/* ===== LOFT STYLE CSS ===== */

/* ===== CSS RESET ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ===== CSS VARIABLES (LOFT COLOR PALETTE) ===== */
:root {
    /* Colors */
    --color-primary: #2C2C2C;
    /* темно-серый */
    --color-secondary: #F5F5F5;
    /* светло-серый */
    --color-accent: #8B4513;
    /* коричневый/кирпичный */
    --color-text: #333333;
    /* темный текст */
    --color-text-light: #666666;
    /* светлый текст */
    --color-background: #FFFFFF;
    /* белый фон */
    --color-border: #E0E0E0;
    /* границы */
    --color-hover: #404040;
    /* hover состояния */

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 16px;
    --font-size-small: 14px;
    --font-size-large: 18px;
    --font-size-h1: 32px;
    --font-size-h2: 24px;
    --font-size-h3: 20px;

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-xxl: 64px;

    /* Layout */
    --container-max-width: 1200px;
    --border-radius: 4px;
    --box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;

    /* Breakpoints */
    --breakpoint-mobile: 768px;
    --breakpoint-tablet: 1024px;
}

/* ===== BASE STYLES ===== */
html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-background);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    /* Performance optimizations */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeSpeed;
}

/* ===== TYPOGRAPHY ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

h1 {
    font-size: var(--font-size-h1);
    font-weight: 700;
}

h2 {
    font-size: var(--font-size-h2);
}

h3 {
    font-size: var(--font-size-h3);
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

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

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

/* ===== LAYOUT COMPONENTS ===== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.main {
    flex: 1;
    padding: var(--spacing-lg) 0;
}

/* ===== HEADER & NAVIGATION ===== */
.header {
    background-color: var(--color-background);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding-left: var(--spacing-sm);
    padding-right: var(--spacing-sm);
}

.nav-logo {
    display: flex;
    flex-direction: column;
    text-decoration: none;
}

.logo-text {
    font-size: var(--font-size-h2);
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 2px;
}

.logo-subtitle {
    font-size: var(--font-size-small);
    color: var(--color-text-light);
    margin-top: -4px;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-link:hover {
    background-color: var(--color-secondary);
    color: var(--color-primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    gap: 4px;
}

.nav-toggle-line {
    width: 24px;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition);
}

/* ===== CATALOG STYLES ===== */
.catalog-header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
    padding: var(--spacing-xl) 0;
}

.catalog-header h1 {
    margin-bottom: var(--spacing-sm);
}

.catalog-header p {
    font-size: var(--font-size-large);
    color: var(--color-text-light);
}

/* ===== CATEGORIES GRID ===== */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xxl);
}

.category-card {
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--box-shadow);
    border-color: var(--color-accent);
}

.category-link {
    display: block;
    padding: var(--spacing-xl);
    text-align: center;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.category-link h2 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    text-transform: capitalize;
}

.category-link p {
    color: var(--color-text-light);
    font-size: var(--font-size-small);
}

.category-count {
    color: var(--color-accent) !important;
    font-weight: 600;
    font-size: var(--font-size-small) !important;
    margin-top: var(--spacing-sm) !important;
    margin-bottom: 0 !important;
}

/* ===== FURNITURE GRID ===== */
.category-header {
    margin-bottom: var(--spacing-xl);
}

.breadcrumb {
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-small);
    color: var(--color-text-light);
}

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

.furniture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xxl);
}

.furniture-card {
    position: relative;
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
}

.furniture-article {
    position: absolute;
    bottom: 8px;
    left: 12px;
    font-size: 12px;
    color: #888;
    background: rgba(255,255,255,0.7);
    padding: 2px 6px;
    border-radius: 4px;
}

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

.furniture-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    background-color: var(--color-secondary);
}

.furniture-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
    /* Performance optimizations */
    will-change: transform;
    backface-visibility: hidden;
}

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

.furniture-image-placeholder {
    width: 100%;
    height: 250px;
    background-color: var(--color-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    font-size: var(--font-size-small);
}

.furniture-info {
    padding: var(--spacing-md);
}

.furniture-name {
    font-size: var(--font-size-large);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary);
}

.furniture-price {
    font-size: var(--font-size-large);
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.furniture-description {
    color: var(--color-text-light);
    font-size: var(--font-size-small);
    line-height: 1.5;
}

