/* ===================================
   COMPONENT: Detailed Screenshots Page
   Purpose: Screenshot gallery with accordion sections and lightbox
   Dependencies: main.css, sections.css
   =================================== */

/* Italic hint line in hero */
.screenshots-hero__hint {
    font-style: italic;
    opacity: 0.8;
}

/* -----------------------------------------------
   Content wrapper (below hero section)
----------------------------------------------- */
.screenshots-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

/* -----------------------------------------------
   Table of Contents
----------------------------------------------- */
.screenshots-toc {
    background: var(--white-60);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    box-shadow: 0 4px 16px var(--black-06);
    border: 1px solid var(--color-blue-10);
    margin-bottom: var(--space-10);
}

[data-theme="dark"] .screenshots-toc {
    background: var(--color-neutral-900-96);
    box-shadow: 0 12px 32px var(--black-30);
    border-color: var(--color-blue-light-18);
}

.screenshots-toc__title {
    font-size: var(--text-xl);
    font-weight: 800;
    color: var(--color-text-primary);
    margin-bottom: var(--space-4);
}

[data-theme="dark"] .screenshots-toc__title {
    color: var(--color-text-on-dark);
}

.screenshots-toc__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-2);
}

.screenshots-toc__link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.screenshots-toc__link:hover {
    background-color: var(--color-blue-10);
    color: var(--color-blue);
}

[data-theme="dark"] .screenshots-toc__link {
    color: var(--color-text-on-dark);
}

[data-theme="dark"] .screenshots-toc__link:hover {
    background-color: var(--color-blue-light-15);
}

.screenshots-toc__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background-color: var(--color-blue);
    color: var(--color-neutral-50);
    border-radius: 50%;
    font-size: var(--text-sm);
    font-weight: 600;
    flex-shrink: 0;
}

/* -----------------------------------------------
   Accordion layout
----------------------------------------------- */
.screenshots-accordion {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

/* Each accordion card */
.screenshot-section {
    background: var(--white-60);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-blue-10);
    box-shadow: 0 4px 16px var(--black-06);
    overflow: hidden;
}

[data-theme="dark"] .screenshot-section {
    background: var(--color-neutral-900-96);
    border-color: var(--color-blue-light-18);
    box-shadow: 0 12px 32px var(--black-30);
}

/* -----------------------------------------------
   Toggle button (section header)
----------------------------------------------- */
.screenshot-section__toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-5) var(--space-8);
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
}

.screenshot-section__title {
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 0;
    flex: 1;
}

[data-theme="dark"] .screenshot-section__title {
    color: var(--color-text-on-dark);
}

/* Chevron icon — CSS-drawn, no SVG needed */
.screenshot-section__toggle-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    color: var(--color-blue);
}

.screenshot-section__toggle-icon::before {
    content: '';
    display: block;
    width: 9px;
    height: 9px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg) translateY(-3px);
    transition: transform var(--transition-normal);
}

.screenshot-section--open .screenshot-section__toggle-icon::before {
    transform: rotate(-135deg) translateY(-3px);
}

/* -----------------------------------------------
   Collapsible body — CSS grid animation trick
   Smooth height transition without JS measurements
----------------------------------------------- */
.screenshot-section__body {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows var(--transition-normal);
}

.screenshot-section--open .screenshot-section__body {
    grid-template-rows: 1fr;
}

.screenshot-section__body-inner {
    overflow: hidden;
    padding: 0 var(--space-8);
}

.screenshot-section--open .screenshot-section__body-inner {
    padding-bottom: var(--space-8);
}

/* -----------------------------------------------
   Section description (inside accordion body)
----------------------------------------------- */
.screenshot-section__description {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

[data-theme="dark"] .screenshot-section__description {
    color: var(--color-text-on-dark);
}

/* -----------------------------------------------
   Individual screenshot items
----------------------------------------------- */
.screenshot-item {
    margin-bottom: var(--space-10);
}

.screenshot-item:last-child {
    margin-bottom: 0;
}

.screenshot-item__image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: 0 12px 32px var(--black-15);
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    display: block;
}

.screenshot-item__image:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 40px var(--black-20);
}

.screenshot-item__caption {
    margin-top: var(--space-4);
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

[data-theme="dark"] .screenshot-item__caption {
    color: var(--color-text-on-dark);
}

/* -----------------------------------------------
   Lightbox
----------------------------------------------- */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--black-95);
    z-index: var(--z-modal);
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}

.lightbox.is-active {
    display: flex;
}

.lightbox__close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    background: var(--white-10);
    border: none;
    color: var(--color-neutral-50);
    font-size: 2rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast);
    z-index: calc(var(--z-modal) + 1);
}

.lightbox__close:hover {
    background: var(--white-20);
}

.lightbox__image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: var(--radius-md);
}

/* -----------------------------------------------
   Responsive
----------------------------------------------- */
@media (max-width: 768px) {
    .screenshots-content {
        padding: 0 var(--space-4);
    }

    .screenshots-toc__list {
        grid-template-columns: 1fr;
    }

    .screenshot-section__toggle {
        padding: var(--space-4) var(--space-5);
    }

    .screenshot-section__body-inner {
        padding: 0 var(--space-5);
    }

    .screenshot-section--open .screenshot-section__body-inner {
        padding-bottom: var(--space-6);
    }

    .lightbox__close {
        top: var(--space-2);
        right: var(--space-2);
        width: 40px;
        height: 40px;
        font-size: var(--text-2xl);
    }
}