/* Box-sizing global pour tous les composants page-builder */[class^="pb-"], [class*=" pb-"] {    box-sizing: border-box;}
/**
 * PAGE BUILDER CSS v1.0
 * Éditeur visuel pour les leçons Giri Academy
 * Préfixe : .pb-* (page builder, sous-module academy)
 */

/* ── Overlay plein écran ─────────────────────────────── */
.pb-overlay {
    position: fixed;
    inset: 0;
    background: #0a0a14;
    z-index: 1100;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.pb-wrapper {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

/* ── Toolbar ─────────────────────────────────────────── */
.pb-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
    background: #12122a;
    border-bottom: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);
    padding: 0 16px;
    flex-shrink: 0;
    gap: 12px;
}

.pb-toolbar-left,
.pb-toolbar-center,
.pb-toolbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.pb-toolbar-title {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.02em;
}

/* ── Layout 3 colonnes ───────────────────────────────── */
.pb-layout {    display: flex;    flex: 1;    overflow: hidden;    max-width: 100%;    width: 100%;}






/* ── Palette (gauche) ────────────────────────────────── */
.pb-palette {    width: 250px;    box-sizing: border-box;    background: #12122a;    border-right: 1px solid rgba(255, 255, 255, 0.07);    overflow-y: auto;    flex-shrink: 0;    padding: 10px;}









.pb-palette-title {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.35);
    padding: 10px 4px 6px;
}

.pb-palette-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5px;
    margin-bottom: 4px;
}

.pb-comp-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 10px 4px;
    background: color-mix(in srgb, var(--accent) 6%, transparent);
    border: 1px solid color-mix(in srgb, var(--accent) 15%, transparent);
    border-radius: 8px;
    cursor: grab;
    transition: transform 0.18s ease-out, background 0.18s ease-out, border-color 0.18s ease-out, color 0.18s ease-out, opacity 0.18s ease-out;
    user-select: none;
    -webkit-user-drag: element;
    text-align: center;
}

.pb-comp-item:hover {
    background: color-mix(in srgb, var(--accent) 18%, transparent);
    border-color: color-mix(in srgb, var(--accent) 45%, transparent);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px color-mix(in srgb, var(--accent) 20%, transparent);
}

.pb-comp-item:active { cursor: grabbing; }
.pb-comp-icon { font-size: 20px; line-height: 1; }
.pb-comp-label {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.75);
    font-weight: 500;
    line-height: 1.2;
}
.pb-comp-item > * {
    pointer-events: none;
}

/* ── Canvas (centre) ─────────────────────────────────── */
.pb-canvas-wrapper {
    flex: 1;
    background: #1a1a2e;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 32px 24px;
}

.pb-canvas {
    width: 100%;
    max-width: 860px;
    min-height: 320px;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transition: outline 0.15s;
}

.pb-canvas.drag-over {
    outline: 2px dashed var(--accent-light);
    outline-offset: -4px;
    background: #fdfaff;
}

.pb-canvas-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 280px;
    gap: 10px;
    color: #9ca3af;
    text-align: center;
    padding: 32px;
}

.pb-canvas-empty-icon { font-size: 48px; opacity: 0.4; }
.pb-canvas-empty p { margin: 0; font-size: 14px; line-height: 1.6; }

/* ── Blocs ───────────────────────────────────────────── */
.pb-block {
    position: relative;
    border: 2px solid transparent;
    transition: border-color 0.12s;
    cursor: pointer;
}

.pb-block:hover { border-color: color-mix(in srgb, var(--accent) 30%, transparent); }
.pb-block.selected { border-color: var(--accent-light); }
.pb-block.pb-dragging { opacity: 0.4; }
.pb-block.drag-over-top { border-top: 3px solid var(--accent-light); }
.pb-block.drag-over-bottom { border-bottom: 3px solid var(--accent-light); }

.pb-block-drag {
    position: absolute;
    top: 50%;
    left: 4px;
    transform: translateY(-50%);
    cursor: grab;
    color: color-mix(in srgb, var(--accent) 50%, transparent);
    font-size: 14px;
    display: none;
    padding: 4px;
    z-index: 5;
    line-height: 1;
    user-select: none;
}

.pb-block:hover .pb-block-drag { display: block; }
.pb-block-drag:active { cursor: grabbing; }

.pb-block-controls {
    position: absolute;
    top: 6px;
    right: 6px;
    display: none;
    gap: 4px;
    z-index: 10;
}

.pb-block:hover .pb-block-controls,
.pb-block.selected .pb-block-controls { display: flex; }

