.li-tool{max-width:900px;margin:0 auto;padding:var(--ds-space-6) var(--ds-space-4)}.li-tool__header{display:grid;gap:var(--ds-space-2);margin-top:var(--ds-space-6);margin-bottom:var(--ds-space-4)}.li-tool__title{margin:0;font-size:clamp(1.3rem,4.2vw,1.8rem);letter-spacing:var(--ds-tracking-tight)}.li-tool__subtitle{margin:0;color:var(--ds-color-text-muted);line-height:var(--ds-leading-relaxed)}.li-tool__note{margin:0;font-size:var(--ds-text-xs);color:var(--ds-color-text-muted)}.li-tool__body{display:grid;gap:var(--ds-space-5);grid-template-columns:1fr}@media(min-width:52rem){.li-tool__body{grid-template-columns:1fr 1fr;align-items:start}}.li-tool__editor{display:grid;gap:var(--ds-space-3)}.li-tool__toolbar{display:flex;gap:var(--ds-space-1);flex-wrap:wrap}.li-tool__tb-btn{display:inline-flex;align-items:center;justify-content:center;min-width:36px;min-height:36px;padding:0 var(--ds-space-2);border:var(--ds-border-1) solid var(--ds-color-border);border-radius:var(--ds-radius-2);background:var(--ds-color-surface);color:var(--ds-color-text);font-size:var(--ds-text-sm);font-family:inherit;cursor:pointer;transition:background .15s,border-color .15s;user-select:none}.li-tool__tb-btn:hover{background:var(--ds-color-surface-2, var(--ds-color-surface));border-color:var(--ds-color-text-muted)}.li-tool__tb-btn:focus-visible{outline:2px solid var(--ds-color-accent);outline-offset:1px}.li-tool__tb-btn--bold{font-weight:700}.li-tool__tb-btn--italic{font-style:italic}.li-tool__tb-btn--bolditalic{font-weight:700;font-style:italic}.li-tool__input{width:100%;font-size:16px;line-height:1.5;font-family:inherit;border:var(--ds-border-1) solid var(--ds-color-border);border-radius:var(--ds-radius-2);padding:var(--ds-space-3);background:var(--ds-color-surface);color:var(--ds-color-text);min-height:14rem;resize:vertical}.li-tool__actions{display:flex;flex-wrap:wrap;gap:var(--ds-space-2)}.li-tool__actions .ds-btn{min-height:44px}.li-tool__status{min-height:1.25rem;font-size:var(--ds-text-sm);color:var(--ds-color-text-muted)}.li-tool__panels{display:grid;gap:var(--ds-space-3)}.li-tool__panel{border:var(--ds-border-1) solid var(--ds-color-border);border-radius:var(--ds-radius-2);background:var(--ds-color-surface);padding:var(--ds-space-3);display:grid;gap:var(--ds-space-1)}.li-tool__panel-title{margin:0;font-size:var(--ds-text-sm);font-weight:600;letter-spacing:var(--ds-tracking-tight)}.li-tool__panel-desc{margin:0;font-size:var(--ds-text-sm);color:var(--ds-color-text-muted);line-height:var(--ds-leading-relaxed)}.li-tool__badge{display:inline-block;font-size:var(--ds-text-xs);padding:.15rem .5rem;border-radius:999px;border:var(--ds-border-1) solid var(--ds-color-border);color:var(--ds-color-text-muted);margin-top:var(--ds-space-1)}.li-tool__badge--warn{border-color:color-mix(in srgb,var(--ds-color-warning) 45%,var(--ds-color-border));color:color-mix(in srgb,var(--ds-color-warning) 55%,var(--ds-color-text));background:color-mix(in srgb,var(--ds-color-warning) 10%,var(--ds-color-surface))}.li-tool__badge--good{border-color:color-mix(in srgb,green 30%,var(--ds-color-border));color:color-mix(in srgb,green 40%,var(--ds-color-text));background:color-mix(in srgb,green 8%,var(--ds-color-surface))}.li-tool__results{margin-top:var(--ds-space-5)}.li-tool__section-title{margin:0 0 var(--ds-space-3);font-size:var(--ds-text-md);font-weight:600;letter-spacing:var(--ds-tracking-tight)}.li-tool__preview{border:var(--ds-border-1) solid