/* pages.css - Extracted page-specific styles */

/* === features.html === */
.feature-hero { padding: 10rem 0 5rem; text-align: center; position: relative; }
.feature-hero::before { content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 50rem; height: 50rem; background: var(--gradient-primary); filter: blur(9.375rem); opacity: 0.1; pointer-events: none; }
.features-detailed { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.feature-detail-card { background: var(--bg-card); border: 0.0625rem solid var(--border-color); border-radius: var(--radius-xl); padding: 2.5rem; transition: all var(--transition-base); }
.feature-detail-card:hover { border-color: var(--accent-primary); transform: translateY(-0.25rem); box-shadow: var(--shadow-lg); }
.feature-detail-icon { width: 4.5rem; height: 4.5rem; background: rgba(245, 158, 11, 0.1); border-radius: var(--radius-lg); display: flex; align-items: center; justify-content: center; margin-bottom: 1.5rem; color: var(--accent-primary); }
.feature-detail-card:hover .feature-detail-icon { background: var(--gradient-primary); color: white; }
.feature-detail-title { font-size: 1.5rem; font-weight: 700; margin-bottom: 1rem; }
.feature-detail-description { color: var(--text-secondary); line-height: 1.7; margin-bottom: 1.25rem; }
.feature-list { list-style: none; }
.feature-list li { display: flex; align-items: flex-start; gap: 0.75rem; padding: 0.5rem 0; color: var(--text-secondary); }
.feature-list li i { color: var(--accent-success); flex-shrink: 0; margin-top: 0.125rem; }
.comparison-section { background: var(--bg-secondary); }
.comparison-table { width: 100%; border-collapse: collapse; background: var(--bg-card); border-radius: var(--radius-xl); overflow: hidden; }
.comparison-table th, .comparison-table td { padding: 1.25rem 1.5rem; text-align: left; border-bottom: 0.0625rem solid var(--border-color); }
.comparison-table th { background: var(--bg-tertiary); font-weight: 600; }
.comparison-table tr:last-child td { border-bottom: none; }
.check-icon { color: var(--accent-success); }
.x-icon { color: var(--text-muted); }
@media (max-width: 48em) { .features-detailed { grid-template-columns: 1fr; } .comparison-table { font-size: 0.9rem; } .comparison-table th, .comparison-table td { padding: 0.75rem 1rem; } }

/* === contact.html === */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 3rem; }
.contact-info h2 { font-size: 2rem; margin-bottom: 1rem; }
.contact-info p { color: var(--text-secondary); margin-bottom: 2rem; line-height: 1.7; }
.contact-methods { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-method { display: flex; align-items: flex-start; gap: 1rem; }
.contact-method-icon { width: 3rem; height: 3rem; background: rgba(245, 158, 11, 0.1); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; color: var(--accent-primary); flex-shrink: 0; }
.contact-method-label { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 0.25rem; }
.contact-method-value { font-weight: 500; color: var(--text-primary); }
.contact-method-value a { color: var(--accent-primary); text-decoration: none; }
.contact-form-card { background: var(--bg-card); border: 0.0625rem solid var(--border-color); border-radius: var(--radius-xl); padding: 2.5rem; }
.contact-form-title { font-size: 1.5rem; font-weight: 600; margin-bottom: 1.5rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 62em) { .contact-grid { grid-template-columns: 1fr; } .form-row { grid-template-columns: 1fr; } }

/* === about.html === */
.about-hero { padding: 10rem 0 5rem; text-align: center; }
.about-content { max-width: 50rem; margin: 0 auto; }
.about-text { font-size: 1.15rem; line-height: 1.8; color: var(--text-secondary); margin-bottom: 1.5rem; }
.mission-section { background: var(--bg-secondary); }
.mission-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.mission-card { background: var(--bg-card); border: 0.0625rem solid var(--border-color); border-radius: var(--radius-xl); padding: 2rem; text-align: center; }
.mission-icon { width: 4rem; height: 4rem; background: rgba(245, 158, 11, 0.1); border-radius: var(--radius-lg); display: flex; align-items: center; justify-content: center; margin: 0 auto 1.25rem; color: var(--accent-primary); }
.mission-title { font-size: 1.25rem; font-weight: 600; margin-bottom: 0.75rem; }
.mission-text { color: var(--text-secondary); line-height: 1.6; }
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.team-card { background: var(--bg-card); border: 0.0625rem solid var(--border-color); border-radius: var(--radius-xl); padding: 1.5rem; text-align: center; transition: all var(--transition-base); }
.team-card:hover { transform: translateY(-0.25rem); border-color: var(--accent-primary); }
.team-avatar { width: 5rem; height: 5rem; border-radius: 50%; background: var(--gradient-primary); display: flex; align-items: center; justify-content: center; margin: 0 auto 1rem; font-size: 2rem; color: white; }
.team-name { font-weight: 600; margin-bottom: 0.25rem; }
.team-role { font-size: 0.9rem; color: var(--text-muted); }
@media (max-width: 62em) { .mission-grid { grid-template-columns: 1fr; } .team-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 37.5em) { .team-grid { grid-template-columns: 1fr; } }

