:root{color-scheme:light;--bg:#f5f4ef;--ink:#183d35;--muted:#727d76;--line:#e3e6df;--white:#fff;--accent:#d9eaa8;--error:#a53f35;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);line-height:1.5}button,input{font:inherit}button{cursor:pointer;border:0;border-radius:12px;min-height:44px}button:disabled{opacity:.45;cursor:not-allowed}button:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid #9eb76c;outline-offset:3px}.app{max-width:540px;margin:auto;padding:26px 20px 36px}header,.brand,.door-top,.row,.backup,.key-field{display:flex;align-items:center;gap:12px}header,.door-top{justify-content:space-between}.brand{font-weight:700;letter-spacing:.03em}.version{font-size:11px;color:var(--muted)}.intro{padding:40px 0 28px}.eyebrow{font-size:11px;letter-spacing:.14em;color:var(--muted)}h1{font-size:40px;letter-spacing:-.05em;font-weight:600;margin:8px 0}p{margin:0}.intro p{font-size:14px;color:var(--muted)}.door-card{background:var(--ink);color:white;border-radius:24px;padding:26px;box-shadow:0 12px 36px #163c3512}.door-card .eyebrow{color:#abc5b8}h2{font-size:22px;margin:7px 0 0;font-weight:500}.badge{background:#ffffff12;color:#d5e3da;border:1px solid #ffffff20;border-radius:30px;padding:6px 9px;font-size:10px;white-space:nowrap}.status-line{display:flex;align-items:center;gap:8px;margin:28px 0 5px;font-size:14px}.dot{height:7px;width:7px;background:#d9eaa8;border-radius:50%;flex-shrink:0}.device-label{font-size:12px;color:#b3c8bd;overflow-wrap:anywhere}.primary{background:var(--accent);color:var(--ink);width:100%;padding:18px 20px;text-align:left;margin:24px 0 8px;font-size:18px;font-weight:600;display:flex;justify-content:space-between;align-items:center}.primary span{font-size:25px}.quiet{background:transparent;color:inherit;padding:8px 10px;font-size:13px}.door-card .quiet{color:#d4e1d9}.row{flex-wrap:wrap}.door-card .hint{color:#b3c8bd;margin-top:17px}.panel{background:var(--white);border:1px solid var(--line);border-radius:18px;margin-top:16px;padding:0 20px;overflow:hidden}.panel summary{cursor:pointer;list-style:none;padding:20px 0;display:flex;gap:12px;justify-content:space-between;align-items:center;font-size:15px;font-weight:600}.panel summary::-webkit-details-marker{display:none}.summary-note{font-weight:400;color:var(--muted);font-size:11px}.panel[open]{padding-bottom:18px}.panel[open] summary{border-bottom:1px solid var(--line);margin-bottom:18px}form label{display:block;font-size:12px;font-weight:600;margin-top:16px}input:not([type=checkbox]):not([type=file]){width:100%;min-width:0;border:1px solid var(--line);background:#fafbf8;border-radius:10px;padding:12px;margin-top:7px;color:var(--ink);font-size:14px}.mono{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.key-field input{flex:1}.key-field button{margin-top:7px}.hint{font-size:11px;color:var(--muted);font-weight:400;margin-top:8px}.check{display:flex;align-items:center;flex-wrap:wrap;gap:7px;font-size:12px;margin-top:15px}.check input{accent-color:var(--ink)}.secondary,.small-primary{background:var(--ink);color:white;padding:12px 18px}.secondary{width:100%;margin-top:13px}.error{font-size:12px;color:var(--error);margin-top:10px;overflow-wrap:anywhere}.backup{justify-content:center;margin-top:12px;flex-wrap:wrap}.notice{font-size:13px;background:#fff3d8;color:#775d30;border-radius:12px;padding:15px;margin-bottom:16px}.notice a{color:inherit}.confirmation{background:#ffffff0c;border-radius:12px;padding:15px;margin-top:15px;font-size:13px}.small-primary{background:var(--accent);color:var(--ink);margin-top:10px}pre{margin:0;white-space:pre-wrap;overflow-wrap:anywhere;font-size:11px;line-height:1.8;max-height:230px;overflow:auto;color:var(--muted)}.history{list-style:none;padding:0;margin:15px 0}.history li{padding:12px 0;border-bottom:1px solid var(--line);font-size:12px}.history li strong{display:block;font-weight:500}.history li span{font-size:11px;color:var(--muted)}footer{text-align:center;font-size:11px;line-height:1.9;color:var(--muted);padding-top:26px}[hidden]{display:none!important}@media(max-width:360px){.app{padding:20px 12px}.door-card{padding:20px}.door-top{align-items:flex-start;gap:8px}.badge{white-space:normal;max-width:85px}.summary-note{max-width:130px;text-align:right}h1{font-size:35px}}@media(prefers-color-scheme:dark){:root{color-scheme:dark;--bg:#14211b;--ink:#e0ece1;--white:#1d2d24;--muted:#a7b2a9;--line:#35443a}.door-card{background:#203e32}.primary,.small-primary{color:#163c35}.secondary{background:#d9eaa8;color:#163c35}input:not([type=checkbox]):not([type=file]){background:#17281e}.notice{background:#443920;color:#e6d1a7}}