select {
    width: 100%;
    padding: 12px;
    margin-bottom: 20px;
    border-radius: 4px;
    border: 1px solid #cbd5e0;
    font-size: 15px;
    transition: border-color 0.2s ease;
    background: #fff;
}

    select:focus {
        border-color: #00b1eb;
        outline: none;
    }

.ep-grid-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

@media (min-width: 768px) {
    .ep-grid-2 {
        grid-template-columns: 1fr 1fr;
    }
}

.loading {
    color: #4a5568;
    font-size: 14px;
}

.error-box {
    padding: 14px;
    border: 1px solid #e53e3e;
    background: #fff5f5;
    border-radius: 6px;
    color: #742a2a;
    margin-top: 12px;
}

.tariff-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

@media (min-width: 700px) {
    .tariff-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (min-width: 1024px) {
    .tariff-grid {
        grid-template-columns: 1fr 1fr 1fr;
    }
}

.tariff-card {
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    padding: 18px;
    background: #fff;
}

    .tariff-card h3 {
        margin: 0 0 6px 0;
        color: #002f6c;
        font-size: 16px;
    }

.tariff-meta {
    color: #4a5568;
    font-size: 14px;
    margin-bottom: 12px;
}

.tariff-price {
    font-size: 24px;
    font-weight: 700;
    color: #111;
    margin: 10px 0 2px 0;
}

.tariff-sub {
    color: #4a5568;
    font-size: 13px;
    margin-bottom: 10px;
}

.tariff-actions {
    margin-top: 14px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.link-button {
    display: inline-block;
    padding: 10px 14px;
    border-radius: 4px;
    border: 1px solid #cbd5e0;
    text-decoration: none;
    color: #111;
}