.kischit-tutorial-page { padding-top: 0.5rem; padding-bottom: 2rem; }
.kischit-tutorial-catalog { padding: 1rem 0 2rem; }
.kischit-tutorial-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1.25rem; }
.kischit-tutorial-card { border: 1px solid #e2e8f0; border-radius: 10px; overflow: hidden; background: #fff; box-shadow: 0 1px 3px rgba(15,23,42,.06); }
.kischit-tutorial-card__thumb-wrap { display: block; position: relative; aspect-ratio: 16/10; background: #0f172a; }
.kischit-tutorial-card__thumb { width: 100%; height: 100%; object-fit: cover; display: block; }
.kischit-tutorial-card__thumb--placeholder { width: 100%; height: 100%; background: linear-gradient(135deg,#312e81,#7c3aed); }
.kischit-tutorial-card__badge { position: absolute; top: .5rem; left: .5rem; background: rgba(15,23,42,.75); color: #fff; font-size: .65rem; padding: .15rem .45rem; border-radius: 999px; letter-spacing: .04em; }
.kischit-tutorial-card__body { padding: .85rem 1rem 1rem; }
.kischit-tutorial-card__title { font-size: 1rem; margin: 0 0 .35rem; }
.kischit-tutorial-card__title a { color: inherit; text-decoration: none; }
.kischit-tutorial-card__price { font-size: .85rem; color: #64748b; margin: 0 0 .5rem; }
.kischit-tutorial-card__price--free { color: #059669; font-weight: 600; }
.kischit-tutorial-card__teaser { font-size: .85rem; color: #475569; }
.kischit-tutorial-card__hint { font-size: .8rem; color: #7c3aed; margin: .5rem 0 0; }
.kischit-tutorial-card__actions { margin-top: .65rem; }
.kischit-tutorial-detail__price { font-size: 1.1rem; font-weight: 600; color: #334155; margin: 0 0 .75rem; }
.kischit-tutorial-msg { color: #64748b; }
.kischit-tutorial-detail { max-width: 1200px; margin: 0 auto; padding: 1rem 0 2rem; }
.kischit-tutorial-detail__title { margin-bottom: 1rem; }
.kischit-tutorial-detail__thumb { width: 100%; max-height: 420px; object-fit: cover; border-radius: 8px; }
.kischit-tutorial-detail__teaser { margin-top: 1rem; color: #475569; }
.kischit-tutorial-detail__gate { margin-top: 1rem; font-weight: 600; color: #7c3aed; }
.kischit-pdf-viewer { width: 100%; max-width: 100%; min-height: 72vh; border: 1px solid #e2e8f0; border-radius: 8px; background: #f8fafc; overflow: hidden; user-select: none; -webkit-user-select: none; }
.kischit-pdf-viewer .kpv-status { padding: 2rem 1rem; text-align: center; color: #64748b; }
.kischit-pdf-viewer .kpv-toolbar { display: flex; align-items: center; justify-content: center; gap: .75rem; padding: .65rem 1rem; background: #fff; border-bottom: 1px solid #e2e8f0; }
.kischit-pdf-viewer .kpv-btn { width: 2rem; height: 2rem; border: 1px solid #cbd5e1; border-radius: 6px; background: #fff; color: #334155; font-size: 1.1rem; line-height: 1; cursor: pointer; }
.kischit-pdf-viewer .kpv-btn:disabled { opacity: .4; cursor: not-allowed; }
.kischit-pdf-viewer .kpv-page { font-size: .9rem; color: #475569; min-width: 7rem; text-align: center; }
.kischit-pdf-viewer .kpv-canvas-wrap { padding: 1rem; overflow: auto; min-height: 62vh; max-height: 88vh; background: #e2e8f0; }
.kischit-pdf-viewer .kpv-canvas { display: block; margin: 0 auto; width: 100%; max-width: 100%; height: auto; box-shadow: 0 4px 18px rgba(15,23,42,.12); background: #fff; }
@media print {
    .kischit-pdf-viewer { display: none !important; }
}