/* ===== EMPTY STATES ===== */
.empty-state {
    text-align: center;
    padding: var(--spacing-xxl);
    color: var(--color-text-light);
}

.back-link {
    display: inline-block;
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-primary);
    color: var(--color-background);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.back-link:hover {
    background-color: var(--color-hover);
    color: var(--color-background);
}

/* ===== FLASH MESSAGES ===== */
.flash-messages {
    margin-bottom: var(--spacing-lg);
}

.flash-message {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-sm);
    border-left: 4px solid;
}

.flash-success {
    background-color: #d4edda;
    color: #155724;
    border-color: #28a745;
}

.flash-error {
    background-color: #f8d7da;
    color: #721c24;
    border-color: #dc3545;
}

.flash-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border-color: #17a2b8;
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--color-primary);
    color: var(--color-background);
    margin-top: auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    gap: var(--spacing-lg);
}

.footer-brand {
    flex: 1;
}

.footer-logo {
    font-size: var(--font-size-large);
    font-weight: 700;
    letter-spacing: 1px;
    display: block;
    margin-bottom: var(--spacing-xs);
}

.footer-description {
    color: #cccccc;
    font-size: var(--font-size-small);
    margin: 0;
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-admin-link {
    color: var(--color-background);
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--color-background);
    border-radius: var(--border-radius);
    font-size: var(--font-size-small);
    transition: var(--transition);
}

.footer-admin-link:hover {
    background-color: var(--color-background);
    color: var(--color-primary);
}

.footer-bottom {
    border-top: 1px solid #444444;
    padding: var(--spacing-md) 0;
    text-align: center;
}

.footer-bottom p {
    color: #cccccc;
    font-size: var(--font-size-small);
    margin: 0;
}

/* ===== RESPONSIVE DESIGN ===== */

/* Tablet Styles */
@media (max-width: 1024px) {
    .furniture-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: var(--spacing-md);
    }

    .categories-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--spacing-md);
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

/* Mobile Styles */
@media (max-width: 768px) {
    :root {
        --font-size-h1: 28px;
        --font-size-h2: 22px;
        --font-size-h3: 18px;
        --spacing-lg: 24px;
        --spacing-xl: 32px;
        --spacing-xxl: 48px;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-background);
        border-top: 1px solid var(--color-border);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        z-index: 99;
    }

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

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .nav-toggle-line:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active .nav-toggle-line:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .nav-toggle-line:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .catalog-header {
        padding: var(--spacing-lg) 0;
        margin-bottom: var(--spacing-xl);
    }

    .furniture-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .categories-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .category-card {
        min-height: 150px;
    }

    .furniture-image,
    .furniture-image-placeholder {
        height: 200px;
    }

    .footer-content {
        padding: var(--spacing-lg) 0;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }
}

/* Small Mobile Styles */
@media (max-width: 480px) {
    .logo-text {
        font-size: var(--font-size-large);
    }

    .catalog-header h1 {
        font-size: 24px;
    }

    .furniture-info {
        padding: var(--spacing-sm);
    }

    .category-link {
        padding: var(--spacing-lg);
    }
}

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

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mb-0 {
    margin-bottom: 0;
}

.mb-sm {
    margin-bottom: var(--spacing-sm);
}

.mb-md {
    margin-bottom: var(--spacing-md);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

.hidden {
    display: none;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ===== LOADING STATES ===== */
.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* ===== LAZY LOADING ===== */
img.lazy {
    opacity: 0.7;
    transition: opacity 0.3s ease, transform 0.3s ease;
    background-color: var(--color-secondary);
}

img.lazy.loading {
    opacity: 0.5;
    animation: pulse 1.5s ease-in-out infinite;
}

img.lazy.loaded {
    opacity: 1;
    transform: scale(1);
}

img.lazy.error {
    opacity: 0.6;
    background-color: #f8f9fa;
    border: 1px dashed #dee2e6;
}

@keyframes pulse {
    0% {
        opacity: 0.5;
    }

    50% {
        opacity: 0.8;
    }

    100% {
        opacity: 0.5;
    }
}

/* ===== FOCUS STYLES FOR ACCESSIBILITY ===== */
*:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

button:focus,
a:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* ===== PRINT STYLES ===== */
@media print {

