/**
 * Character Gallery Component - Theme Integration
 *
 * Professional character showcase for "Wie is wie?" page with three
 * layout options optimized for character discovery.
 *
 * Layouts:
 * - Grid: Standard responsive grid (3→2→1 columns)
 * - Featured: Hero layout with 1 large featured character + grid
 * - Compact: Dense layout with more characters per row (4→3→2)
 *
 * Built with modern design system patterns from quote-showcase and
 * new-story-showcase components.
 */

/* =================================================================
   MAIN CONTAINER
   ================================================================= */

.qm-character-gallery {
    /* Design system variables */
    --gap-size: var(--qm-gap-default, 20px);
    --border-radius: var(--qm-border-radius-lg, 12px);
    --bg-color: var(--qm-bg-muted, transparent);
    --text-color: var(--qm-text-primary, inherit);
    --character-color: var(--qm-accent-color, #007cba);
    --shadow: var(--qm-shadow, 0 2px 8px rgba(0,0,0,0.08));
    --hover-shadow: var(--qm-shadow-lg, 0 6px 20px rgba(0,0,0,0.15));
    --transition: var(--qm-transition, all 0.3s ease);

    margin: 0;
    background-color: var(--bg-color);
    border-radius: var(--border-radius);
}

.qm-character-gallery-title {
    font-size: var(--qm-text-2xl, 1.75rem);
    font-weight: var(--qm-font-bold, 700);
    margin: 0 0 var(--qm-space-xl, 2rem) 0;
    text-align: center;
    color: var(--text-color);
}

/* =================================================================
   CHARACTER GRID - Responsive Foundation
   ================================================================= */

.qm-character-grid {
    display: grid;
    gap: var(--gap-size);
    grid-template-columns: 1fr;
}

/* =================================================================
   CHARACTER ITEMS - Card Structure
   ================================================================= */

.qm-character-item {
    background: transparent;
    padding: var(--qm-space-lg, 1.5rem);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    height: 100%;
    /* Prevent overlay from spilling over to other cards */
    z-index: 1;
}

.qm-character-item:hover,
.qm-character-item:focus,
.qm-character-item:focus-within {
    z-index: 100;
}

/* =================================================================
   CHARACTER IMAGES
   ================================================================= */

.qm-character-gallery .qm-character-image {
    width: 100%;
    max-width: 150px;
    margin-bottom: var(--qm-space-md, 1rem);
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
}

/* Aspect ratios */
.qm-character-gallery.qm-aspect-square .qm-character-image {
    aspect-ratio: 1/1;
}

.qm-character-gallery.qm-aspect-portrait .qm-character-image {
    aspect-ratio: 3/4;
}

.qm-character-gallery.qm-aspect-circle .qm-character-image {
    border-radius: 50%;
    aspect-ratio: 1/1;
}

.qm-character-gallery.qm-aspect-wide .qm-character-image {
    aspect-ratio: 4/3;
}

/* Image element */
.qm-character-gallery .qm-character-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.qm-character-gallery.qm-hover-effects .qm-character-image:hover img {
    transform: scale(1.05);
}

/* Image placeholder (no image fallback) */
.qm-character-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: var(--qm-font-bold, 700);
    color: var(--character-color);
    text-transform: uppercase;
    background: color-mix(in srgb, var(--character-color) 10%, transparent);
    border: 2px solid var(--character-color);
    border-radius: inherit;
}

/* =================================================================
   CHARACTER TEXT CONTENT
   ================================================================= */

/* Character names */
.qm-character-name {
    font-size: var(--qm-text-xl, 1.25rem);
    font-weight: var(--qm-font-semibold, 600);
    margin: 0 0 var(--qm-space-sm, 0.75rem) 0;
    line-height: var(--qm-leading-tight, 1.2);
    color: var(--text-color);
}

.qm-compact-names .qm-character-name {
    font-size: var(--qm-text-lg, 1.1rem);
}

/* Character descriptions */
.qm-character-description {
    font-size: var(--qm-text-sm, 0.9rem);
    line-height: var(--qm-leading-relaxed, 1.5);
    color: var(--qm-text-secondary, #555);
    margin: 0;
}

