/**
 * Nordnatur Risk Matrix - Frontend Styles
 *
 * Uses GeneratePress CSS custom properties with fallbacks.
 * BEM naming convention with nnr- prefix.
 *
 * @package NordnaturRiskMatrix
 * @since 1.0.0
 */

/* ==========================================================================
   CSS Custom Properties (Local overrides with GP fallbacks)
   ========================================================================== */

:root {
    /* Risk level colors */
    --nnr-color-low: #4a9d5b;
    --nnr-color-moderate: #c9a227;
    --nnr-color-elevated: #d97706;
    --nnr-color-high: #dc2626;
    
    /* Spacing */
    --nnr-spacing-xs: 0.25rem;
    --nnr-spacing-sm: 0.5rem;
    --nnr-spacing-md: 1rem;
    --nnr-spacing-lg: 1.5rem;
    --nnr-spacing-xl: 2rem;
    --nnr-spacing-2xl: 3rem;
    
    /* Border radius */
    --nnr-radius-sm: 4px;
    --nnr-radius-md: 8px;
    --nnr-radius-lg: 12px;
    --nnr-radius-full: 50%;
    
    /* Transitions */
    --nnr-transition-fast: 150ms ease;
    --nnr-transition-normal: 250ms ease;
}

/* ==========================================================================
   Calculator Container
   ========================================================================== */

.nnr-calculator {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--nnr-spacing-xl);
    background: var(--base-3, #ffffff);
    border-radius: var(--nnr-radius-lg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.nnr-calculator__title {
    margin: 0 0 var(--nnr-spacing-md);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--contrast, #192321);
    text-align: center;
}

.nnr-calculator__intro {
    margin-bottom: var(--nnr-spacing-xl);
    padding: var(--nnr-spacing-md);
    background: var(--base-2, #FAF9F7);
    border-radius: var(--nnr-radius-md);
    text-align: center;
}

.nnr-calculator__intro p {
    margin: 0;
    color: var(--contrast-2, #3E4B47);
    line-height: 1.6;
}

/* ==========================================================================
   Form Sections
   ========================================================================== */

.nnr-section {
    margin-bottom: var(--nnr-spacing-xl);
    padding: var(--nnr-spacing-lg);
    background: var(--base-2, #FAF9F7);
    border: none;
    border-radius: var(--nnr-radius-md);
}

.nnr-section__title {
    display: flex;
    align-items: center;
    gap: var(--nnr-spacing-xs);
    margin-bottom: var(--nnr-spacing-sm);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--contrast, #192321);
}

.nnr-section__required {
    color: var(--nnr-color-high);
    font-weight: 400;
}

.nnr-section__description {
    margin: 0 0 var(--nnr-spacing-md);
    font-size: 0.9375rem;
    color: var(--contrast-2, #3E4B47);
    line-height: 1.5;
}

/* ==========================================================================
   Form Fields
   ========================================================================== */

.nnr-field {
    margin-bottom: var(--nnr-spacing-md);
}

.nnr-field:last-child {
    margin-bottom: 0;
}

.nnr-field__label {
    display: block;
    margin-bottom: var(--nnr-spacing-xs);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--contrast-2, #3E4B47);
}

.nnr-field__select,
.nnr-field__input {
    width: 100%;
    padding: var(--nnr-spacing-sm) var(--nnr-spacing-md);
    font-size: 1rem;
    color: var(--contrast, #192321);
    background: var(--base-3, #ffffff);
    border: 1px solid var(--contrast-3, #63756f);
    border-radius: var(--nnr-radius-sm);
    transition: border-color var(--nnr-transition-fast), box-shadow var(--nnr-transition-fast);
    appearance: none;
}

.nnr-field__select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2363756f' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--nnr-spacing-md) center;
    padding-right: calc(var(--nnr-spacing-md) * 2 + 12px);
    cursor: pointer;
}