    .header,
    .footer,
    .nav-toggle,
    .flash-messages {
        display: none;
    }

    .main {
        padding: 0;
    }

    .furniture-card,
    .category-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }

    .furniture-grid,
    .categories-grid {
        gap: var(--spacing-sm);
    }
}

/* ===== HIGH CONTRAST MODE ===== */
@media (prefers-contrast: high) {
    :root {
        --color-border: #000000;
        --color-text-light: #000000;
    }

    .furniture-card,
    .category-card {
        border-width: 2px;
    }
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* ===== DARK MODE SUPPORT (Future Enhancement) ===== */
@media (prefers-color-scheme: dark) {
    /* Dark mode styles can be added here in future tasks */
}

/* ===== ADMIN AUTHENTICATION STYLES ===== */

/* Admin Login Page */
.admin-login {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) 0;
}

.login-container {
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    box-shadow: var(--box-shadow);
    width: 100%;
    max-width: 400px;
}

.login-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-primary);
}

.login-form {
    margin-bottom: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--color-text);
}

.form-input {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: var(--transition);
}

.form-input:focus {
    border-color: var(--color-accent);
    outline: none;
    box-shadow: 0 0 0 2px rgba(139, 69, 19, 0.1);
}

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    font-weight: 500;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1.5;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-background);
    width: 100%;
}

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

.login-footer {
    text-align: center;
}

.login-footer .back-link {
    display: inline-block;
    color: var(--color-text-light);
    font-size: var(--font-size-small);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: transparent;
}

.login-footer .back-link:hover {
    color: var(--color-accent);
    background-color: transparent;
}

/* Admin Dashboard */
.admin-dashboard {
    padding: var(--spacing-lg) 0;
}

.dashboard-header {
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.dashboard-title {
    margin-bottom: var(--spacing-md);
}

.dashboard-content {
    text-align: center;
    padding: var(--spacing-xl);
    background-color: var(--color-secondary);
    border-radius: var(--border-radius);
}

.dashboard-welcome {
    font-size: var(--font-size-large);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.dashboard-description {
    color: var(--color-text-light);
    margin-bottom: 0;
}

/* Navigation Logout */
.nav-logout-form {
    margin: 0;
}

.nav-logout-btn {
    background: none;
    border: none;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-text);
    cursor: pointer;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-logout-btn:hover {
    background-color: var(--color-secondary);
    color: var(--color-primary);
}

/* Mobile Admin Styles */
@media (max-width: 768px) {
    .login-container {
        margin: 0 var(--spacing-sm);
        padding: var(--spacing-lg);
    }

    .admin-login {
        min-height: 50vh;
        padding: var(--spacing-lg) 0;
    }

    .nav-logout-form {
        width: 100%;
    }

    .nav-logout-btn {
        width: 100%;
        text-align: left;
    }
}

/* 
===== ADMIN STYLES ===== */

/* Admin Dashboard */
.admin-dashboard {
    padding: var(--spacing-lg);
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.dashboard-header {
    margin-bottom: var(--spacing-lg);
}

.dashboard-title {
    font-size: var(--font-size-h1);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.dashboard-actions {
    margin-bottom: var(--spacing-lg);
}

/* Furniture Table */
.furniture-table-container {
    overflow-x: auto;
    background: var(--color-background);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.furniture-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}

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

.furniture-table th {
    background-color: var(--color-secondary);
    font-weight: 600;
    color: var(--color-primary);
}

.furniture-table tbody tr:hover {
    background-color: #fafafa;
}

.furniture-image-cell {
    width: 80px;
}

.furniture-thumbnail {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--border-radius);
}

.no-image {
    width: 60px;
    height: 60px;
    background-color: var(--color-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-small);
    color: var(--color-text-light);
    border-radius: var(--border-radius);
}

.furniture-name {
    font-weight: 500;
    color: var(--color-text);
}

.furniture-category {
    color: var(--color-text-light);
}

.furniture-price {
    font-weight: 600;
    color: var(--color-accent);
}

.furniture-actions {
    white-space: nowrap;
}

.furniture-actions .btn {
    margin-right: var(--spacing-xs);
}

/* Admin Forms */
.admin-form-container {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

.form-header {
    margin-bottom: var(--spacing-lg);
}

.form-title {
    font-size: var(--font-size-h1);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.furniture-form {
    background: var(--color-background);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--color-text);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px rgba(139, 69, 19, 0.1);
}