/* === pricing.html === */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; align-items: start; }
.pricing-card { background: var(--bg-card); border: 0.0625rem solid var(--border-color); border-radius: var(--radius-xl); padding: 2.5rem; text-align: center; position: relative; transition: all var(--transition-base); }
.pricing-card:hover { transform: translateY(-0.5rem); box-shadow: var(--shadow-lg); }
.pricing-card.popular { border-color: var(--accent-primary); }
.pricing-card.popular::before { content: 'Most Popular'; position: absolute; top: -0.75rem; left: 50%; transform: translateX(-50%); background: var(--gradient-primary); color: white; padding: 0.375rem 1.25rem; border-radius: var(--radius-full); font-size: 0.85rem; font-weight: 600; }
.pricing-name { font-size: 1.25rem; font-weight: 600; margin-bottom: 0.5rem; }
.pricing-price { font-family: var(--font-display); font-size: 3.5rem; font-weight: 800; margin: 1rem 0; }
.pricing-price span { font-size: 1rem; color: var(--text-muted); font-weight: 400; }
.pricing-description { color: var(--text-secondary); margin-bottom: 1.5rem; }
.pricing-features { list-style: none; text-align: left; margin-bottom: 2rem; }
.pricing-features li { display: flex; align-items: center; gap: 0.75rem; padding: 0.75rem 0; border-bottom: 0.0625rem solid var(--border-subtle); color: var(--text-secondary); }
.pricing-features li:last-child { border-bottom: none; }
.pricing-features li i { color: var(--accent-success); flex-shrink: 0; }
.pricing-features li.disabled { color: var(--text-muted); }
.pricing-features li.disabled i { color: var(--text-muted); }
.faq-section { background: var(--bg-secondary); }
.faq-grid { display: grid; gap: 1rem; max-width: 50rem; margin: 0 auto; }
.faq-item { background: var(--bg-card); border: 0.0625rem solid var(--border-color); border-radius: var(--radius-lg); overflow: hidden; }
.faq-question { width: 100%; padding: 1.25rem 1.5rem; background: none; border: none; color: var(--text-primary); font-size: 1rem; font-weight: 600; text-align: left; cursor: pointer; display: flex; align-items: center; justify-content: space-between; }
.faq-question i { transition: transform var(--transition-base); color: var(--text-muted); }
.faq-item.active .faq-question i { transform: rotate(180deg); }
.faq-answer { padding: 0 1.5rem 1.25rem; color: var(--text-secondary); line-height: 1.7; display: none; }
.faq-item.active .faq-answer { display: block; }
@media (max-width: 62em) { .pricing-grid { grid-template-columns: 1fr; max-width: 25rem; margin: 0 auto; } }