.nnr-field__select:focus,
.nnr-field__input:focus {
    border-color: var(--accent, #95427b);
    box-shadow: 0 0 0 3px var(--accent-3, #E3CFDA);
    outline: none;
}

.nnr-field__select:focus-visible,
.nnr-field__input:focus-visible {
    outline: 2px solid var(--accent, #95427b);
    outline-offset: 2px;
}

/* Materials Grid */
.nnr-materials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--nnr-spacing-md);
}

@media (max-width: 600px) {
    .nnr-materials-grid {
        grid-template-columns: 1fr;
    }
}

.nnr-field--material {
    margin-bottom: 0;
}

/* ==========================================================================
   Checkboxes
   ========================================================================== */

.nnr-checkbox-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--nnr-spacing-sm);
}

@media (max-width: 600px) {
    .nnr-checkbox-group {
        grid-template-columns: 1fr;
    }
}

.nnr-checkbox {
    position: relative;
}

.nnr-checkbox__input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.nnr-checkbox__label {
    display: flex;
    align-items: flex-start;
    gap: var(--nnr-spacing-sm);
    padding: var(--nnr-spacing-sm) var(--nnr-spacing-md);
    background: var(--base-3, #ffffff);
    border: 1px solid var(--contrast-3, #63756f);
    border-radius: var(--nnr-radius-sm);
    cursor: pointer;
    transition: border-color var(--nnr-transition-fast), background-color var(--nnr-transition-fast);
}

.nnr-checkbox__label::before {
    content: '';
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    margin-top: 2px;
    border: 2px solid var(--contrast-3, #63756f);
    border-radius: 3px;
    background: var(--base-3, #ffffff);
    transition: border-color var(--nnr-transition-fast), background-color var(--nnr-transition-fast);
}

.nnr-checkbox__input:checked + .nnr-checkbox__label {
    border-color: var(--accent, #95427b);
    background: var(--accent-3, #E3CFDA);
}

.nnr-checkbox__input:checked + .nnr-checkbox__label::before {
    border-color: var(--accent, #95427b);
    background: var(--accent, #95427b);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='white' d='M13.78 4.22a.75.75 0 010 1.06l-7.25 7.25a.75.75 0 01-1.06 0L2.22 9.28a.75.75 0 111.06-1.06L6 10.94l6.72-6.72a.75.75 0 011.06 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 12px;
}

.nnr-checkbox__input:focus-visible + .nnr-checkbox__label {
    outline: 2px solid var(--accent, #95427b);
    outline-offset: 2px;
}

.nnr-checkbox__text {
    flex: 1;
    font-size: 0.9375rem;
    color: var(--contrast, #192321);
    line-height: 1.4;
}

.nnr-checkbox__points {
    font-size: 0.8125rem;
    color: var(--contrast-2, #3E4B47);
    white-space: nowrap;
}

/* Newsletter checkbox styling */
.nnr-checkbox--newsletter {
    margin-top: var(--nnr-spacing-md);
}

.nnr-checkbox--newsletter .nnr-checkbox__label {
    background: transparent;
    border: none;
    padding: 0;
}

.nnr-checkbox--newsletter .nnr-checkbox__input:checked + .nnr-checkbox__label {
    background: transparent;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.nnr-actions {
    margin-top: var(--nnr-spacing-xl);
    text-align: center;
}

.nnr-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--nnr-spacing-sm);
    padding: var(--nnr-spacing-md) var(--nnr-spacing-xl);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--nnr-radius-md);
    cursor: pointer;
    transition: background-color var(--nnr-transition-fast), transform var(--nnr-transition-fast);
}

.nnr-button:focus-visible {
    outline: 2px solid var(--accent, #95427b);
    outline-offset: 2px;
}

.nnr-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.nnr-button--primary {
    color: var(--base-3, #ffffff);
    background: var(--accent, #95427b);
}

.nnr-button--primary:hover:not(:disabled) {
    background: var(--accent-2, #b46b91);
}

