:root{color:#172033;background:#f4f7fb;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,input{font:inherit}.page-shell{min-height:100vh;padding:48px 20px;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#ffffffb8,#f4f7fb00),#f4f7fb}.workspace{width:min(100%,520px)}.brand-row{display:flex;align-items:center;gap:16px;margin-bottom:24px}.brand-mark{width:64px;height:64px;border-radius:8px;box-shadow:0 16px 40px #1118272e}.eyebrow{margin:0 0 4px;color:#047857;font-size:13px;font-weight:800;letter-spacing:0;text-transform:uppercase}h1,h2,p{margin-top:0}h1{margin-bottom:0;color:#111827;font-size:34px;line-height:1.12}h2{margin-bottom:8px;color:#111827;font-size:24px;line-height:1.2}.tool-panel{position:relative;padding:24px;border:1px solid #d8e0ea;border-radius:8px;background:#fff;box-shadow:0 24px 70px #1e293b1f}.stack{display:flex;flex-direction:column;gap:14px}.field-label{color:#263449;font-size:14px;font-weight:700}.input-shell{display:grid;grid-template-columns:20px minmax(0,1fr);align-items:center;gap:12px;min-height:52px;padding:0 14px;border:1px solid #cad4e2;border-radius:8px;color:#64748b;background:#fbfdff;transition:border-color .16s ease,box-shadow .16s ease,background .16s ease}.input-shell:focus-within{border-color:#14b8a6;background:#fff;box-shadow:0 0 0 3px #14b8a626}.input-shell input{width:100%;min-width:0;border:0;outline:0;color:#111827;background:transparent}.helper{margin-bottom:4px;color:#5b677a;font-size:14px;line-height:1.55}.helper.danger{color:#9f1239}.submit-button,.secondary-button,.ghost-button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:46px;border-radius:8px;border:1px solid transparent;cursor:pointer;font-weight:800;transition:transform .14s ease,border-color .14s ease,background .14s ease,color .14s ease}.submit-button{width:100%;color:#fff;background:#0f766e}.danger-button{background:#be123c}.secondary-button{padding:0 18px;color:#0f766e;border-color:#99f6e4;background:#f0fdfa}.ghost-button{width:fit-content;min-height:34px;padding:0;color:#334155;background:transparent}.submit-button:disabled{cursor:wait;opacity:.75}.submit-button:not(:disabled):hover,.secondary-button:hover,.ghost-button:hover{transform:translateY(-1px)}.notice,.error-banner{display:grid;grid-template-columns:20px minmax(0,1fr);gap:10px;align-items:start;padding:12px;border-radius:8px;font-size:14px;line-height:1.45}.notice{color:#115e59;border:1px solid #99f6e4;background:#f0fdfa}.error-banner{margin-top:16px;color:#9f1239;border:1px solid #fecdd3;background:#fff1f2}.error-banner:before{content:"!";display:flex;width:20px;height:20px;align-items:center;justify-content:center;border-radius:50%;color:#fff;background:#be123c;font-size:12px;font-weight:900}.result{align-items:flex-start}.result>svg{color:#0f766e}.result p{color:#475569;line-height:1.55}.spin{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:560px){.page-shell{align-items:flex-start;padding:24px 14px}.brand-row{gap:12px;margin-bottom:18px}.brand-mark{width:52px;height:52px}h1{font-size:28px}.tool-panel{padding:18px}}