/* Custom styles for DIGI Calculator */

/* Tab styles */
.tab-btn {
    color: #6b7280;
    border-bottom: 3px solid transparent;
}

.tab-btn:hover {
    background-color: #f3f4f6;
}

.tab-btn.active {
    color: #0066cc;
    border-bottom-color: #0066cc;
    background-color: #e6f2ff;
}

/* Form elements */
.select-field {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #d1d5db;
    border-radius: 0.5rem;
    background-color: white;
    font-size: 1rem;
    transition: all 0.2s;
    cursor: pointer;
}

.select-field:focus {
    outline: none;
    border-color: #0066cc;
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.input-field {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #d1d5db;
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: all 0.2s;
}

.input-field:focus {
    outline: none;
    border-color: #0066cc;
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, #0066cc 0%, #004080 100%);
    color: white;
    font-weight: 600;
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    transition: all 0.2s;
    box-shadow: 0 4px 6px rgba(0, 102, 204, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 102, 204, 0.35);
}

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

/* Alert styles */
.alert {
    padding: 1rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-warning {
    background-color: #fef3c7;
    border: 1px solid #f59e0b;
    color: #92400e;
}

.alert-danger {
    background-color: #fee2e2;
    border: 1px solid #ef4444;
    color: #991b1b;
}

.alert-info {
    background-color: #e0f2fe;
    border: 1px solid #0284c7;
    color: #075985;
}

/* Table styles */
table tbody tr {
    border-bottom: 1px solid #e5e7eb;
}

table tbody tr:last-child {
    border-bottom: none;
}

table tbody td {
    padding: 1rem;
}

table tbody tr:hover {
    background-color: #f9fafb;
}

/* Animation for results */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-slide-up {
    animation: slideUp 0.3s ease-out forwards;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .tab-btn {
        font-size: 0.875rem;
        padding: 0.75rem 0.5rem;
    }
}

/* Loading animation */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.loading-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}