/* =================================================================
   LAYOUT: GRID (Standard 3→2→1 responsive)
   ================================================================= */

/* Mobile: 1 column */
.qm-layout-grid .qm-character-grid {
    grid-template-columns: 1fr;
}

/* Tablet: 2 columns */
@media (min-width: 640px) {
    .qm-layout-grid .qm-character-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop: 3 columns */
@media (min-width: 900px) {
    .qm-layout-grid .qm-character-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* =================================================================
   LAYOUT: FEATURED (Hero + Grid)
   1 large featured character + smaller grid for rest
   ================================================================= */

/* Mobile: All stacked */
.qm-layout-featured .qm-character-grid {
    grid-template-columns: 1fr;
}

/* Featured character styling */
.qm-layout-featured .qm-character-featured {
    padding: var(--qm-space-2xl, 2.5rem);
}

.qm-character-gallery.qm-layout-featured .qm-character-featured .qm-character-image {
    max-width: 200px;
}

.qm-layout-featured .qm-character-featured .qm-character-name {
    font-size: var(--qm-text-2xl, 1.75rem);
}

.qm-layout-featured .qm-character-featured .qm-character-description {
    font-size: var(--qm-text-base, 1rem);
}

/* Tablet: Featured spans 2 columns, grid 2 columns */
@media (min-width: 640px) {
    .qm-layout-featured .qm-character-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .qm-layout-featured .qm-character-featured {
        grid-column: span 2;
    }
}

/* Desktop: Featured spans full width, grid 3 columns below */
@media (min-width: 900px) {
    .qm-layout-featured .qm-character-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .qm-layout-featured .qm-character-featured {
        grid-column: span 3;
    }
}

/* =================================================================
   LAYOUT: COMPACT (Dense 4→3→2)
   More characters visible per row
   ================================================================= */

/* Mobile: 2 columns (compact from start) */
.qm-layout-compact .qm-character-grid {
    grid-template-columns: repeat(2, 1fr);
}

/* Compact styling adjustments */
.qm-layout-compact .qm-character-item {
    padding: var(--qm-space-md, 1rem);
}

.qm-character-gallery.qm-layout-compact .qm-character-image {
    max-width: 100px;
}

.qm-layout-compact .qm-character-name {
    font-size: var(--qm-text-base, 1rem);
    margin-bottom: var(--qm-space-xs, 0.5rem);
}

.qm-layout-compact .qm-character-description {
    font-size: var(--qm-text-xs, 0.8rem);
}

/* Tablet: 3 columns */
@media (min-width: 640px) {
    .qm-layout-compact .qm-character-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Desktop: 4 columns */
@media (min-width: 900px) {
    .qm-layout-compact .qm-character-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* =================================================================
   LAYOUT: ROTATING (Single Card Auto-Rotation)
   One character card at a time, auto-rotates like quote-showcase
   Professional card styling matching wie-is-wie page
   ================================================================= */

.qm-character-rotating-container {
    position: relative;
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    min-height: 380px;
    height: 380px;
}

.qm-character-rotating-card {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    min-height: 380px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
    transform: scale(0.98);

    /* Subtle card styling with character color accent */
    background: linear-gradient(135deg,
        color-mix(in srgb, var(--character-color, #007cba) 8%, transparent) 0%,
        var(--qm-bg-primary, #ffffff) 40%
    );
    border-radius: var(--border-radius);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    padding: var(--qm-space-md, 1rem);

    /* Layout */
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--qm-space-sm, 0.75rem);
    box-sizing: border-box;
}

.qm-character-rotating-card.active {
    opacity: 1;
    pointer-events: auto;
    position: absolute;
    transform: scale(1);
}

/* Rotating mode: responsive images */
.qm-layout-rotating .qm-character-image {
    width: 100%;
    max-width: min(180px, 100%);
    margin-bottom: 0;
    position: relative;
    flex-shrink: 0;
}

.qm-layout-rotating .qm-character-content {
    display: flex;
    flex-direction: column;
    gap: var(--qm-space-md, 1rem);
    width: 100%;
}

