:root{
  --bg:#0e1116; --panel:#131820; --panel2:#171d26; --card:#1b2230;
  --line:#232b38; --line2:#2d3746;
  --fg:#e8ecf3; --fg2:#b9c2d0; --muted:#7d889a;
  --brand:#3b82f6; --brand2:#2563eb; --brand-dim:#1e3a8a;
  --ok:#22c55e; --warn:#f59e0b; --bad:#ef4444;
  --radius:10px;
  --shadow:0 10px 30px rgba(0,0,0,.45);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;background:var(--bg);color:var(--fg);
  font:14px/1.5 "Microsoft YaHei","PingFang SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  overflow:hidden;-webkit-font-smoothing:antialiased;
}
button,input,select,textarea{font-family:inherit;font-size:13px;color:inherit}
.hidden{display:none !important}
.muted{color:var(--muted)}
.mt{margin-top:14px}
.gap{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.row{display:flex;align-items:center}
.between{justify-content:space-between}
.end{justify-content:flex-end;margin-top:14px}

/* ---------- layout ---------- */
#app{display:grid;grid-template-columns:264px 1fr;height:100vh}
.sidebar{
  background:linear-gradient(180deg,#121722,#0f131b);
  border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0;
}
.brand{display:flex;gap:10px;align-items:center;padding:18px 16px 14px}
.logo{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,#3b82f6,#1d4ed8);color:#fff;font-weight:800;letter-spacing:.5px;
  box-shadow:0 4px 14px rgba(59,130,246,.35);font-size:13px;
}
.brand-txt{display:flex;flex-direction:column;line-height:1.25}
.brand-txt b{font-size:15px;letter-spacing:.5px}
.brand-txt span{font-size:11px;color:var(--muted);letter-spacing:.6px}
.search{padding:0 14px 10px}
.search input{
  width:100%;background:#0d1219;border:1px solid var(--line);border-radius:8px;
  padding:8px 10px;outline:none;transition:.15s;
}
.search input:focus{border-color:#2f6bdc;background:#0b1017}
.dev-head{
  display:flex;justify-content:space-between;align-items:center;
  padding:4px 18px 8px;font-size:11.5px;letter-spacing:.8px;color:var(--muted);text-transform:uppercase;
}
.dev-head em{font-style:normal;background:#1d2634;border-radius:20px;padding:1px 7px;font-size:11px}
.devices{flex:1;overflow:auto;padding:0 10px 10px;min-height:0}
.devices::-webkit-scrollbar,.fm-list::-webkit-scrollbar,.transfers::-webkit-scrollbar,.ta::-webkit-scrollbar{width:8px}
.devices::-webkit-scrollbar-thumb,.fm-list::-webkit-scrollbar-thumb,.transfers::-webkit-scrollbar-thumb{background:#26303f;border-radius:8px}
.dev{
  display:flex;gap:10px;align-items:center;padding:9px 10px;border-radius:9px;cursor:pointer;
  border:1px solid transparent;transition:.13s;margin-bottom:2px;position:relative;
}
.dev:hover{background:#171e29;border-color:var(--line)}
.dev.active{background:linear-gradient(90deg,rgba(59,130,246,.18),rgba(59,130,246,.04));border-color:#2c5db3}
.dev.offline{opacity:.5}
.dev-ico{
  width:32px;height:32px;border-radius:8px;background:#1d2634;display:grid;place-items:center;
  font-size:15px;flex:0 0 auto;position:relative;
}
.dev-dot{position:absolute;right:-2px;bottom:-2px;width:9px;height:9px;border-radius:50%;background:#4b5563;border:2px solid #131820}
.dev.online .dev-dot{background:var(--ok);box-shadow:0 0 8px rgba(34,197,94,.8)}
.dev-main{min-width:0;flex:1}
.dev-name{font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dev-sub{font-size:11px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dev-rename{
