/**
 * Bluesky Discussion Frontend Styles
 * Uses CSS custom properties and respects theme settings
 */

/* ============================================
   CSS Custom Properties
   ============================================ */

.bluesky-discussion-section {
    --bluesky-discussion-primary: #1185fe;
    --bluesky-discussion-bg: #ffffff;
    --bluesky-discussion-text: #1d2327;
    --bluesky-discussion-text-secondary: #666666;
    --bluesky-discussion-text-muted: #999999;
    --bluesky-discussion-border: #e0e0e0;
    --bluesky-discussion-hover-bg: #f8f9fa;
    --bluesky-discussion-card-bg: #ffffff;
    --bluesky-discussion-nested-bg-1: #f9f9f9;
    --bluesky-discussion-nested-bg-2: #f6f7f7;
    --bluesky-discussion-nested-bg-3: #f0f0f1;
    --bluesky-discussion-nested-bg-4: #e8e8e9;
    --bluesky-discussion-shadow: rgba(0, 0, 0, 0.1);
    --bluesky-discussion-radius: 8px;
    --bluesky-discussion-radius-sm: 4px;
    --bluesky-discussion-spacing: 20px;
    --bluesky-discussion-spacing-sm: 12px;
}

/* Dark theme */
[data-theme="dark"] .bluesky-discussion-section,
.bluesky-discussion-section[data-theme="dark"] {
    --bluesky-discussion-bg: #1d2327;
    --bluesky-discussion-text: #f0f0f1;
    --bluesky-discussion-text-secondary: #c3c4c7;
    --bluesky-discussion-text-muted: #999999;
    --bluesky-discussion-border: #3c434a;
    --bluesky-discussion-hover-bg: #2c3338;
    --bluesky-discussion-card-bg: #2c3338;
    --bluesky-discussion-nested-bg-1: #23282d;
    --bluesky-discussion-nested-bg-2: #1d2327;
    --bluesky-discussion-nested-bg-3: #191e23;
    --bluesky-discussion-nested-bg-4: #15191d;
    --bluesky-discussion-shadow: rgba(0, 0, 0, 0.3);
}

/* System preference for dark mode */
@media (prefers-color-scheme: dark) {
    .bluesky-discussion-section:not([data-theme="light"]) {
        --bluesky-discussion-bg: #1d2327;
        --bluesky-discussion-text: #f0f0f1;
        --bluesky-discussion-text-secondary: #c3c4c7;
        --bluesky-discussion-text-muted: #999999;
        --bluesky-discussion-border: #3c434a;
        --bluesky-discussion-hover-bg: #2c3338;
        --bluesky-discussion-card-bg: #2c3338;
        --bluesky-discussion-nested-bg-1: #23282d;
        --bluesky-discussion-nested-bg-2: #1d2327;
        --bluesky-discussion-nested-bg-3: #191e23;
        --bluesky-discussion-nested-bg-4: #15191d;
        --bluesky-discussion-shadow: rgba(0, 0, 0, 0.3);
    }
}

/* ============================================
   Discussion Section Container
   ============================================ */

.bluesky-discussion-section {
    margin: 40px 0;
    clear: both;
}

/* ============================================
   Standalone Discussion (No Comments)
   ============================================ */

.bluesky-discussion-standalone {
    background: var(--bluesky-discussion-card-bg);
    padding: 30px;
    border-radius: var(--bluesky-discussion-radius);
    box-shadow: 0 2px 8px var(--bluesky-discussion-shadow);
}

.bluesky-discussion-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--bluesky-discussion-spacing);
    gap: var(--bluesky-discussion-spacing);
    flex-wrap: wrap;
}

.bluesky-discussion-standalone h2,
.bluesky-discussion-with-comments h2 {
    margin: 0;
    font-size: 24px;
    color: var(--bluesky-discussion-text);
    border-bottom: none;
    padding-bottom: 0;
    flex: 1;
}

/* ============================================
   Discussion with Comments
   ============================================ */

.bluesky-discussion-with-comments {
    background: var(--bluesky-discussion-card-bg);
    padding: 30px;
    border-radius: var(--bluesky-discussion-radius);
    box-shadow: 0 2px 8px var(--bluesky-discussion-shadow);
    margin-top: 40px;
}

