/* Основные стили */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --border-radius: 8px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
}

/* Заголовок */
header {
    background: linear-gradient(90deg, var(--primary-color), #34495e);
    color: white;
    padding: 30px;
    text-align: center;
}

header h1 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    margin-bottom: 10px;
}

header .subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Переключатель БД */
.db-selector {
    display: flex;
    background-color: var(--light-color);
    border-bottom: 1px solid #ddd;
}

.db-btn {
    flex: 1;
    padding: 18px;
    background: none;
    border: none;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.db-btn:hover {
    background-color: rgba(52, 152, 219, 0.1);
}

.db-btn.active {
    background-color: var(--secondary-color);
    color: white;
}

/* Дашборд */
.dashboard {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 30px;
    padding: 30px;
}

.stats {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.stat-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--box-shadow);
    border-left: 5px solid var(--secondary-color);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-card h3 {
    font-size: 1rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.stat-card p {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark-color);
}

/* Основной контент */
.controls {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.btn.primary:hover {
    background-color: #2980b9;
}

.btn.secondary {
    background-color: var(--light-color);
    color: var(--dark-color);
}

.btn.secondary:hover {
    background-color: #d5dbdb;
}

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

.btn.tertiary:hover {
    background-color: rgba(52, 152, 219, 0.1);
}

/* Форма экспоната */
.exhibit-form, .search-container {
    background-color: #f9f9f9;
    border-radius: var(--border-radius);
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: var(--box-shadow);
}

.exhibit-form h3, .search-container h3 {
    margin-bottom: 20px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--primary-color);
}

.form-group input, .form-group select, .form-group textarea {
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.form-actions, .search-form {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.search-form {
    align-items: center;
}

#search-input {
    flex: 1;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    min-width: 300px;
}

/* Список экспонатов */
.exhibits-container {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--box-shadow);
}

.exhibits-container h3 {
    margin-bottom: 20px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.exhibits-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 25px;
}

.exhibit-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-top: 4px solid var(--secondary-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.exhibit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.exhibit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
}

.exhibit-card h4 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.exhibit-card .exhibit-category {
    background-color: var(--light-color);
    color: var(--primary-color);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.exhibit-card .exhibit-details {
    margin: 15px 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.exhibit-card .exhibit-details div {
    display: flex;
    align-items: center;
    gap: 10px;
}

.exhibit-card .exhibit-description {
    color: #555;
    line-height: 1.5;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid #eee;
}

.exhibit-card .exhibit-location {
    display: flex;
    justify-content: space-between;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #eee;
    font-size: 0.9rem;
    color: #666;
}

/* Информационная панель */
.info-panel {
    background-color: #f8f9fa;
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--box-shadow);
    border-left: 5px solid var(--accent-color);
}

.info-panel h3 {
    margin-bottom: 20px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.db-info h4 {
    margin-top: 20px;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.db-info p {
    margin-bottom: 15px;
    color: #555;
}

.db-info ul {
    margin-left: 20px;
    margin-bottom: 20px;
    color: #555;
}

.db-info li {
    margin-bottom: 5px;
}

.advantages {
    background-color: rgba(39, 174, 96, 0.1);
    border-radius: var(--border-radius);
    padding: 15px;
    margin-top: 20px;
}

.advantages h4 {
    color: var(--success-color);
    margin-top: 0;
}

/* Футер */
footer {
    background-color: var(--primary-color);
    color: white;
    text-align: center;
    padding: 20px;
    margin-top: 30px;
}

.footer-note {
    font-size: 0.9rem;
    opacity: 0.7;
    margin-top: 5px;
}

/* Адаптивность */
@media (max-width: 1100px) {
    .dashboard {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .db-selector {
        flex-direction: column;
    }

    .stats {
        grid-template-columns: 1fr;
    }

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

    .exhibits-list {
        grid-template-columns: 1fr;
    }

    #search-input {
        min-width: auto;
        width: 100%;
    }

    .search-form {
        flex-direction: column;
        align-items: stretch;
    }
}