:root{--bg:#101114;--card:#17181d;--line:#41434c;--text:#f2eee7;--mute:#a8aab2;--acc:#ff683d;--ok:#4ade80;--warn:#fbbf24;--err:#f87171}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--text);font:16px/1.5 system-ui,-apple-system,sans-serif;-webkit-text-size-adjust:100%}
main{max-width:600px;margin:0 auto;padding:28px 16px calc(32px + env(safe-area-inset-bottom))}
.crumb{display:inline-block;font-size:14px;color:var(--mute);text-decoration:none;margin-bottom:20px}
small{display:block;color:var(--acc);letter-spacing:3px;font-size:12px}
h1{font-size:clamp(36px,9vw,56px);line-height:1.05;margin:12px 0 8px}
.sub{color:var(--mute);margin:0 0 24px;line-height:1.6}
.card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:16px;margin-bottom:16px}
.frame{aspect-ratio:1024/600;width:100%;border-radius:4px;background:#000;border:8px solid #26272e;display:flex;align-items:center;justify-content:center;color:var(--mute);font-size:14px;overflow:hidden}
.frame img{width:100%;height:100%;object-fit:cover;display:block}
.status{display:flex;flex-wrap:wrap;gap:6px 16px;margin-top:12px;font-size:14px;color:var(--mute)}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px;vertical-align:1px;background:var(--mute)}
.dot.ok{background:var(--ok)}.dot.warn{background:var(--warn)}.dot.err{background:var(--err)}
.btn{display:flex;align-items:center;justify-content:center;width:100%;min-height:52px;border:0;border-radius:8px;font:600 16px system-ui,sans-serif;cursor:pointer}
.btn.primary{background:var(--acc);color:#101114}
.btn.primary:active{filter:brightness(.9)}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line);font-weight:500}
.btn[disabled]{opacity:.5;cursor:default}
.row{display:grid;grid-template-columns:1fr 1.4fr;gap:10px}
input[type=password]{width:100%;min-height:52px;padding:0 14px;border-radius:8px;border:1px solid var(--line);background:#0c0d10;color:var(--text);font:16px system-ui,sans-serif;margin-bottom:12px}
input[type=password]:focus{outline:2px solid var(--acc);outline-offset:1px}
.msg{font-size:14px;margin:10px 0 0;min-height:20px;color:var(--mute)}
.msg.err{color:var(--err)}.msg.ok{color:var(--ok)}
progress{width:100%;height:6px;margin-top:12px;accent-color:var(--acc);display:none}
.hidden{display:none!important}
footer{text-align:center;margin-top:24px}
footer button{background:none;border:0;color:var(--mute);font:14px system-ui,sans-serif;text-decoration:underline;cursor:pointer}
.field{display:block;margin:0 0 12px}
.field span{display:block;font-size:14px;color:var(--mute);margin-bottom:6px}
.field em{font-style:normal;opacity:.7}
.field input[type=text],.field input[type=time],.field select{width:100%;min-height:48px;padding:0 12px;border-radius:8px;border:1px solid var(--line);background:#0c0d10;color:var(--text);font:16px system-ui,sans-serif}
.field input[type=range]{width:100%;accent-color:var(--acc)}
.field output{color:var(--text);margin-left:4px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.check{display:flex;align-items:center;gap:10px;margin:14px 0;font-size:16px}
.check input{width:20px;height:20px;accent-color:var(--acc)}
details.card summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;align-items:center}
details.card summary::-webkit-details-marker{display:none}
details.card summary::after{content:"+";color:var(--acc);font-size:22px;line-height:1}
details[open].card summary::after{content:"−"}
.settings{margin-top:8px}
.howto p{color:var(--mute);line-height:1.6;font-size:15px}
.howto b{color:var(--text)}
.howto .btn{margin:4px 0 8px;text-decoration:none}
.fine{font-size:13px;color:var(--mute);margin:12px 0 0}
#confirmBox{margin-top:0}
.token{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:center;margin:4px 0}
.token code{display:block;overflow-x:auto;white-space:nowrap;padding:12px;border-radius:8px;background:#0c0d10;border:1px solid var(--line);font:13px ui-monospace,Menlo,monospace;color:var(--text);user-select:all}
.token .btn{width:auto;padding:0 14px;min-height:44px;margin:0}
.status a.coords{color:var(--acc);text-decoration:none}
.linkbtn{background:none;border:0;padding:0;margin-left:6px;color:var(--mute);font:inherit;text-decoration:underline;cursor:pointer}