:root{
  --bg:#0e1320; --bg2:#141b2b; --card:#1a2235; --card2:#212b42; --line:#2a3550;
  --text:#eef2fb; --muted:#93a0bd; --accent:#6c8cff; --accent2:#36c2b4; --warn:#ffb547; --bad:#ff6b7a;
  --r:18px; --r-sm:12px; --pill:999px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  font-family: ui-rounded, "SF Pro Rounded", "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}
body{overflow-x:hidden}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--accent)}
.boot{display:grid;place-items:center;height:100vh}
.spinner{width:34px;height:34px;border-radius:50%;border:3px solid var(--line);border-top-color:var(--accent);animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
svg.i{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;flex:none}

/* buttons, chips */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:var(--pill);padding:12px 20px;background:var(--accent);color:#fff;font-weight:600;cursor:pointer;transition:transform .08s,filter .15s}
.btn:hover{filter:brightness(1.08)} .btn:active{transform:scale(.97)}
.btn.ghost{background:var(--card2);color:var(--text)}
.btn.danger{background:transparent;color:var(--bad);border:1px solid #5a2b38}
.btn.sm{padding:8px 14px;font-size:14px}
.btn:disabled{opacity:.5;cursor:default}
.iconbtn{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:50%;border:0;background:var(--card2);color:var(--text);cursor:pointer}
.iconbtn:hover{background:var(--line)}
.iconbtn.on{color:var(--warn)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.chips{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:2px}
.chips::-webkit-scrollbar{display:none}
.chip{white-space:nowrap;display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:transparent;border-radius:var(--pill);padding:7px 14px;font-size:14px;color:var(--muted);cursor:pointer}
.chip.on{background:var(--accent);border-color:var(--accent);color:#fff}
.chip svg.i{width:16px;height:16px}
.seg{display:inline-flex;background:var(--card);border-radius:var(--pill);padding:4px;gap:2px}
.seg button{border:0;background:transparent;color:var(--muted);border-radius:var(--pill);padding:6px 12px;cursor:pointer;display:inline-flex;align-items:center;gap:6px;font-size:14px}
.seg button.on{background:var(--card2);color:var(--text)}

/* forms */
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.field label{font-size:13px;color:var(--muted);font-weight:600}
.input{width:100%;background:var(--bg2);border:1px solid var(--line);border-radius:var(--r-sm);padding:12px 14px;outline:none}
.input:focus{border-color:var(--accent)}
.row{display:flex;gap:12px} .row>*{flex:1}
.hint{font-size:13px;color:var(--muted);line-height:1.45}
.err{color:var(--bad);font-size:14px;min-height:20px;margin:6px 0}

/* setup / login */
.center{min-height:100vh;display:grid;place-items:center;padding:24px}
.panel{width:100%;max-width:520px;background:var(--card);border-radius:24px;padding:28px;box-shadow:var(--shadow)}
.brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.brand img{width:44px;height:44px}
.brand b{font-size:20px}
.panel h1{font-size:24px;margin:6px 0 6px}
.panel p.lead{color:var(--muted);margin:0 0 20px;line-height:1.5}
.steps{display:flex;gap:6px;margin-bottom:18px}
.steps i{height:6px;flex:1;border-radius:6px;background:var(--line)}
.steps i.on{background:linear-gradient(90deg,var(--accent),var(--accent2))}
.devlist{display:flex;flex-direction:column;gap:10px;margin:14px 0}
.dev{display:flex;align-items:center;gap:14px;padding:14px;border-radius:var(--r);background:var(--bg2);border:1px solid var(--line);cursor:pointer;text-align:left;width:100%}
.dev:hover{border-color:var(--accent)}
.dev .ic{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:var(--card2)}
.dev .t{flex:1;min-width:0}
.dev .t b{display:block}
.dev .t span{font-size:13px;color:var(--muted)}
.pill{font-size:12px;padding:4px 10px;border-radius:var(--pill);background:var(--card2);color:var(--muted)}
.pill.ok{background:rgba(54,194,180,.15);color:var(--accent2)}
.pill.off{background:rgba(255,107,122,.12);color:var(--bad)}
.chlist{max-height:300px;overflow:auto;display:flex;flex-direction:column;gap:6px;margin:10px 0 16px}
.ch{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--r-sm);background:var(--bg2)}
.ch input{width:18px;height:18px;accent-color:var(--accent)}
.ch .cn{flex:1}
.actions{display:flex;gap:10px;justify-content:space-between;align-items:center;margin-top:8px;flex-wrap:wrap}

