/* ═══════════════════════════════════════════════════════════════════
   المنتدى والإعلانات — Facebook-style forum
   RTL throughout.

   Theme tokens come from base.css. Note --primary-color there is the page
   BACKGROUND (#fefffb light / #1a1a1a dark), not a brand accent — the accent is
   --accent-color. Using --primary-color for buttons renders them invisible.
   ═══════════════════════════════════════════════════════════════════ */

.forum-page {
    max-width: 720px;
    margin-inline: auto;
    padding-inline: 16px;
    padding-bottom: 60px;
}

/* ── tabs & toolbar ─────────────────────────────────────────────── */
.forum-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
    border-bottom: 2px solid var(--border-color, #e2e8f0);
}

.forum-tab {
    position: relative;
    padding: 10px 16px;
    border: none;
    background: none;
    font: inherit;
    font-weight: 600;
    color: var(--text-secondary, #64748b);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: color .2s, border-color .2s;
    white-space: nowrap;
    flex-shrink: 0;
}

.forum-tab:hover { color: var(--accent-color, #137980); }

.forum-tab.active {
    color: var(--accent-color, #137980);
    border-bottom-color: var(--accent-color, #137980);
}

.pending-badge {
    display: inline-block;
    min-width: 20px;
    padding: 1px 6px;
    margin-inline-start: 6px;
    border-radius: 10px;
    background: #ef4444;
    color: #fff;
    font-size: .75rem;
    text-align: center;
}

.forum-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
}

.forum-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.forum-search {
    position: relative;
    flex: 1;
    min-width: 180px;
}

.forum-search i {
    position: absolute;
    inset-inline-start: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary, #94a3b8);
}

.forum-search input {
    width: 100%;
    padding: 10px 38px 10px 14px;
    border: 1px solid var(--border-color, #e2e8f0);
    border-radius: 999px;
    font: inherit;
    background: var(--card-background, #fff);
    color: inherit;
}

/* ── group rail ─────────────────────────────────────────────────── */
.group-rail {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding-bottom: 8px;
    margin-bottom: 16px;
    max-width: 100%;
}

.group-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
    padding: 8px 16px;
    border: 1px solid var(--border-color, #e2e8f0);
    border-radius: 999px;
    background: var(--card-background, #fff);
    font: inherit;
    color: inherit;
    cursor: pointer;
    transition: background .2s, color .2s, border-color .2s;
}

.group-chip:hover { border-color: var(--accent-color, #137980); }

.group-chip.active {
    background: var(--accent-color, #137980);
    border-color: var(--accent-color, #137980);
    color: #fff;
}

.group-chip-count {
    padding: 0 6px;
    border-radius: 8px;
    background: rgba(0, 0, 0, .08);
    font-size: .78rem;
}

.group-chip.active .group-chip-count { background: rgba(255, 255, 255, .25); }

/* Teacher name qualifier, shown when a student belongs to several teachers'
   general groups and the names would otherwise be identical. */
.group-chip-teacher {
    font-size: .78rem;
    opacity: .72;
    padding-inline-start: 4px;
    border-inline-start: 1px solid currentColor;
    margin-inline-start: 4px;
}

.group-chip-new { border-style: dashed; }

/* ── composer ───────────────────────────────────────────────────── */
.composer,
.composer-locked {
    background: var(--card-background, #fff);
    border: 1px solid var(--border-color, #e2e8f0);
    border-radius: 14px;
    padding: 16px;
    margin-bottom: 20px;
}

.composer-locked {
    text-align: center;
    color: var(--text-secondary, #64748b);
}

.composer-row { margin-bottom: 12px; }
.composer-row:last-child { margin-bottom: 0; }

.composer textarea,
.composer input[type="text"],
.composer select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color, #e2e8f0);
    border-radius: 10px;
    font: inherit;
    background: var(--input-bg, #f8fafc);
    color: inherit;
    resize: vertical;
}

.composer-type,
.composer-toggles {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: .9rem;
}

