:root{
  --bg:#0b0b0d; --bg2:#121216; --card:#17171c; --card2:#1e1e25; --line:#2a2a33; --line2:#383843;
  --text:#f3f1ee; --mute:#9a98a3; --dim:#6b6a75;
  --red:#e3262f; --red2:#ff4a52; --redbg:rgba(227,38,47,.14); --ok:#2fbf71; --warn:#f2b53a; --off:#55545e;
  --r:14px; --r2:10px; --nav:76px; --top:64px;
  --sans: ui-sans-serif, -apple-system, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:15px;overscroll-behavior:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;touch-action:manipulation}
input,select{font:inherit;color:inherit}
.boot{height:100vh;display:grid;place-content:center;gap:14px;justify-items:center;color:var(--mute);letter-spacing:.3em;text-transform:uppercase}
.boot img{width:84px;opacity:.9}

/* ---------- login ---------- */
.login{min-height:100vh;display:grid;place-items:center;padding:24px;
  background:radial-gradient(1200px 600px at 50% -10%,rgba(227,38,47,.25),transparent 60%),var(--bg)}
.login-card{width:min(400px,100%);text-align:center}
.login-card img{width:112px;filter:drop-shadow(0 10px 30px rgba(227,38,47,.35))}
.brand-big{font-size:44px;font-weight:800;letter-spacing:-.02em;margin:10px 0 0}
.brand-sub{color:var(--mute);letter-spacing:.28em;text-transform:uppercase;font-size:12px;margin-top:4px}
.pin-dots{display:flex;gap:14px;justify-content:center;margin:30px 0 8px}
.pin-dots i{width:16px;height:16px;border-radius:50%;border:2px solid var(--line2);transition:.15s}
.pin-dots i.on{background:var(--red);border-color:var(--red);box-shadow:0 0 12px rgba(227,38,47,.6)}
.pin-err{height:20px;color:var(--red2);font-size:13px}
.pad{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:10px auto 0;max-width:300px}
.pad button{height:64px;border-radius:50%;background:var(--card);border:1px solid var(--line);font-size:24px;font-weight:600;width:64px;justify-self:center}
.pad button:active{background:var(--red);border-color:var(--red)}
.pad .ghost{background:none;border:none;font-size:14px;color:var(--mute)}
.demo-note{margin-top:22px;display:inline-flex;gap:8px;align-items:center;font-size:13px;color:var(--warn);background:rgba(242,181,58,.1);border:1px solid rgba(242,181,58,.35);padding:8px 12px;border-radius:999px}
.sim-note{margin-top:10px;font-size:12px;color:var(--dim)}
.shake{animation:shake .35s}
@keyframes shake{20%,60%{transform:translateX(-8px)}40%,80%{transform:translateX(8px)}}

