/* ==========================================================================
   Reverse – Vorschau, Vergleichsmodus, Komponenten
   ========================================================================== */

.preview-panel { flex: 1; display: flex; flex-direction: column; min-height: 0; }

.viewport-input { width: 76px; }
.viewport-info { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-text-muted); white-space: nowrap; }

.preview-stage {
    position: relative;
    flex: 1;
    min-height: 0;
    overflow: auto;
    background:
        radial-gradient(circle at 1px 1px, var(--color-border-subtle) 1px, transparent 0) 0 0 / 18px 18px,
        var(--color-inset);
    border-radius: 0 0 var(--radius) var(--radius);
}

.preview-frame-wrap {
    position: relative;
    margin: 0 auto;
    transform-origin: top left;
    background: #fff;
    box-shadow: 0 0 0 1px var(--color-border-strong), 0 6px 24px rgba(0, 0, 0, 0.5);
}
.preview-frame-wrap.fluid { width: 100% !important; box-shadow: none; }

.preview-frame {
    display: block;
    width: 100%;
    height: 100%;
    border: 0;
    background: #fff;
}

.preview-overlay-msg {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
}
.welcome {
    max-width: 640px;
    padding: var(--space-6);
}
.welcome h2 { font-size: 22px; }
.welcome-steps { counter-reset: s; list-style: none; padding: 0; margin: var(--space-4) 0; display: grid; gap: 10px; }
.welcome-steps li { counter-increment: s; display: flex; gap: 12px; align-items: flex-start; color: var(--color-text-body); }
.welcome-steps li::before {
    content: counter(s);
    width: 24px; height: 24px; flex: none;
    border-radius: 50%;
    background: var(--color-accent-soft);
    color: var(--color-accent);
    font-size: var(--text-xs);
    font-weight: 700;
    display: inline-flex; align-items: center; justify-content: center;
}
.welcome-actions { display: flex; gap: var(--space-2); flex-wrap: wrap; }

.preview-notices { display: flex; flex-direction: column; gap: 6px; padding: var(--space-2) var(--space-3) 0; }
.preview-notices:empty { display: none; }
.preview-notices .notice { padding: 6px 10px; }

.runtime-log { max-height: 140px; overflow: auto; font-family: var(--font-mono); font-size: var(--text-xs); padding: 6px 12px; border-top: 1px solid var(--color-border); }
.runtime-log:empty { display: none; }
.runtime-log .log-error { color: var(--color-error); }
.runtime-log .log-blocked { color: var(--color-warning); }

/* Vergleich */
.compare-stage { flex: 1; min-height: 0; display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); padding: var(--space-3); background: var(--color-inset); overflow: auto; }
.compare-stage.overlay { grid-template-columns: 1fr; }
.compare-pane { display: flex; flex-direction: column; min-height: 0; min-width: 0; }
.compare-pane-head { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.6px; color: var(--color-text-muted); padding: 0 0 6px; display: flex; justify-content: space-between; }
.compare-viewport { position: relative; flex: 1; min-height: 360px; overflow: auto; }
.compare-viewport .preview-frame-wrap { margin: 0; }
.overlay-wrap { position: relative; flex: 1; min-height: 360px; overflow: auto; }
.overlay-wrap .preview-frame-wrap { position: absolute; top: 0; left: 0; }
.overlay-wrap .overlay-top { pointer-events: none; }
.overlay-wrap.difference .overlay-top { mix-blend-mode: difference; }

.measure-table td.diff { color: var(--color-warning); font-weight: 600; }
.measure-table td.same { color: var(--color-success); }

.checklist { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.checklist label { display: flex; gap: 10px; align-items: flex-start; padding: 6px 8px; border-radius: var(--radius-sm); cursor: pointer; color: var(--color-text-body); font-size: var(--text-sm); }
.checklist label:hover { background: var(--color-inset-hover); }
.checklist input { accent-color: var(--color-accent); margin-top: 3px; }
.checklist input:checked + span { color: var(--color-text-muted); text-decoration: line-through; }
.progress { height: 6px; border-radius: 6px; background: var(--color-inset); overflow: hidden; }
.progress > i { display: block; height: 100%; background: var(--color-accent); border-radius: 6px; transition: width var(--transition); }

/* Komponenten */
.component-preview { height: 260px; border-radius: var(--radius-sm); overflow: hidden; background: #fff; }
.component-preview iframe { width: 100%; height: 100%; border: 0; display: block; }
.component-editors { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); min-height: 280px; }
.component-editors .editor { min-height: 280px; }
.mini-editor { display: flex; flex-direction: column; min-height: 0; }
.mini-editor .editor { flex: 1; }
.mini-editor-label { font-size: var(--text-xs); color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.6px; padding-bottom: 6px; }

.editor-pair { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); flex: 1; min-height: 0; padding: var(--space-3); }
.editor-pair > .mini-editor { min-height: 0; }

.asset-thumb { width: 44px; height: 44px; object-fit: contain; background: var(--color-inset); border-radius: var(--radius-sm); display: block; }
.asset-thumb-placeholder { width: 44px; height: 44px; border-radius: var(--radius-sm); background: var(--color-inset); display: inline-flex; align-items: center; justify-content: center; color: var(--color-text-faint); }
.rec-half { flex: 1 1 50%; }
.rec-preview { display: flex; min-height: 0; }
.rec-preview-stage { min-height: 240px; }
.measure-drawer { max-height: 38vh; overflow: auto; }
.overlay-layer { position: absolute; inset: 0; }