/* === subjects.html === */
.subjects-grid-lg { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.subject-card-lg { background: var(--bg-card); border: 0.0625rem solid var(--border-color); border-radius: var(--radius-xl); padding: 2.5rem; text-align: center; transition: all var(--transition-base); text-decoration: none; display: block; position: relative; overflow: hidden; }
.subject-card-lg::before { content: ''; position: absolute; inset: 0; background: var(--gradient-primary); opacity: 0; transition: opacity var(--transition-base); }
.subject-card-lg:hover { transform: translateY(-0.5rem); border-color: transparent; box-shadow: var(--shadow-lg), var(--shadow-glow); }
.subject-card-lg:hover::before { opacity: 1; }
.subject-card-lg > * { position: relative; z-index: 1; }
.subject-icon-lg { width: 6.25rem; height: 6.25rem; background: rgba(245, 158, 11, 0.1); border-radius: var(--radius-xl); display: flex; align-items: center; justify-content: center; margin: 0 auto 1.5rem; font-size: 3rem; transition: all var(--transition-base); }
.subject-card-lg:hover .subject-icon-lg { background: rgba(255, 255, 255, 0.2); transform: scale(1.1) rotate(-5deg); }
.subject-name-lg { font-size: 1.5rem; font-weight: 700; margin-bottom: 0.75rem; color: var(--text-primary); transition: color var(--transition-base); }
.subject-card-lg:hover .subject-name-lg { color: white; }
.subject-desc { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.6; margin-bottom: 1.25rem; transition: color var(--transition-base); }
.subject-card-lg:hover .subject-desc { color: rgba(255, 255, 255, 0.9); }
.subject-meta { display: flex; justify-content: center; gap: 1.5rem; padding-top: 1.25rem; border-top: 0.0625rem solid var(--border-color); transition: border-color var(--transition-base); }
.subject-card-lg:hover .subject-meta { border-color: rgba(255, 255, 255, 0.2); }
.subject-meta-item { text-align: center; }
.subject-meta-value { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; color: var(--accent-primary); transition: color var(--transition-base); }
.subject-card-lg:hover .subject-meta-value { color: white; }
.subject-meta-label { font-size: 0.8rem; color: var(--text-muted); transition: color var(--transition-base); }
.subject-card-lg:hover .subject-meta-label { color: rgba(255, 255, 255, 0.7); }
@media (max-width: 62em) { .subjects-grid-lg { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 37.5em) { .subjects-grid-lg { grid-template-columns: 1fr; } }

/* === grades.html === */
.grades-detailed { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.grade-detail-card { background: var(--bg-card); border: 0.0625rem solid var(--border-color); border-radius: var(--radius-xl); padding: 2.5rem; transition: all var(--transition-base); text-decoration: none; display: block; }
.grade-detail-card:hover { border-color: var(--accent-secondary); transform: translateY(-0.375rem); box-shadow: var(--shadow-lg); }
.grade-header { display: flex; align-items: center; gap: 1.5rem; margin-bottom: 1.5rem; }
.grade-badge { width: 6.25rem; height: 6.25rem; background: var(--gradient-secondary); border-radius: var(--radius-xl); display: flex; align-items: center; justify-content: center; transition: transform var(--transition-bounce); }
.grade-detail-card:hover .grade-badge { transform: scale(1.1) rotate(3deg); }
.grade-badge-text { font-family: var(--font-display); font-size: 2.5rem; font-weight: 800; color: white; }
.grade-info h3 { font-size: 1.75rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--text-primary); }
.grade-info p { color: var(--text-secondary); font-size: 1rem; }
.grade-content { padding-top: 1.5rem; border-top: 0.0625rem solid var(--border-color); }
.grade-content h4 { font-size: 1rem; font-weight: 600; margin-bottom: 1rem; color: var(--text-primary); }
.grade-subjects-list { display: flex; flex-wrap: wrap; gap: 0.625rem; margin-bottom: 1.5rem; }
.grade-subject-tag { padding: 0.5rem 1rem; background: var(--bg-tertiary); border: 0.0625rem solid var(--border-color); border-radius: var(--radius-full); font-size: 0.9rem; color: var(--text-secondary); transition: all var(--transition-fast); }
.grade-detail-card:hover .grade-subject-tag { border-color: var(--accent-secondary); color: var(--accent-secondary); }
.grade-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.grade-stat { text-align: center; padding: 1rem; background: var(--bg-tertiary); border-radius: var(--radius-md); }
.grade-stat-value { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; color: var(--accent-primary); }
.grade-stat-label { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.25rem; }
@media (max-width: 62em) { .grades-detailed { grid-template-columns: 1fr; } }

