/* Belyash Sites - Черно-белый стиль */

/* Переменные */
:root {
    --black: #000000;
    --white: #ffffff;
    --gray-dark: #1a1a1a;
    --gray-medium: #333333;
    --gray-light: #666666;
    --gray-lighter: #999999;
    --gray-lightest: #cccccc;
    --transition: all 0.3s ease;
}

/* Сброс стилей */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Основные стили */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--black);
    color: var(--white);
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Фон со звездочками */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(2px 2px at 20px 30px, white, transparent),
        radial-gradient(2px 2px at 40px 70px, white, transparent),
        radial-gradient(1px 1px at 90px 40px, white, transparent),
        radial-gradient(2px 2px at 160px 120px, white, transparent),
        radial-gradient(1px 1px at 230px 80px, white, transparent),
        radial-gradient(2px 2px at 300px 150px, white, transparent),
        radial-gradient(1px 1px at 370px 60px, white, transparent),
        radial-gradient(2px 2px at 440px 200px, white, transparent),
        radial-gradient(1px 1px at 510px 100px, white, transparent),
        radial-gradient(2px 2px at 580px 180px, white, transparent),
        radial-gradient(1px 1px at 650px 50px, white, transparent),
        radial-gradient(2px 2px at 720px 220px, white, transparent),
        radial-gradient(1px 1px at 790px 130px, white, transparent),
        radial-gradient(2px 2px at 860px 90px, white, transparent),
        radial-gradient(1px 1px at 930px 250px, white, transparent),
        radial-gradient(2px 2px at 1000px 170px, white, transparent),
        radial-gradient(1px 1px at 1070px 300px, white, transparent),
        radial-gradient(2px 2px at 1140px 110px, white, transparent),
        radial-gradient(1px 1px at 1210px 280px, white, transparent),
        radial-gradient(2px 2px at 1280px 190px, white, transparent);
    background-repeat: repeat;
    background-size: 1300px 350px;
    animation: twinkle 4s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
    opacity: 0.6;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 0.9; }
}

/* Контейнер */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Шапка */
header {
    background: linear-gradient(180deg, var(--gray-dark) 0%, var(--black) 100%);
    padding: 20px 0;
    border-bottom: 2px solid var(--gray-medium);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 2rem;
    font-weight: bold;
    color: var(--white);
    text-decoration: none;
    letter-spacing: 2px;
    transition: var(--transition);
}

.logo:hover {
    color: var(--gray-lightest);
    text-shadow: 0 0 10px var(--white);
}

.logo span {
    color: var(--gray-lighter);
}

/* Навигация */
nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

nav a {
    color: var(--white);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    padding: 10px 20px;
    border: 2px solid transparent;
    transition: var(--transition);
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
    transform: translateX(-50%);
}

nav a:hover::after {
    width: 100%;
}

nav a:hover {
    color: var(--gray-lightest);
}

/* Герой секция */
.hero {
    background: linear-gradient(135deg, var(--gray-dark) 0%, var(--black) 50%, var(--gray-dark) 100%);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></svg>');
    background-size: 50px 50px;
    animation: moveStars 20s linear infinite;
}

@keyframes moveStars {
    from { transform: translateY(0); }
    to { transform: translateY(-50px); }
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
    text-shadow: 0 0 20px var(--white);
}

.hero p {
    font-size: 1.3rem;
    color: var(--gray-lighter);
    margin-bottom: 40px;
    position: relative;
    z-index: 1;
}

/* Кнопки */
.btn {
    display: inline-block;
    padding: 15px 40px;
    background: var(--white);
    color: var(--black);
    text-decoration: none;
    font-weight: bold;
    font-size: 1rem;
    border: 2px solid var(--white);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    z-index: 1;
}

.btn:hover {
    background: transparent;
    color: var(--white);
    box-shadow: 0 0 20px var(--white);
}

.btn-outline {
    background: transparent;
    color: var(--white);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--black);
}

/* Секции */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 100px;
    height: 3px;
    background: var(--white);
    margin: 20px auto 0;
}

/* Карточки товаров */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.product-card {
    background: var(--gray-dark);
    border: 2px solid var(--gray-medium);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    border-color: var(--white);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255,255,255,0.1);
}

.product-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.product-placeholder {
    width: 100%;
    height: 200px;
    background: var(--gray-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
}

.product-info {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--white);
}

.product-card p {
    color: var(--gray-lighter);
    margin-bottom: 15px;
    line-height: 1.6;
    flex: 1;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.product-card .price {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--white);
}

