/**
 * OCD.app Assessments - Frontend Styles
 * Apple-inspired design system
 */

:root {
    --ocdapp-white: #ffffff;
    --ocdapp-black: #1d1d1f;
    --ocdapp-gray-50: #fbfbfd;
    --ocdapp-gray-100: #f5f5f7;
    --ocdapp-gray-200: #e8e8ed;
    --ocdapp-gray-300: #d2d2d7;
    --ocdapp-gray-400: #86868b;
    --ocdapp-gray-500: #6e6e73;
    --ocdapp-blue: #0071e3;
    --ocdapp-blue-hover: #0077ed;
    --ocdapp-green: #34c759;
    --ocdapp-orange: #ff9500;
    --ocdapp-red: #ff3b30;
    --ocdapp-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    --ocdapp-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --ocdapp-radius: 18px;
    --ocdapp-radius-lg: 24px;
    --ocdapp-transition: all 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
}

/* ==========================================
   ASSESSMENT WIDGET
   ========================================== */

.ocdapp-assessment {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    -webkit-font-smoothing: antialiased;
    max-width: 680px;
    margin: 0 auto;
}

.ocdapp-assessment__container {
    background: var(--ocdapp-white);
    border: 1px solid var(--ocdapp-gray-200);
    border-radius: var(--ocdapp-radius-lg);
    box-shadow: var(--ocdapp-shadow);
    overflow: hidden;
}

/* Intro Screen */
.ocdapp-assessment__intro {
    padding: clamp(32px, 5vw, 48px);
    text-align: center;
}

.ocdapp-assessment__image {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 24px;
    margin-bottom: 24px;
    box-shadow: var(--ocdapp-shadow);
}

.ocdapp-assessment__title {
    font-size: clamp(24px, 4vw, 32px);
    font-weight: 700;
    color: var(--ocdapp-black);
    margin: 0 0 12px;
    letter-spacing: -0.025em;
}

.ocdapp-assessment__description {
    font-size: 17px;
    color: var(--ocdapp-gray-500);
    line-height: 1.5;
    margin: 0 0 24px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

.ocdapp-assessment__meta {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 32px;
    font-size: 14px;
    color: var(--ocdapp-gray-400);
}

.ocdapp-assessment__meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.ocdapp-assessment__meta-icon {
    width: 18px;
    height: 18px;
    opacity: 0.7;
}

/* Start Button */
.ocdapp-assessment__start-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 17px;
    font-weight: 600;
    color: var(--ocdapp-white);
    background: var(--ocdapp-blue);
    border: none;
    border-radius: 980px;
    cursor: pointer;
    transition: var(--ocdapp-transition);
    min-width: 200px;
}

.ocdapp-assessment__start-btn:hover {
    background: var(--ocdapp-blue-hover);
    transform: scale(1.02);
}

.ocdapp-assessment__start-btn:active {
    transform: scale(0.98);
}

/* Progress Bar */
.ocdapp-assessment__progress {
    padding: 16px 24px;
    background: var(--ocdapp-gray-50);
    border-bottom: 1px solid var(--ocdapp-gray-200);
}

.ocdapp-assessment__progress-bar {
    height: 4px;
    background: var(--ocdapp-gray-200);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 8px;
}

.ocdapp-assessment__progress-fill {
    height: 100%;
    background: var(--ocdapp-blue);
    border-radius: 2px;
    transition: width 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.ocdapp-assessment__progress-text {
    font-size: 13px;
    color: var(--ocdapp-gray-400);
    text-align: center;
}

/* Question Screen */
.ocdapp-assessment__question {
    padding: clamp(24px, 4vw, 40px);
}

/* Question content wrapper for animations */
.ocdapp-assessment__question-content {
    animation: slideInFromRight 0.4s cubic-bezier(0.25, 0.1, 0.25, 1) forwards;
}

.ocdapp-assessment__question-content.slide-out {
    animation: slideOutToLeft 0.3s cubic-bezier(0.25, 0.1, 0.25, 1) forwards;
}

.ocdapp-assessment__question-content.initial-entrance {
    animation: initialFadeUp 0.5s cubic-bezier(0.25, 0.1, 0.25, 1) forwards;
}

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideOutToLeft {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(-40px);
    }
}

@keyframes initialFadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.ocdapp-assessment__question-text {
    font-size: clamp(18px, 3vw, 22px);
    font-weight: 600;
    color: var(--ocdapp-black);
    margin: 0 0 28px;
    line-height: 1.4;
    letter-spacing: -0.02em;
}

/* Answer Options */
.ocdapp-assessment__options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ocdapp-assessment__option {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 16px 20px;
    background: var(--ocdapp-gray-50);
    border: 2px solid var(--ocdapp-gray-200);
    border-radius: 14px;
    cursor: pointer;
    transition: var(--ocdapp-transition);
    font-size: 16px;
    color: var(--ocdapp-black);
    text-align: left;
    width: 100%;
}