/* ============================================
   View on Bluesky Link (in title row)
   ============================================ */

.bluesky-discussion-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--bluesky-discussion-primary);
    color: #ffffff;
    text-decoration: none;
    border-radius: var(--bluesky-discussion-radius-sm);
    font-weight: 600;
    font-size: 14px;
    transition: background 0.3s ease;
    white-space: nowrap;
    flex-shrink: 0;
}

.bluesky-discussion-link:hover {
    background: color-mix(
        in srgb,
        var(--bluesky-discussion-primary),
        black 20%
    );
    color: #ffffff;
    text-decoration: none;
}

.bluesky-discussion-link::before {
    content: "🦋";
    font-size: 18px;
}

/* ============================================
   Discussion Thread
   ============================================ */

.bluesky-discussion-thread {
    margin-top: var(--bluesky-discussion-spacing);
}

.bluesky-discussion-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

/* No Replies State */
.bluesky-no-replies {
    padding: 40px 20px;
    text-align: center;
    background: var(--bluesky-discussion-hover-bg);
    border-radius: 6px;
    color: var(--bluesky-discussion-text-secondary);
}

.bluesky-no-replies p {
    margin: 0;
    font-size: 16px;
    font-style: italic;
}

/* ============================================
   Reply Item (using <li> for semantic HTML)
   ============================================ */

.bluesky-reply {
    padding: var(--bluesky-discussion-spacing);
    margin-bottom: 15px;
    background: var(--bluesky-discussion-card-bg);
    border: 1px solid var(--bluesky-discussion-border);
    border-radius: var(--bluesky-discussion-radius);
    transition: all 0.3s ease;
    list-style: none;
}

.bluesky-reply:hover {
    border-color: var(--bluesky-discussion-primary);
    box-shadow: 0 2px 8px
        color-mix(in srgb, var(--bluesky-discussion-primary) 10%, transparent);
}

/* Nested replies indentation */
.bluesky-reply[data-depth="1"] {
    margin-left: 30px;
    background: var(--bluesky-discussion-nested-bg-1);
}

.bluesky-reply[data-depth="2"] {
    margin-left: 60px;
    background: var(--bluesky-discussion-nested-bg-2);
}

.bluesky-reply[data-depth="3"] {
    margin-left: 90px;
    background: var(--bluesky-discussion-nested-bg-3);
}

.bluesky-reply[data-depth="4"],
.bluesky-reply[data-depth="5"] {
    margin-left: 120px;
    background: var(--bluesky-discussion-nested-bg-4);
}

/* ============================================
   Reply Header
   ============================================ */

.bluesky-reply-header {
    display: flex;
    align-items: center;
    gap: var(--bluesky-discussion-spacing-sm);
    margin-bottom: var(--bluesky-discussion-spacing-sm);
}

.bluesky-reply-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    border: 2px solid var(--bluesky-discussion-border);
}

.bluesky-reply-author {
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 2px;
}

.bluesky-reply-author-name {
    font-weight: 700;
    color: var(--bluesky-discussion-text);
    font-size: 16px;
    line-height: 1.3;
}

.bluesky-reply-author-handle {
    color: var(--bluesky-discussion-text-secondary);
    font-size: 14px;
    line-height: 1.3;
}

.bluesky-reply-time {
    color: var(--bluesky-discussion-text-muted);
    font-size: 13px;
    white-space: nowrap;
}

/* ============================================
   Reply Content
   ============================================ */

.bluesky-reply-content {
    margin: var(--bluesky-discussion-spacing-sm) 0;
    padding-left: 60px; /* Align with avatar */
}

.bluesky-reply-content p {
    margin: 0;
    color: var(--bluesky-discussion-text);
    font-size: 15px;
    line-height: 1.6;
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* ============================================
   Reply Footer (Stats + Actions)
   ============================================ */

.bluesky-reply-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-left: 60px;
    margin-top: var(--bluesky-discussion-spacing-sm);
    flex-wrap: wrap;
    gap: var(--bluesky-discussion-spacing-sm);
}

.bluesky-reply-stats {
    display: flex;
    gap: 16px;
}

.bluesky-reply-stat {
    font-size: 13px;
    color: var(--bluesky-discussion-text-secondary);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-weight: 500;
}