.pb-block-inner { padding: 16px 24px 16px 30px; }

.pb-btn-icon-sm {
    width: 26px;
    height: 26px;
    border-radius: 5px;
    border: none;
    cursor: pointer;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.15s ease-out, background 0.15s ease-out, border-color 0.15s ease-out, color 0.15s ease-out, opacity 0.15s ease-out;
}

.pb-btn-delete { background: rgba(239, 68, 68, 0.15); color: #ef4444; }
.pb-btn-delete:hover { background: rgba(239, 68, 68, 0.35); }
.pb-btn-move-up,
.pb-btn-move-down { background: rgba(0,0,0,0.08); color: #4b5563; }
.pb-btn-move-up:hover,
.pb-btn-move-down:hover { background: rgba(0,0,0,0.18); }

/* ── Rendu des blocs (canvas blanc = vue étudiant) ──── */
.pb-render-h1 { font-size: 2rem; font-weight: 800; color: #111; line-height: 1.2; margin: 0; }
.pb-render-h2 { font-size: 1.5rem; font-weight: 700; color: #1a1a2e; line-height: 1.3; margin: 0; }
.pb-render-h3 { font-size: 1.2rem; font-weight: 600; color: #374151; line-height: 1.4; margin: 0; }
.pb-render-p  { font-size: 15px; color: #374151; line-height: 1.7; margin: 0; }

.pb-render-image { display: block; max-width: 100%; border-radius: 8px; }
.pb-render-image-placeholder {
    display: flex; flex-direction: column; align-items: center;
    justify-content: center; background: #f3f4f6; border-radius: 8px;
    min-height: 120px; font-size: 32px; color: #9ca3af; gap: 8px;
}
.pb-render-caption { font-size: 12px; color: #9ca3af; text-align: center; margin: 6px 0 0; }

.pb-render-video-wrap {
    position: relative; padding-top: 56.25%;
    background: #111; border-radius: 8px; overflow: hidden;
    margin: 0 auto;
    transition: max-width 0.3s ease;
}
.pb-render-video-wrap iframe,
.pb-render-video-wrap video {
    position: absolute; inset: 0; width: 100%; height: 100%; border: none;
    pointer-events: none;
}
/* Re-enable pointer events when block is selected (user can interact with video) */
.pb-block.selected .pb-render-video-wrap iframe,
.pb-block.selected .pb-render-video-wrap video {
    pointer-events: auto;
}
.pb-render-video-placeholder {
    display: flex; align-items: center; justify-content: center;
    background: #f3f4f6; border-radius: 8px; min-height: 120px;
    font-size: 28px; color: #9ca3af; gap: 8px;
}

.pb-render-pdf-placeholder {
    display: flex; align-items: center; gap: 10px;
    background: #f9fafb; padding: 14px 16px; border-radius: 8px;
    border: 1px solid #e5e7eb; font-size: 14px; color: #6b7280;
}

.pb-render-divider { border: none; margin: 4px 0; }
.pb-render-divider.solid  { border-top-style: solid;  border-top-width: 1px; }
.pb-render-divider.dashed { border-top-style: dashed; border-top-width: 1px; }
.pb-render-divider.dotted { border-top-style: dotted; border-top-width: 1px; }
.pb-render-divider.double { border-top-style: double; border-top-width: 3px; }

.pb-render-btn-wrap { display: flex; }
.pb-render-btn-wrap.center { justify-content: center; }
.pb-render-btn-wrap.right  { justify-content: flex-end; }

.pb-render-btn {
    display: inline-block; padding: 10px 24px; border-radius: 8px;
    font-size: 14px; font-weight: 600; text-decoration: none; cursor: pointer; border: none;
}
.pb-render-btn.primary   { background: var(--accent); color: #fff; }
.pb-render-btn.secondary { background: transparent; color: var(--accent); border: 2px solid var(--accent); }
.pb-render-btn.outline   { background: transparent; color: #374151; border: 2px solid #d1d5db; }

.pb-render-html-preview { font-size: 14px; color: #374151; }

.pb-render-download {
    display: flex; align-items: center; gap: 12px;
    background: #f5f3ff; border: 1px solid var(--accent-light); border-radius: 10px;
    padding: 14px 18px; text-decoration: none; color: inherit;
}
.pb-render-download-icon { font-size: 24px; }
.pb-render-download-info { flex: 1; }
.pb-render-download-label { font-size: 14px; font-weight: 600; color: #374151; }
.pb-render-download-size  { font-size: 12px; color: #9ca3af; }
.pb-render-download-btn {
    font-size: 12px; font-weight: 600; color: var(--accent);
    background: color-mix(in srgb, var(--accent) 10%, transparent); padding: 6px 12px; border-radius: 6px;
}

