Blazor framework overrides --- */
.valid.modified:not([type=checkbox]) {
    outline: 1px solid var(--color-success);
}

.invalid {
    outline: 1px solid var(--color-error);
}

.validation-message {
    color: var(--color-error);
    font-size: var(--text-sm);
}

#blazor-error-ui {
    background: var(--color-bg-elevated);
    color: var(--color-text);
    bottom: 0;
    box-shadow: var(--shadow-lg);
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 0.75rem;
    top: 0.5rem;
}

.blazor-error-boundary {
    background: var(--color-error);
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

.blazor-error-boundary::after {
    content: "An error has occurred.";
}

/* --- Loading progress (Blazor) --- */
.loading-progress {
    position: absolute;
    display: block;
    width: 8rem;
    height: 8rem;
    inset: 20vh 0 auto 0;
    margin: 0 auto;
}

.loading-progress circle {
    fill: none;
    stroke: var(--color-border);
    stroke-width: 0.6rem;
    transform-origin: 50% 50%;
    transform: rotate(-90deg);
}

.loading-progress circle:last-child {
    stroke: var(--color-accent);
    stroke-dasharray: calc(3.141 * var(--blazor-load-percentage, 0%) * 0.8), 500%;
    transition: stroke-dasharray 0.05s ease-in-out;
}

.loading-progress-text {
    position: absolute;
    text-align: center;
    font-weight: bold;
    inset: calc(20vh + 3.25rem) 0 auto 0.2rem;
}

.loading-progress-text::after {
    content: var(--blazor-load-percentage-text, "Loading");
}