.studio-wrap{max-width:1200px}
.studio-toolbar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:14px 0}
.studio-layout{display:grid;grid-template-columns:280px 1fr;gap:14px}
.studio-panel,.mode-controls{background:#fff;border:1px solid #d9e2ec;border-radius:10px;padding:12px}
.library-list{display:grid;gap:8px;max-height:340px;overflow:auto}
.library-item{display:grid;grid-template-columns:44px 1fr;gap:8px;padding:6px;border:1px solid #e4ebf3;border-radius:8px;cursor:grab;background:#f9fbfd}
.library-item img{width:44px;height:44px;object-fit:cover;border-radius:6px}
.stage-container{height:640px;border:1px solid #cdd8e6;border-radius:10px;background:#f4f7fb;overflow:hidden}
.hidden{display:none}
.import-label{position:relative;overflow:hidden}
.import-label input{position:absolute;opacity:0;inset:0;cursor:pointer}
.checkbox-inline{display:flex;align-items:center;gap:6px}
.compact{display:flex;gap:6px;flex-wrap:wrap}
.studio-stage-wrap{display:grid;gap:10px;position:relative}
.error-banner{background:#ffe9e9;border:1px solid #e89b9b;color:#8a1f1f;padding:6px 8px;border-radius:6px;margin:8px 0}
.diagnostics-panel{position:absolute;right:12px;top:12px;z-index:5;background:rgba(255,255,255,.95);border:1px solid #d9e2ec;border-radius:8px;padding:8px;min-width:250px;box-shadow:0 2px 8px rgba(15,42,67,.08)}
.diagnostics-panel h4{margin:0 0 6px 0;font-size:13px}
.diag-row{font-size:12px;display:flex;gap:6px;align-items:flex-start;flex-wrap:wrap;margin:2px 0}
.diag-dot{width:10px;height:10px;border-radius:999px;display:inline-block;margin-top:3px}
.diag-ok{background:#2e7d32}
.diag-bad{background:#c62828}
.diag-url{width:100%;color:#8a1f1f;word-break:break-all;padding-left:16px}
.selection-details{margin-bottom:8px;padding:8px;border:1px solid #d9e2ec;border-radius:8px;background:#f9fbfd;color:#324d67}
.modal{position:fixed;inset:0;background:rgba(15,42,67,.55);display:grid;place-items:center;z-index:80;padding:16px}
.modal-card{width:min(560px,100%);background:#fff;border:1px solid #d9e2ec;border-radius:12px;padding:14px;box-shadow:0 8px 28px rgba(15,42,67,.2)}
.modal-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px}
.preview-fallback{display:grid;gap:8px;margin:10px 0 12px}
.preview-placeholder{min-height:170px;border:1px dashed #1c578e;border-radius:10px;background:linear-gradient(135deg,#f4f7fb,#e8eff8);display:grid;place-items:center;padding:16px;text-align:center;color:#1b3d5d;font-weight:600}
.modal.hidden{display:none}

.btn.disabled{opacity:.55;pointer-events:none}