/* ===== СТИЛИ ШАПКИ И НАВИГАЦИИ ===== */

/* Основная шапка */
.header {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: white;
    padding: 1.5rem 0;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
}

.header-text h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.header-text p {
    font-size: 1rem;
    opacity: 0.9;
}

/* Навигационные вкладки */
.tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid #e5e7eb;
    padding-bottom: 1rem;
}

.tab {
    padding: 0.75rem 1.5rem;
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tab:hover {
    border-color: #3b82f6;
    background: #f0f9ff;
}

.tab.active {
    background: #3b82f6;
    color: white;
    border-color: #3b82f6;
}