.qm-layout-rotating .qm-character-rotating-card .qm-character-name {
    font-size: var(--qm-text-base, 1rem) !important;
    font-weight: var(--qm-font-medium, 500);
    line-height: var(--qm-leading-tight, 1.25);
    margin: 0;
    color: var(--qm-text-primary, #1a1a1a);
}

.qm-layout-rotating .qm-character-description {
    font-size: var(--qm-text-sm, 0.875rem);
    line-height: var(--qm-leading-normal, 1.5);
    color: var(--qm-text-secondary, #555);
    margin: 0;
    max-width: 100%;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Tablet: slightly larger in full-width context */
@media (min-width: 640px) {
    /* Only apply max-width when NOT in a narrow column */
    .qm-character-gallery:not(.is-layout-constrained) .qm-character-rotating-container {
        max-width: 520px;
    }

    .qm-layout-rotating .qm-character-image {
        max-width: min(260px, 100%);
    }

    .qm-character-rotating-card {
        padding: var(--qm-space-xl, 2rem);
    }
}

/* Desktop: hero presentation in full-width context */
@media (min-width: 900px) {
    /* Only apply max-width when NOT in a narrow column */
    .qm-character-gallery:not(.is-layout-constrained) .qm-character-rotating-container {
        max-width: 600px;
    }

    .qm-layout-rotating .qm-character-image {
        max-width: min(300px, 100%);
    }

    .qm-layout-rotating .qm-character-name {
        font-size: var(--qm-text-2xl, 1.875rem);
    }

    .qm-layout-rotating .qm-character-description {
        font-size: var(--qm-text-lg, 1.125rem);
    }

    .qm-character-rotating-card {
        padding: var(--qm-space-2xl, 2.5rem) var(--qm-space-xl, 2rem);
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    }
}

/* Hover effect on rotating cards */
.qm-layout-rotating.qm-hover-effects .qm-character-rotating-card.active:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    transform: scale(1.02);
}

/* Rotating mode: Hover overlay with full description + CTA */
.qm-layout-rotating .qm-character-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(3px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--qm-space-lg, 1.5rem);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    border-radius: var(--border-radius);
    z-index: 10;
}

.qm-layout-rotating .qm-character-rotating-card.active:hover .qm-character-overlay,
.qm-layout-rotating .qm-character-rotating-card.active:focus-within .qm-character-overlay {
    opacity: 1;
    pointer-events: auto;
}

.qm-layout-rotating .qm-overlay-description {
    font-size: var(--qm-text-sm, 0.875rem);
    line-height: var(--qm-leading-relaxed, 1.6);
    color: var(--qm-text-secondary, #333);
    margin: 0 0 var(--qm-space-md, 1rem) 0;
    max-height: 180px;
    overflow-y: auto;
}

.qm-layout-rotating .qm-character-btn {
    padding: var(--qm-space-sm, 0.75rem) var(--qm-space-lg, 1.5rem);
    border-radius: var(--qm-border-radius-md, 8px);
    font-weight: var(--qm-font-semibold, 600);
    text-decoration: none;
    display: inline-block;
    transition: all 0.2s ease;
    font-size: var(--qm-text-sm, 0.875rem);
    background: var(--qm-accent-color, #007cba);
    color: #fff;
}

.qm-layout-rotating .qm-character-btn:hover {
    background: color-mix(in srgb, var(--qm-accent-color, #007cba) 85%, black);
    transform: translateY(-2px);
}

/* Reduced motion: disable transitions */
@media (prefers-reduced-motion: reduce) {
    .qm-character-rotating-card {
        transition: none;
    }

    .qm-layout-rotating.qm-hover-effects .qm-character-rotating-card.active:hover {
        transform: none;
    }
}

/* =================================================================
   SPACING VARIATIONS
   ================================================================= */

.qm-spacing-compact {
    --gap-size: var(--qm-gap-compact, 15px);
}

.qm-spacing-wide {
    --gap-size: var(--qm-gap-wide, 30px);
}

.qm-spacing-extra-wide {
    --gap-size: var(--qm-gap-extra-wide, 40px);
}

/* =================================================================
   EMPTY STATE
   ================================================================= */

