:root{--bg: #0f172a;--bg2: #111c34;--card: #1b2a47;--line: #2b3d61;--text: #e7eefc;--muted: #8ea2c6;--primary: #2f7cf6;--primary2: #1e5fd0;--ok: #22c55e;--err: #ef4444}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#app{margin:0;height:100%}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Microsoft YaHei,sans-serif;overscroll-behavior:none}button{font-family:inherit}a{color:var(--primary);text-decoration:none}.input{width:100%;padding:13px 14px;border-radius:12px;border:1px solid var(--line);background:#0c1526;color:var(--text);font-size:16px;outline:none}.input:focus{border-color:var(--primary)}.btn{width:100%;padding:14px;border:0;border-radius:12px;background:var(--primary);color:#fff;font-size:16px;font-weight:600;cursor:pointer}.btn:active{background:var(--primary2)}.btn:disabled{opacity:.55}.btn.ghost{background:#23324f;color:var(--text)}.btn.small{width:auto;padding:9px 14px;font-size:14px}.center{min-height:100%;display:flex;flex-direction:column;justify-content:center;padding:24px;max-width:460px;margin:0 auto}.brand{text-align:center;margin-bottom:26px}.brand h1{font-size:22px;margin:12px 0 4px}.brand p{color:var(--muted);margin:0;font-size:13px}.field{margin-bottom:14px}.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}.msg{margin-top:12px;padding:10px 12px;border-radius:10px;font-size:13.5px}.msg.err{background:#ef444424;color:#fca5a5}.msg.ok{background:#22c55e24;color:#86efac}.link-row{text-align:center;margin-top:18px;color:var(--muted);font-size:14px}.shell{display:flex;flex-direction:column;height:100%}.topbar{display:flex;align-items:center;gap:8px;padding:12px 14px;background:var(--bg2);border-bottom:1px solid var(--line);padding-top:calc(12px + env(safe-area-inset-top))}.topbar h2{font-size:16px;margin:0;flex:1}.dot{width:9px;height:9px;border-radius:50%;background:#64748b}.dot.on{background:var(--ok)}.dot.off{background:var(--err)}.content{flex:1;overflow:auto;-webkit-overflow-scrolling:touch}.tabbar{display:flex;border-top:1px solid var(--line);background:var(--bg2);padding-bottom:env(safe-area-inset-bottom)}.tabbar .tab{flex:1;text-align:center;padding:8px 0 10px;color:var(--muted);font-size:11.5px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:3px}.tabbar .tab.active{color:var(--primary)}.tabbar .tab svg{width:22px;height:22px}.stage{position:relative;background:#000}.stage img{display:block;width:100%}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;touch-action:none;cursor:none}.overlay-cursor{position:absolute;width:20px;height:20px;margin:-10px 0 0 -10px;border:2px solid #38bdf8;border-radius:50%;box-shadow:0 0 6px #38bdf8e6;pointer-events:none;display:none}.placeholder{padding:40px 20px;text-align:center;color:var(--muted)}.tools{padding:12px 14px;display:flex;flex-direction:column;gap:10px}.tool-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.tool-row .btn.small{flex:0 0 auto}.slider-row{display:flex;align-items:center;gap:10px}.slider-row input[type=range]{flex:1}.badge{background:#23324f;border-radius:8px;padding:4px 9px;font-size:12px;color:var(--muted)}.profile{padding:18px}.card{background:var(--card);border-radius:14px;padding:16px;margin-bottom:14px;border:1px solid var(--line)}.card h3{margin:0 0 12px;font-size:15px}.kv{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--line);font-size:14px}.kv:last-child{border-bottom:0}.kv span:first-child{color:var(--muted)}.avatar{width:62px;height:62px;border-radius:50%;background:linear-gradient(135deg,#38bdf8,#2563eb);display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:700;color:#fff}