/* ===================================================================
   QUIZ PACKS SECTION - All pages use #pack-container
   =================================================================== */

/* Apply gradient to the section wrapper on homepage */
section#play {
    background: linear-gradient(135deg, var(--color-accent), var(--color-yes));
    padding: var(--spacing-xl) 0;
}

[data-theme="dark"] section#play {
    background: linear-gradient(135deg, #1e1b4b 0%, #0f172a 100%);
}

/* Apply gradient directly to pack-container on standalone pages */
#pack-container {
    background: linear-gradient(135deg, var(--color-accent), var(--color-yes));
    padding: var(--spacing-xl) 0;
    text-align: center;
}

[data-theme="dark"] #pack-container {
    background: linear-gradient(135deg, #1e1b4b 0%, #0f172a 100%);
}

/* Override padding when inside section#play (to avoid double padding) */
section#play #pack-container {
    padding: 0;
    background: transparent;
}

#pack-container .section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-sm);
    color: white;
}

#pack-container .section-subtitle {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-lg);
    color: rgb(255 255 255 / 90%);
}

.quiz-packs-container {
    margin-top: var(--spacing-lg);
}

.packs-section {
    margin-bottom: var(--spacing-lg);
}

.packs-section-title {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
    color: white;
    text-align: center;
}

.packs-section.free-packs .packs-section-title {
    color: white;
}

.pack-count {
    font-size: 1rem;
    font-weight: normal;
    color: rgb(255 255 255 / 80%);
}

.packs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.pack-card {
    position: relative;
    background: white;
    border: 2px solid rgb(255 255 255 / 30%);
    border-radius: 12px;
    padding: var(--spacing-md);
    text-decoration: none;
    color: var(--color-text);
    transition: all 0.3s ease;
    overflow: hidden;
    text-align: left;
    display: flex;
    flex-direction: column;
    min-height: 420px;
    height: auto;
}

/* Dark mode: brighter borders for better visibility */
[data-theme="dark"] .pack-card {
    border-color: rgb(255 255 255 / 15%);
}

[data-theme="dark"] .pack-card:hover {
    border-color: rgb(255 255 255 / 40%);
}

.pack-card:hover {
    transform: translateY(-4px);
    border-color: white;
    box-shadow: 0 12px 32px rgb(0 0 0 / 30%);
}

.pack-card.free {
    border-color: rgb(255 255 255 / 50%);
}

.pack-card.premium {
    border-color: rgb(255 255 255 / 30%);
    opacity: 0.95;
}

.pack-card.premium:hover {
    opacity: 1;
    border-color: white;
}

.pack-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--color-yes);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.pack-card.premium .pack-badge {
    background: var(--color-accent);
}

.pack-name {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-xs);
    color: #1e293b;
}

.pack-desc {
    color: #64748b;
    font-size: 0.95rem;
    line-height: 1.6;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 6;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pack-meta {
    margin-top: var(--spacing-sm);
    display: flex;
    gap: 12px;
    font-size: 0.85rem;
    color: #64748b;
    flex-wrap: wrap;
}

.pack-meta span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.pack-cta-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent);
    color: white;
    padding: 16px 32px;
    border-radius: var(--radius-full);
    font-size: 1.2rem;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 4px 12px rgb(139 92 246 / 30%);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
    width: 100%;
    text-align: center;
    margin-top: auto;
    position: relative;
    z-index: 10;
    overflow: hidden;
    min-height: 56px;
}

.pack-cta-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgb(255 255 255 / 20%);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.pack-cta-btn:hover::before {
    width: 300px;
    height: 300px;
}

.pack-cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgb(139 92 246 / 50%);
    background: #7c3aed;
}

.pack-cta-btn:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgb(139 92 246 / 40%);
}

/* Free and Premium buttons use same simple purple */
.pack-card.free .pack-cta-btn {
    background: var(--color-accent);
    color: white;
}

.pack-card.free .pack-cta-btn:hover {
    background: #7c3aed;
}

.pack-card.premium .pack-cta-btn {
    background: var(--color-accent);
    color: white;
}

.pack-card.premium .pack-cta-btn:hover {
    background: #7c3aed;
}

/* Premium Section Header */
.packs-section-header.premium-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.expand-btn {
    background: white;
    color: var(--color-accent);
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 auto;
}

.expand-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgb(0 0 0 / 20%);
}

.expand-icon {
    transition: transform 0.3s ease;
}

.expand-btn[aria-expanded="true"] .expand-icon {
    transform: rotate(180deg);
}

/* Premium Grid Collapse/Expand */
.premium-grid.collapsed {
    display: none;
}

.premium-grid.expanded {
    display: grid;
    animation: fadeIn 0.4s ease;
}

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

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

/* Unlock CTA */
.unlock-cta {
    text-align: center;
    padding: var(--spacing-lg);
    background: rgb(255 255 255 / 15%);
    border-radius: 12px;
    margin-top: var(--spacing-md);
    backdrop-filter: blur(10px);
}

.unlock-text {
    font-size: 1.2rem;
    color: white;
    margin-bottom: var(--spacing-sm);
}

.unlock-pricing {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
    color: rgb(255 255 255 / 90%);
}

.price-option strong {
    color: white;
    font-weight: 700;
}

.price-option.highlight {
    background: rgb(255 255 255 / 20%);
    padding: 8px 16px;
    border-radius: 8px;
}

.price-divider {
    color: rgb(255 255 255 / 60%);
}

.unlock-cta .hero-btn {
    margin-top: var(--spacing-sm);
}

.cta-note-bottom {
    text-align: center;
    margin-top: var(--spacing-lg);
    color: rgb(255 255 255 / 80%);
    font-size: 0.95rem;
}

/* Loading state */
.quiz-packs-container .loading {
    text-align: center;
    padding: var(--spacing-lg);
    color: rgb(255 255 255 / 80%);
    font-size: 1.1rem;
}

/* Responsive */
@media (width <= 768px) {
    section#play {
        padding: var(--spacing-lg) var(--spacing-md);
        overflow: visible;
    }

    #pack-container {
        padding: var(--spacing-lg) var(--spacing-md);
        overflow: visible;
    }
    
    .quiz-packs-container {
        width: 100%;
        max-width: 100%;
        overflow: visible;
    }
    
    .packs-section {
        width: 100%;
        overflow: visible;
    }
    
    .packs-grid {
        grid-template-columns: 1fr;
        width: 100%;
        overflow: visible;
    }
    
    .packs-section-header.premium-header {
        flex-direction: column;
        align-items: center;
    }
    
    .expand-btn {
        width: 100%;
        justify-content: center;
    }

    .unlock-pricing {
        flex-direction: column;
        gap: 8px;
    }

    .price-divider {
        display: none;
    }

    .pack-card {
        width: 100%;
    }
}