.ocdapp-assessment__option:hover {
    border-color: var(--ocdapp-blue);
    background: rgba(0, 113, 227, 0.04);
}

.ocdapp-assessment__option.selected {
    border-color: var(--ocdapp-blue);
    background: rgba(0, 113, 227, 0.08);
}

.ocdapp-assessment__option-radio {
    width: 22px;
    height: 22px;
    border: 2px solid var(--ocdapp-gray-300);
    border-radius: 50%;
    margin-right: 14px;
    flex-shrink: 0;
    transition: var(--ocdapp-transition);
    position: relative;
}

.ocdapp-assessment__option:hover .ocdapp-assessment__option-radio {
    border-color: var(--ocdapp-blue);
}

.ocdapp-assessment__option.selected .ocdapp-assessment__option-radio {
    border-color: var(--ocdapp-blue);
    background: var(--ocdapp-blue);
}

.ocdapp-assessment__option.selected .ocdapp-assessment__option-radio::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background: var(--ocdapp-white);
    border-radius: 50%;
}

/* Results Screen */
.ocdapp-assessment__results {
    padding: clamp(32px, 5vw, 48px);
    text-align: center;
    animation: fadeIn 0.4s ease;
}

.ocdapp-assessment__score {
    margin-bottom: 32px;
}

.ocdapp-assessment__score-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    border: 4px solid;
}

.ocdapp-assessment__score-number {
    font-size: 42px;
    font-weight: 700;
    line-height: 1;
}

.ocdapp-assessment__score-label {
    font-size: 13px;
    color: var(--ocdapp-gray-500);
    margin-top: 4px;
}

.ocdapp-assessment__result-title {
    font-size: clamp(22px, 4vw, 28px);
    font-weight: 700;
    color: var(--ocdapp-black);
    margin: 0 0 12px;
    letter-spacing: -0.02em;
}

.ocdapp-assessment__result-description {
    font-size: 17px;
    color: var(--ocdapp-gray-500);
    line-height: 1.6;
    margin: 0 0 32px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

/* CTA Section */
.ocdapp-assessment__cta {
    background: var(--ocdapp-gray-50);
    border-radius: var(--ocdapp-radius);
    padding: 28px;
    margin-bottom: 24px;
}

.ocdapp-assessment__cta-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--ocdapp-black);
    margin: 0 0 8px;
}

.ocdapp-assessment__cta-text {
    font-size: 15px;
    color: var(--ocdapp-gray-500);
    margin: 0 0 20px;
    line-height: 1.5;
}

.ocdapp-assessment__app-badges {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.ocdapp-assessment__btn--download {
    padding: 16px 40px;
    font-size: 17px;
    min-width: 220px;
}

.ocdapp-assessment__btn--download:hover {
    transform: scale(1.02);
}

.ocdapp-assessment__app-badge {
    height: 44px;
    transition: var(--ocdapp-transition);
}

.ocdapp-assessment__app-badge:hover {
    transform: scale(1.05);
}

/* Actions */
.ocdapp-assessment__actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.ocdapp-assessment__btn {
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 980px;
    cursor: pointer;
    transition: var(--ocdapp-transition);
    border: none;
}

.ocdapp-assessment__btn--primary {
    background: var(--ocdapp-blue);
    color: var(--ocdapp-white);
}

.ocdapp-assessment__btn--primary:hover {
    background: var(--ocdapp-blue-hover);
}

.ocdapp-assessment__btn--secondary {
    background: var(--ocdapp-gray-100);
    color: var(--ocdapp-black);
}

.ocdapp-assessment__btn--secondary:hover {
    background: var(--ocdapp-gray-200);
}

/* Related Content */
.ocdapp-assessment__related {
    border-top: 1px solid var(--ocdapp-gray-200);
    padding-top: 24px;
    text-align: left;
}

.ocdapp-assessment__related-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--ocdapp-gray-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0 0 16px;
}

.ocdapp-assessment__related-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ocdapp-assessment__related-item {
    display: block;
    padding: 12px 16px;
    background: var(--ocdapp-gray-50);
    border-radius: 12px;
    text-decoration: none;
    transition: var(--ocdapp-transition);
}

.ocdapp-assessment__related-item:hover {
    background: var(--ocdapp-gray-100);
}

.ocdapp-assessment__related-item-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--ocdapp-blue);
    margin: 0;
}

/* ==========================================
   ASSESSMENT CARD
   ========================================== */

.ocdapp-assessment-card {
    background: var(--ocdapp-white);
    border: 1px solid var(--ocdapp-gray-200);
    border-radius: var(--ocdapp-radius);
    overflow: hidden;
    transition: var(--ocdapp-transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.ocdapp-assessment-card:hover {
    box-shadow: var(--ocdapp-shadow-lg);
    transform: translateY(-4px);
}