.qm-character-gallery-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--qm-space-2xl, 3rem) var(--qm-space-md, 1rem);
    color: var(--qm-text-muted, #666);
    font-style: italic;
}

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

@media (max-width: 639px) {
    .qm-character-item {
        padding: var(--qm-space-md, 1rem);
    }

    .qm-character-name {
        font-size: var(--qm-text-lg, 1.1rem);
    }

    .qm-character-description {
        font-size: 0.85rem;
    }

    /* Featured layout mobile: reduce featured character size */
    .qm-layout-featured .qm-character-featured {
        padding: var(--qm-space-lg, 1.5rem);
    }

    .qm-character-gallery.qm-layout-featured .qm-character-featured .qm-character-image {
        max-width: 150px;
    }

    .qm-layout-featured .qm-character-featured .qm-character-name {
        font-size: var(--qm-text-xl, 1.5rem);
    }
}

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

/* High contrast mode */
@media (prefers-contrast: high) {
    .qm-character-item {
        border-width: 2px;
        border-color: #000;
    }

    .qm-character-description {
        color: #000;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .qm-character-gallery .qm-character-item,
    .qm-character-gallery .qm-character-image img {
        transition: none;
    }

    .qm-character-gallery.qm-hover-effects .qm-character-item:hover {
        transform: none;
    }

    .qm-character-gallery.qm-hover-effects .qm-character-image:hover img {
        transform: none;
    }
}

/* =================================================================
   INTERACTIVE: EXPANDABLE CARDS & MODAL
   ================================================================= */

/* Make cards clickable */
.qm-character-item {
    cursor: pointer;
    transition: all 0.3s ease;
}

/* Expand indicator */
.qm-expand-indicator {
    display: inline-block;
    margin-left: 0.5rem;
    font-size: 0.75em;
    transition: transform 0.3s ease;
    color: var(--qm-text-muted, #666);
}

/* Hidden details section */
.qm-character-details {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.4s ease, opacity 0.3s ease, padding 0.3s ease;
    padding: 0;
}

/* Expanded state (desktop) */
.qm-character-expanded .qm-character-details {
    max-height: 800px;
    opacity: 1;
    padding-top: var(--qm-space-md, 1rem);
}

/* Hide excerpt when expanded, show full description */
.qm-character-expanded .qm-character-excerpt {
    display: none;
}

.qm-character-full {
    display: none;
}

.qm-character-expanded .qm-character-full {
    display: block;
}

/* =================================================================
   HOVER OVERLAY - Full Description + CTA
   ================================================================= */

.qm-character-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(3px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--qm-space-lg, 1.5rem);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    border-radius: var(--border-radius);
    z-index: 10;
    overflow-y: auto;
}

.qm-character-item:hover .qm-character-overlay,
.qm-character-item:focus .qm-character-overlay,
.qm-character-item:focus-within .qm-character-overlay {
    opacity: 1;
    pointer-events: auto;
}

/* Overlay content wrapper */
.qm-overlay-content {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--qm-space-md, 1rem);
    text-align: center;
}

/* Full description in overlay */
.qm-overlay-description {
    font-size: var(--qm-text-sm, 0.9rem);
    line-height: var(--qm-leading-relaxed, 1.6);
    color: var(--qm-text-secondary, #333);
    margin: 0;
    max-height: 200px;
    overflow-y: auto;
    padding: 0 var(--qm-space-sm, 0.75rem);
    /* Better text rendering */
    text-align: left;
    hyphens: auto;
    word-wrap: break-word;
}

/* Custom scrollbar for long descriptions */
.qm-overlay-description::-webkit-scrollbar {
    width: 6px;
}

.qm-overlay-description::-webkit-scrollbar-track {
    background: rgba(0,0,0,0.05);
    border-radius: 3px;
}

.qm-overlay-description::-webkit-scrollbar-thumb {
    background: rgba(0,0,0,0.2);
    border-radius: 3px;
}

.qm-overlay-description::-webkit-scrollbar-thumb:hover {
    background: rgba(0,0,0,0.3);
}