.nnr-button--primary:active:not(:disabled) {
    transform: translateY(1px);
}

.nnr-button--secondary {
    color: var(--accent, #95427b);
    background: transparent;
    border: 2px solid var(--accent, #95427b);
}

.nnr-button--secondary:hover:not(:disabled) {
    background: var(--accent-3, #E3CFDA);
}

.nnr-button__loading {
    display: inline-flex;
    align-items: center;
    gap: var(--nnr-spacing-sm);
}

.nnr-button__loading[hidden] {
    display: none;
}

/* Spinner */
.nnr-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: var(--nnr-radius-full);
    animation: nnr-spin 0.8s linear infinite;
}

@keyframes nnr-spin {
    to {
        transform: rotate(360deg);
    }
}

/* ==========================================================================
   Results Section
   ========================================================================== */

.nnr-results {
    margin-top: var(--nnr-spacing-xl);
    padding-top: var(--nnr-spacing-xl);
    border-top: 2px solid var(--base-2, #FAF9F7);
}

.nnr-results[hidden] {
    display: none;
}

.nnr-results__header {
    text-align: center;
    margin-bottom: var(--nnr-spacing-lg);
}

.nnr-results__title {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--contrast, #192321);
}

.nnr-results__subtitle {
    margin: 0 0 var(--nnr-spacing-md);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--contrast, #192321);
}

/* Score Display */
.nnr-results__score-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--nnr-spacing-md);
    margin-bottom: var(--nnr-spacing-xl);
}

.nnr-score-circle {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 120px;
    height: 120px;
    border-radius: var(--nnr-radius-full);
    background: var(--base-2, #FAF9F7);
    border: 4px solid var(--nnr-color-low);
    transition: border-color var(--nnr-transition-normal);
}

.nnr-score-circle__value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--contrast, #192321);
    line-height: 1;
}

.nnr-score-circle__max {
    font-size: 1rem;
    color: var(--contrast-2, #3E4B47);
}

.nnr-score-level {
    text-align: center;
}

.nnr-score-level__label {
    display: inline-block;
    padding: var(--nnr-spacing-xs) var(--nnr-spacing-md);
    font-size: 1rem;
    font-weight: 600;
    color: var(--base-3, #ffffff);
    background: var(--nnr-color-low);
    border-radius: var(--nnr-radius-sm);
    transition: background-color var(--nnr-transition-normal);
}

/* Risk Level Color Modifiers */
.nnr-results--low .nnr-score-circle,
[data-nnr-level="low"] .nnr-score-circle {
    border-color: var(--nnr-color-low);
}

.nnr-results--low .nnr-score-level__label,
[data-nnr-level="low"] .nnr-score-level__label {
    background: var(--nnr-color-low);
}

.nnr-results--moderate .nnr-score-circle,
[data-nnr-level="moderate"] .nnr-score-circle {
    border-color: var(--nnr-color-moderate);
}

.nnr-results--moderate .nnr-score-level__label,
[data-nnr-level="moderate"] .nnr-score-level__label {
    background: var(--nnr-color-moderate);
}

.nnr-results--elevated .nnr-score-circle,
[data-nnr-level="elevated"] .nnr-score-circle {
    border-color: var(--nnr-color-elevated);
}

.nnr-results--elevated .nnr-score-level__label,
[data-nnr-level="elevated"] .nnr-score-level__label {
    background: var(--nnr-color-elevated);
}

.nnr-results--high .nnr-score-circle,
[data-nnr-level="high"] .nnr-score-circle {
    border-color: var(--nnr-color-high);
}

.nnr-results--high .nnr-score-level__label,
[data-nnr-level="high"] .nnr-score-level__label {
    background: var(--nnr-color-high);
}

/* Results Description */
.nnr-results__description {
    margin-bottom: var(--nnr-spacing-xl);
    padding: var(--nnr-spacing-md);
    background: var(--base-2, #FAF9F7);
    border-radius: var(--nnr-radius-md);
    text-align: center;
}

.nnr-results__description p {
    margin: 0;
    color: var(--contrast-2, #3E4B47);
    line-height: 1.6;
}

