/* AI Course Selector Page Styles */

.selector-hero {
    padding-top: calc(var(--space-16) + 60px);
    padding-bottom: var(--space-16);
    text-align: center;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-secondary-dark) 100%);
    position: relative;
    overflow: hidden;
}

.selector-hero .hero-content {
    position: relative;
    margin: 0 auto;
    z-index: 2;
    padding: 0 var(--space-4);
}

.selector-hero h1 {
    font-size: var(--text-5xl);
    margin-bottom: var(--space-4);
    font-family: var(--font-heading);
}

.selector-hero .hero-subtitle {
    font-size: var(--text-xl);
    color: var(--color-gray-light);
    max-width: 600px;
    margin: 0 auto;
}

.selector-hero .hero-decoration {
    position: absolute;
    top: 50%;
    right: -100px;
    transform: translateY(-50%);
    opacity: 0.1;
}

.selector-hero .hero-circle {
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: var(--color-accent-green);
    filter: blur(100px);
}

/* Section */
.selector-section {
    background: var(--color-primary-dark);
    padding: var(--space-16) 0;
}

.selector-container {
    max-width: 900px;
    margin: 0 auto;
}

/* Input Card */
.selector-container .input-card {
    background: rgba(44, 62, 80, 0.5);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    padding: var(--space-10);
    border-radius: var(--border-radius-xl);
    border: 1px solid rgba(16, 185, 129, 0.2);
    margin-bottom: var(--space-8);
}

.selector-container .card-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.selector-container .card-header h2 {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-2);
    background: linear-gradient(135deg, var(--color-accent-green) 0%, var(--color-accent-green-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.selector-container .card-header p {
    color: var(--color-gray-light);
    font-size: var(--text-lg);
}

/* Questions & Options */
.question-group {
    margin-bottom: var(--space-8);
}

.question-label {
    display: block;
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: var(--color-text-primary);
}

.options-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.option-chip {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: var(--space-2) var(--space-4);
    background: rgba(15, 22, 35, 0.8);
    border: 2px solid rgba(52, 73, 94, 0.8);
    border-radius: var(--border-radius-lg);
    color: var(--color-gray-light);
    font-size: var(--text-sm);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-base);
}

.option-chip:hover {
    border-color: rgba(16, 185, 129, 0.5);
    color: var(--color-text-primary);
}

.option-chip input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.option-chip:has(input:checked) {
    border-color: var(--color-accent-green);
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-accent-green-light);
}

.btn-recommend {
    position: relative;
    /* Essential for absolute positioning of child */
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 60px;
    padding: var(--space-2) var(--space-4);
    margin-top: var(--space-4);
    font-size: var(--text-lg);
    line-height: normal;
    text-align: center;
    transition: transform var(--transition-base), box-shadow var(--transition-base), background-color var(--transition-base), border-color var(--transition-base);
    overflow: hidden;
    /* Contains any spinner overflow */
}

.btn-recommend .btn-loading {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    background: inherit;
    /* Matches button background */
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.btn-recommend.loading .btn-text {
    visibility: hidden;
    /* Keeps layout size, just hides text */
    opacity: 0;
}

.btn-recommend.loading .btn-loading {
    display: flex;
    opacity: 1;
}

/* Loading spinner */
.loading-spinner {
    display: block;
    width: 24px;
    height: 24px;
    margin: 0;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    flex-shrink: 0;
}

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

.btn-loading {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

/* Results */
.results-container {
    animation: fadeInUp 0.6s ease-out;
    margin-top: var(--space-8);
}

.results-title {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-6);
    background: linear-gradient(135deg, var(--color-accent-green) 0%, var(--color-accent-green-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.recommendations-grid {
    display: grid;
    gap: var(--space-6);
}

.recommendation-card {
    display: flex;
    gap: var(--space-6);
    background: rgba(44, 62, 80, 0.5);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-xl);
    border: 1px solid rgba(16, 185, 129, 0.2);
    overflow: hidden;
    transition: var(--transition-base);
}

.recommendation-card:hover {
    border-color: rgba(16, 185, 129, 0.5);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.recommendation-card-image {
    width: 200px;
    min-width: 200px;
    height: 160px;
    object-fit: cover;
    background: rgba(31, 41, 55, 0.8);
    flex-shrink: 0;
}

.recommendation-card-body {
    flex: 1;
    min-width: 0;
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.recommendation-card-category {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-accent-green);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-1);
}

.recommendation-card-title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
    overflow-wrap: break-word;
    word-wrap: break-word;
    word-break: break-word;
    hyphens: auto;
}

.recommendation-card-reason {
    font-size: var(--text-base);
    color: var(--color-gray-light);
    line-height: 1.5;
    margin-bottom: var(--space-4);
}

.recommendation-card-actions {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.recommendation-card-actions .btn {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
}

.results-actions {
    margin-top: var(--space-6);
    text-align: center;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--color-accent-green);
    color: var(--color-accent-green);
}

.btn-outline:hover {
    background: rgba(16, 185, 129, 0.1);
    transform: translateY(-2px);
}

/* Error */
.error-message {
    background: rgba(231, 76, 60, 0.1);
    border: 1px solid rgba(231, 76, 60, 0.3);
    border-radius: var(--border-radius-lg);
    padding: var(--space-6);
    margin-top: var(--space-6);
    animation: shake 0.5s ease-out;
}

.error-content {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.error-icon {
    font-size: var(--text-3xl);
}

.error-content p {
    color: #e74c3c;
    font-size: var(--text-base);
    margin: 0;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-8px);
    }

    75% {
        transform: translateX(8px);
    }
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-12);
}

.feature-item {
    text-align: center;
    padding: var(--space-6);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--space-3);
    margin-left: auto;
    margin-right: auto;
}

.feature-item h3 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-2);
    color: var(--color-text-primary);
}

.feature-item p {
    color: var(--color-gray-light);
    font-size: var(--text-sm);
}

.selector-container .hidden {
    display: none !important;
}

/* Course Specific Adjustments */
/* AI/ML: use contain so text baked into the image ("Machine Learning Fundamentals") is never cropped */
.category-ai-ml .recommendation-card-image,
[data-category="AI/ML"] .recommendation-card-image,
.recommendation-card[data-category*="AI"] .recommendation-card-image {
    object-fit: contain !important;
    object-position: center center;
    background-color: #000;
    /* Ensure black bars for the dark image background */
}

/* Laptop view: wider image area so the full image (and its text) fits clearly with contain */
@media (min-width: 769px) and (max-width: 1400px) {
    .recommendation-card-image {
        width: 280px;
        min-width: 280px;
        height: 200px;
    }
}

/* Ensure full width on mobile/tablet matches the general card style */
/* Responsive */
@media (max-width: 768px) {
    .selector-hero h1 {
        font-size: var(--text-3xl);
    }

    .selector-hero .hero-subtitle {
        font-size: var(--text-base);
    }

    .selector-container .input-card {
        padding: var(--space-6);
    }

    .recommendation-card {
        flex-direction: column;
    }

    .recommendation-card-image {
        width: 100%;
        min-width: 100%;
        height: 180px;
    }

    .recommendation-card-body {
        padding: var(--space-4);
    }

    .recommendation-card-title {
        font-size: var(--text-lg);
    }

    /* AI Course Specific - full width on mobile; contain keeps in-image text fully visible */
    .category-ai-ml .recommendation-card-image {
        width: 100%;
        height: 180px;
        object-position: center center;
    }
}