:root{color-scheme:dark;--bg: #0d1117;--panel: #161b22;--panel-2: #1c232c;--border: #30363d;--text: #e6edf3;--muted: #8b949e;--accent: #7ee787;--accent-2: #58a6ff;--danger: #f85149;--radius: 14px}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:radial-gradient(1200px 800px at 10% -10%,#14213d 0%,transparent 40%),radial-gradient(900px 600px at 100% 0%,#1a2f2a 0%,transparent 45%),var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Inter,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.45;-webkit-font-smoothing:antialiased}.app{min-height:100%;display:flex;flex-direction:column}.header{display:flex;align-items:center;justify-content:space-between;padding:16px 22px;border-bottom:1px solid var(--border);background:#0d1117b3;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);position:sticky;top:0;z-index:10}.brand{color:var(--text);text-decoration:none;font-weight:600;letter-spacing:.02em;display:flex;align-items:center;gap:8px}.brand-mark{color:var(--accent)}.header-tag{font-size:12px;color:var(--muted);border:1px solid var(--border);padding:2px 8px;border-radius:999px}.main{flex:1;padding:22px;display:flex;justify-content:center}.main>*{width:100%;max-width:900px;display:flex;flex-direction:column;gap:18px}.footer{padding:14px 22px;border-top:1px solid var(--border);color:var(--muted);font-size:13px;text-align:center}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:22px}.card.compact{padding:18px}.card.muted{background:var(--panel-2);color:var(--muted)}.card h1,.card h2{margin:0 0 8px}.card h1{font-size:24px}.card h2{font-size:18px}.card h3{margin:0 0 8px;font-size:15px;color:var(--text)}.card ul{margin:4px 0 0;padding-left:20px}.card ul li{margin:4px 0}.muted,.lead p{color:var(--muted)}.cta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.pair-form{display:flex;gap:10px;margin-top:6px}.code-input{flex:1;background:var(--panel-2);border:1px solid var(--border);border-radius:10px;color:var(--text);padding:12px 14px;font-size:18px;letter-spacing:.15em;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase}.btn{background:var(--panel-2);border:1px solid var(--border);color:var(--text);padding:10px 16px;border-radius:10px;cursor:pointer;font-size:15px;transition:border-color .15s,transform .05s}.btn:hover{border-color:var(--accent-2)}.btn:active{transform:translateY(1px)}.btn.small{padding:7px 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700px){.pair-grid{grid-template-columns:1fr}}.qr-panel{display:flex;align-items:center;justify-content:center;background:var(--panel-2);border-radius:12px;padding:12px;border:1px solid var(--border)}.qr{width:100%;max-width:320px;image-rendering:pixelated;border-radius:8px}.qr-placeholder{color:var(--muted);padding:40px 12px}.pair-info{display:flex;flex-direction:column;gap:10px}.field-label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-top:6px}.link-row{display:flex;gap:8px}.link-input{flex:1;background:var(--panel-2);border:1px solid var(--border);border-radius:8px;color:var(--text);padding:8px 10px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}.link-input.tiny{font-size:11px}.short-code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:28px;letter-spacing:.2em;color:var(--accent);background:var(--panel-2);border:1px solid var(--border);border-radius:10px;padding:10px 14px;text-align:center;font-weight:700}.sas-card{border-color:#58a6ff59}.sas{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:44px;letter-spacing:.24em;text-align:center;padding:14px 8px;background:var(--panel-2);border:1px solid var(--border);border-radius:12px;color:var(--text);margin:10px 0}.sas-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.peer-hint{color:var(--accent-2);font-size:13px}.text-target,.text-source{width:100%;min-height:220px;background:var(--panel-2);border:1px solid var(--border);border-radius:12px;color:var(--text);font-size:17px;line-height:1.5;padding:14px 16px;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Inter,Segoe UI,Roboto,sans-serif;resize:vertical;margin-top:10px}.text-source{min-height:280px;font-size:19px}.text-source:disabled{opacity:.6}.join-actions{display:flex;justify-content:space-between;margin-top:10px;gap:10px;flex-wrap:wrap}.host,.join,.home{display:flex;flex-direction:column;gap:18px}.header-actions{display:flex;align-items:center;gap:10px}.header-link{color:var(--text);text-decoration:none;font-size:14px;border-bottom:1px solid transparent}.header-link:hover{border-bottom-color:var(--accent-2)}.prompt-group{margin-top:10px}.prompt-list{list-style:none;padding:0;margin:4px 0 0;display:flex;flex-direction:column;gap:8px}.prompt-list a{display:block;padding:12px 14px;background:var(--panel-2);border:1px solid var(--border);border-radius:10px;color:var(--text);text-decoration:none;transition:border-color .12s}.prompt-list a:hover{border-color:var(--accent-2)}.prompt-name{font-weight:600;display:flex;gap:6px;align-items:center}.prompt-name .star{color:var(--accent)}.prompt-desc{color:var(--muted);font-size:13px;margin-top:4px}.prompt-meta{margin-top:8px;display:flex;gap:6px;flex-wrap:wrap}.chip{font-size:11px;padding:2px 8px;border:1px solid var(--border);border-radius:999px;color:var(--muted)}.chip.warn{color:var(--danger);border-color:#f8514966}.context-list,.checkbox-grid{list-style:none;padding:0;margin:6px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:8px 16px}@media (max-width: 640px){.context-list,.checkbox-grid{grid-template-columns:1fr}}.context-list li,.checkbox-grid label{display:block}.context-list label,.checkbox-grid label{display:flex;align-items:center;gap:8px;cursor:pointer;padding:6px 8px;background:var(--panel-2);border:1px solid var(--border);border-radius:8px;font-size:13px}.context-list input[type=checkbox],.checkbox-grid input[type=checkbox]{accent-color:var(--accent)}code{background:var(--panel-2);border:1px solid var(--border);border-radius:4px;padding:1px 5px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;color:var(--accent)}.link-input.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}.chip.mono-chip{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--text)}.chip.success{color:var(--accent);border-color:#7ee78766}.card.test-ok{border-color:#7ee78780}.card.test-fail{border-color:#f8514980}.test-detail{margin:4px 0 0;padding-left:18px}.render-preview{background:var(--panel-2);border:1px solid var(--border);border-radius:8px;padding:10px 12px;white-space:pre-wrap;word-break:break-word;overflow-x:auto}.device-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.device-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--panel-2);border:1px solid var(--border);border-radius:8px;padding:10px 12px}.btn.danger{background:transparent;border-color:#f8514966;color:var(--danger)}.perm-list{margin:4px 0 0;padding-left:18px;color:var(--muted)}.perm-list li{margin:3px 0}.success{color:var(--accent)}.input{width:100%;background:var(--panel-2);border:1px solid var(--border);color:var(--text);padding:8px 10px;border-radius:6px;font-size:14px}.input.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.08em;text-transform:uppercase}.checkbox-row{display:flex;align-items:center;gap:8px;color:var(--text);font-size:13px;cursor:pointer}.star{color:var(--accent);margin-right:4px}