/* Mobile: Always show overlay content as regular button */
@media (max-width: 768px) {
    .qm-character-overlay {
        position: static;
        background: transparent;
        opacity: 1;
        pointer-events: auto;
        margin-top: var(--qm-space-md, 1rem);
        backdrop-filter: none;
        padding: 0;
    }

    /* Hide full description on mobile (only show truncated) */
    .qm-overlay-description {
        display: none;
    }
}

/* Content area (name + description) */
.qm-character-content {
    width: 100%;
}

/* Character action buttons */
.qm-character-actions {
    display: flex;
    gap: var(--qm-space-sm, 0.75rem);
    margin-top: var(--qm-space-md, 1rem);
    flex-wrap: wrap;
}

.qm-character-btn {
    padding: var(--qm-space-sm, 0.75rem) var(--qm-space-lg, 1.5rem);
    border-radius: var(--qm-border-radius-md, 8px);
    font-weight: var(--qm-font-semibold, 600);
    text-decoration: none;
    display: inline-block;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
    font-size: var(--qm-text-sm, 0.9rem);
}

.qm-btn-primary {
    background: var(--qm-accent-color, #007cba);
    color: #fff;
}

.qm-btn-primary:hover {
    background: color-mix(in srgb, var(--qm-accent-color, #007cba) 85%, black);
    transform: translateY(-2px);
}

.qm-btn-close {
    background: transparent;
    color: var(--qm-text-secondary, #666);
    border: 1px solid var(--qm-border-light, rgba(0,0,0,0.1));
}

.qm-btn-close:hover {
    background: var(--qm-bg-muted, #f5f5f5);
    border-color: var(--qm-border-color, #ddd);
}

/* =================================================================
   MODAL (MOBILE)
   ================================================================= */

.qm-character-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.qm-character-modal.qm-modal-open {
    opacity: 1;
    pointer-events: auto;
}

.qm-modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
}

.qm-modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--qm-bg-primary, #ffffff);
    border-radius: var(--qm-border-radius-lg, 12px);
    max-width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    padding: var(--qm-space-xl, 2rem);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.qm-modal-close {
    position: absolute;
    top: var(--qm-space-md, 1rem);
    right: var(--qm-space-md, 1rem);
    background: transparent;
    border: none;
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    color: var(--qm-text-muted, #666);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.qm-modal-close:hover {
    background: var(--qm-bg-muted, #f5f5f5);
    color: var(--qm-text-primary, #333);
}

.qm-modal-image {
    width: 100%;
    max-width: 200px;
    aspect-ratio: 1/1;
    object-fit: cover;
    border-radius: var(--qm-border-radius-md, 8px);
    margin: 0 auto var(--qm-space-lg, 1.5rem);
    display: block;
}

.qm-modal-title {
    font-size: var(--qm-text-2xl, 1.75rem);
    font-weight: var(--qm-font-bold, 700);
    margin: 0 0 var(--qm-space-md, 1rem) 0;
    text-align: center;
}

.qm-modal-description {
    font-size: var(--qm-text-base, 1rem);
    line-height: var(--qm-leading-relaxed, 1.6);
    color: var(--qm-text-secondary, #555);
    margin-bottom: var(--qm-space-lg, 1.5rem);
}

.qm-modal-actions {
    display: flex;
    justify-content: center;
    gap: var(--qm-space-sm, 0.75rem);
}

/* Desktop: hide modal, use expandable */
@media (min-width: 768px) {
    .qm-character-modal {
        display: none;
    }
}

/* Mobile: hide expand indicator and close button in collapsed state */
@media (max-width: 767px) {
    .qm-expand-indicator,
    .qm-btn-close {
        display: none;
    }
}

/* =================================================================
   PRINT STYLES
   ================================================================= */

@media print {
    .qm-character-gallery {
        break-inside: avoid;
    }

    .qm-character-item {
        border: 1px solid var(--qm-border-color, #ddd);
        break-inside: avoid;
    }

    /* Hide interactive elements */
    .qm-expand-indicator,
    .qm-character-details,
    .qm-character-actions {
        display: none !important;
    }
}