.composer-type label,
.composer-toggles label,
.composer-anon {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

.composer-targeting {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}

.composer-targeting > label { font-weight: 600; font-size: .9rem; }
.composer-targeting select { width: auto; min-width: 160px; }

.anon-notice,
.composer-review-notice {
    margin: 6px 0 0;
    font-size: .82rem;
    color: var(--text-secondary, #64748b);
    line-height: 1.6;
}

.composer-review-notice { color: #b45309; }

.composer-footer {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color, #e2e8f0);
}

.composer-file-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: .88rem;
    color: var(--text-secondary, #64748b);
    cursor: pointer;
    transition: background .2s;
}

.composer-file-btn:hover { background: var(--hover-bg, #f1f5f9); }

.composer-submit {
    margin-inline-start: auto;
    padding: 9px 24px;
    border: none;
    border-radius: 999px;
    background: var(--accent-color, #137980);
    color: #fff;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
}

.composer-submit:disabled { opacity: .6; cursor: not-allowed; }

.composer-previews {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.preview-thumb img {
    width: 72px;
    height: 72px;
    object-fit: cover;
    border-radius: 8px;
}

.preview-file {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 8px;
    background: var(--hover-bg, #f1f5f9);
    font-size: .82rem;
}

/* ── post card ──────────────────────────────────────────────────── */
.post-card {
    background: var(--card-background, #fff);
    border: 1px solid var(--border-color, #e2e8f0);
    border-radius: 14px;
    margin-bottom: 18px;
    overflow: hidden;
}

.post-card.pinned { border-color: #f59e0b; }

.post-header {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px 16px 10px;
}

.post-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.post-avatar-anon,
.comment-avatar-anon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--hover-bg, #e2e8f0);
    color: var(--text-secondary, #64748b);
}

.post-meta { flex: 1; min-width: 0; }

.post-author-line {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
}

.post-author { font-weight: 700; }

.post-time {
    font-size: .82rem;
    color: var(--text-secondary, #94a3b8);
}

.post-time span + span { margin-inline-start: 4px; }

/* badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: .72rem;
    font-weight: 600;
}

.badge-anon { background: #ede9fe; color: #6d28d9; }
.badge-active { background: #dcfce7; color: #15803d; }
.badge-announcement { background: #dbeafe; color: #1d4ed8; }
.badge-pinned { background: #fef3c7; color: #b45309; }

/* kebab menu */
.post-menu { position: relative; flex-shrink: 0; }

.post-menu-trigger {
    border: none;
    background: none;
    padding: 6px 10px;
    border-radius: 8px;
    color: var(--text-secondary, #64748b);
    cursor: pointer;
}

.post-menu-trigger:hover { background: var(--hover-bg, #f1f5f9); }

.post-menu-items {
    display: none;
    position: absolute;
    inset-inline-end: 0;
    top: 100%;
    z-index: 20;
    min-width: 200px;
    padding: 6px;
    border: 1px solid var(--border-color, #e2e8f0);
    border-radius: 10px;
    background: var(--card-background, #fff);
    box-shadow: 0 8px 24px rgba(0, 0, 0, .12);
}

.post-menu.open .post-menu-items { display: block; }

.post-menu-items button {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 9px 12px;
    border: none;
    border-radius: 6px;
    background: none;
    font: inherit;
    color: inherit;
    text-align: start;
    cursor: pointer;
}

.post-menu-items button:hover { background: var(--hover-bg, #f1f5f9); }
.post-menu-items button.danger { color: #dc2626; }

/* body */
.post-body { padding: 0 16px 12px; }
.post-title { margin: 0 0 8px; font-size: 1.1rem; }
.post-content { line-height: 1.9; white-space: pre-wrap; word-break: break-word; }

.post-notice {
    margin: 0 16px 12px;
    padding: 10px 12px;
    border-radius: 8px;
    font-size: .86rem;
}

.notice-pending { background: #fef3c7; color: #92400e; }
.notice-rejected { background: #fee2e2; color: #991b1b; }

