/**
 * Calculator Base Styles
 * Shared styles across all Silva CRM calculators
 * Version: 1.0.0
 */

/* CSS Variables - Silva Brand Colors */
:root {
    --silva-primary: #014385;
    --silva-secondary: #2f67b7;
    --silva-light-blue: #f3f7ff;
    --silva-lighter-blue: #e6f0ff;
    --silva-success: #10b981;
    --silva-danger: #dc2626;
    --silva-gray-50: #f9fafb;
    --silva-gray-100: #f3f4f6;
    --silva-gray-200: #e5e7eb;
    --silva-gray-300: #d1d5db;
    --silva-gray-400: #9ca3af;
    --silva-gray-500: #6b7280;
    --silva-gray-600: #4b5563;
    --silva-gray-700: #374151;
    --silva-gray-800: #1f2937;
    --silva-gray-900: #111827;
}

/* Navigation Buttons */
.silva-calculator-container .btn-next {
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    background: linear-gradient(135deg, var(--silva-primary) 0%, var(--silva-secondary) 100%);
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    box-shadow: 0 4px 6px rgba(1, 67, 133, 0.3);
    transition: all 0.2s;
}

.silva-calculator-container .btn-next:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(1, 67, 133, 0.4);
    background: linear-gradient(135deg, var(--silva-primary) 0%, #3874c4 100%);
}

.silva-calculator-container .btn-prev {
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    background: white;
    color: var(--silva-primary);
    border: 2px solid var(--silva-primary);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s;
}

.silva-calculator-container .btn-prev:hover {
    background: var(--silva-light-blue);
}

.silva-calculator-container .step-navigation {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 2px solid var(--silva-gray-200);
}

/* Form Input States */
.silva-calculator-container input:focus,
.silva-calculator-container select:focus {
    outline: none;
    border-color: var(--silva-primary) !important;
    box-shadow: 0 0 0 3px rgba(1, 67, 133, 0.1) !important;
}

/* Card Selection States */
.silva-calculator-container .material-card:has(input:checked) {
    border-color: var(--silva-primary) !important;
    background: var(--silva-light-blue) !important;
    box-shadow: 0 4px 12px rgba(1, 67, 133, 0.2) !important;
}

.silva-calculator-container .option-card:has(input:checked) {
    border-color: var(--silva-primary) !important;
    background: var(--silva-light-blue) !important;
}

.silva-calculator-container label:has(input[type="checkbox"]:checked) {
    border-color: var(--silva-primary) !important;
    background: var(--silva-light-blue) !important;
}

/* Option Group */
.option-group {
    display: grid;
    gap: 16px;
}

/* Loading & Error States */
.loading-spinner {
    text-align: center;
    padding: 40px;
    color: var(--silva-gray-500);
}

.error-message {
    padding: 40px;
    text-align: center;
    color: var(--silva-danger);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Cabinet Calculator - Measurement Cards */
.cabinet-measurement-card {
    transition: all 0.3s ease;
}

.cabinet-measurement-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08) !important;
}

/* Height Option Cards - Cabinet Calculator */
.height-option-card:hover {
    border-color: var(--silva-secondary) !important;
    background: var(--silva-gray-50) !important;
}

.height-option-card:has(input:checked) {
    border-color: var(--silva-primary) !important;
    background: var(--silva-light-blue) !important;
    box-shadow: 0 2px 8px rgba(1, 67, 133, 0.15) !important;
}

.height-option-card:has(input:checked) .height-value {
    color: var(--silva-primary) !important;
}

/* Depth Option Cards - Island Cabinet */
.depth-option-card:hover {
    border-color: var(--silva-secondary) !important;
    background: var(--silva-gray-50) !important;
}

.depth-option-card:has(input:checked) {
    border-color: var(--silva-primary) !important;
    background: var(--silva-light-blue) !important;
    box-shadow: 0 2px 8px rgba(1, 67, 133, 0.15) !important;
}

/* Radio button hidden but accessible */
.height-option-card input[type="radio"],
.depth-option-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

/* Focus visible for accessibility */
.height-option-card:has(input:focus-visible),
.depth-option-card:has(input:focus-visible) {
    outline: 3px solid var(--silva-primary);
    outline-offset: 2px;
}

/* Pantry Add/Remove Buttons */
#btn-add-pantry:hover {
    background: var(--silva-light-blue) !important;
    border-color: var(--silva-secondary) !important;
    transform: translateY(-1px);
}

.btn-remove-pantry:hover {
    background: #b91c1c !important;
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(220, 38, 38, 0.3);
}

.pantry-row {
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}