/**
 * Единые стили для состояний ошибок
 * Этап 6.2: Error States
 * 
 * Состояния ошибок с retry кнопками и понятными сообщениями
 */

/* ==================== БАЗОВОЕ СОСТОЯНИЕ ОШИБКИ ==================== */

.error-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    text-align: center;
    border-radius: 16px;
    background: rgba(239, 68, 68, 0.05);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.error-icon {
    font-size: 4rem;
    color: #ef4444;
    margin-bottom: 16px;
    opacity: 0.8;
}

.error-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: white;
    margin-bottom: 12px;
}

.error-message {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 24px;
    max-width: 500px;
    line-height: 1.6;
}

/* ==================== КНОПКИ ДЕЙСТВИЙ ==================== */

.error-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.error-retry-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.error-retry-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(239, 68, 68, 0.4);
}

.error-retry-btn:active {
    transform: translateY(0);
}

.error-secondary-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.error-secondary-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* ==================== ВАРИАНТЫ ОШИБОК ==================== */

.error-state-empty {
    background: rgba(102, 126, 234, 0.05);
    border-color: rgba(102, 126, 234, 0.2);
}

.error-state-empty .error-icon {
    color: #667eea;
}

.error-state-empty .error-title {
    color: rgba(255, 255, 255, 0.9);
}

.error-state-warning {
    background: rgba(245, 158, 11, 0.05);
    border-color: rgba(245, 158, 11, 0.2);
}

.error-state-warning .error-icon {
    color: #f59e0b;
}

.error-state-info {
    background: rgba(59, 130, 246, 0.05);
    border-color: rgba(59, 130, 246, 0.2);
}

.error-state-info .error-icon {
    color: #3b82f6;
}

/* ==================== ОШИБКА В КАРТОЧКЕ ==================== */

.error-card {
    padding: 24px;
    border-radius: 12px;
    background: rgba(239, 68, 68, 0.05);
    border: 1px solid rgba(239, 68, 68, 0.2);
    text-align: center;
}

.error-card-icon {
    font-size: 2.5rem;
    color: #ef4444;
    margin-bottom: 12px;
}

.error-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: white;
    margin-bottom: 8px;
}

.error-card-message {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 16px;
}

/* ==================== ОШИБКА В СПИСКЕ ==================== */

.error-list-item {
    padding: 24px;
    text-align: center;
    border-radius: 12px;
    background: rgba(239, 68, 68, 0.05);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.error-list-icon {
    font-size: 2rem;
    color: #ef4444;
    margin-bottom: 12px;
}

.error-list-message {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
}

/* ==================== ОШИБКА ЗАГРУЗКИ ДАННЫХ ==================== */

.error-data-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    padding: 24px;
}

.error-data-icon {
    font-size: 3rem;
    color: #ef4444;
    margin-bottom: 16px;
    opacity: 0.7;
}

.error-data-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: white;
    margin-bottom: 8px;
}

.error-data-message {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 20px;
    text-align: center;
    max-width: 400px;
}

/* ==================== ОШИБКА СЕТИ ==================== */

.error-network {
    background: rgba(239, 68, 68, 0.1);
    border: 2px dashed rgba(239, 68, 68, 0.3);
}

.error-network .error-icon {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.8;
    }
    50% {
        opacity: 0.4;
    }
}

/* ==================== ОШИБКА ПЕРМИШН ==================== */

.error-permission {
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.3);
}

.error-permission .error-icon {
    color: #f59e0b;
}

/* ==================== АДАПТИВНОСТЬ ==================== */

@media (max-width: 768px) {
    .error-state {
        padding: 32px 16px;
    }
    
    .error-icon {
        font-size: 3rem;
    }
    
    .error-title {
        font-size: 1.25rem;
    }
    
    .error-message {
        font-size: 0.9rem;
    }
    
    .error-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .error-retry-btn,
    .error-secondary-btn {
        width: 100%;
        justify-content: center;
    }
}