/* image grid */
.post-images {
    display: grid;
    gap: 3px;
    margin-top: 12px;
    border-radius: 10px;
    overflow: hidden;
}

.post-images.count-1 { grid-template-columns: 1fr; }
.post-images.count-2 { grid-template-columns: 1fr 1fr; }
.post-images.count-3 { grid-template-columns: 1fr 1fr; }
.post-images.count-3 .post-image:first-child { grid-column: span 2; }
.post-images.count-4 { grid-template-columns: 1fr 1fr; }

.post-image {
    position: relative;
    aspect-ratio: 16 / 10;
    background: var(--hover-bg, #f1f5f9);
}

.post-images.count-1 .post-image { aspect-ratio: auto; max-height: 480px; }

.post-image img { width: 100%; height: 100%; object-fit: cover; display: block; }

.post-image-more {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, .55);
    color: #fff;
    font-size: 1.6rem;
    font-weight: 700;
}

.post-attachments {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 12px;
}

.post-attachment {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 12px;
    border: 1px solid var(--border-color, #e2e8f0);
    border-radius: 8px;
    color: inherit;
    text-decoration: none;
    font-size: .88rem;
}

.post-attachment:hover { background: var(--hover-bg, #f1f5f9); }
.attachment-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.attachment-size { color: var(--text-secondary, #94a3b8); font-size: .8rem; }

/* stats + actions */
.post-stats {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    font-size: .85rem;
    color: var(--text-secondary, #64748b);
    border-top: 1px solid var(--border-color, #f1f5f9);
}

.reaction-cluster { display: inline-flex; }
.reaction-chip { margin-inline-end: -4px; font-size: 1rem; }
.reaction-total { margin-inline-start: 8px; }

.post-comment-count {
    border: none;
    background: none;
    font: inherit;
    color: inherit;
    cursor: pointer;
}

.post-comment-count:hover { text-decoration: underline; }

.post-actions {
    display: flex;
    border-top: 1px solid var(--border-color, #e2e8f0);
}

.post-action-wrap { position: relative; flex: 1; display: flex; }

.post-action {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px;
    border: none;
    background: none;
    font: inherit;
    font-weight: 600;
    color: var(--text-secondary, #64748b);
    cursor: pointer;
    transition: background .15s;
}

.post-action:hover { background: var(--hover-bg, #f1f5f9); }
.post-action.reacted { color: var(--accent-color, #137980); }

/* reaction picker */
.reaction-picker {
    position: absolute;
    bottom: calc(100% + 6px);
    inset-inline-start: 8px;
    z-index: 30;
    display: flex;
    gap: 4px;
    padding: 6px 10px;
    border-radius: 999px;
    background: var(--card-background, #fff);
    box-shadow: 0 6px 20px rgba(0, 0, 0, .18);
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
    transition: opacity .18s, transform .18s, visibility .18s;
}

.picker-open .reaction-picker {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.reaction-option {
    border: none;
    background: none;
    font-size: 1.5rem;
    line-height: 1;
    padding: 2px;
    cursor: pointer;
    transition: transform .15s;
}

.reaction-option:hover { transform: scale(1.35) translateY(-4px); }

/* ── comments ───────────────────────────────────────────────────── */
.post-comments {
    padding: 12px 16px 16px;
    border-top: 1px solid var(--border-color, #f1f5f9);
    background: var(--hover-bg, #f8fafc);
}

.comment {
    display: flex;
    gap: 10px;
    margin-bottom: 14px;
}

.comment-reply { margin-inline-start: 42px; }

.comment-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.comment-main { flex: 1; min-width: 0; }

.comment-bubble {
    padding: 9px 13px;
    border-radius: 14px;
    background: var(--card-background, #fff);
    border: 1px solid var(--border-color, #e2e8f0);
}

.comment-author-line {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    margin-bottom: 3px;
}