/* ---------- shell ---------- */
.shell{display:grid;grid-template-columns:var(--nav) 1fr;grid-template-rows:var(--top) 1fr;height:100vh;height:100dvh}
.top{grid-column:1/-1;display:flex;align-items:center;gap:14px;padding:0 16px 0 12px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#141418,#0f0f12)}
.top .logo{width:42px;height:42px}
.top .t1{font-weight:800;font-size:20px;letter-spacing:-.01em;line-height:1}
.top .t2{font-size:11px;color:var(--mute);letter-spacing:.2em;text-transform:uppercase;margin-top:3px}
.badge{font-size:11px;font-weight:700;letter-spacing:.08em;padding:4px 8px;border-radius:6px;background:var(--redbg);color:var(--red2);border:1px solid rgba(227,38,47,.4);text-transform:uppercase;white-space:nowrap}
.badge.warn{background:rgba(242,181,58,.1);color:var(--warn);border-color:rgba(242,181,58,.35)}
.top .grow{flex:1}
.clock{text-align:right;line-height:1.1}
.clock b{font-size:18px;font-variant-numeric:tabular-nums}
.clock small{display:block;font-size:11px;color:var(--mute)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:42px;padding:0 16px;border-radius:12px;background:var(--card2);border:1px solid var(--line2);font-weight:600;white-space:nowrap}
.btn:active{transform:scale(.97)}
.btn.red{background:var(--red);border-color:var(--red);color:#fff}
.btn.outline-red{border-color:rgba(227,38,47,.6);color:var(--red2)}
.btn.sm{height:34px;padding:0 12px;font-size:13px;border-radius:10px}
.btn.lg{height:52px;font-size:16px;padding:0 22px}
.btn[disabled]{opacity:.4;pointer-events:none}
.btn.on{background:var(--redbg);border-color:var(--red);color:#fff}
.nav{border-right:1px solid var(--line);display:flex;flex-direction:column;gap:4px;padding:10px 8px;background:#0e0e11}
.nav button{display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px 0;border-radius:12px;color:var(--mute);font-size:11px;font-weight:600}
.nav button svg{width:24px;height:24px}
.nav button.act{color:#fff;background:var(--redbg)}
.nav button.act svg{color:var(--red2)}
.nav .sp{flex:1}
main{overflow:auto;padding:18px 20px 30px;-webkit-overflow-scrolling:touch}
.h{display:flex;align-items:center;gap:12px;margin:0 0 14px;flex-wrap:wrap}
.h h1{font-size:22px;margin:0;font-weight:800;letter-spacing:-.01em}
.h .sub{color:var(--mute);font-size:13px}
.h .grow{flex:1}
.seg{display:inline-flex;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:3px}
.seg button{height:34px;padding:0 14px;border-radius:9px;color:var(--mute);font-weight:600;font-size:13px}
.seg button.act{background:var(--card2);color:#fff;box-shadow:inset 0 0 0 1px var(--line2)}
.chips{display:flex;gap:8px;overflow:auto;padding-bottom:2px;scrollbar-width:none}
.chip{height:34px;padding:0 12px;border-radius:999px;border:1px solid var(--line2);background:var(--card);font-size:13px;font-weight:600;white-space:nowrap;color:var(--mute)}
.chip.act{border-color:var(--red);color:#fff;background:var(--redbg)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px}
.muted{color:var(--mute)} .dim{color:var(--dim)} .small{font-size:12px}
.warnline{color:var(--warn);font-size:12px}

/* ---------- floor plan ---------- */
.plan-wrap{position:relative;width:100%;border-radius:var(--r);border:1px solid var(--line);background:#0f0f13;overflow:hidden}
.plan{position:absolute;left:0;top:0;width:1500px;height:880px;transform-origin:0 0}
.zone-bg{position:absolute;border-radius:22px;border:1px dashed #2c2c36;background:rgba(255,255,255,.015)}
.zone-bg.bar{background:radial-gradient(circle at 50% 50%,rgba(227,38,47,.05),transparent 70%)}
.zone-lbl{position:absolute;font-size:22px;font-weight:800;letter-spacing:.25em;text-transform:uppercase;color:#3b3a46;transform:translate(-50%,-50%);pointer-events:none;white-space:nowrap}
.counter{position:absolute;border:3px solid #2d2c38;border-radius:60px;background:#131318}
.tile{position:absolute;width:130px;height:70px;border-radius:12px;background:var(--card2);border:1px solid var(--line2);display:flex;flex-direction:column;justify-content:space-between;padding:7px 9px;text-align:left;overflow:hidden;transition:transform .12s,border-color .12s}
.tile:active{transform:scale(.96)}
.tile .nm{font-weight:800;font-size:15px;display:flex;align-items:center;gap:6px}
.tile .src{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tile .ch{font-size:11px;color:var(--mute);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tile::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--c,#444)}
.tile.off{opacity:.45}
.tile.off .src::after{content:" · off"}
.tile.sel{border-color:var(--red2);box-shadow:0 0 0 3px rgba(227,38,47,.45),0 8px 24px rgba(227,38,47,.25)}
.tile.offline{background:repeating-linear-gradient(135deg,#1b1b21 0 8px,#18181d 8px 16px)}
.tile .flag{margin-left:auto;font-size:11px;color:var(--warn)}
.tile.big{width:270px;height:150px;padding:12px 14px}
.tile.big .nm{font-size:18px}.tile.big .src{font-size:18px}.tile.big .ch{font-size:13px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--off);flex:none}
.dot.on{background:var(--ok);box-shadow:0 0 6px rgba(47,191,113,.6)}
.dot.bad{background:var(--red2)}
.unplaced{margin-top:14px}
.unplaced .row{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}
.unplaced .tile{position:relative}