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

.form-help {
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-small);
    color: var(--color-text-light);
}

.form-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

/* Current Image Preview */
.current-image {
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-sm);
    background-color: var(--color-secondary);
    border-radius: var(--border-radius);
}

.current-image-preview {
    max-width: 200px;
    max-height: 200px;
    object-fit: cover;
    border-radius: var(--border-radius);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.current-image-text {
    font-size: var(--font-size-small);
    color: var(--color-text-light);
    margin: 0;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-xxl);
    color: var(--color-text-light);
}

.empty-state p {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-large);
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: var(--color-background);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    max-width: 400px;
    width: 90%;
    text-align: center;
}

.modal-content h3 {
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.modal-content p {
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
}

.modal-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

/* Button Variants */
.btn-small {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-small);
}

.btn-danger {
    background-color: #dc3545;
    color: white;
    border: 1px solid #dc3545;
}

.btn-danger:hover {
    background-color: #c82333;
    border-color: #bd2130;
}

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

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

/* Navigation Logout Form */
.nav-logout-form {
    display: inline;
}

.nav-logout-btn {
    background: none;
    border: none;
    color: var(--color-text);
    text-decoration: none;
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    cursor: pointer;
    transition: var(--transition);
}

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

/* Image Upload Enhancements */
.image-preview {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    background-color: var(--color-secondary);
    border-radius: var(--border-radius);
    text-align: center;
}

.preview-image {
    max-width: 200px;
    max-height: 200px;
    object-fit: cover;
    border-radius: var(--border-radius);
    display: block;
    margin: 0 auto var(--spacing-xs);
}

.preview-text {
    font-size: var(--font-size-small);
    color: var(--color-text-light);
    margin: 0;
}

.drag-drop-zone {
    border: 2px dashed var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    text-align: center;
    margin-top: var(--spacing-xs);
    cursor: pointer;
    transition: var(--transition);
    background-color: var(--color-background);
}

.drag-drop-zone:hover {
    border-color: var(--color-accent);
    background-color: #fafafa;
}

.drag-drop-zone.dragover {
    border-color: var(--color-accent);
    background-color: #f9f9f9;
}

.browse-link {
    color: var(--color-accent);
    text-decoration: underline;
    cursor: pointer;
}

.file-error {
    color: #dc3545;
    font-size: var(--font-size-small);
    margin-top: var(--spacing-xs);
}

/* Image Loading States */
.furniture-image img,
.furniture-thumbnail {
    transition: opacity 0.3s ease;
}

.furniture-image img.loading,
.furniture-thumbnail.loading {
    opacity: 0.7;
}

/* Responsive Design for Admin */
@media (max-width: 768px) {

    .admin-dashboard,
    .admin-form-container {
        padding: var(--spacing-md);
    }

    .furniture-table-container {
        margin: 0 -var(--spacing-md);
    }

    .form-actions {
        flex-direction: column;
    }

    .modal-content {
        margin: var(--spacing-md);
    }

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

    .preview-image {
        max-width: 150px;
        max-height: 150px;
    }

    .drag-drop-zone {
        padding: var(--spacing-md);
    }
}

/* ====
= CATEGORY MANAGEMENT STYLES ===== */

.add-category-section {
    background: var(--color-secondary);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
}

.add-category-form {
    margin-top: var(--spacing-sm);
}

.form-group-inline {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
}

.form-group-inline .form-input {
    flex: 1;
    margin-bottom: 0;
}

.categories-table-container {
    background: var(--color-background);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

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

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

.categories-table th {
    background: var(--color-secondary);
    font-weight: 600;
    color: var(--color-text);
}

.categories-table tbody tr:hover {
    background: rgba(139, 69, 19, 0.05);
}

.category-name {
    font-weight: 500;
    color: var(--color-text);
}

.category-date {
    color: var(--color-text-light);
    font-size: var(--font-size-small);
}

.category-actions {
    text-align: right;
}

/* Enhanced category input styling */
.category-name-input {
    min-width: 300px !important;
    min-height: 40px !important;
    padding: var(--spacing-sm) var(--spacing-md) !important;
    font-size: var(--font-size-base) !important;
    border: 2px solid var(--color-border) !important;
    border-radius: var(--border-radius) !important;
    transition: all 0.3s ease !important;
    background-color: var(--color-background) !important;
}