.comment-author { font-weight: 700; font-size: .9rem; }
.comment-mention { color: var(--accent-color, #137980); font-weight: 600; font-size: .88rem; }
.comment-text { line-height: 1.75; word-break: break-word; }

.comment-image img {
    max-width: 220px;
    margin-top: 8px;
    border-radius: 10px;
    display: block;
}

.comment-footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    padding: 5px 12px 0;
    font-size: .8rem;
    color: var(--text-secondary, #94a3b8);
}

.comment-action-wrap { position: relative; }

.comment-action {
    border: none;
    background: none;
    font: inherit;
    font-weight: 600;
    color: var(--text-secondary, #64748b);
    cursor: pointer;
    padding: 0;
}

.comment-action:hover { text-decoration: underline; }
.comment-action.reacted { color: var(--accent-color, #137980); }
.comment-action.danger { color: #dc2626; }

.comment-replies { margin-top: 12px; }

.comment-composer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
}

.comment-composer textarea {
    flex: 1;
    min-width: 160px;
    min-height: 40px;
    padding: 9px 13px;
    border: 1px solid var(--border-color, #e2e8f0);
    border-radius: 18px;
    font: inherit;
    background: var(--card-background, #fff);
    color: inherit;
    resize: vertical;
}

.comment-composer-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.comment-image-btn { cursor: pointer; color: var(--text-secondary, #64748b); }
.comment-anon-toggle { display: inline-flex; align-items: center; gap: 5px; font-size: .82rem; }

.comment-submit {
    padding: 7px 18px;
    border: none;
    border-radius: 999px;
    background: var(--accent-color, #137980);
    color: #fff;
    font: inherit;
    cursor: pointer;
}

.comment-image-preview img { max-width: 120px; border-radius: 8px; }

.comment-edit-form { display: flex; gap: 8px; margin-top: 8px; }
.comment-edit-form textarea {
    flex: 1;
    padding: 8px;
    border: 1px solid var(--border-color, #e2e8f0);
    border-radius: 8px;
    font: inherit;
}

.comments-loading,
.comments-error,
.comments-disabled {
    padding: 12px;
    text-align: center;
    color: var(--text-secondary, #94a3b8);
    font-size: .88rem;
}

/* ── feed states ────────────────────────────────────────────────── */
.feed-loading,
.feed-error,
.feed-empty {
    padding: 48px 20px;
    text-align: center;
    color: var(--text-secondary, #94a3b8);
}

.feed-empty i { font-size: 2.5rem; margin-bottom: 12px; display: block; opacity: .5; }

/* inline post edit */
.post-edit-form { margin-top: 10px; }

.post-edit-form textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color, #e2e8f0);
    border-radius: 10px;
    font: inherit;
}

.post-edit-actions { display: flex; gap: 8px; margin-top: 8px; }

.post-edit-actions button {
    padding: 7px 16px;
    border: 1px solid var(--border-color, #e2e8f0);
    border-radius: 8px;
    background: var(--card-background, #fff);
    font: inherit;
    cursor: pointer;
}

/* ── moderation ─────────────────────────────────────────────────── */
.moderation-item {
    border: 1px solid #fbbf24;
    border-radius: 14px;
    margin-bottom: 18px;
    overflow: hidden;
}

.moderation-item .post-card { margin: 0; border: none; border-radius: 0; }

.moderation-actions {
    display: flex;
    gap: 10px;
    padding: 12px 16px;
    background: #fffbeb;
    border-top: 1px solid #fde68a;
}

.btn-approve,
.btn-reject {
    flex: 1;
    padding: 9px;
    border: none;
    border-radius: 8px;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
}

.btn-approve { background: #16a34a; color: #fff; }
.btn-reject { background: #fff; color: #dc2626; border: 1px solid #fca5a5; }

/* ── group settings ─────────────────────────────────────────────── */
.group-settings {
    background: var(--card-background, #fff);
    border: 1px solid var(--border-color, #e2e8f0);
    border-radius: 14px;
    padding: 20px;
}

.group-settings h3 { margin: 0 0 18px; }

.setting-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 0;
    cursor: pointer;
}