/* === testimonials.html === */
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.testimonial-card { background: var(--bg-card); border: 0.0625rem solid var(--border-color); border-radius: var(--radius-xl); padding: 2rem; transition: all var(--transition-base); }
.testimonial-card:hover { border-color: var(--accent-primary); transform: translateY(-0.25rem); }
.testimonial-card.featured { grid-column: span 2; background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(239, 68, 68, 0.05) 100%); border-color: rgba(245, 158, 11, 0.3); }
.testimonial-rating { display: flex; gap: 0.25rem; margin-bottom: 1rem; }
.testimonial-star { color: var(--accent-primary); }
.testimonial-content { font-size: 1.05rem; line-height: 1.7; color: var(--text-secondary); margin-bottom: 1.5rem; font-style: italic; }
.testimonial-card.featured .testimonial-content { font-size: 1.2rem; }
.testimonial-author { display: flex; align-items: center; gap: 1rem; }
.testimonial-avatar { width: 3.5rem; height: 3.5rem; border-radius: var(--radius-lg); background: var(--gradient-secondary); display: flex; align-items: center; justify-content: center; font-weight: 600; font-size: 1.25rem; color: white; }
.testimonial-name { font-weight: 600; font-size: 1.1rem; margin-bottom: 0.25rem; }
.testimonial-meta { font-size: 0.9rem; color: var(--text-muted); }
.stats-banner { background: var(--bg-secondary); padding: 3.75rem 0; }
.stats-row { display: flex; justify-content: center; gap: 5rem; }
.stat-item { text-align: center; }
.stat-number { font-family: var(--font-display); font-size: 3rem; font-weight: 800; background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.stat-text { color: var(--text-secondary); margin-top: 0.5rem; }
@media (max-width: 62em) { .testimonials-grid { grid-template-columns: 1fr; } .testimonial-card.featured { grid-column: span 1; } .stats-row { flex-wrap: wrap; gap: 2.5rem; } }

/* === privacy.html === */
.legal-content { max-width: 50rem; margin: 0 auto; }
.legal-content h2 { font-size: 1.5rem; margin: 3rem 0 1rem; color: var(--text-primary); }
.legal-content h3 { font-size: 1.2rem; margin: 2rem 0 0.75rem; color: var(--text-primary); }
.legal-content p { color: var(--text-secondary); line-height: 1.8; margin-bottom: 1rem; }
.legal-content ul { color: var(--text-secondary); line-height: 1.8; margin-bottom: 1rem; padding-left: 1.5rem; }
.legal-content li { margin-bottom: 0.5rem; }
.legal-updated { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 2rem; }

/* === help.html === */
.help-search { max-width: 37.5rem; margin: 0 auto 3rem; position: relative; }
.help-search input { width: 100%; padding: 1.25rem 1.5rem 1.25rem 3.5rem; font-size: 1.1rem; }
.help-search i { position: absolute; left: 1.25rem; top: 50%; transform: translateY(-50%); color: var(--text-muted); }
.help-categories { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.help-category { background: var(--bg-card); border: 0.0625rem solid var(--border-color); border-radius: var(--radius-xl); padding: 2rem; text-align: center; transition: all var(--transition-base); text-decoration: none; }
.help-category:hover { border-color: var(--accent-primary); transform: translateY(-0.25rem); }
.help-category-icon { width: 4rem; height: 4rem; background: rgba(245, 158, 11, 0.1); border-radius: var(--radius-lg); display: flex; align-items: center; justify-content: center; margin: 0 auto 1.25rem; color: var(--accent-primary); }
.help-category:hover .help-category-icon { background: var(--gradient-primary); color: white; }
.help-category h3 { font-size: 1.2rem; font-weight: 600; margin-bottom: 0.5rem; color: var(--text-primary); }
.help-category p { color: var(--text-secondary); font-size: 0.95rem; }
@media (max-width: 48em) { .help-categories { grid-template-columns: 1fr; } }

