.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
[hidden]{display:none!important}
.tool-header,.tool-footer{width:min(1200px,calc(100% - 64px));margin:auto;display:flex;align-items:center;justify-content:space-between;gap:20px}
.tool-header{height:100px;border-bottom:1px solid var(--line)}
.tool-header-actions{display:flex;align-items:center;gap:12px}.tool-header select{width:auto}
.tool-main{width:min(1100px,calc(100% - 64px));margin:44px auto 70px}
.tool-tabs{display:inline-flex;gap:5px;border:1px solid var(--line);background:var(--surface-alt);padding:5px;border-radius:30px;font-size:12px;font-weight:650}
.tool-tabs a{padding:10px 20px;border-radius:25px;transition:background-color 180ms ease,color 180ms ease}.tool-tabs a[aria-current]{background:var(--navy);color:var(--bg)}
.tool-heading{margin:48px 0 36px}.tool-heading .eyebrow{margin-bottom:14px}.tool-heading h1{font-size:clamp(34px,4.5vw,58px);letter-spacing:-2px;line-height:1.12;max-width:780px}.tool-heading>p:last-child{margin-top:20px;max-width:650px;color:var(--muted);font-size:15px}
.workspace{display:grid;grid-template-columns:1.05fr 1fr;border:1px solid var(--line);border-radius:22px;overflow:hidden;background:var(--surface);box-shadow:0 18px 60px -45px #081d6350}
.input-panel,.output-panel{padding:32px;min-width:0}.output-panel{background:var(--surface-alt);border-left:1px solid var(--line)}
.panel-heading{display:flex;gap:12px;align-items:center;margin-bottom:32px}.panel-heading h2{font-size:15px;letter-spacing:-.3px}.step-number{font:11px Consolas,monospace;border:1px solid var(--line);border-radius:50%;width:29px;height:29px;display:grid;place-items:center;color:var(--muted);flex-shrink:0}
label{display:block;font-size:12px;font-weight:650;margin-bottom:10px}
input,select{font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--line);border-radius:9px;min-height:48px;padding:10px 12px;max-width:100%;width:100%;font-size:14px}
input:focus-visible,select:focus-visible{outline:3px solid #698ef060;outline-offset:2px;border-color:#698ef0}
.url-field{position:relative}.url-field>span{position:absolute;left:15px;top:12px;color:var(--muted)}.url-field input{padding-left:40px}.url-field input[aria-invalid=true]{border-color:#c65050}
.field-hint{color:var(--muted);font-size:11px;margin-top:10px;line-height:1.7}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px}
.generate{width:100%;margin-top:28px;justify-content:space-between;min-height:52px;font-size:13px;border-radius:9px}.generate:disabled{opacity:.65;cursor:wait;transform:none}
.message{font-size:12px;min-height:24px;margin-top:14px;color:var(--accent);overflow-wrap:anywhere}.message.error{color:#ae3434}[data-theme=dark] .message.error{color:#ffabab}
.privacy-note{display:flex;gap:10px;border-top:1px solid var(--line);padding-top:22px;margin-top:18px;color:var(--muted);font-size:11px;line-height:1.8}.privacy-note>span{font-size:20px;color:var(--accent)}
.empty-state{min-height:250px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:var(--muted);padding:18px}
.empty-icon{height:86px;width:86px;border-radius:22px;border:1px solid var(--line);display:grid;place-items:center;font-size:40px;color:var(--accent);margin-bottom:24px;background:var(--surface)}
.empty-state h3{font-size:18px;letter-spacing:-.4px}.empty-state p{font-size:12px;max-width:255px;margin-top:9px}
.ready-badge{margin-left:auto;font-size:9px;padding:4px 8px;border-radius:20px;background:var(--soft);color:var(--green)}
#result-url{display:block;font-size:clamp(16px,2vw,21px);font-weight:650;line-height:1.5;overflow-wrap:anywhere;color:var(--navy)}
.result-caption{font-size:10px;text-transform:uppercase;letter-spacing:1.6px;color:var(--muted);margin:16px 0 8px}
.result-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}.result-actions .button{gap:10px;font-size:12px;border-radius:9px;min-height:46px}
#qr-preview{width:224px;max-width:100%;margin:auto;background:#fff;border:1px solid #dfe4ee;border-radius:12px;padding:12px;line-height:0}#qr-preview svg{width:100%;height:auto}
.how-it-works{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:44px}.how-it-works span{font:10px Consolas,monospace;color:var(--muted)}.how-it-works h3{font-size:14px;margin:10px 0 6px}.how-it-works p{font-size:12px;color:var(--muted)}
.tool-footer{border-top:1px solid var(--line);padding:24px 0 35px;font-size:11px;color:var(--muted)}
@media(max-width:760px){.workspace{grid-template-columns:1fr}.output-panel{border-left:0;border-top:1px solid var(--line)}.tool-main{margin-top:28px}.tool-heading{margin-top:32px}.input-panel,.output-panel{padding:24px}.how-it-works{gap:20px}}
@media(max-width:480px){.tool-header,.tool-footer,.tool-main{width:calc(100% - 32px)}.tool-header{height:80px}.tool-tabs{display:flex}.tool-tabs a{flex:1;text-align:center;padding:10px 12px}.tool-heading h1{letter-spacing:-1.2px}.how-it-works{grid-template-columns:1fr;gap:22px}.settings-grid{gap:10px}.panel-heading{gap:8px}.tool-footer{flex-wrap:wrap}.brand-caption{display:none}}
@media(prefers-reduced-motion:no-preference){.tool-heading{animation:tool-enter 520ms var(--ease-out)}#result{animation:tool-enter 360ms var(--ease-out)}@keyframes tool-enter{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}}