.category-name-input:focus {
    border-color: var(--color-accent) !important;
    box-shadow: 0 0 0 3px rgba(139, 69, 19, 0.1) !important;
    outline: none !important;
}

.category-name-input.error {
    border-color: #dc3545 !important;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1) !important;
}

.category-name-input.valid {
    border-color: #28a745 !important;
    box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.1) !important;
}

/* New category input styling */
#new-category-group {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: rgba(139, 69, 19, 0.05);
    border-radius: var(--border-radius);
    border-left: 3px solid var(--color-accent);
}

/* Enhanced delete modal styles */
.delete-modal-content {
    max-width: 500px;
}

.furniture-warning {
    color: #856404;
    background-color: #fff3cd;
    border: 1px solid #ffeaa7;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    margin: var(--spacing-sm) 0;
    font-weight: 500;
}

.delete-options {
    margin: var(--spacing-md) 0;
    text-align: left;
}

.delete-option {
    display: block;
    margin-bottom: var(--spacing-sm);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--border-radius);
    transition: background-color 0.2s ease;
}

.delete-option:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.delete-option input[type="radio"] {
    margin-right: var(--spacing-xs);
}

.cascade-warning {
    color: #721c24;
    font-weight: 500;
}

.transfer-select {
    margin: var(--spacing-xs) 0 var(--spacing-sm) 24px;
}

.category-count {
    text-align: center;
}

.furniture-count {
    font-weight: 600;
    color: var(--color-accent);
}

.count-label {
    font-size: var(--font-size-small);
    color: var(--color-text-light);
    margin-left: 2px;
}

/* Responsive category management */
@media (max-width: 768px) {
    .form-group-inline {
        flex-direction: column;
    }

    .category-name-input {
        min-width: 100% !important;
        margin-bottom: var(--spacing-sm);
    }

    .categories-table {
        font-size: var(--font-size-small);
    }

    .categories-table th,
    .categories-table td {
        padding: var(--spacing-xs);
    }

    .category-actions {
        text-align: left;
    }

    .delete-modal-content {
        max-width: 90%;
        margin: var(--spacing-md);
    }

    .transfer-select {
        margin-left: 16px;
    }
}

/* ===== ERROR HANDLING STYLES ===== */

/* Form validation errors */
.field-error {
    color: #dc3545;
    font-size: 14px;
    margin-top: 4px;
    display: block;
    font-weight: 400;
}

/* Error state for form fields */
input.error,
textarea.error,
select.error {
    border-color: #dc3545 !important;
    box-shadow: 0 0 0 2px rgba(220, 53, 69, 0.1);
}

input.error:focus,
textarea.error:focus,
select.error:focus {
    border-color: #dc3545 !important;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.2);
}

/* Flash messages styling */
.flash-messages {
    margin-bottom: var(--spacing-md);
}

.flash-message {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    transition: opacity 0.3s ease;
}

.flash-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.flash-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.flash-warning {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

.flash-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* Error page styles */
.error-page {
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-xl);
}

.error-code {
    font-size: 72px;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
    line-height: 1;
}

.error-title {
    font-size: var(--font-size-h2);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.error-description {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    max-width: 500px;
    line-height: 1.6;
}

.error-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
}

.error-actions .btn {
    min-width: 120px;
}

/* Loading states */
.loading {
    opacity: 0.7;
    cursor: not-allowed;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* File upload error states */
.file-error {
    color: #dc3545;
    font-size: 14px;
    margin-top: 8px;
}

.drag-drop-zone.error {
    border-color: #dc3545;
    background-color: rgba(220, 53, 69, 0.05);
}

/* Responsive error pages */
@media (max-width: 768px) {
    .error-code {
        font-size: 48px;
    }

    .error-title {
        font-size: var(--font-size-large);
    }

    .error-actions {
        flex-direction: column;
        align-items: center;
    }

    .error-actions .btn {
        width: 100%;
        max-width: 200px;
    }
}

/* Fo
oter styles */
.footer {
    background-color: var(--color-secondary);
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-xxl);
    padding: var(--spacing-xl) 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.footer-brand {
    flex: 1;
}

.footer-logo {
    font-size: var(--font-size-large);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
    display: block;
}