/* === schools.html === */
.schools-hero { padding: 10rem 0 5rem; }
.schools-hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3.75rem; align-items: center; }
.schools-hero-content h1 { font-size: clamp(2.5rem, 4vw, 3.5rem); margin-bottom: 1.5rem; }
.schools-hero-content p { font-size: 1.2rem; color: var(--text-secondary); margin-bottom: 2rem; line-height: 1.7; }
.schools-hero-visual { background: var(--bg-card); border: 0.0625rem solid var(--border-color); border-radius: var(--radius-2xl); padding: 2.5rem; }
.schools-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.schools-stat { text-align: center; padding: 1.5rem; background: var(--bg-tertiary); border-radius: var(--radius-lg); }
.schools-stat-value { font-family: var(--font-display); font-size: 2.5rem; font-weight: 700; background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.schools-stat-label { color: var(--text-muted); margin-top: 0.5rem; }
.benefits-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.benefit-card { background: var(--bg-card); border: 0.0625rem solid var(--border-color); border-radius: var(--radius-xl); padding: 2rem; }
.benefit-icon { width: 3.5rem; height: 3.5rem; background: rgba(6, 182, 212, 0.1); border-radius: var(--radius-lg); display: flex; align-items: center; justify-content: center; margin-bottom: 1.25rem; color: var(--accent-secondary); }
.benefit-title { font-size: 1.2rem; font-weight: 600; margin-bottom: 0.75rem; }
.benefit-description { color: var(--text-secondary); line-height: 1.6; }
.pricing-school { background: var(--bg-card); border: 0.0625rem solid var(--border-color); border-radius: var(--radius-2xl); padding: 3rem; max-width: 37.5rem; margin: 0 auto; text-align: center; }
.pricing-school h3 { font-size: 1.75rem; margin-bottom: 1rem; }
.pricing-school p { color: var(--text-secondary); margin-bottom: 2rem; }
.pricing-features-inline { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; margin-bottom: 2rem; }
.pricing-features-inline span { display: flex; align-items: center; gap: 0.5rem; color: var(--text-secondary); }
.pricing-features-inline i { color: var(--accent-success); }
@media (max-width: 62em) { .schools-hero-grid { grid-template-columns: 1fr; } .benefits-grid { grid-template-columns: 1fr; } }

/* === careers.html === */
.jobs-grid { display: flex; flex-direction: column; gap: 1rem; max-width: 50rem; margin: 0 auto; }
.job-card { background: var(--bg-card); border: 0.0625rem solid var(--border-color); border-radius: var(--radius-xl); padding: 1.75rem; display: flex; justify-content: space-between; align-items: center; transition: all var(--transition-base); }
.job-card:hover { border-color: var(--accent-primary); transform: translateX(0.5rem); }
.job-info h3 { font-size: 1.2rem; font-weight: 600; margin-bottom: 0.5rem; }
.job-meta { display: flex; gap: 1rem; color: var(--text-muted); font-size: 0.9rem; }
.job-meta span { display: flex; align-items: center; gap: 0.375rem; }
.perks-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.perk-card { background: var(--bg-card); border: 0.0625rem solid var(--border-color); border-radius: var(--radius-xl); padding: 1.75rem; text-align: center; }
.perk-icon { width: 3.5rem; height: 3.5rem; background: rgba(6, 182, 212, 0.1); border-radius: var(--radius-lg); display: flex; align-items: center; justify-content: center; margin: 0 auto 1rem; color: var(--accent-secondary); }
.perk-title { font-size: 1.1rem; font-weight: 600; margin-bottom: 0.5rem; }
.perk-desc { color: var(--text-secondary); font-size: 0.95rem; }
@media (max-width: 48em) { .job-card { flex-direction: column; align-items: flex-start; gap: 1rem; } .perks-grid { grid-template-columns: 1fr; } }

/* === blog.html === */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.blog-card { background: var(--bg-card); border: 0.0625rem solid var(--border-color); border-radius: var(--radius-xl); overflow: hidden; transition: all var(--transition-base); text-decoration: none; display: block; }
.blog-card:hover { border-color: var(--accent-primary); transform: translateY(-0.5rem); box-shadow: var(--shadow-lg); }
.blog-image { height: 12.5rem; background: var(--gradient-primary); display: flex; align-items: center; justify-content: center; }
.blog-image i { width: 3rem; height: 3rem; color: white; opacity: 0.8; }
.blog-content { padding: 1.75rem; }
.blog-category { display: inline-block; padding: 0.375rem 0.75rem; background: rgba(245, 158, 11, 0.1); border-radius: var(--radius-full); font-size: 0.8rem; font-weight: 600; color: var(--accent-primary); margin-bottom: 0.75rem; }
.blog-title { font-size: 1.25rem; font-weight: 600; margin-bottom: 0.75rem; color: var(--text-primary); line-height: 1.4; }
.blog-excerpt { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.6; margin-bottom: 1rem; }
.blog-meta { display: flex; align-items: center; gap: 0.75rem; color: var(--text-muted); font-size: 0.85rem; }
.blog-featured { grid-column: span 2; }
.blog-featured .blog-image { height: 18.75rem; }
.blog-featured .blog-title { font-size: 1.75rem; }
@media (max-width: 62em) { .blog-grid { grid-template-columns: 1fr; } .blog-featured { grid-column: span 1; } }