.bluesky-reply-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: color-mix(
        in srgb,
        var(--bluesky-discussion-primary) 10%,
        transparent
    );
    color: var(--bluesky-discussion-primary);
    text-decoration: none;
    border-radius: var(--bluesky-discussion-radius-sm);
    font-size: 13px;
    font-weight: 600;
    border: 1px solid var(--bluesky-discussion-primary);
    transition: all 0.3s ease;
}

.bluesky-reply-link:hover {
    background: var(--bluesky-discussion-primary);
    color: #ffffff;
    text-decoration: none;
}

.bluesky-reply-link::before {
    content: "↩️";
}

/* ============================================
   Nested Replies / Collapse
   ============================================ */

.bluesky-reply-children {
    margin-top: 15px;
    padding-left: 0;
}

.bluesky-nested-replies {
    list-style: none;
    margin: 0;
    padding: 0;
}

.bluesky-reply-children.collapsed .bluesky-nested-replies {
    display: none;
}

.bluesky-toggle-replies {
    display: block;
    width: 100%;
    padding: 10px 15px;
    margin-bottom: 10px;
    background: var(--bluesky-discussion-hover-bg);
    border: 1px solid var(--bluesky-discussion-border);
    border-radius: 6px;
    color: var(--bluesky-discussion-primary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
}

.bluesky-toggle-replies:hover {
    background: color-mix(
        in srgb,
        var(--bluesky-discussion-hover-bg),
        var(--bluesky-discussion-border) 20%
    );
    border-color: var(--bluesky-discussion-primary);
}

.bluesky-toggle-replies::before {
    content: "▶ ";
    display: inline-block;
    transition: transform 0.3s ease;
}

.bluesky-reply-children:not(.collapsed) .bluesky-toggle-replies::before {
    transform: rotate(90deg);
}

/* ============================================
   Media Attachments
   ============================================ */

.bluesky-reply-media {
    margin-top: var(--bluesky-discussion-spacing-sm);
    margin-bottom: var(--bluesky-discussion-spacing-sm);
}

/* Images */
.bluesky-reply-images {
    padding-left: 60px; /* Align with content */
}

.bluesky-images-grid {
    display: grid;
    gap: 8px;
    border-radius: var(--bluesky-discussion-radius);
    overflow: hidden;
}

.bluesky-images-grid.single {
    grid-template-columns: 1fr;
    max-width: 600px;
}

.bluesky-images-grid.double {
    grid-template-columns: repeat(2, 1fr);
}

.bluesky-images-grid.grid {
    grid-template-columns: repeat(2, 1fr);
}

.bluesky-image-wrapper {
    position: relative;
    overflow: hidden;
    background: var(--bluesky-discussion-nested-bg-1);
    border-radius: var(--bluesky-discussion-radius-sm);
}

.bluesky-image-wrapper.is-animated {
    border: 2px solid var(--bluesky-discussion-border);
}

.bluesky-reply-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.bluesky-image-wrapper:hover .bluesky-reply-image {
    transform: scale(1.05);
}

/* Video */
.bluesky-reply-video {
    padding-left: 60px; /* Align with content */
    max-width: 600px;
}

.bluesky-video {
    width: 100%;
    height: auto;
    border-radius: var(--bluesky-discussion-radius);
    background: #000000;
    display: block;
}

/* External Link Preview */
.bluesky-reply-external {
    padding-left: 60px; /* Align with content */
    max-width: 600px;
}

.bluesky-external-link {
    display: flex;
    border: 1px solid var(--bluesky-discussion-border);
    border-radius: var(--bluesky-discussion-radius);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    background: var(--bluesky-discussion-card-bg);
}

.bluesky-external-link:hover {
    border-color: var(--bluesky-discussion-primary);
    box-shadow: 0 2px 8px
        color-mix(in srgb, var(--bluesky-discussion-primary) 10%, transparent);
    text-decoration: none;
}

.bluesky-external-thumb {
    flex-shrink: 0;
    width: 120px;
    background: var(--bluesky-discussion-nested-bg-1);
    overflow: hidden;
}