  opacity:0;border:none;background:#22304a;color:#cfe0ff;border-radius:6px;padding:2px 6px;font-size:11px;cursor:pointer;
}
.dev:hover .dev-rename{opacity:1}
.sidebar-foot{
  border-top:1px solid var(--line);padding:10px 12px;display:flex;gap:8px;align-items:center;justify-content:space-between;
}
.hub-state{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--fg2)}
.hub-state i{width:8px;height:8px;border-radius:50%;background:var(--warn);box-shadow:0 0 8px rgba(245,158,11,.7)}
.hub-state.on i{background:var(--ok);box-shadow:0 0 8px rgba(34,197,94,.7)}
.hub-state.off i{background:var(--bad);box-shadow:0 0 8px rgba(239,68,68,.7)}

/* ---------- main ---------- */
.main{display:flex;flex-direction:column;min-width:0;min-height:0;background:var(--bg)}
.topbar{
  height:56px;flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:0 14px;border-bottom:1px solid var(--line);background:var(--panel);
}
.me{min-width:0}
.top-name{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.top-sub{font-size:11.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tools{display:flex;align-items:center;gap:8px;flex-wrap:nowrap}
.field{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted)}
.field select{
  background:#0e141d;border:1px solid var(--line2);border-radius:7px;padding:5px 7px;outline:none;
}
.field input[type=range]{width:74px;accent-color:var(--brand)}
.field b{color:var(--fg2);font-weight:600;width:20px;text-align:right}
.divider{width:1px;height:22px;background:var(--line2);margin:0 2px}
.btn{
  border:1px solid var(--line2);background:#1a2230;border-radius:8px;padding:7px 11px;cursor:pointer;
  transition:.13s;white-space:nowrap;
}
.btn:hover{background:#212c3d;border-color:#3a4a61}
.btn:active{transform:translateY(1px)}
.btn.sm{padding:5px 9px;font-size:12px;border-radius:7px}
.btn.ghost{background:transparent}
.btn.ghost:hover{background:#1b2431}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand2);border-color:var(--brand2)}
.btn.danger{color:#ffb0b0;border-color:#5a2b2b;background:#2a1717}
.btn.danger:hover{background:#3a1d1d}
.btn.tool{padding:6px 10px;font-size:12px}
.btn.block{width:100%;padding:10px;margin-top:8px}
.btn:disabled{opacity:.45;cursor:not-allowed}

.stage{
  position:relative;flex:1;min-height:0;display:grid;place-items:center;overflow:hidden;
  background:
    radial-gradient(1200px 600px at 50% -10%,rgba(59,130,246,.09),transparent 60%),
    repeating-linear-gradient(45deg,#0b0e13 0 10px,#0c1016 10px 20px);
}
#screen{
  max-width:calc(100% - 24px);max-height:calc(100% - 24px);
  outline:none;border-radius:6px;box-shadow:0 14px 46px rgba(0,0,0,.55);
  background:#000;display:none;image-rendering:auto;
}
#screen.live{display:block;cursor:default}
.placeholder{text-align:center;color:var(--muted);padding:30px;max-width:460px}
.ph-icon{font-size:44px;opacity:.55;margin-bottom:10px}
.ph-title{font-size:16px;color:var(--fg2);margin-bottom:6px}
.ph-sub{font-size:12.5px}
.ph-tip{margin-top:16px;font-size:11.5px;color:#5c6675}
.hud{
  position:absolute;top:10px;right:12px;display:flex;gap:6px;font-size:11.5px;
  color:#cfe0ff;background:rgba(11,16,23,.72);border:1px solid #223049;
  padding:4px 8px;border-radius:7px;backdrop-filter:blur(6px);
}
.hud span+span::before{content:"·";margin-right:6px;color:#41506a}
.cursor-dot{
  position:absolute;width:14px;height:14px;border-radius:50%;pointer-events:none;z-index:5;
