:root{--pink: #FF7BA3;--pink-dark: #FF6B98;--pink-soft: #FFE3EC;--canvas: #FFF1F5;--ink: #3D3A47;--ink-soft: #8A8694;--mint: #3DBFA3;--line: #F0E6EC}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--canvas);color:var(--ink)}.wrap{max-width:480px;margin:0 auto;padding:16px;min-height:100vh}.topbar{display:flex;align-items:center;justify-content:space-between;padding:8px 4px 16px}.brand{font-size:18px;font-weight:800}.brand small{display:block;font-size:12px;font-weight:600;color:var(--ink-soft)}.muted{color:var(--ink-soft);font-size:13px}.card{background:#fff;border-radius:20px;padding:18px;box-shadow:0 12px 28px -20px #785a8280;margin-bottom:14px}.card h2{font-size:16px;font-weight:800;margin-bottom:12px;display:flex;align-items:center;gap:8px}label{display:block;font-size:13px;font-weight:700;color:var(--ink-soft);margin:10px 0 6px}input{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:14px;font-size:16px;background:#fff;color:var(--ink);outline:none}input:focus{border-color:var(--pink)}button{width:100%;padding:13px;border:none;border-radius:14px;font-size:15px;font-weight:800;background:linear-gradient(135deg,#FF9DBB,var(--pink-dark));color:#fff;cursor:pointer;margin-top:12px;transition:transform .1s}button:active{transform:scale(.97)}button:disabled{opacity:.5;cursor:default}button.ghost{background:#fff;color:var(--pink-dark);border:1px solid var(--pink-soft)}.tabs{display:flex;gap:8px;margin-bottom:14px}.tabs button{margin:0}.tabs button.off{background:#fff;color:var(--ink-soft);border:1px solid var(--line)}.result{background:var(--pink-soft);border-radius:14px;padding:14px;margin-top:12px}.result .big{font-size:26px;font-weight:900;color:var(--pink-dark)}.row{display:flex;justify-content:space-between;padding:6px 0;font-size:14px}.row b{font-weight:800}.err{background:#fee2e2;color:#b91c1c;border-radius:12px;padding:10px 12px;font-size:13px;margin-top:10px;font-weight:600}.ok{color:var(--mint);font-weight:800}.pill{display:inline-block;background:var(--pink-soft);color:var(--pink-dark);font-size:12px;font-weight:800;padding:3px 10px;border-radius:99px}.linkbtn{background:none;color:var(--ink-soft);width:auto;padding:4px;font-size:12px;font-weight:700;margin:0}