/* === chat.html === */
/* Critical inline styles for faster initial render */
:root {
    --bg-primary: #0f0f1a;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #252542;
    --text-primary: #e4e4e7;
    --text-secondary: #a1a1aa;
    --accent-primary: #6366f1;
    --accent-secondary: #818cf8;
    --success: #22c55e;
    --warning: #f59e0b;
    --error: #ef4444;
    --border-color: #2e2e4a;
}

[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f4f4f5;
    --bg-tertiary: #e4e4e7;
    --text-primary: #18181b;
    --text-secondary: #52525b;
    --border-color: #d4d4d8;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    min-height: 100dvh;
}

/* === faq.html === */
.faq-page .faq-list { max-width: 50rem; margin: 0 auto; display: flex; flex-direction: column; gap: 0.75rem; }
.faq-page .faq-item { background: var(--bg-secondary); border: 0.0625rem solid var(--border); border-radius: 0.75rem; overflow: hidden; }
.faq-page .faq-question { width: 100%; padding: 1.25rem 1.5rem; display: flex; align-items: center; justify-content: space-between; background: none; border: none; color: var(--text-primary); font-size: 1rem; font-weight: 500; cursor: pointer; text-align: left; font-family: inherit; }
.faq-page .faq-question:hover { color: var(--primary); }
.faq-page .faq-question i { transition: transform 0.2s; flex-shrink: 0; margin-left: 0.75rem; }
.faq-page .faq-item.open .faq-question i { transform: rotate(180deg); }
.faq-page .faq-answer { padding: 0 1.5rem; max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; color: var(--text-secondary); line-height: 1.7; font-size: 0.95rem; }
.faq-page .faq-item.open .faq-answer { max-height: 25rem; padding: 0 1.5rem 1.25rem; }

/* === Shared skeleton loading styles === */
.skeleton { background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-secondary) 50%, var(--bg-tertiary) 75%); background-size: 200% 100%; animation: shimmer 1.5s infinite; border-radius: 0.5rem; }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
.skeleton-title { height: 2.5rem; width: 60%; margin-bottom: 1rem; }
.skeleton-text { height: 1.125rem; width: 100%; margin-bottom: 0.625rem; }
.skeleton-card { height: 10rem; width: 100%; margin-bottom: 0.75rem; border-radius: 0.75rem; }

/* === grade_detail.html === */
.grade-detail-page .subjects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(17.5rem, 1fr)); gap: 1.5rem; margin-top: 1.5rem; }
.grade-detail-page .subject-card { background: var(--bg-secondary); border: 0.0625rem solid var(--border); border-radius: 1rem; padding: 1.75rem; transition: border-color 0.2s, transform 0.2s; text-decoration: none; color: inherit; display: block; }
.grade-detail-page .subject-card:hover { border-color: var(--primary); transform: translateY(-0.125rem); }
.grade-detail-page .subject-card-icon { width: 3rem; height: 3rem; border-radius: 0.75rem; background: var(--bg-tertiary); display: flex; align-items: center; justify-content: center; margin-bottom: 1rem; }
.grade-detail-page .subject-card-icon i { width: 1.5rem; height: 1.5rem; color: var(--primary); }
.grade-detail-page .subject-card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.grade-detail-page .subject-card p { color: var(--text-secondary); font-size: 0.9rem; }
.grade-detail-page .not-found { text-align: center; padding: 5rem 0; }