.setting-group {
    margin: 14px 0;
    padding: 12px 14px;
    border: 1px solid var(--border-color, #e2e8f0);
    border-radius: 10px;
}

.setting-group legend { font-weight: 600; padding: 0 6px; font-size: .9rem; }

.setting-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 0;
    cursor: pointer;
}

.setting-actions { display: flex; gap: 10px; margin-top: 18px; }

.setting-actions button {
    padding: 9px 20px;
    border: none;
    border-radius: 8px;
    background: var(--accent-color, #137980);
    color: #fff;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
}

.setting-actions button.danger { background: #dc2626; }

.setting-hint {
    margin: 14px 0 0;
    font-size: .85rem;
    color: var(--text-secondary, #64748b);
}

/* ── dialog ─────────────────────────────────────────────────────── */
.forum-dialog {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(15, 23, 42, .55);
}

.forum-dialog[hidden] { display: none; }

.forum-dialog-box {
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    border-radius: 16px;
    background: var(--card-background, #fff);
}

.forum-dialog-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color, #e2e8f0);
}

.forum-dialog-header h2 { margin: 0; font-size: 1.15rem; }

.forum-dialog-header button {
    border: none;
    background: none;
    font-size: 1.6rem;
    line-height: 1;
    cursor: pointer;
    color: var(--text-secondary, #64748b);
}

.forum-dialog-form { padding: 20px; }

.forum-dialog-form label {
    display: block;
    margin-bottom: 14px;
    font-weight: 600;
    font-size: .9rem;
}

.forum-dialog-form input,
.forum-dialog-form select,
.forum-dialog-form textarea {
    width: 100%;
    margin-top: 6px;
    padding: 9px 12px;
    border: 1px solid var(--border-color, #e2e8f0);
    border-radius: 8px;
    font: inherit;
    font-weight: 400;
    background: var(--input-bg, #f8fafc);
    color: inherit;
}

.forum-dialog-actions { display: flex; gap: 10px; margin-top: 20px; }

.forum-dialog-actions button {
    flex: 1;
    padding: 10px;
    border: none;
    border-radius: 8px;
    background: var(--accent-color, #137980);
    color: #fff;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
}

.forum-dialog-actions button.secondary {
    background: var(--hover-bg, #f1f5f9);
    color: var(--text-secondary, #64748b);
}

/* ── responsive ─────────────────────────────────────────────────── */
@media (max-width: 640px) {
    .forum-page { padding-inline: 12px; }
    .comment-reply { margin-inline-start: 22px; }
    .post-action span { display: none; }
    .forum-toolbar { flex-direction: column; align-items: stretch; }
}

/* ── dark mode ──────────────────────────────────────────────────── */
[data-theme="dark"] .post-comments { background: rgba(255, 255, 255, .02); }
[data-theme="dark"] .moderation-actions { background: rgba(251, 191, 36, .08); }
[data-theme="dark"] .btn-reject { background: transparent; }
[data-theme="dark"] .badge-anon { background: rgba(109, 40, 217, .2); color: #c4b5fd; }
[data-theme="dark"] .badge-active { background: rgba(21, 128, 61, .2); color: #86efac; }
[data-theme="dark"] .badge-announcement { background: rgba(29, 78, 216, .2); color: #93c5fd; }

/* ── animations ─────────────────────────────────────────────────── */
@keyframes smoothFadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes dialogBackdropFade {
    from { background: rgba(15, 23, 42, 0); }
    to { background: rgba(15, 23, 42, .55); }
}

[data-tab-panel]:not([hidden]) {
    animation: smoothFadeIn 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.forum-dialog:not([hidden]) .forum-dialog-box {
    animation: smoothFadeIn 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.forum-dialog:not([hidden]) {
    animation: dialogBackdropFade 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.post-card,
.feed-loading,
.feed-error,
.feed-empty,
.moderation-item,
.group-settings,
.composer {
    animation: smoothFadeIn 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}