  border:2px solid rgba(255,255,255,.95);box-shadow:0 0 0 1.5px rgba(37,99,235,.95),0 1px 6px rgba(0,0,0,.5);
  transform:translate(-50%,-50%);
}
.drop-hint{
  position:absolute;inset:16px;border:2px dashed #3b82f6;border-radius:14px;
  display:grid;place-items:center;background:rgba(59,130,246,.10);color:#cfe0ff;font-size:15px;
  pointer-events:none;
}
/* 锁屏提示条 */
.lock-banner{
  position:absolute;top:12px;left:50%;transform:translateX(-50%);
  display:flex;align-items:center;gap:10px;z-index:6;
  background:rgba(20,16,8,.92);border:1px solid #8a6a1f;border-radius:12px;
  padding:9px 12px;box-shadow:0 10px 30px rgba(0,0,0,.5);backdrop-filter:blur(6px);
  max-width:calc(100% - 32px);flex-wrap:wrap;
}
.lock-ico{font-size:16px}
.lock-txt{display:flex;flex-direction:column;line-height:1.3;margin-right:4px}
.lock-txt b{font-size:12.5px;color:#ffd479}
.lock-txt span{font-size:11px;color:#b9a87c}
.lock-pwd{
  width:170px;background:#0d131b;border:1px solid #4a3c1c;border-radius:7px;
  padding:6px 9px;outline:none;font-size:12.5px;color:#fff;
}
.lock-pwd:focus{border-color:#b8860b}
.lock-banner.warn{border-color:#8a3b1f;background:rgba(30,12,8,.94)}
.lock-banner.warn .lock-txt b{color:#ff9d7a}
.priv-box{
  font-size:12px;line-height:1.7;background:#111823;border:1px solid var(--line);
  border-radius:9px;padding:9px 10px;
}
.priv-ok{color:#7ee2a8}
.priv-bad{color:#ff9d9d}
.dev-lock{font-size:11px;color:#ffd479;margin-left:4px}
.dev-self{font-size:10.5px;color:#8fc6ff;border:1px solid #2f4d70;border-radius:4px;
  padding:0 3px;margin-left:5px;vertical-align:1px}
.desk-row{display:flex;gap:6px;align-items:center}
.statusbar{
  height:30px;flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:0 14px;border-top:1px solid var(--line);font-size:11.5px;color:var(--fg2);background:var(--panel);
}

/* ---------- panel ---------- */
.panel{
  position:fixed;top:0;right:0;height:100vh;width:420px;max-width:92vw;background:var(--panel2);
  border-left:1px solid var(--line);box-shadow:var(--shadow);transform:translateX(102%);
  transition:transform .2s ease;display:flex;flex-direction:column;z-index:40;
}
.panel.open{transform:translateX(0)}
.panel-head{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid var(--line)}
.tabs{display:flex;gap:4px;background:#101620;padding:3px;border-radius:9px}
.tab{border:none;background:transparent;color:var(--muted);padding:6px 12px;border-radius:7px;cursor:pointer;font-size:12.5px}
.tab.active{background:#22304a;color:#dbeafe}
.tab-body{display:none;padding:14px;overflow:auto;flex:1;min-height:0}
.tab-body.active{display:block}
.sec-title{font-size:11.5px;color:var(--muted);letter-spacing:.7px;margin:16px 0 7px;text-transform:uppercase}
.hint{font-size:11.5px;color:var(--muted);line-height:1.65;margin:8px 0}
.ta{
  width:100%;min-height:104px;background:#0d131b;border:1px solid var(--line);border-radius:9px;
  padding:9px 10px;resize:vertical;outline:none;line-height:1.55;
}
.ta:focus{border-color:#31589e}
.inp{width:100%;background:#0d131b;border:1px solid var(--line);border-radius:8px;padding:8px 10px;outline:none}
.inp:focus{border-color:#31589e}
.field-col{margin-bottom:12px}
.field-col label{display:block;font-size:11.5px;color:var(--muted);margin-bottom:5px}
.switch{position:relative;display:inline-flex;width:40px;height:22px;flex:0 0 auto}
.switch input{display:none}
.switch i{position:absolute;inset:0;background:#2a3444;border-radius:20px;transition:.18s;cursor:pointer}