/* ==========================================================================
   Score Breakdown
   ========================================================================== */

.nnr-results__breakdown {
    margin-bottom: var(--nnr-spacing-xl);
}

.nnr-breakdown-grid {
    display: grid;
    gap: var(--nnr-spacing-sm);
}

.nnr-breakdown-item {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: var(--nnr-spacing-md);
    padding: var(--nnr-spacing-sm) var(--nnr-spacing-md);
    background: var(--base-2, #FAF9F7);
    border-radius: var(--nnr-radius-sm);
}

.nnr-breakdown-item__label {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--contrast, #192321);
}

.nnr-breakdown-item__bar {
    display: flex;
    align-items: center;
    gap: var(--nnr-spacing-sm);
    min-width: 150px;
}

.nnr-breakdown-item__progress {
    flex: 1;
    height: 8px;
    background: var(--base-3, #ffffff);
    border-radius: var(--nnr-radius-sm);
    overflow: hidden;
}

.nnr-breakdown-item__fill {
    height: 100%;
    background: var(--accent, #95427b);
    border-radius: var(--nnr-radius-sm);
    transition: width var(--nnr-transition-normal);
}

.nnr-breakdown-item__score {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--contrast-2, #3E4B47);
    white-space: nowrap;
    min-width: 45px;
    text-align: right;
}

/* ==========================================================================
   Top Contributors
   ========================================================================== */

.nnr-results__contributors {
    margin-bottom: var(--nnr-spacing-xl);
}

.nnr-contributors-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.nnr-contributor {
    display: flex;
    align-items: flex-start;
    gap: var(--nnr-spacing-md);
    padding: var(--nnr-spacing-md);
    background: var(--base-2, #FAF9F7);
    border-radius: var(--nnr-radius-sm);
    margin-bottom: var(--nnr-spacing-sm);
}

.nnr-contributor:last-child {
    margin-bottom: 0;
}

.nnr-contributor__rank {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--base-3, #ffffff);
    background: var(--accent, #95427b);
    border-radius: var(--nnr-radius-full);
    flex-shrink: 0;
}

.nnr-contributor__content {
    flex: 1;
}

.nnr-contributor__label {
    display: block;
    font-weight: 600;
    color: var(--contrast, #192321);
    margin-bottom: var(--nnr-spacing-xs);
}

.nnr-contributor__detail {
    font-size: 0.875rem;
    color: var(--contrast-2, #3E4B47);
}

.nnr-contributor__score {
    font-weight: 600;
    color: var(--accent, #95427b);
}

.nnr-no-contributors {
    padding: var(--nnr-spacing-md);
    background: var(--base-2, #FAF9F7);
    border-radius: var(--nnr-radius-sm);
    text-align: center;
    color: var(--contrast-2, #3E4B47);
}

/* ==========================================================================
   Recommendations
   ========================================================================== */

.nnr-results__recommendations {
    margin-bottom: var(--nnr-spacing-xl);
}

.nnr-recommendations-list {
    display: grid;
    gap: var(--nnr-spacing-sm);
}

.nnr-recommendation {
    display: flex;
    align-items: center;
    gap: var(--nnr-spacing-md);
    padding: var(--nnr-spacing-md);
    background: var(--base-2, #FAF9F7);
    border-radius: var(--nnr-radius-sm);
    text-decoration: none;
    color: inherit;
    transition: background-color var(--nnr-transition-fast);
}

a.nnr-recommendation:hover {
    background: var(--accent-3, #E3CFDA);
}

.nnr-recommendation__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--accent, #95427b);
    border-radius: var(--nnr-radius-full);
    flex-shrink: 0;
}

.nnr-recommendation__icon svg {
    width: 20px;
    height: 20px;
    fill: var(--base-3, #ffffff);
}

.nnr-recommendation__text {
    font-weight: 500;
    color: var(--contrast, #192321);
}