/* grid view */
.tv-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.tv-grid .tile{position:relative;width:auto;height:78px}
.area-h{grid-column:1/-1;font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--mute);margin:10px 0 0}

.selbar{position:sticky;bottom:0;margin-top:14px;display:flex;gap:10px;align-items:center;padding:12px;border-radius:var(--r);background:rgba(23,23,28,.92);backdrop-filter:blur(10px);border:1px solid var(--red);box-shadow:0 -10px 30px rgba(0,0,0,.5)}
.selbar b{font-size:16px}

/* walls */
.walls{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:14px}
.wall{padding:12px}
.wall .wt{font-weight:700}
.wall .seg{margin-top:8px}

/* ---------- sheet ---------- */
.scrim{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:50;animation:fade .15s}
.sheet{position:fixed;z-index:51;left:50%;bottom:0;transform:translateX(-50%);width:min(760px,100%);max-height:86vh;overflow:auto;background:var(--bg2);border:1px solid var(--line2);border-bottom:0;border-radius:20px 20px 0 0;padding:8px 18px 24px;animation:up .2s ease-out}
.sheet .grab{width:44px;height:5px;border-radius:3px;background:var(--line2);margin:4px auto 10px}
.sheet h2{margin:0;font-size:20px}
.sheet .sh{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.sheet .sh .grow{flex:1}
@keyframes up{from{transform:translate(-50%,40px);opacity:0}}
@keyframes fade{from{opacity:0}}
.src-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:8px}
.src-btn{text-align:left;padding:10px 12px;border-radius:12px;background:var(--card);border:1px solid var(--line);min-height:64px;position:relative}
.src-btn::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:4px;border-radius:0 3px 3px 0;background:var(--c,#444)}
.src-btn b{display:block;font-size:15px}
.src-btn span{display:block;font-size:12px;color:var(--mute);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}
.src-btn.cur{border-color:var(--red);background:var(--redbg)}
.src-btn.dis{opacity:.45}
.src-btn .w{color:var(--warn)}
.grp{font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--mute);margin:16px 0 8px}
.confirm{text-align:center;padding:10px 0}
.confirm .big{font-size:22px;font-weight:800;margin:6px 0}
.confirm .row{display:flex;gap:10px;justify-content:center;margin-top:18px}

