.tempo-calculator-container {
    max-width: 100%;
    margin: 0 auto;
    font-family: 'Poppins', sans-serif;
}

.tempo-calculator-container .card {
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 30px;
}

.tempo-calculator-container .card-header {
    padding: 1rem 1.5rem;
}

.tempo-calculator-container .nav-tabs .nav-link {
    color: #495057;
    font-weight: 500;
    border: 0;
    border-bottom: 3px solid transparent;
    padding: 0.75rem 1rem;
}

.tempo-calculator-container .nav-tabs .nav-link:hover {
    border-color: rgba(var(--bs-primary-rgb), 0.3);
}

.tempo-calculator-container .nav-tabs .nav-link.active {
    color: var(--bs-primary);
    border-color: var(--bs-primary);
    background: transparent;
}

.tempo-calculator-container .form-label {
    font-weight: 500;
    color: #495057;
}

.tempo-calculator-container .form-text {
    font-size: 0.75rem;
    opacity: 0.7;
}

.tempo-calculator-container .btn {
    padding: 0.5rem 1.5rem;
    font-weight: 500;
}

.tempo-calculator-container .btn-primary {
    background-color: var(--bs-primary);
    border-color: var(--bs-primary);
}

.tempo-calculator-container .btn-primary:hover {
    background-color: rgba(var(--bs-primary-rgb), 0.9);
    border-color: rgba(var(--bs-primary-rgb), 0.9);
}

.tempo-calculator-container .btn-secondary {
    background-color: #e6e7e8;
    border-color: #e6e7e8;
    color: #495057;
}

.tempo-calculator-container .btn-secondary:hover {
    background-color: #d8d9da;
    border-color: #d8d9da;
}

.tempo-calculator-container .alert {
    border-radius: 8px;
    padding: 1rem;
}

.tempo-calculator-container .table {
    margin-bottom: 0;
    border-collapse: separate;
    border-spacing: 0;
}

.tempo-calculator-container .table th {
    font-weight: 600;
    background-color: rgba(var(--bs-light-rgb), 0.7);
    border-top: 0;
}

.tempo-calculator-container .table td,
.tempo-calculator-container .table th {
    padding: 0.75rem 1rem;
    vertical-align: middle;
}

.tempo-calculator-container .table-responsive {
    scrollbar-width: thin;
    scrollbar-color: var(--bs-primary) #f1f1f1;
}

.tempo-calculator-container .table-responsive::-webkit-scrollbar {
    height: 6px;
}

.tempo-calculator-container .table-responsive::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

.tempo-calculator-container .table-responsive::-webkit-scrollbar-thumb {
    background: var(--bs-primary);
    border-radius: 10px;
}

@media (max-width: 767.98px) {
    .tempo-calculator-container .nav-tabs .nav-link {
        font-size: 0.875rem;
        padding: 0.5rem 0.75rem;
    }
    
    .tempo-calculator-container .btn {
        padding: 0.375rem 0.75rem;
        font-size: 0.875rem;
    }
    
    .tempo-calculator-container .table th,
    .tempo-calculator-container .table td {
        font-size: 0.875rem;
        padding: 0.5rem 0.75rem;
    }
}