.pb-render-accordion { border: 1px solid #e5e7eb; border-radius: 10px; overflow: hidden; }
.pb-render-accordion-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 16px; background: #f9fafb; cursor: pointer;
    font-size: 14px; font-weight: 600; color: #374151;
}
.pb-render-accordion-body {
    padding: 14px 16px; font-size: 14px; color: #4b5563;
    line-height: 1.6; border-top: 1px solid #e5e7eb;
}

/* ── Panneau propriétés (droite) ─────────────────────── */
.pb-properties {    width: 300px;    max-width: 300px;    box-sizing: border-box;    background: #12122a;    border-left: 1px solid rgba(255,255,255,0.07);    overflow-y: auto;    overflow-x: hidden;    flex-shrink: 1;    min-width: 200px;    padding: 16px;}

.pb-props-empty {
    display: flex; flex-direction: column; align-items: center;
    justify-content: center; min-height: 220px; gap: 12px; text-align: center;
}
.pb-props-empty-icon { font-size: 36px; opacity: 0.25; }
.pb-props-empty p {
    font-size: 13px; color: rgba(255,255,255,0.35);
    margin: 0; max-width: 180px; line-height: 1.5;
}

.pb-props-header {
    display: flex; align-items: center; gap: 8px;
    margin-bottom: 16px; padding-bottom: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.07);
}
.pb-props-header-icon { font-size: 20px; }
.pb-props-header-title { font-size: 14px; font-weight: 700; color: #fff; }

.pb-props-label {
    font-size: 10px; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.1em; color: rgba(255,255,255,0.3); margin: 14px 0 8px;
}

.pb-form-group { margin-bottom: 10px; }

.pb-form-label {
    display: block; font-size: 12px;
    color: rgba(255,255,255,0.55); margin-bottom: 4px;
}

.pb-form-control {
    width: 100%; box-sizing: border-box;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 6px; padding: 7px 10px;
    font-size: 13px; color: #fff; outline: none;
    transition: border-color 0.2s; font-family: inherit;
}
.pb-form-control:focus { border-color: color-mix(in srgb, var(--accent) 50%, transparent); }
.pb-form-control-sm { padding: 5px 8px; font-size: 12px; }

.pb-form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='rgba(255,255,255,0.4)'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    padding-right: 26px;
    cursor: pointer;
}

.pb-form-select option { background: #1a1a2e; }

.pb-form-textarea { resize: vertical; min-height: 72px; font-family: inherit; }

.pb-color-row { display: flex; align-items: center; gap: 8px; }
.pb-color-input {
    width: 36px; height: 36px; border-radius: 6px;
    border: 1px solid rgba(255,255,255,0.2);
    padding: 2px; cursor: pointer; background: none; flex-shrink: 0;
}

.pb-radio-group { display: flex; gap: 5px; }
.pb-radio-btn {
    flex: 1; text-align: center; padding: 6px 4px;
    font-size: 11px; font-weight: 600;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 6px; cursor: pointer;
    color: rgba(255,255,255,0.5); transition: transform 0.15s ease-out, background 0.15s ease-out, border-color 0.15s ease-out, color 0.15s ease-out, opacity 0.15s ease-out;
}
.pb-radio-btn.active,
.pb-radio-btn:hover {
    background: color-mix(in srgb, var(--accent) 20%, transparent);
    border-color: color-mix(in srgb, var(--accent) 45%, transparent);
    color: #fff;
}

/* ── Boutons généraux ────────────────────────────────── */
.pb-btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 7px 14px; border-radius: 7px; font-size: 13px;
    font-weight: 600; cursor: pointer; border: none;
    transition: transform 0.18s ease-out, background 0.18s ease-out, border-color 0.18s ease-out, color 0.18s ease-out, opacity 0.18s ease-out; white-space: nowrap;
}
.pb-btn-primary { background: var(--accent); color: #fff; }
.pb-btn-primary:hover { background: var(--accent); }
.pb-btn-secondary {
    background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.8);
    border: 1px solid rgba(255,255,255,0.12);
}
.pb-btn-secondary:hover { background: rgba(255,255,255,0.14); }
.pb-btn-icon { width: 32px; height: 32px; padding: 0; justify-content: center; font-size: 15px; }