var(--ds-color-border);border-radius:var(--ds-radius-2);background:var(--ds-color-surface);padding:var(--ds-space-4);min-height:6rem}.li-tool__preview-body{font-size:var(--ds-text-sm);line-height:1.6;white-space:pre-wrap;word-break:break-word}.li-tool__preview-body mark{background:color-mix(in srgb,var(--ds-color-warning) 25%,var(--ds-color-surface));color:inherit;border-radius:2px;padding:0 2px}.li-tool__keyword-sentence{margin-top:var(--ds-space-6);font-size:var(--ds-text-sm);color:var(--ds-color-text-muted);line-height:var(--ds-leading-relaxed)}.li-tool__faq{margin-top:var(--ds-space-6);margin-bottom:var(--ds-space-6)}.li-tool__faq-item{border:var(--ds-border-1) solid var(--ds-color-border);border-radius:var(--ds-radius-2);background:var(--ds-color-surface);overflow:clip;margin-bottom:var(--ds-space-2)}.li-tool__faq-item summary{cursor:pointer;padding:var(--ds-space-3);font-weight:600;font-size:var(--ds-text-sm);list-style:none}.li-tool__faq-item summary::-webkit-details-marker{display:none}.li-tool__faq-item summary:after{content:"▾";float:right;opacity:.7}.li-tool__faq-item[open] summary:after{content:"▴"}.li-tool__faq-item p{margin:0;padding:0 var(--ds-space-3) var(--ds-space-3);font-size:var(--ds-text-sm);color:var(--ds-color-text-muted);line-height:var(--ds-leading-relaxed);border-top:var(--ds-border-1) solid var(--ds-color-border);padding-top:var(--ds-space-3)}.li-tool__ai-disclaimer{margin:0;font-size:var(--ds-text-xs);color:var(--ds-color-text-muted)}.li-tool__ai-result{margin-top:var(--ds-space-2);padding-top:var(--ds-space-2);border-top:var(--ds-border-1) dashed var(--ds-color-border);display:grid;gap:var(--ds-space-1)}.li-tool__ai-result-title{margin:0;font-size:var(--ds-text-xs);font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--ds-color-text-muted)}.li-tool__ai-text{margin:var(--ds-space-1) 0 0;font-size:var(--ds-text-sm);line-height:var(--ds-leading-relaxed);color:var(--ds-color-text)}.li-tool__ai-suggestion{color:var(--ds-color-text-muted)}.li-tool__ai-loading{font-size:var(--ds-text-sm);color:var(--ds-color-text-muted);animation:li-pulse 1.5s ease-in-out infinite}@keyframes li-pulse{0%,to{opacity:1}50%{opacity:.4}}.li-tool__ai-issues{margin:var(--ds-space-1) 0 0;padding-left:var(--ds-space-4);font-size:var(--ds-text-sm);line-height:var(--ds-leading-relaxed)}.li-tool__ai-issues li{margin-bottom:var(--ds-space-1)}.li-tool__ai-issues mark{background:color-mix(in srgb,var(--ds-color-warning) 25%,var(--ds-color-surface));color:inherit;border-radius:2px;padding:0 2px}.li-tool__score{display:inline-block;font-size:var(--ds-text-xs);font-weight:600;padding:.15rem .5rem;border-radius:999px;border:var(--ds-border-1) solid var(--ds-color-border)}.li-tool__score--good{border-color:color-mix(in srgb,green 30%,var(--ds-color-border));color:color-mix(in srgb,green 40%,var(--ds-color-text));background:color-mix(in srgb,green 8%,var(--ds-color-surface))}.li-tool__score--neutral{border-color:var(--ds-color-border);color:var(--ds-color-text-muted);background:var(--ds-color-surface)}.li-tool__score--warn{border-color:color-mix(in srgb,var(--ds-color-warning) 45%,var(--ds-color-border));color:color-mix(in srgb,var(--ds-color-warning) 55%,var(--ds-color-text));background:color-mix(in srgb,var(--ds-color-warning) 10%,var(--ds-color-surface))}@media(max-width:36rem){.li-tool{padding:var(--ds-space-5) var(--ds-space-3)}.li-tool__actions .ds-btn{flex:1 1 auto}}