.footer-description {
    color: var(--color-text-light);
    font-size: var(--font-size-small);
    margin: 0;
}

.footer-links {
    flex-shrink: 0;
}

.footer-admin-link {
    color: var(--color-text-light);
    font-size: var(--font-size-small);
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: var(--transition);
    opacity: 0.6;
}

.footer-admin-link:hover {
    color: var(--color-accent);
    background-color: rgba(139, 69, 19, 0.1);
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    color: var(--color-text-light);
    font-size: var(--font-size-small);
    margin: 0;
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
}

/* Man
ufacturing days styling */
.furniture-manufacturing {
    color: var(--color-text-light);
    font-size: var(--font-size-small);
    margin-top: var(--spacing-xs);
    font-style: italic;
}

.furniture-table .furniture-manufacturing {
    font-style: normal;
    color: var(--color-text);
}

/* Фон модалки */
.image-modal {
    display: none; 
    position: fixed; 
    z-index: 1000; 
    left: 0;
    top: 0;
    width: 100%; 
    height: 100%; 
    overflow: auto;
    background-color: rgba(0,0,0,0.9);
}

.image-modal.active {
    display: flex;
}

/* Контент модалки */

.image-modal-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 90%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.image-modal-content img {
    max-width: 100%;
    max-height: 80vh; /* ограничиваем по высоте окна */
    border-radius: 6px;
}

.image-modal img {
    max-width: 100%;
    max-height: 100%;
    border-radius: 8px;
}

.image-modal-caption {
    margin-top: 10px;
    text-align: center;
    color: #f1f1f1;
    font-size: 16px;
}

/* Кнопка закрытия */
.image-modal-close {
    position: absolute;
    top: 10px;
    right: 20px;
    color: #fff;
    font-size: 30px;
    font-weight: bold;
    cursor: pointer;
}







.image-modal-close:hover,
.image-modal-close:focus {
    color: var(--color-accent);
    text-decoration: none;
}

.image-modal-caption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
    text-align: center;
    color: #ccc;
    padding: 10px 0;
    font-size: var(--font-size-large);
    font-weight: 500;
}

/* Furniture image cursor pointer */
.furniture-image {
    cursor: pointer;
    transition: var(--transition);
}

.furniture-image:hover {
    transform: scale(1.02);
}

@media (max-width: 768px) {
    .image-modal-close {
        top: 10px;
        right: 20px;
        font-size: 30px;
    }

    .image-modal-caption {
        font-size: var(--font-size-base);
        width: 90%;
    }
}

/* Mo
bile Navigation Styles */
.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    gap: 4px;
}

.nav-toggle-bar {
    width: 25px;
    height: 3px;
    background-color: var(--color-primary);
    transition: var(--transition);
    border-radius: 2px;
}

.nav-toggle.active .nav-toggle-bar:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.nav-toggle.active .nav-toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active .nav-toggle-bar:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

@media (max-width: 768px) {
    .nav {
        position: relative;
    }

    .nav-toggle {
        display: flex;
        order: -1;
        /* Move to the beginning */
    }

    .nav-logo {
        flex: 1;
        text-align: center;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--color-background);
        border-top: 1px solid var(--color-border);
        box-shadow: var(--box-shadow);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 999;
        flex-direction: column;
        padding: var(--spacing-md) 0;
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-link {
        padding: var(--spacing-sm) var(--spacing-lg);
        border-bottom: 1px solid var(--color-border);
        width: 100%;
        text-align: left;
    }

    .nav-link:last-child {
        border-bottom: none;
    }

    .nav-logout-form {
        width: 100%;
    }

    .nav-logout-btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        width: 100%;
        text-align: left;
        border-bottom: 1px solid var(--color-border);
    }
}

/ * Category Filter Styles */ .furniture-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.category-filter {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.category-filter label {
    font-weight: 500;
    color: var(--color-text);
    white-space: nowrap;
}

.category-filter select {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    background-color: var(--color-background);
    color: var(--color-text);
    cursor: pointer;
    transition: var(--transition);
    min-width: 200px;
}

.category-filter select:focus {
    border-color: var(--color-accent);
    outline: none;
    box-shadow: 0 0 0 2px rgba(139, 69, 19, 0.1);
}