/* ── Modal Aperçu ────────────────────────────────────── */
.pb-preview-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.82);
    z-index: 1100; display: flex;
    align-items: center; justify-content: center; padding: 40px;
    animation: pbOverlayIn 0.18s ease;
}
@keyframes pbOverlayIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}
.pb-preview-modal {
    background: #fff; border-radius: 16px;
    width: 100%; max-width: 900px; max-height: 90vh;
    overflow-y: auto; box-shadow: 0 40px 80px rgba(0,0,0,0.6);
    animation: pbModalIn 0.22s cubic-bezier(0.34,1.2,0.64,1);
}
@keyframes pbModalIn {
    from { opacity: 0; transform: scale(0.95) translateY(10px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}
.pb-preview-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 20px; border-bottom: 1px solid #e5e7eb;
    position: sticky; top: 0; background: #fff; z-index: 1;
}
.pb-preview-header h4 { margin: 0; font-size: 15px; color: #374151; }
.pb-preview-header button {
    background: none; border: none; font-size: 18px; cursor: pointer; color: #6b7280;
}
.pb-preview-content { padding: 32px; }

/* ── Modal HTML ──────────────────────────────────────── */
.pb-html-modal {
    position: fixed; inset: 0; background: rgba(0,0,0,0.82);
    z-index: 1100; display: flex;
    align-items: center; justify-content: center; padding: 40px;
    animation: pbOverlayIn 0.18s ease;
}
.pb-html-inner {
    background: #1e1e2e; border-radius: 16px;
    width: 100%; max-width: 900px; max-height: 85vh;
    display: flex; flex-direction: column;
    box-shadow: 0 40px 80px rgba(0,0,0,0.6); overflow: hidden;
    animation: pbModalIn 0.22s cubic-bezier(0.34,1.2,0.64,1);
}
.pb-html-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 20px; border-bottom: 1px solid rgba(255,255,255,0.1); flex-shrink: 0;
}
.pb-html-header h4 { margin: 0; font-size: 15px; color: #e2e8f0; }
.pb-html-code {
    flex: 1; overflow-y: auto; padding: 20px;
    font-family: 'Fira Code','Cascadia Code','Consolas', monospace;
    font-size: 12.5px; line-height: 1.7;
    color: #a5f3fc; white-space: pre; background: #0f0f1a; margin: 0;
}

/* ── Intégration lesson editor ───────────────────────── */
.lesson-editor-toggle {
    display: flex;
    gap: 4px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    padding: 3px;
    margin-bottom: 12px;
}

.lesson-editor-toggle-btn {
    flex: 1;
    padding: 6px 12px;
    border-radius: 6px;
    border: none;
    background: transparent;
    color: rgba(255,255,255,0.5);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease-out, background 0.2s ease-out, border-color 0.2s ease-out, color 0.2s ease-out, opacity 0.2s ease-out;
}

.lesson-editor-toggle-btn.active { background: color-mix(in srgb, var(--accent) 20%, transparent); color: var(--accent-light); }

.lesson-builder-open-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 20px;
    border: 2px dashed color-mix(in srgb, var(--accent) 30%, transparent);
    border-radius: 12px;
    background: color-mix(in srgb, var(--accent) 5%, transparent);
    cursor: pointer;
    color: var(--accent-light);
    font-size: 14px;
    font-weight: 600;
    width: 100%;
    transition: transform 0.2s ease-out, background 0.2s ease-out, border-color 0.2s ease-out, color 0.2s ease-out, opacity 0.2s ease-out;
    box-sizing: border-box;
}

.lesson-builder-open-btn:hover { border-color: color-mix(in srgb, var(--accent) 55%, transparent); background: color-mix(in srgb, var(--accent) 10%, transparent); transform: translateY(-1px); }

.lesson-builder-status { font-size: 12px; color: rgba(255,255,255,0.35); text-align: center; margin-top: 6px; }

/* ── Intégration LessonEditor ────────────────────────── */
.pb-toggle-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 16px;
    background: color-mix(in srgb, var(--accent) 6%, transparent);
    border: 1px solid color-mix(in srgb, var(--accent) 18%, transparent);
    border-radius: 10px;
}
.pb-toggle-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: 20px;
}
.pb-badge-ok    { background: rgba(16,185,129,0.12); color: #10b981; border: 1px solid rgba(16,185,129,0.25); }
.pb-badge-empty { background: rgba(156,163,175,0.10); color: rgba(255,255,255,0.4); border: 1px solid rgba(255,255,255,0.08); }