.product-card .category {
    font-size: 0.8rem;
    color: var(--gray-lighter);
    background: var(--gray-medium);
    padding: 4px 10px;
    border-radius: 10px;
}

.product-actions {
    display: flex;
    gap: 10px;
}

.product-actions .btn {
    flex: 1;
    text-align: center;
    padding: 10px 15px;
    font-size: 0.9rem;
}

/* Новости */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.news-card {
    background: var(--gray-dark);
    border: 2px solid var(--gray-medium);
    padding: 30px;
    transition: var(--transition);
}

.news-card:hover {
    border-color: var(--white);
    transform: scale(1.02);
}

.news-card .date {
    color: var(--gray-lighter);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.news-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--white);
}

.news-card p {
    color: var(--gray-lighter);
    line-height: 1.8;
}

/* Категории */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.category-card {
    background: var(--gray-dark);
    border: 2px solid var(--gray-medium);
    padding: 30px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

.category-card:hover {
    border-color: var(--white);
    background: var(--gray-medium);
}

.category-card h3 {
    font-size: 1.2rem;
    color: var(--white);
}

/* Формы */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--white);
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    background: var(--gray-dark);
    border: 2px solid var(--gray-medium);
    color: var(--white);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--white);
    box-shadow: 0 0 10px rgba(255,255,255,0.2);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

/* Админка */
.admin-container {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: 250px;
    background: var(--gray-dark);
    border-right: 2px solid var(--gray-medium);
    padding: 20px;
}

.admin-sidebar h2 {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: var(--white);
    text-align: center;
}

.admin-sidebar ul {
    list-style: none;
}

.admin-sidebar li {
    margin-bottom: 10px;
}

.admin-sidebar a {
    display: block;
    padding: 12px 15px;
    color: var(--gray-lighter);
    text-decoration: none;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.admin-sidebar a:hover,
.admin-sidebar a.active {
    background: var(--gray-medium);
    color: var(--white);
    border-left-color: var(--white);
}

.admin-content {
    flex: 1;
    padding: 30px;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--gray-medium);
}

.admin-header h1 {
    font-size: 2rem;
    color: var(--white);
}

/* Таблицы */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--gray-dark);
}

th, td {
    padding: 15px;
    text-align: left;
    border-bottom: 2px solid var(--gray-medium);
}

th {
    background: var(--gray-medium);
    color: var(--white);
    font-weight: 600;
}

td {
    color: var(--gray-lighter);
}

tr:hover {
    background: var(--gray-medium);
}

/* Действия в таблице */
.actions {
    display: flex;
    gap: 10px;
}

.btn-small {
    padding: 8px 15px;
    font-size: 0.9rem;
}

.btn-danger {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-danger:hover {
    background: var(--white);
    color: var(--black);
}

/* Уведомления */
.alert {
    padding: 15px 20px;
    margin-bottom: 20px;
    border: 2px solid;
}

.alert-success {
    border-color: var(--white);
    background: rgba(255,255,255,0.1);
}

.alert-error {
    border-color: var(--gray-lighter);
    background: rgba(100,100,100,0.2);
}

/* Футер */
footer {
    background: var(--gray-dark);
    border-top: 2px solid var(--gray-medium);
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-section p,
.footer-section a {
    color: var(--gray-lighter);
    line-height: 1.8;
    text-decoration: none;
    display: block;
    margin-bottom: 10px;
}

.footer-section a:hover {
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 2px solid var(--gray-medium);
    color: var(--gray-lighter);
}

/* Модальное окно */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--gray-dark);
    border: 2px solid var(--white);
    padding: 40px;
    max-width: 500px;
    width: 90%;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 2rem;
    color: var(--white);
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--gray-lighter);
}

/* Адаптивность */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 20px;
    }
    
    nav ul {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .admin-container {
        flex-direction: column;
    }
    
    .admin-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 2px solid var(--gray-medium);
    }
    
    .products-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }
}

/* Анимации */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

/* Скроллбар */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--gray-medium);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-light);
}

/* Выделение текста */
::selection {
    background: var(--white);
    color: var(--black);
}

/* Секция статистики */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.stat-card {
    background: var(--gray-dark);
    border: 2px solid var(--gray-medium);
    padding: 40px 20px;
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--white);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255,255,255,0.1);
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    color: var(--white);
    margin-bottom: 10px;
    text-shadow: 0 0 20px rgba(255,255,255,0.5);
}

.stat-label {
    font-size: 1rem;
    color: var(--gray-lighter);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Все элементы должны быть поверх фона со звездочками */
header, section, footer, .container, .hero, .btn, .product-card, .news-card, .category-card, .stat-card {
    position: relative;
    z-index: 1;
}