:root{--text:#16332c;--page:#f4f6f2;--card:#fff;--muted:#466156;--subtle:#6a7c70;--link:#23694f;--border:#d9e2d9;--soft:#e8f1e8;--primary:#1c634b;--primary-hover:#154e3a;--warning:#fff7e6;--warning-border:#f0d79e;--error:#fff0ed;--error-text:#8b3326}
:root{color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:var(--page);font-synthesis:none;line-height:1.55}*{box-sizing:border-box}body{margin:0}main{width:min(100% - 40px,720px);margin:0 auto;padding:32px 0 26px}header{display:flex;align-items:center;gap:10px;font-weight:650;font-size:15px;margin-bottom:66px}header a{margin-left:auto;font-size:13px;font-weight:500}.mark{font-size:25px;color:var(--link)}a{color:var(--link);text-underline-offset:3px}a:hover{text-decoration-thickness:2px}.eyebrow{font-size:11px;letter-spacing:.14em;font-weight:750;color:var(--muted)}h1{font-size:clamp(40px,8vw,68px);line-height:1.07;letter-spacing:-.055em;margin:18px 0 22px;font-weight:650}h2{font-size:20px;line-height:1.25;letter-spacing:-.02em;margin:0}p{margin:14px 0}.intro{font-size:19px;max-width:540px;color:var(--muted)}.compatibility{font-size:14px;padding:19px 0 27px;color:var(--muted)}.compatibility strong{color:var(--text)}small{font-size:12px}.card,.notice{background:var(--card);border:1px solid var(--border);border-radius:20px;margin:18px 0;padding:26px}.step-heading{display:flex;align-items:center;gap:12px}.step{display:grid;place-items:center;flex-shrink:0;width:30px;height:30px;background:var(--soft);color:var(--link);border-radius:50%;font-weight:700;font-size:14px}.card>p{color:var(--muted);font-size:15px}.primary,.secondary{font:inherit;font-size:14px;font-weight:650;cursor:pointer;border-radius:10px;padding:12px 18px;border:1px solid transparent;min-height:44px}.primary{background:var(--primary);color:var(--card)}.primary:hover{background:var(--primary-hover)}.secondary{background:var(--page);color:var(--text);border-color:var(--border)}.primary:disabled,.secondary:disabled{opacity:.45;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #e6a334;outline-offset:3px}.subtle{font-size:12px!important;color:var(--subtle)!important}.warning{background:var(--warning);border:1px solid var(--warning-border);padding:16px;border-radius:12px;font-size:14px;margin:20px 0}.warning p{margin-bottom:0}#status{background:var(--soft);padding:18px 20px;border-radius:12px;font-size:14px;margin:18px 0}#status.error{background:var(--error);color:var(--error-text)}.notice{background:var(--warning);border-color:var(--warning-border)}.notice p{font-size:14px}label[for=setup-code]{display:block;font-size:12px;font-weight:650;margin-top:24px}.code-row{display:flex;align-items:center;gap:10px;margin-top:8px}.code-row input{font:650 clamp(22px,5vw,32px)/1.4 ui-monospace,SFMono-Regular,monospace;min-width:0;width:100%;border:1px solid var(--border);border-radius:10px;padding:8px 12px;background:var(--card);color:var(--text)}#qr{width:240px;max-width:100%;margin:24px auto;background:var(--card)}#qr svg{display:block;width:100%;height:auto}.success{color:var(--link)!important}footer{font-size:12px;color:var(--subtle);padding:12px 3px}footer p{margin:12px 0}[hidden]{display:none!important}@media(max-width:480px){main{width:calc(100% - 28px);padding-top:22px}header{margin-bottom:40px;font-size:13px}.card,.notice{padding:20px;border-radius:16px}h2{font-size:18px}.intro{font-size:17px}.code-row{gap:6px}.code-row input{padding:9px 8px}.code-row button{padding:11px}.card .primary{width:100%}}

fieldset.card{min-inline-size:0}fieldset.card:disabled{opacity:.6}.theme-toggle{padding:0;width:36px;min-height:36px;font-size:18px;flex-shrink:0}.primary{color:#fff}#qr{background:#fff}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){color-scheme:dark;--text:#e0eee6;--page:#101814;--card:#19251f;--muted:#b5c9bc;--subtle:#a6baad;--link:#8bd9b1;--border:#3c5145;--soft:#263e31;--primary:#276b50;--primary-hover:#337e60;--warning:#382d19;--warning-border:#806437;--error:#42241f;--error-text:#ffc0b4}}
:root[data-theme="dark"]{color-scheme:dark;--text:#e0eee6;--page:#101814;--card:#19251f;--muted:#b5c9bc;--subtle:#a6baad;--link:#8bd9b1;--border:#3c5145;--soft:#263e31;--primary:#276b50;--primary-hover:#337e60;--warning:#382d19;--warning-border:#806437;--error:#42241f;--error-text:#ffc0b4}
.setup-instructions{font-size:16px;margin:22px 0;padding-left:24px}.setup-instructions li{padding-left:6px;margin:12px 0}.setup-instructions li::marker{font-weight:700;color:var(--link)}