.bluesky-external-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.bluesky-external-content {
    flex: 1;
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}

.bluesky-external-title {
    font-weight: 600;
    color: var(--bluesky-discussion-text);
    font-size: 15px;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.bluesky-external-description {
    font-size: 13px;
    color: var(--bluesky-discussion-text-secondary);
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.bluesky-external-url {
    font-size: 12px;
    color: var(--bluesky-discussion-text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ============================================
   Responsive Design
   ============================================ */

@media screen and (max-width: 782px) {
    .bluesky-discussion-standalone,
    .bluesky-discussion-with-comments {
        padding: var(--bluesky-discussion-spacing);
    }

    .bluesky-discussion-standalone h2,
    .bluesky-discussion-with-comments h2 {
        font-size: 20px;
    }

    .bluesky-reply {
        padding: 15px;
    }

    .bluesky-reply[data-depth="1"] {
        margin-left: 20px;
    }

    .bluesky-reply[data-depth="2"] {
        margin-left: 40px;
    }

    .bluesky-reply[data-depth="3"],
    .bluesky-reply[data-depth="4"],
    .bluesky-reply[data-depth="5"] {
        margin-left: 60px;
    }

    .bluesky-reply-avatar {
        width: 40px;
        height: 40px;
    }

    .bluesky-reply-content {
        padding-left: 52px;
    }

    .bluesky-reply-footer {
        padding-left: 52px;
        flex-direction: column;
        align-items: flex-start;
    }

    /* Media responsive */
    .bluesky-reply-images,
    .bluesky-reply-video,
    .bluesky-reply-external {
        padding-left: 52px;
    }

    .bluesky-external-thumb {
        width: 100px;
    }
}

@media screen and (max-width: 620px) {
    .bluesky-reply-time {
        display: none;
    }
    .bluesky-reply-author-handle {
        word-break: break-all;
    }
}

@media screen and (max-width: 480px) {
    .bluesky-reply[data-depth="1"],
    .bluesky-reply[data-depth="2"],
    .bluesky-reply[data-depth="3"],
    .bluesky-reply[data-depth="4"],
    .bluesky-reply[data-depth="5"] {
        margin-left: 10px;
    }

    .bluesky-discussion-title-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .bluesky-reply-avatar {
        width: 36px;
        height: 36px;
    }

    .bluesky-reply-content {
        padding-left: 0;
    }

    .bluesky-reply-footer {
        padding-left: 0;
    }

    .bluesky-reply-author-name {
        font-size: 15px;
    }

    .bluesky-reply-author-handle {
        font-size: 13px;
    }

    .bluesky-reply-content p {
        font-size: 14px;
    }

    /* Media mobile */
    .bluesky-reply-images,
    .bluesky-reply-video,
    .bluesky-reply-external {
        padding-left: 0;
    }

    .bluesky-external-link {
        flex-direction: column;
    }

    .bluesky-external-thumb {
        width: 100%;
        height: 200px;
    }

    .bluesky-images-grid.double,
    .bluesky-images-grid.grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Print Styles
   ============================================ */

@media print {
    .bluesky-toggle-replies {
        display: none;
    }

    .bluesky-reply-children.collapsed .bluesky-nested-replies {
        display: block;
    }

    .bluesky-reply-link {
        display: none;
    }

    .bluesky-reply {
        page-break-inside: avoid;
        box-shadow: none;
    }

    .bluesky-reply-media {
        page-break-inside: avoid;
    }
}

/* ============================================
   Integration with WordPress Comments
   ============================================ */

.bluesky-discussion-section .comment-respond {
    margin-top: 30px;
}

.bluesky-discussion-section .comments-area {
    margin: 0;
}

/* ============================================
   Accessibility
   ============================================ */

.bluesky-discussion-link:focus-visible,
.bluesky-toggle-replies:focus-visible,
.bluesky-reply-link:focus-visible {
    outline: 2px solid var(--bluesky-discussion-primary);
    outline-offset: 2px;
}

.bluesky-reply:focus-within {
    border-color: var(--bluesky-discussion-primary);
    box-shadow: 0 0 0 3px
        color-mix(in srgb, var(--bluesky-discussion-primary) 10%, transparent);
}

/* Screen reader only text */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}