.layer-stack{position:relative;display:inline-block}.layer-stack__trigger{border:none;background:none;color:var(--text-muted);font-family:var(--ui);font-size:.78rem;padding:.25rem .5rem;min-height:32px;cursor:pointer;border-radius:4px}.layer-stack__trigger:hover,.layer-stack__trigger[aria-expanded=true]{color:var(--text);background:var(--hover-bg)}.layer-stack__menu{position:absolute;inset-inline-start:0;top:calc(100% + 4px);z-index:120;min-width:260px;padding:.5rem;border:1px solid var(--border);border-radius:6px;background:var(--bg-elevated);box-shadow:var(--shadow-md);font-family:var(--ui);font-size:.8rem}.layer-stack__row+.layer-stack__row{margin-top:.6rem;padding-top:.6rem;border-top:1px solid var(--border)}.layer-stack__title{color:var(--text);margin-bottom:.35rem}.layer-stack__levels{display:flex;gap:2px;padding:2px;border-radius:6px;background:var(--hover-bg)}.layer-stack__level{flex:1 1;border:none;background:none;border-radius:4px;padding:.2rem .4rem;font-family:inherit;font-size:.74rem;color:var(--text-muted);cursor:pointer;min-height:30px}.layer-stack__level.active{background:var(--bg-elevated);color:var(--text)}.layer-stack__toggle{display:flex;align-items:center;gap:.4rem;cursor:pointer;min-height:30px}.layer-stack__pair{margin-top:.35rem;width:100%;font-family:inherit;font-size:.76rem;padding:.2rem .3rem;border:1px solid var(--border);border-radius:4px;background:var(--bg);color:var(--text)}.layer-stack__gloss-detail{margin-top:.45rem;-webkit-padding-start:.5rem;padding-inline-start:.5rem;-webkit-border-start:2px solid var(--border);border-inline-start:2px solid var(--border);display:flex;flex-direction:column;gap:.35rem}.layer-stack__field{display:flex;flex-direction:column;gap:.15rem}.layer-stack__field-label{font-size:.72rem;color:var(--text-muted)}.layer-stack__gloss-rank{width:7rem;font-family:inherit;font-size:.76rem;padding:.2rem .3rem;border:1px solid var(--border);border-radius:4px;background:var(--bg);color:var(--text)}.layer-stack__gloss-level{margin-top:0}.layer-stack__hint{margin:.35rem 0 0;font-size:.72rem;color:var(--text-faint);line-height:1.4;display:flex;flex-direction:column;gap:.15rem}.layer-stack__hint--reason{color:var(--text-muted)}