/* === subject_detail.html === */
.subject-detail-page .subject-hero { display: flex; align-items: center; gap: 1.5rem; margin-bottom: 2rem; }
.subject-detail-page .subject-icon { width: 5rem; height: 5rem; border-radius: 1rem; background: var(--bg-tertiary); display: flex; align-items: center; justify-content: center; }
.subject-detail-page .subject-icon i { width: 2.5rem; height: 2.5rem; color: var(--primary); }
.subject-detail-page .subject-meta { display: flex; gap: 1rem; margin-top: 0.5rem; color: var(--text-secondary); font-size: 0.9rem; }
.subject-detail-page .chapters-list { display: flex; flex-direction: column; gap: 0.75rem; margin-top: 1.5rem; }
.subject-detail-page .chapter-card { background: var(--bg-secondary); border: 0.0625rem solid var(--border); border-radius: 0.75rem; padding: 1.25rem 1.5rem; display: flex; align-items: center; justify-content: space-between; transition: border-color 0.2s; }
.subject-detail-page .chapter-card:hover { border-color: var(--primary); }
.subject-detail-page .chapter-number { color: var(--primary); font-weight: 600; margin-right: 1rem; font-size: 0.9rem; }
.subject-detail-page .chapter-name { font-weight: 500; }
.subject-detail-page .not-found { text-align: center; padding: 5rem 0; }
.subject-detail-page .not-found h2 { margin-bottom: 1rem; }

/* === help_article.html === */
.help-article-page .skeleton-title { width: 60%; }
.help-article-page .help-layout { display: grid; grid-template-columns: 17.5rem 1fr; gap: 3rem; align-items: start; }
@media (max-width: 56.25em) { .help-article-page .help-layout { grid-template-columns: 1fr; } }
.help-article-page .help-sidebar { position: sticky; top: 6.25rem; }
.help-article-page .help-sidebar-card { background: var(--bg-secondary); border: 0.0625rem solid var(--border); border-radius: 1rem; padding: 1.5rem; }
.help-article-page .help-sidebar-card h3 { font-size: 1rem; margin-bottom: 1rem; }
.help-article-page .help-nav-link { display: block; padding: 0.625rem 0; border-bottom: 0.0625rem solid var(--border); text-decoration: none; color: var(--text-secondary); font-size: 0.9rem; transition: color 0.2s; }
.help-article-page .help-nav-link:last-child { border-bottom: none; }
.help-article-page .help-nav-link:hover, .help-article-page .help-nav-link.active { color: var(--primary); }
.help-article-page .help-content { line-height: 1.8; color: var(--text-secondary); }
.help-article-page .help-content h2, .help-article-page .help-content h3 { color: var(--text-primary); margin: 1.75rem 0 0.75rem; }
.help-article-page .help-content p { margin-bottom: 1rem; }
.help-article-page .not-found { text-align: center; padding: 5rem 0; }

/* === blog_post.html === */
.blog-post-page .skeleton-title { width: 70%; }
.blog-post-page .blog-layout { display: grid; grid-template-columns: 1fr 20rem; gap: 3rem; align-items: start; }
@media (max-width: 56.25em) { .blog-post-page .blog-layout { grid-template-columns: 1fr; } }
.blog-post-page .blog-content { line-height: 1.8; color: var(--text-secondary); }
.blog-post-page .blog-content h2, .blog-post-page .blog-content h3 { color: var(--text-primary); margin: 2rem 0 1rem; }
.blog-post-page .blog-content p { margin-bottom: 1rem; }
.blog-post-page .blog-meta { display: flex; align-items: center; gap: 1rem; margin-bottom: 2rem; color: var(--text-secondary); font-size: 0.9rem; }
.blog-post-page .blog-author-avatar { width: 2.5rem; height: 2.5rem; border-radius: 50%; background: var(--bg-tertiary); display: flex; align-items: center; justify-content: center; }
.blog-post-page .blog-tags { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 2rem; }
.blog-post-page .blog-tag { background: var(--bg-tertiary); border: 0.0625rem solid var(--border); border-radius: 1.25rem; padding: 0.25rem 0.875rem; font-size: 0.8rem; color: var(--text-secondary); }
.blog-post-page .sidebar { position: sticky; top: 6.25rem; }
.blog-post-page .sidebar-card { background: var(--bg-secondary); border: 0.0625rem solid var(--border); border-radius: 1rem; padding: 1.5rem; margin-bottom: 1.5rem; }
.blog-post-page .sidebar-card h3 { font-size: 1rem; margin-bottom: 1rem; }
.blog-post-page .related-post { display: block; padding: 0.75rem 0; border-bottom: 0.0625rem solid var(--border); text-decoration: none; color: var(--text-primary); font-size: 0.9rem; transition: color 0.2s; }
.blog-post-page .related-post:last-child { border-bottom: none; }
.blog-post-page .related-post:hover { color: var(--primary); }
.blog-post-page .not-found { text-align: center; padding: 5rem 0; }