:root{color-scheme:light dark;--bg:#f5f6f8;--surface:#fff;--ink:#182c37;--muted:#536873;--line:#d8e1e6;--accent:#087c70;--accent-hover:#056659;--soft:#e7f4ef;--alert:#9c2929;--alert-bg:#fff0ed;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:16px;line-height:1.6}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink)}a{color:var(--accent);text-underline-offset:3px}button,input,textarea{font:inherit}button,.button{display:inline-flex;align-items:center;justify-content:center;gap:1rem;min-height:46px;border:1px solid var(--line);background:var(--surface);color:var(--ink);padding:.65rem 1.2rem;border-radius:10px;font-weight:650;cursor:pointer;text-decoration:none;line-height:1.4}button:hover,.button:hover{border-color:var(--accent)}button:disabled{opacity:.65;cursor:wait}.primary{background:var(--accent);border-color:var(--accent);color:#fff}.primary:hover{background:var(--accent-hover)}.wide{width:100%}.quiet{background:transparent;border:0;font-size:.9rem}.shell{max-width:1040px;margin:auto;padding:0 28px}header{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:100px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:750;text-decoration:none}.brand-sub{color:var(--muted);font-weight:450}.mark{background:var(--ink);color:var(--surface);width:30px;height:30px;display:grid;place-items:center;border-radius:9px}main{padding:48px 0 56px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(2.2rem,5vw,3.5rem);letter-spacing:-.045em;line-height:1.1;margin-bottom:20px;font-weight:700}h2{font-size:1.45rem;letter-spacing:-.025em;line-height:1.25;margin-bottom:12px}h3{font-size:1.12rem;line-height:1.4;margin-bottom:8px}p{margin-bottom:18px}.eyebrow{font-size:.7rem;letter-spacing:.16em;font-weight:750;color:var(--accent);margin-bottom:14px}.intro{max-width:640px;margin-bottom:34px}.intro>p:last-child,.welcome>p{color:var(--muted);font-size:1.1rem}.welcome{padding:30px 0 0}.welcome>h1{font-size:clamp(3rem,6.5vw,4.6rem)}.welcome>p{max-width:480px}.welcome>.button{margin:10px 0 14px}.welcome>.muted{font-size:.85rem}.welcome-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;margin-top:65px;padding-top:32px;border-top:1px solid var(--line)}.welcome-steps h2{font-size:1.1rem;margin-top:16px}.welcome-steps p{font-size:.95rem;color:var(--muted)}.step-number{display:inline-grid;place-items:center;flex-shrink:0;width:34px;height:34px;border-radius:50%;background:var(--soft);color:var(--accent);font-size:.9rem;font-weight:700}.section-heading{display:flex;align-items:center;gap:14px;margin-bottom:18px}.section-heading h2,.section-heading .eyebrow{margin-bottom:4px}.panel{border:1px solid var(--line);border-radius:18px;padding:28px;background:var(--surface)}.guide{margin-bottom:38px}.notice{padding:14px 16px;background:var(--soft);border-radius:10px;font-size:.92rem}.copy-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px;border:1px solid var(--line);border-radius:12px;margin:24px 0}.field-label,label{display:block;font-size:.85rem;font-weight:650;margin-bottom:6px}.copy-row code{font-family:ui-monospace,monospace;font-size:.95rem}.guides{display:grid;grid-template-columns:1fr 1fr;gap:22px}details>summary{cursor:pointer;font-weight:650;padding:10px 0}summary span{display:block;color:var(--muted);font-size:.8rem;font-weight:450}.steps{padding-left:24px}.steps li{padding-left:4px;margin-bottom:12px;font-size:.95rem}.screenshot-slot{border:1px dashed var(--line);border-radius:9px;padding:20px;text-align:center;font-size:.8rem;color:var(--muted)}.server-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}.server{position:relative;min-width:0;padding:24px}.server-icon{width:40px;height:40px;background:var(--soft);color:var(--accent);font-weight:750;display:grid;place-items:center;border-radius:12px;margin-bottom:24px}.badge{display:inline-block;color:var(--muted);border:1px solid var(--line);border-radius:20px;font-size:.7rem;padding:3px 9px;position:absolute;top:30px;right:20px}.server-url{font-size:.78rem;overflow-wrap:anywhere;margin-bottom:8px}.muted,.hint,.timer,figcaption{color:var(--muted);font-size:.86rem}.server .muted{font-size:.8rem;margin-bottom:22px}.pair-form summary{display:flex;list-style:none;color:var(--accent)}.pair-form summary::-webkit-details-marker{display:none}.pair-form[open] summary{margin-bottom:20px}.pair-form form{padding-top:6px}input,textarea{display:block;width:100%;border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:9px;padding:12px;resize:vertical;font-size:1rem}.hint{font-size:.78rem;margin:6px 0 15px}.alert{background:var(--alert-bg);color:var(--alert);border:1px solid var(--alert);padding:18px 22px;border-radius:12px;margin-bottom:28px}.result{border-color:var(--accent);margin-bottom:36px}.link-content{display:grid;grid-template-columns:1fr 250px;gap:32px;align-items:center;margin:24px 0}.link-content textarea{font-size:.85rem;margin-bottom:12px;overflow-wrap:anywhere}.timer{margin:12px 0}figure{margin:0;text-align:center}.qr{max-width:100%;height:auto;background:white;border-radius:12px}figcaption{font-size:.75rem}.result h3{margin-top:20px}.expired{padding:20px;background:var(--soft);border-radius:10px}.copy-status:not(:empty){border:1px solid var(--accent);background:var(--soft);padding:14px;border-radius:10px;margin-top:24px}footer{border-top:1px solid var(--line);padding:22px 0 32px;color:var(--muted);font-size:.75rem;display:flex;justify-content:space-between;gap:16px}[hidden]{display:none!important}:focus-visible{outline:3px solid var(--accent);outline-offset:4px}
@media(prefers-color-scheme:dark){:root{--bg:#101b22;--surface:#18262e;--ink:#e4edf2;--muted:#a9bac5;--line:#344752;--accent:#6ddac1;--accent-hover:#2c8f7d;--soft:#203e3d;--alert:#ffb7a9;--alert-bg:#382728}.primary{background:#247b6b;border-color:#247b6b;color:#fff}}
@media(max-width:640px){.shell{padding:0 18px}header{min-height:78px}.brand{font-size:.9rem;gap:8px}.brand-sub{font-size:.8rem}.quiet{padding:10px 0;font-size:.8rem}main{padding-top:34px}.panel{padding:22px}.guides,.link-content,.welcome-steps{grid-template-columns:1fr}.guides{gap:8px}.link-content{gap:16px}.copy-row{padding:12px}.copy-row code{font-size:.78rem}.copy-row button{padding:10px 14px}.welcome-steps{gap:16px;margin-top:40px}.welcome-steps>div{display:grid;grid-template-columns:34px 1fr;column-gap:14px}.welcome-steps h2{margin:3px 0 6px}.welcome-steps p{grid-column:2}.section-heading{gap:10px}.section-heading h2{font-size:1.25rem}footer{display:block}footer span{display:block;margin-top:5px}}
.copy-row>div{min-width:0}.copy-row code{overflow-wrap:anywhere}.copy-row button{flex-shrink:0}