@supports (font-variation-settings: normal){:root{--font-sans: Inter, "Segoe UI", Roboto, "Helvetica Neue", Arial, system-ui, sans-serif}}@supports not (font-variation-settings: normal){:root{--font-sans: "Segoe UI", Roboto, "Helvetica Neue", Arial, system-ui, sans-serif}}html,body,#root{height:100%}html,body{margin:0;font-family:var(--font-sans);line-height:1.6;color:#1f2937}body{background:linear-gradient(135deg,#f4d7ec,#d0e8f7);background-repeat:no-repeat;background-size:cover;background-attachment:fixed}.page-wrap{max-width:880px;margin:6vh auto 0;padding:0 16px}.main-card{background:#fff;border-radius:12px;box-shadow:0 10px 30px #10182814;padding:28px;margin:28px auto}header{display:flex;justify-content:center;align-items:center;margin-bottom:6px}h1{margin:0;text-align:center;font-weight:700;letter-spacing:-.02em;font-size:clamp(28px,3.6vw,42px);color:#2b1933}.lead{margin:8px 0 18px;color:#475569;text-align:center;font-size:15.5px}.patent-textarea{width:100%;min-height:260px;padding:12px 14px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:14px;color:#0f172a;background:#fff;border:1px solid #d1d5db;border-radius:8px;resize:vertical;outline:none;transition:box-shadow .16s ease,border-color .16s ease}.patent-textarea::placeholder{color:#9ca3af;opacity:.5}.patent-textarea:focus{border-color:#93c5fd;box-shadow:0 0 0 4px #3b82f626}button{background-color:#2563eb;color:#fff;border:none;padding:10px 16px;border-radius:8px;cursor:pointer;font-size:15px;font-weight:600;transition:transform 80ms ease,background-color .16s ease,box-shadow .16s ease}button:hover{background-color:#1d4ed8}button:active{transform:translateY(1px)}button:disabled{background-color:#93c5fd;cursor:default;box-shadow:none}.status-line{margin-left:12px;font-style:italic;color:#475569}details{margin-top:18px}summary{cursor:pointer;list-style:none;position:relative;padding-left:18px;color:#334155;font-weight:600}summary::marker{display:none}summary:before{content:"▸";position:absolute;left:0;transition:transform .16s ease;color:#64748b}details[open] summary:before{transform:rotate(90deg)}details ul{margin:10px 0 0 18px;padding:0}footer{text-align:center;margin:28px 0 36px;color:#6b7280}@media (max-width: 640px){.main-card{padding:20px}.patent-textarea{min-height:210px}}