.pb-toggle-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 10px;
}
.pb-preview-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 11px;
    padding: 3px 9px;
    border-radius: 14px;
    background: color-mix(in srgb, var(--accent) 12%, transparent);
    border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);
    color: rgba(255,255,255,0.6);
    white-space: nowrap;
    max-width: 160px;
    overflow: hidden;
    text-overflow: ellipsis;
}
.pb-preview-more {
    background: rgba(255,255,255,0.04);
    border-color: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.3);
}

/* ── Scrollbars ──────────────────────────────────────── */
.pb-palette::-webkit-scrollbar,
.pb-properties::-webkit-scrollbar,
.pb-canvas-wrapper::-webkit-scrollbar { width: 4px; }
.pb-palette::-webkit-scrollbar-track,
.pb-properties::-webkit-scrollbar-track,
.pb-canvas-wrapper::-webkit-scrollbar-track { background: transparent; }
.pb-palette::-webkit-scrollbar-thumb,
.pb-properties::-webkit-scrollbar-thumb,
.pb-canvas-wrapper::-webkit-scrollbar-thumb {
    background: color-mix(in srgb, var(--accent) 30%, transparent); border-radius: 2px;
}

/* ── Video size bar (S / M / L / Full) ── */
.pb-vsz-bar {
    display: flex; align-items: center; justify-content: flex-end;
    gap: 4px; padding: 4px 6px; margin-bottom: 4px;
}
.pb-vsz-label {
    font-size: 11px; color: #9ca3af; margin-right: 4px; font-weight: 500;
}
.pb-vsz-btn {
    background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.5); font-size: 11px; font-weight: 600;
    padding: 2px 8px; border-radius: 5px; cursor: pointer;
    transition: all 0.15s; line-height: 1.4;
}
.pb-vsz-btn:hover { background: rgba(255,255,255,0.12); color: #fff; }
.pb-vsz-btn.active {
    background: rgba(124,58,237,0.3); border-color: rgba(124,58,237,0.5);
    color: #a78bfa;
}

/* ── Custom Drag Ghost ───────────────────────────────── */
.pb-drag-ghost {
    position: fixed;
    z-index: 10000;
    pointer-events: none;
    background: rgba(124, 58, 237, 0.25);
    border: 2px solid var(--accent, #7c3aed);
    border-radius: 10px;
    padding: 8px 16px;
    backdrop-filter: blur(12px);
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    white-space: nowrap;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(124, 58, 237, 0.3);
    transform: scale(1.05);
    transition: transform 0.1s;
}

/* ── Drop Indicator (ligne violette entre les blocs) ── */
.pb-drop-indicator {
    height: 3px;
    background: var(--accent, #7c3aed);
    border-radius: 2px;
    margin: 4px 0;
    box-shadow: 0 0 12px var(--accent, #7c3aed), 0 0 4px var(--accent, #7c3aed);
    animation: pb-drop-pulse 0.8s ease-in-out infinite;
}

@keyframes pb-drop-pulse {
    0%, 100% { opacity: 1; transform: scaleX(1); }
    50% { opacity: 0.6; transform: scaleX(0.98); }
}

/* ── Canvas highlight when dragging over empty canvas ── */
.pb-drag-over-canvas {
    outline: 2px dashed var(--accent, #7c3aed) !important;
    outline-offset: -4px;
    background: rgba(124, 58, 237, 0.05) !important;
}

.pb-drag-over-canvas .pb-canvas-empty {
    color: var(--accent, #7c3aed);
}

/* ── Fix #1: Properties panel stays within viewport ──── */
.pb-palette,
.pb-properties,
.pb-canvas-wrapper {
    box-sizing: border-box;
}

.pb-properties {
    flex-shrink: 1;
    min-width: 220px;
    max-width: 300px;
    overflow-x: hidden;
}

.pb-layout {
    max-width: 100vw;
}

/* ── Fix #2: Hide editor-only elements in student preview ── */
.pb-preview-content .pb-render-image-placeholder,
.pb-preview-content .pb-render-video-placeholder,
.pb-preview-content .pb-render-pdf-placeholder,
.pb-preview-content .pb-canvas-empty,
.pb-preview-content .pb-block-controls,
.pb-preview-content .pb-block-drag,
.pb-preview-content .pb-html-toolbar,
.pb-preview-content .pb-html-code-editor {
    display: none !important;
}

/* Also hide placeholders when rendered in student lesson pages */
.lesson-text .pb-render-image-placeholder,
.lesson-text .pb-render-video-placeholder,
.lesson-text .pb-render-pdf-placeholder,
.lesson-text .pb-canvas-empty {
    display: none !important;
}