.nnr-no-recommendations {
    padding: var(--nnr-spacing-md);
    background: var(--base-2, #FAF9F7);
    border-radius: var(--nnr-radius-sm);
    text-align: center;
    color: var(--contrast-2, #3E4B47);
}

/* ==========================================================================
   Disclaimer
   ========================================================================== */

.nnr-disclaimer {
    margin-bottom: var(--nnr-spacing-xl);
    padding: var(--nnr-spacing-md);
    background: #fef3c7;
    border: 1px solid #fbbf24;
    border-radius: var(--nnr-radius-md);
}

.nnr-disclaimer__text {
    margin: 0;
    font-size: 0.875rem;
    color: #92400e;
    line-height: 1.5;
}

.nnr-disclaimer__text strong {
    color: #78350f;
}

/* ==========================================================================
   Email Form
   ========================================================================== */

.nnr-email-form {
    margin-bottom: var(--nnr-spacing-xl);
    padding: var(--nnr-spacing-lg);
    background: var(--base-2, #FAF9F7);
    border-radius: var(--nnr-radius-md);
}

.nnr-email-form__title {
    margin: 0 0 var(--nnr-spacing-xs);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--contrast, #192321);
}

.nnr-email-form__description {
    margin: 0 0 var(--nnr-spacing-md);
    font-size: 0.9375rem;
    color: var(--contrast-2, #3E4B47);
}

.nnr-email-form__fields {
    margin-bottom: var(--nnr-spacing-md);
}

.nnr-email-form__actions {
    margin-bottom: var(--nnr-spacing-md);
}

.nnr-email-form__feedback {
    padding: var(--nnr-spacing-sm) var(--nnr-spacing-md);
    border-radius: var(--nnr-radius-sm);
    font-size: 0.9375rem;
}

.nnr-email-form__feedback[hidden] {
    display: none;
}

.nnr-email-form__feedback--success {
    background: #d1fae5;
    color: #065f46;
}

.nnr-email-form__feedback--error {
    background: #fee2e2;
    color: #991b1b;
}

/* ==========================================================================
   Results Actions
   ========================================================================== */

.nnr-results__actions {
    text-align: center;
}

/* ==========================================================================
   Accessibility
   ========================================================================== */

.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .nnr-button,
    .nnr-checkbox__label,
    .nnr-field__select,
    .nnr-field__input,
    .nnr-score-circle,
    .nnr-score-level__label,
    .nnr-breakdown-item__fill,
    .nnr-recommendation {
        transition: none;
    }
    
    .nnr-spinner {
        animation: none;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .nnr-field__select,
    .nnr-field__input {
        border-width: 2px;
    }
    
    .nnr-checkbox__label::before {
        border-width: 3px;
    }
}

/* ==========================================================================
   Responsive Adjustments
   ========================================================================== */

@media (max-width: 768px) {
    .nnr-calculator {
        padding: var(--nnr-spacing-lg);
    }
    
    .nnr-calculator__title {
        font-size: 1.5rem;
    }
    
    .nnr-section {
        padding: var(--nnr-spacing-md);
    }
    
    .nnr-breakdown-item {
        grid-template-columns: 1fr;
        gap: var(--nnr-spacing-sm);
    }
    
    .nnr-breakdown-item__bar {
        min-width: 100%;
    }
    
    .nnr-score-circle {
        width: 100px;
        height: 100px;
    }
    
    .nnr-score-circle__value {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .nnr-calculator {
        padding: var(--nnr-spacing-md);
        border-radius: var(--nnr-radius-md);
    }
    
    .nnr-button {
        width: 100%;
    }
    
    .nnr-contributor {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
    .nnr-calculator {
        box-shadow: none;
        padding: 0;
    }
    
    .nnr-form,
    .nnr-email-form,
    .nnr-results__actions {
        display: none;
    }
    
    .nnr-results {
        display: block !important;
        margin-top: 0;
        padding-top: 0;
        border-top: none;
    }
    
    .nnr-button {
        display: none;
    }
}