.ocdapp-assessment-card__image {
    width: 100%;
    height: 160px;
    object-fit: cover;
    background: var(--ocdapp-gray-100);
}

.ocdapp-assessment-card__content {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.ocdapp-assessment-card__title {
    font-size: 18px;
    font-weight: 600;
    color: var(--ocdapp-black);
    margin: 0 0 8px;
    letter-spacing: -0.02em;
}

.ocdapp-assessment-card__excerpt {
    font-size: 14px;
    color: var(--ocdapp-gray-500);
    line-height: 1.5;
    margin: 0 0 16px;
    flex: 1;
}

.ocdapp-assessment-card__meta {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--ocdapp-gray-400);
    margin-bottom: 16px;
}

.ocdapp-assessment-card__link {
    display: inline-flex;
    align-items: center;
    color: var(--ocdapp-blue);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--ocdapp-transition);
}

.ocdapp-assessment-card__link:hover {
    color: var(--ocdapp-blue-hover);
}

.ocdapp-assessment-card__link::after {
    content: ' →';
    margin-left: 4px;
    transition: transform 0.2s ease;
}

.ocdapp-assessment-card__link:hover::after {
    transform: translateX(4px);
}

/* ==========================================
   CAROUSEL
   ========================================== */

.ocdapp-assessment-carousel {
    margin: 40px 0;
}

.ocdapp-carousel-header {
    text-align: center;
    margin-bottom: 32px;
}

.ocdapp-carousel-header h2 {
    font-size: clamp(24px, 4vw, 32px);
    font-weight: 700;
    color: var(--ocdapp-black);
    margin: 0 0 8px;
}

.ocdapp-carousel-header p {
    font-size: 17px;
    color: var(--ocdapp-gray-500);
    margin: 0;
}

.ocdapp-carousel-track {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

/* ==========================================
   GRID
   ========================================== */

.ocdapp-assessment-grid {
    margin: 40px 0;
}

.ocdapp-grid-title {
    font-size: clamp(24px, 4vw, 32px);
    font-weight: 700;
    color: var(--ocdapp-black);
    margin: 0 0 32px;
    text-align: center;
}

.ocdapp-grid-items {
    display: grid;
    grid-template-columns: repeat(var(--columns, 3), 1fr);
    gap: 24px;
}

/* ==========================================
   POST WIDGET
   ========================================== */

.ocdapp-post-widget {
    margin: 48px 0 24px;
    padding: 32px;
    background: linear-gradient(135deg, var(--ocdapp-gray-50) 0%, var(--ocdapp-gray-100) 100%);
    border-radius: var(--ocdapp-radius-lg);
    text-align: center;
}

.ocdapp-post-widget__label {
    font-size: 12px;
    font-weight: 600;
    color: var(--ocdapp-blue);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin: 0 0 8px;
}

.ocdapp-post-widget__title {
    font-size: 22px;
    font-weight: 700;
    color: var(--ocdapp-black);
    margin: 0 0 8px;
}

.ocdapp-post-widget__description {
    font-size: 15px;
    color: var(--ocdapp-gray-500);
    margin: 0 0 20px;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.ocdapp-post-widget__btn {
    display: inline-flex;
    align-items: center;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    color: var(--ocdapp-white);
    background: var(--ocdapp-blue);
    border-radius: 980px;
    text-decoration: none;
    transition: var(--ocdapp-transition);
}

.ocdapp-post-widget__btn:hover {
    background: var(--ocdapp-blue-hover);
    transform: scale(1.02);
}

/* ==========================================
   LOADING STATE
   ========================================== */

.ocdapp-assessment--loading {
    opacity: 0.7;
    pointer-events: none;
}

.ocdapp-assessment__loader {
    display: flex;
    justify-content: center;
    padding: 40px;
}

.ocdapp-assessment__spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--ocdapp-gray-200);
    border-top-color: var(--ocdapp-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ==========================================
   ACCESSIBILITY
   ========================================== */

@media (prefers-reduced-motion: reduce) {
    .ocdapp-assessment *,
    .ocdapp-assessment-card,
    .ocdapp-post-widget__btn {
        animation: none !important;
        transition: none !important;
    }
}

.ocdapp-assessment__option:focus-visible,
.ocdapp-assessment__btn:focus-visible,
.ocdapp-assessment__start-btn:focus-visible {
    outline: 3px solid var(--ocdapp-blue);
    outline-offset: 2px;
}

/* ==========================================
   RESPONSIVE
   ========================================== */

@media (max-width: 768px) {
    .ocdapp-grid-items {
        grid-template-columns: 1fr;
    }

    .ocdapp-carousel-track {
        grid-template-columns: 1fr;
    }

    .ocdapp-assessment__app-badges {
        flex-direction: column;
        align-items: center;
    }

    .ocdapp-assessment__actions {
        flex-direction: column;
    }

    .ocdapp-assessment__btn {
        width: 100%;
    }
}