/* Variables */
:root {
    --primary-color: #8D2BCF;
    --primary-hover: #7320A3;
    --background-color: #FBF9FC;
    --text-color: #1A1A1A;
    --gray-100: #f8f9fa;
    --gray-600: #6c757d;
    --border-color: #dee2e6;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --spacing-sm: 0.375rem;
    --spacing-md: 0.75rem;
    --spacing-lg: 1.125rem;
}

/* Container */
.calculator-container,
.slab-container {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    font-family: 'DM Sans', sans-serif;
}

/* Card */
.card {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: var(--spacing-lg);
    background: white;
}

.card-header {
    background-color: #FBF9FC;
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md) var(--spacing-lg);
}

.card-header h4,
.card-header h5 {
    color: var(--text-color);
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
}

.card-header .description {
    font-size: 0.875rem;
    margin-top: var(--spacing-sm);
    margin-bottom: 0;
    color: var(--gray-600);
}

.card-body {
    padding: var(--spacing-lg);
}

/* Section Groups */
.section-group {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--gray-100);
}

.section-group:last-child {
    margin-bottom: 0;
    border-bottom: none;
}

.section-group h5 {
    color: var(--text-color);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

/* Form Elements */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: var(--spacing-sm);
    font-size: 0.9rem;
    display: block;
}

.form-control,
.form-select {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
    width: 100%;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(141, 43, 207, 0.25);
    outline: none;
}

.input-group {
    margin-bottom: var(--spacing-md);
    position: relative;
}

.input-group-text {
    background-color: var(--gray-100);
    border: 1px solid var(--border-color);
    color: var(--gray-600);
    font-size: 0.9rem;
}

/* Helper Text */
.help-text {
    font-size: 0.8rem;
    color: var(--gray-600);
    margin-top: var(--spacing-sm);
    display: block;
}

/* Calculate Button */
.btn-calculate {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50px;
    padding: 0.75rem 2rem;
    font-weight: 600;
    transition: all 0.2s ease;
    cursor: pointer;
    width: auto;
    min-width: 200px;
}

.btn-calculate:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
}

/* Primary Button Override for Slab Design */
.calculator-container .btn-primary {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50px;
    padding: 0.75rem 2rem;
    font-weight: 600;
    transition: all 0.2s ease;
    cursor: pointer;
    width: auto;
    min-width: 200px;
}

.calculator-container .btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
}

/* Classification Alert */
.classification-alert {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md);
    background-color: #F6F3FB;
    border: 1px solid rgba(141, 43, 207, 0.1);
    border-radius: 8px;
}

.classification-alert .classification-info {
    width: 100%;
}

.classification-alert p {
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
}

.classification-alert p:last-child {
    margin-bottom: 0;
}

.classification-alert strong {
    font-weight: 600;
    color: var(--primary-color);
}

.classification-alert span {
    color: var(--text-color);
}

/* Row Spacing */
.row {
    margin-bottom: var(--spacing-sm);
}

.row:last-child {
    margin-bottom: 0;
}

/* Support Condition Styles */
#oneway_support,
#twoway_support {
    width: 100%;
    margin-top: var(--spacing-sm);
}

#oneway_support:not([style*="display: none"]),
#twoway_support:not([style*="display: none"]) {
    display: block;
}

/* Responsive Design */
@media (max-width: 768px) {
    .calculator-container,
    .slab-container {
        padding: 1rem;
    }
    
    .card-header,
    .card-body {
        padding: 1rem;
    }
    
    .form-label {
        font-size: 0.95rem;
    }
    
    .form-control,
    .form-select,
    .input-group-text {
        font-size: 0.95rem;
    }
}

/* Results Section */
.results-section {
    margin-top: var(--spacing-lg);
}

.results-section .card-header {
    background-color: var(--gray-100);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md) var(--spacing-lg);
}

.results-section .card-title {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}

/* Table Styles */
.table {
    width: 100%;
    margin-bottom: 0;
}

.table th {
    background-color: var(--gray-100);
    font-weight: 600;
    padding: var(--spacing-md);
    font-size: 0.9rem;
}

.table td {
    padding: var(--spacing-md);
    vertical-align: middle;
    border-bottom: 1px solid var(--gray-100);
    font-size: 0.9rem;
}

.text-end {
    text-align: right;
}

.fw-medium {
    font-weight: 500;
}

.fw-bold {
    font-weight: 700;
}

/* Status Badges */
.badge {
    padding: 0.5rem 0.75rem;
    font-weight: 500;
    border-radius: 4px;
}

.badge-success,
.bg-success {
    background-color: var(--success-color) !important;
    color: white;
}

.badge-danger,
.bg-danger {
    background-color: var(--danger-color) !important;
    color: white;
}

/* Alert Styles */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: 6px;
    margin-bottom: var(--spacing-md);
}

.alert-info {
    background-color: rgba(23, 162, 184, 0.1);
    border: 1px solid rgba(23, 162, 184, 0.2);
    color: var(--info-color);
}

.alert p {
    margin-bottom: var(--spacing-sm);
}

.alert p:last-child {
    margin-bottom: 0;
}

.alert strong {
    font-weight: 600;
}

/* Results Panel */
.results-panel {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    margin-bottom: 2rem;
}

/* Status Indicator */
.status-indicator {
    padding: 12px 15px;
    border-radius: 6px;
    text-align: center;
    font-size: 1rem;
    font-weight: 500;
}

.status-indicator.pass {
    background-color: rgba(40, 167, 69, 0.1);
    border: 1px solid rgba(40, 167, 69, 0.2);
    color: var(--success-color);
}

.status-indicator.fail {
    background-color: rgba(220, 53, 69, 0.1);
    border: 1px solid rgba(220, 53, 69, 0.2);
    color: var(--danger-color);
}