.switch i::after{content:"";position:absolute;width:16px;height:16px;border-radius:50%;background:#8b96a8;top:3px;left:3px;transition:.18s}
.switch input:checked+i{background:#1d4ed8}
.switch input:checked+i::after{transform:translateX(18px);background:#fff}
.card{background:#111823;border:1px solid var(--line);border-radius:10px;padding:10px;margin-top:12px}
.card-title{font-size:12px;color:var(--fg2);margin-bottom:8px}
.clip-files{display:flex;flex-direction:column;gap:6px;max-height:160px;overflow:auto}
.clip-file{display:flex;gap:8px;align-items:center;font-size:12px;color:var(--fg2)}
.clip-file span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.fm-bar{display:flex;gap:6px;align-items:center}
.fm-path{flex:1;background:#0d131b;border:1px solid var(--line);border-radius:7px;padding:6px 8px;outline:none;font-size:12px}
.fm-drives{display:flex;gap:5px;flex-wrap:wrap;margin:8px 0}
.fm-drives button{background:#182130;border:1px solid var(--line2);border-radius:6px;padding:3px 8px;font-size:11.5px;cursor:pointer;color:var(--fg2)}
.fm-drives button:hover{background:#22304a}
.fm-list{border:1px solid var(--line);border-radius:9px;max-height:300px;overflow:auto;background:#0d131b}
.fm-item{display:flex;gap:8px;align-items:center;padding:6px 9px;font-size:12.5px;cursor:pointer;border-bottom:1px solid #151d28}
.fm-item:hover{background:#141d29}
.fm-item:last-child{border-bottom:none}
.fm-item .nm{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.fm-item .sz{color:var(--muted);font-size:11px}
.fm-item .ic{width:16px;text-align:center;opacity:.9}
.empty{padding:18px;text-align:center;color:var(--muted);font-size:12px}
.transfers{display:flex;flex-direction:column;gap:7px}
.tr{background:#111823;border:1px solid var(--line);border-radius:8px;padding:7px 9px;font-size:11.5px}
.tr-top{display:flex;justify-content:space-between;gap:8px;margin-bottom:5px}
.tr-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}
.tr-bar{height:4px;background:#1e2836;border-radius:3px;overflow:hidden}
.tr-bar i{display:block;height:100%;background:linear-gradient(90deg,#3b82f6,#22d3ee);width:0;transition:width .12s}
.tr.done .tr-bar i{background:var(--ok)}
.tr.err .tr-bar i{background:var(--bad)}
.tr-sub{color:var(--muted);margin-top:3px;font-size:11px}

/* ---------- overlay ---------- */
.overlay{
  position:fixed;inset:0;background:rgba(6,9,14,.72);backdrop-filter:blur(4px);
  display:grid;place-items:center;z-index:80;padding:20px;
}
.dialog{
  width:420px;max-width:100%;background:var(--panel2);border:1px solid var(--line2);
  border-radius:14px;padding:22px;box-shadow:var(--shadow);
}
.dialog h2{margin:10px 0 4px;font-size:16px}
.dlg-logo{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-weight:800;
  background:linear-gradient(135deg,#3b82f6,#1d4ed8);color:#fff;
}
.err{color:#ff9d9d;font-size:12px;min-height:18px;margin-top:6px}
.choice{display:flex;flex-direction:column;gap:9px;margin:14px 0}
.choice-btn{
  text-align:left;background:#111823;border:1px solid var(--line2);border-radius:10px;padding:12px;
  cursor:pointer;display:flex;flex-direction:column;gap:3px;transition:.13s;
}
.choice-btn:hover{border-color:#3b82f6;background:#152036}
.choice-btn b{font-size:13.5px}
.choice-btn span{font-size:11.5px;color:var(--muted)}
@media (max-width:1100px){
  #app{grid-template-columns:220px 1fr}
  .btn.tool:nth-of-type(n+5){display:none}
}