/* Цветовая схема: синий, зеленый, красный, белый фон, черный текст */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap');

:root {
    --primary-blue: #0066cc;
    --primary-green: #28a745;
    --primary-red: #dc3545;
    --bg-white: #ffffff;
    --text-black: #000000;
    --text-gray: #333333;
    --border-gray: #dddddd;
    --hover-blue: #0052a3;
    --hover-green: #218838;
    --hover-red: #c82333;
}

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

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--bg-white);
    color: var(--text-black);
    line-height: 1.6;
}

/* Навигационное меню */
.navbar {
    background-color: var(--primary-blue) !important;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-brand {
    color: var(--bg-white) !important;
    font-weight: 700;
    font-size: 1.5rem;
}

.navbar-nav .nav-link {
    color: var(--bg-white) !important;
    margin: 0 10px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--primary-green) !important;
    transform: translateY(-2px);
}

/* Формы */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-green) 100%);
}

.login-card {
    background: var(--bg-white);
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    padding: 40px;
    max-width: 400px;
    width: 100%;
}

.login-card h2 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--primary-blue);
    font-weight: 700;
}

.form-control {
    border: 2px solid var(--border-gray);
    border-radius: 5px;
    padding: 12px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 0.2rem rgba(0, 102, 204, 0.25);
}

/* Кнопки */
.btn-primary {
    background-color: var(--primary-blue);
    border-color: var(--primary-blue);
    font-weight: 500;
    padding: 10px 20px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--hover-blue);
    border-color: var(--hover-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.btn-success {
    background-color: var(--primary-green);
    border-color: var(--primary-green);
    font-weight: 500;
}

.btn-success:hover {
    background-color: var(--hover-green);
    border-color: var(--hover-green);
}

.btn-danger {
    background-color: var(--primary-red);
    border-color: var(--primary-red);
    font-weight: 500;
}

.btn-danger:hover {
    background-color: var(--hover-red);
    border-color: var(--hover-red);
}

/* Контейнер основного контента */
.main-container {
    padding: 30px 0;
    min-height: calc(100vh - 56px);
}

.page-title {
    color: var(--primary-blue);
    margin-bottom: 30px;
    font-weight: 700;
    border-bottom: 3px solid var(--primary-green);
    padding-bottom: 10px;
}

/* Таблицы */
.table {
    background: var(--bg-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.table thead {
    background-color: var(--primary-blue);
    color: var(--bg-white);
}

.table thead th {
    border: none;
    font-weight: 600;
    padding: 15px;
}

.table tbody tr {
    transition: background-color 0.2s ease;
}

.table tbody tr:hover {
    background-color: #f8f9fa;
}

/* Карточки товаров */
.product-card {
    background: var(--bg-white);
    border: 2px solid var(--border-gray);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.product-card:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    transform: translateY(-5px);
}

.product-image {
    max-width: 200px;
    height: auto;
    border-radius: 8px;
    border: 1px solid var(--border-gray);
}

.product-info {
    padding-left: 20px;
}

.product-title {
    color: var(--primary-blue);
    font-weight: 600;
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.product-sku {
    color: var(--text-gray);
    font-weight: 500;
    margin-bottom: 10px;
}

.product-link {
    color: var(--primary-green);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.product-link:hover {
    color: var(--hover-green);
    text-decoration: underline;
}

/* Прогресс бар */
.progress {
    height: 30px;
    border-radius: 15px;
    background-color: #e9ecef;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

.progress-bar {
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-green));
    font-weight: 600;
    line-height: 30px;
    transition: width 0.3s ease;
}

/* Алерты */
.alert {
    border-radius: 8px;
    padding: 15px 20px;
    font-weight: 500;
}

.alert-success {
    background-color: #d4edda;
    border-color: var(--primary-green);
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    border-color: var(--primary-red);
    color: #721c24;
}

.alert-info {
    background-color: #d1ecf1;
    border-color: var(--primary-blue);
    color: #0c5460;
}

/* Поисковая форма */
.search-container {
    background: var(--bg-white);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

.search-input-group {
    position: relative;
}

.search-input-group .form-control {
    padding-right: 120px;
}

.search-hint {
    font-size: 0.9rem;
    color: var(--text-gray);
    margin-top: 8px;
    font-style: italic;
}

/* Адаптивность */
@media (max-width: 768px) {
    .product-card {
        flex-direction: column;
    }
    
    .product-info {
        padding-left: 0;
        padding-top: 15px;
    }
    
    .product-image {
        margin: 0 auto;
    }
    
    .login-card {
        margin: 20px;
    }
}

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

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

/* Спиннер загрузки */
.spinner-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px;
}

.spinner-border {
    width: 3rem;
    height: 3rem;
    border-width: 0.3rem;
    color: var(--primary-blue);
}