/* viewer */
.top{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:14px;padding:12px 18px;padding-top:max(12px,env(safe-area-inset-top));background:rgba(14,19,32,.86);backdrop-filter:blur(14px);border-bottom:1px solid rgba(42,53,80,.6)}
.top .logo{display:flex;align-items:center;gap:10px;font-weight:700;white-space:nowrap}
.top .logo img{width:30px;height:30px}
.top .chips{flex:1;min-width:0}
.top .tools{display:flex;gap:8px;align-items:center}
.wrap{padding:16px 18px 28px}
.grid{display:grid;gap:12px}
.grid.g1{grid-template-columns:1fr}
.grid.g4{grid-template-columns:repeat(2,1fr)}
.grid.g9{grid-template-columns:repeat(3,1fr)}
.grid.g16{grid-template-columns:repeat(4,1fr);gap:8px}
@media (max-width:700px){.grid.g9,.grid.g16{grid-template-columns:repeat(2,1fr)} .grid.g4{grid-template-columns:1fr 1fr;gap:8px} .top .logo span{display:none} .wrap{padding:10px}
  .top{flex-wrap:wrap;gap:10px;padding:10px 12px} .top .tools{margin-left:auto} .top .chips{order:3;flex-basis:100%}
  .tile .acts [data-a=snap],.tile .acts [data-a=pb]{display:none} .tile .acts button{width:30px;height:30px} .tile .ov{padding:8px 10px;font-size:13px}
  .seg button{padding:6px 10px} .iconbtn{width:36px;height:36px}}
@media (max-width:480px){.grid.g4{grid-template-columns:1fr;gap:10px} .grid.g9,.grid.g16{grid-template-columns:1fr 1fr;gap:6px}}
.tile{position:relative;aspect-ratio:16/9;background:#05070c;border-radius:var(--r);overflow:hidden;box-shadow:0 4px 16px rgba(0,0,0,.3);transition:transform .15s, box-shadow .15s}
.tile video{width:100%;height:100%;object-fit:cover;display:block;background:#05070c}
.grid.g1 .tile video{object-fit:contain}
.tile .ov{position:absolute;inset:auto 0 0 0;display:flex;align-items:center;gap:8px;padding:10px 12px;background:linear-gradient(transparent,rgba(0,0,0,.7));font-size:14px}
.tile .nm{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:600;text-shadow:0 1px 2px #000}
.tile .acts{display:flex;gap:6px;opacity:0;transition:opacity .15s}
.tile:hover .acts,.tile:focus-within .acts{opacity:1}
@media (hover:none){.tile .acts{opacity:1}}
.tile .acts button{width:34px;height:34px;border-radius:50%;border:0;background:rgba(255,255,255,.14);backdrop-filter:blur(6px);color:#fff;display:grid;place-items:center;cursor:pointer}
.tile .acts button:hover{background:rgba(255,255,255,.28)}
.tile .acts button svg.i{width:17px;height:17px}
.tile .acts button.on{color:var(--warn)}
.tile .state{position:absolute;top:10px;left:10px;display:flex;gap:6px;align-items:center;font-size:12px;padding:4px 10px;border-radius:var(--pill);background:rgba(0,0,0,.5);backdrop-filter:blur(6px)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--muted)}
.dot.live{background:#3ddc84;box-shadow:0 0 8px #3ddc84}
.dot.err{background:var(--bad)}
.tile .handle{display:none;position:absolute;top:10px;right:10px;width:38px;height:38px;border-radius:50%;background:rgba(0,0,0,.55);color:#fff;place-items:center;cursor:grab;touch-action:none}
.arranging .tile .handle{display:grid}
.arranging .tile{outline:2px dashed var(--line);outline-offset:-2px}
.tile.dragging{transform:scale(.96);box-shadow:0 0 0 3px var(--accent)}
.tile.empty{display:grid;place-items:center;color:var(--muted);background:var(--bg2);border:1px dashed var(--line);box-shadow:none}
.pager{display:flex;justify-content:center;align-items:center;gap:12px;margin-top:16px;color:var(--muted);font-size:14px}
.emptystate{max-width:440px;margin:12vh auto;text-align:center;color:var(--muted)}
.emptystate h2{color:var(--text)}

