:root{--ink:#161616;--muted:#525252;--line:#e0e0e0;--field:#f4f4f4;--accent:#0f62fe;--accent-hover:#0353e9;--error:#da1e28;--error-bg:#fff1f1;--page:#f4f4f4;--card:#fff}*{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%}body{background:var(--page);color:var(--ink);font:16px/1.5 IBM Plex Sans,IBM Plex Sans Arabic,system-ui,sans-serif}[dir=rtl] body{font-family:IBM Plex Sans Arabic,IBM Plex Sans,system-ui,sans-serif}.sign{max-width:640px;margin:0 auto;padding:16px 16px 48px}.sign-language{display:flex;justify-content:flex-end;gap:4px;margin-bottom:16px}.sign-language button{background:none;border:1px solid transparent;color:var(--accent);font:inherit;font-size:14px;padding:6px 12px;cursor:pointer}.sign-language button[aria-pressed=true]{border-color:var(--line);background:var(--card);color:var(--ink)}.sign-card{background:var(--card);padding:24px;border-top:3px solid var(--accent)}.sign-card h1{font-size:24px;line-height:32px;font-weight:600;margin-bottom:8px}.sign-card>p{color:var(--muted);margin-bottom:20px}.sign-field{display:flex;flex-direction:column;gap:6px;margin-bottom:20px}.sign-field label{font-size:13px;color:var(--muted)}.sign-field input{font:inherit;font-size:16px;padding:12px;background:var(--field);border:0;border-bottom:1px solid #8d8d8d;width:100%;border-radius:0}.sign-field input:focus,.sign-pad canvas:focus{outline:2px solid var(--accent);outline-offset:-2px}.sign-field small,.sign-muted{font-size:13px;color:var(--muted)}.sign-muted{margin-top:12px}.sign-note{background:#edf5ff;border-inline-start:3px solid var(--accent);padding:12px 16px;margin-bottom:20px;font-size:14px}.sign-primary{width:100%;font:inherit;font-weight:600;padding:14px 16px;background:var(--accent);color:#fff;border:0;cursor:pointer;min-height:48px}.sign-primary:hover:not(:disabled){background:var(--accent-hover)}.sign-primary:disabled{background:#c6c6c6;color:#8d8d8d;cursor:not-allowed}.sign-error{background:var(--error-bg);border-inline-start:3px solid var(--error);padding:12px 16px;margin-bottom:20px;font-size:14px}.sign-receipt{border:1px solid var(--line);padding:20px;margin-bottom:24px;display:flex;flex-direction:column}.sign-receipt header{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:16px;font-size:18px}.sign-receipt header span{color:var(--muted);font-size:14px}.sign-receipt small{font-size:12px;font-weight:600;color:var(--muted);margin-top:12px}.sign-receipt p,.sign-receipt span{overflow-wrap:anywhere}.sign-receipt em{font-style:normal;font-size:13px;color:var(--muted)}.sign-amount{font-size:28px;line-height:36px;font-weight:600}.sign-pair{display:grid;grid-template-columns:1fr 1fr;gap:16px}.sign-pair>div{display:flex;flex-direction:column;min-width:0}.sign-prewrap{white-space:pre-wrap}.sign-ack{margin-top:16px;padding-top:12px;border-top:1px solid var(--line)}.sign-consent{display:flex;gap:12px;align-items:flex-start;background:var(--field);padding:16px;margin-bottom:20px;font-size:15px;cursor:pointer}.sign-consent input{width:20px;height:20px;flex:none;margin-top:2px;accent-color:var(--accent)}.sign-pad{position:relative;background:#fff;border:1px solid #8d8d8d}.sign-pad canvas{display:block;width:100%;height:180px;touch-action:none;cursor:crosshair}.sign-pad:after{content:"";position:absolute;left:24px;right:24px;bottom:40px;border-bottom:1px dashed #a8a8a8;pointer-events:none}.sign-clear{position:absolute;top:8px;inset-inline-end:8px;background:var(--card);border:1px solid var(--line);font:inherit;font-size:13px;padding:4px 10px;cursor:pointer}.sign-card dl{display:grid;gap:4px 16px;margin:0 0 24px;font-size:14px}.sign-card dt{color:var(--muted)}.sign-card dd{margin-bottom:8px}.sign-card code{font:12px/18px IBM Plex Mono,ui-monospace,monospace;overflow-wrap:anywhere}@media(max-width:480px){.sign-card{padding:20px 16px}.sign-pair{grid-template-columns:1fr}}