@media (max-width: 768px) {
    .furniture-list-header {
        flex-direction: column;
        align-items: stretch;
    }

    .category-filter {
        flex-direction: column;
        align-items: stretch;
    }

    .category-filter select {
        min-width: auto;
        width: 100%;
    }
}

/* New Ca
tegory Input Improvements */
#new-category-group {
    background-color: rgba(139, 69, 19, 0.05);
    border: 1px solid rgba(139, 69, 19, 0.2);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

#new_category_name {
    width: 100% !important;
    min-width: 400px !important;
    min-height: 45px !important;
    padding: var(--spacing-sm) var(--spacing-md) !important;
    font-size: var(--font-size-large) !important;
    font-weight: 500 !important;
    border: 2px solid var(--color-border) !important;
    border-radius: var(--border-radius) !important;
    background-color: var(--color-background) !important;
    color: var(--color-text) !important;
    transition: all 0.3s ease !important;
    box-sizing: border-box !important;
}

#new_category_name:focus {
    border-color: var(--color-accent) !important;
    box-shadow: 0 0 0 3px rgba(139, 69, 19, 0.1) !important;
    outline: none !important;
    background-color: #fff !important;
}

#new_category_name::placeholder {
    color: var(--color-text-light) !important;
    font-size: var(--font-size-base) !important;
    font-weight: normal !important;
}

/* Make sure the form group is visible */
#new-category-group .form-label {
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-base);
}

#new-category-group .form-help {
    margin-top: var(--spacing-xs);
    color: var(--color-text-light);
    font-size: var(--font-size-small);
    font-style: italic;
}

@media (max-width: 768px) {
    #new_category_name {
        min-width: 100% !important;
        width: 100% !important;
    }
}

/* C
ategory Input Field Improvements */
.category-name-input {
    width: 100% !important;
    min-width: 100% !important;
    min-height: 50px !important;
    padding: var(--spacing-md) var(--spacing-lg) !important;
    font-size: var(--font-size-large) !important;
    font-weight: 500 !important;
    border: 2px solid var(--color-border) !important;
    border-radius: var(--border-radius) !important;
    background-color: var(--color-background) !important;
    color: var(--color-text) !important;
    transition: all 0.3s ease !important;
    box-sizing: border-box !important;
}

.category-name-input:focus {
    border-color: var(--color-accent) !important;
    box-shadow: 0 0 0 3px rgba(139, 69, 19, 0.1) !important;
    outline: none !important;
    background-color: #fff !important;
}

.category-name-input::placeholder {
    color: var(--color-text-light) !important;
    font-size: var(--font-size-base) !important;
    font-weight: normal !important;
}

/* Form group inline for category creation */
.form-group-inline {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
    width: 100%;
}

.form-group-inline .category-name-input {
    flex: 1;
    min-width: 0;
    /* Allow shrinking */
    max-width: 80%;
    /* Limit width on desktop */
}

.form-group-inline .btn {
    flex-shrink: 0;
    white-space: nowrap;
    padding: var(--spacing-sm) var(--spacing-md);
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: auto;
    width: auto;
}

/* New category input in furniture forms */
#new-category-group {
    background-color: rgba(139, 69, 19, 0.05);
    border: 1px solid rgba(139, 69, 19, 0.2);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

#new_category_name {
    width: 100% !important;
    min-width: 100% !important;
    min-height: 50px !important;
    padding: var(--spacing-md) var(--spacing-lg) !important;
    font-size: var(--font-size-large) !important;
    font-weight: 500 !important;
    border: 2px solid var(--color-border) !important;
    border-radius: var(--border-radius) !important;
    background-color: var(--color-background) !important;
    color: var(--color-text) !important;
    transition: all 0.3s ease !important;
    box-sizing: border-box !important;
}

#new_category_name:focus {
    border-color: var(--color-accent) !important;
    box-shadow: 0 0 0 3px rgba(139, 69, 19, 0.1) !important;
    outline: none !important;
    background-color: #fff !important;
}

#new_category_name::placeholder {
    color: var(--color-text-light) !important;
    font-size: var(--font-size-base) !important;
    font-weight: normal !important;
}

@media (max-width: 768px) {
    .form-group-inline {
        flex-direction: column;
    }

    .form-group-inline .btn {
        width: 100%;
        height: 50px;
    }
}