/* fullscreen */
.fs{position:fixed;inset:0;z-index:20;background:#000;display:flex;flex-direction:column}
.fs .vid{flex:1;position:relative;min-height:0}
.fs video{width:100%;height:100%;object-fit:contain;background:#000}
.fs .bar{position:absolute;top:0;left:0;right:0;display:flex;align-items:center;gap:10px;padding:14px;padding-top:max(14px,env(safe-area-inset-top));background:linear-gradient(rgba(0,0,0,.7),transparent);z-index:2}
.fs .bar .nm{flex:1;font-weight:700;font-size:17px;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.fs .nav{position:absolute;top:50%;transform:translateY(-50%);z-index:2}
.fs .nav.l{left:12px} .fs .nav.r{right:12px}
.fs .iconbtn{background:rgba(255,255,255,.14);backdrop-filter:blur(8px)}
.badge{font-size:12px;font-weight:700;padding:4px 10px;border-radius:var(--pill);background:#e5484d;color:#fff;letter-spacing:.04em}
.badge.pb{background:var(--accent)}

/* playback */
.pbk{background:var(--bg2);padding:14px 16px;padding-bottom:max(14px,env(safe-area-inset-bottom));border-top:1px solid var(--line)}
.pbk .hdr{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.pbk .hdr .when{flex:1;color:var(--muted);font-size:14px}
.tl{position:relative;height:46px;border-radius:12px;background:var(--card);cursor:pointer;overflow:hidden;touch-action:none}
.tl .seg{position:absolute;top:8px;bottom:16px;background:linear-gradient(90deg,var(--accent),var(--accent2));border-radius:4px;opacity:.85;padding:0}
.tl .tick{position:absolute;bottom:2px;font-size:10px;color:var(--muted);transform:translateX(-50%)}
.tl .tickl{position:absolute;top:0;bottom:14px;width:1px;background:rgba(255,255,255,.06)}
.tl .cursor{position:absolute;top:2px;bottom:2px;width:2px;background:#fff;border-radius:2px;box-shadow:0 0 6px #fff;pointer-events:none}
.tl .hover{position:absolute;top:2px;font-size:11px;background:#000;padding:2px 6px;border-radius:6px;transform:translateX(-50%);pointer-events:none;display:none}

/* drawer */
.scrim{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:30}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(520px,100%);background:var(--bg);z-index:31;display:flex;flex-direction:column;box-shadow:var(--shadow);animation:slide .2s ease-out}
@keyframes slide{from{transform:translateX(40px);opacity:0}}
.drawer header{display:flex;align-items:center;gap:12px;padding:16px 18px;padding-top:max(16px,env(safe-area-inset-top));border-bottom:1px solid var(--line)}
.drawer header h2{flex:1;margin:0;font-size:19px}
.drawer .tabs{padding:12px 18px 0}
.drawer .body{flex:1;overflow:auto;padding:16px 18px 40px}
.card{background:var(--card);border-radius:var(--r);padding:16px;margin-bottom:12px}
.card h3{margin:0 0 6px;font-size:16px}
.camrow{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.camrow .input{padding:9px 12px}
.gchips{display:flex;flex-wrap:wrap;gap:6px}
.gchips .chip{padding:4px 10px;font-size:13px}
.lanurl{font-family:ui-monospace,Consolas,monospace;background:var(--bg2);padding:8px 12px;border-radius:10px;display:inline-block;margin:4px 0;user-select:all}
#toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%) translateY(20px);background:var(--card2);color:var(--text);padding:12px 18px;border-radius:var(--pill);box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:all .2s;z-index:50;max-width:90vw}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

[hidden]{display:none!important}

/* v1.1 */
.tile .nm .key{display:inline-block;font-size:11px;font-weight:700;padding:1px 6px;margin-right:6px;border-radius:6px;background:rgba(255,255,255,.18)}
.tile .state{flex-wrap:wrap;gap:8px;text-align:center}
.tile .state .try{pointer-events:auto}
@media (max-width:640px){.tile .acts [data-a=hide],.tile .acts [data-a=snap],.tile .state .try{display:none}.tile .nm{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}}

.remember{display:flex;align-items:center;gap:8px;margin:4px 0 6px;font-size:14px;color:var(--muted,#9aa6bd);cursor:pointer}
.remember input{width:18px;height:18px}
details.card summary{cursor:pointer;margin-bottom:8px}