/* ---------- boxes / remote ---------- */
.box-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:10px}
.box{text-align:left;padding:12px 14px;border-radius:var(--r);background:var(--card);border:1px solid var(--line);position:relative;min-height:104px}
.box.act{border-color:var(--red)}
.box .bn{display:flex;align-items:center;gap:8px;font-weight:800}
.box .bn small{margin-left:auto;color:var(--mute);font-weight:600}
.box .chn{font-size:22px;font-weight:800;margin-top:8px;font-variant-numeric:tabular-nums}
.box .chn span{font-size:13px;color:var(--mute);font-weight:600;margin-left:6px}
.box .ti{font-size:13px;color:var(--text);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.box .nx{font-size:11px;color:var(--dim);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.box.offline{background:repeating-linear-gradient(135deg,#17171c 0 10px,#15151a 10px 20px)}
.box .tvs{font-size:11px;color:var(--mute);margin-top:6px}
.show-ph{display:none!important}
.remote-wrap{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:16px;align-items:start}
.remote{background:linear-gradient(180deg,#1b1b21,#121216);border:1px solid var(--line2);border-radius:28px;padding:16px;position:sticky;top:0}
.remote .rt{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.remote .rt b{flex:1}
.lcd{background:#0a0a0c;border:1px solid var(--line);border-radius:12px;padding:10px 12px;margin-bottom:12px;min-height:62px}
.lcd .c{font-size:26px;font-weight:800;font-variant-numeric:tabular-nums}
.lcd .c span{font-size:13px;color:var(--mute);margin-left:6px;font-weight:600}
.lcd .t{font-size:13px;color:var(--mute);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rrow{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:8px}
.rrow.four{grid-template-columns:repeat(4,1fr)}
.rk{height:46px;border-radius:12px;background:var(--card2);border:1px solid var(--line2);font-weight:700;font-size:14px}
.rk:active{background:var(--red);border-color:var(--red)}
.rk.r{color:var(--red2)}
.dpad{display:grid;grid-template-columns:repeat(3,64px);grid-template-rows:repeat(3,56px);gap:6px;justify-content:center;margin:10px 0}
.dpad .rk{height:auto}
.dpad .ok{border-radius:50%;background:var(--red);border-color:var(--red);color:#fff}
.favs{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.favs button{height:32px;padding:0 10px;border-radius:8px;background:var(--card2);border:1px solid var(--line);font-size:12px;font-weight:700}
.kc{display:flex;gap:8px;margin-top:10px}
.kc input{flex:1;height:42px;border-radius:10px;background:#0a0a0c;border:1px solid var(--line2);padding:0 12px;font-size:18px;font-weight:700;width:100%}

/* ---------- audio ---------- */
.zones{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.zone{padding:14px;display:flex;flex-direction:column;gap:12px}
.zone .zt{display:flex;align-items:center;gap:8px}
.zone .zt b{font-size:17px;flex:1}
.zone .lvl{font-size:40px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1}
.zone .lvl small{font-size:13px;color:var(--mute);font-weight:600;margin-left:4px}
.zone.muted .lvl{color:var(--dim);text-decoration:line-through;text-decoration-thickness:3px;text-decoration-color:var(--red)}
.slider{position:relative;height:48px;touch-action:none}
.slider .trk{position:absolute;left:0;right:0;top:18px;height:12px;border-radius:6px;background:#0a0a0c;border:1px solid var(--line)}
.slider .fill{position:absolute;left:0;top:18px;height:12px;border-radius:6px;background:linear-gradient(90deg,#8c1218,var(--red))}
.zone.muted .slider .fill{background:#3a3a44}
.slider .lim{position:absolute;top:10px;width:2px;height:28px;background:var(--warn);opacity:.8}
.slider .lim.hide{display:none}
.slider .limzone{position:absolute;top:18px;height:12px;background:repeating-linear-gradient(135deg,rgba(242,181,58,.25) 0 4px,transparent 4px 8px);border-radius:0 6px 6px 0}
.slider .knob{position:absolute;top:6px;width:36px;height:36px;margin-left:-18px;border-radius:50%;background:#fff;box-shadow:0 2px 10px rgba(0,0,0,.6),0 0 0 4px rgba(227,38,47,.35)}
.zone .ctl{display:flex;gap:8px}
.zone .ctl .btn{flex:1}
.zone select{height:42px;border-radius:12px;background:var(--card2);border:1px solid var(--line2);padding:0 10px;width:100%}
.zone .lims{font-size:12px;color:var(--mute);display:flex;gap:6px;align-items:center}
.stepper{display:flex;align-items:center;gap:6px}
.stepper button{width:34px;height:34px;border-radius:9px;background:var(--card2);border:1px solid var(--line2);font-weight:800}
.stepper b{min-width:30px;text-align:center}

/* ---------- presets ---------- */
.presets{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.preset{display:flex;align-items:center;gap:12px;padding:14px}
.preset .pn{flex:1;min-width:0}
.preset .pn b{display:block;font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.preset .pn span{font-size:12px;color:var(--mute)}
.preset .num{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:var(--redbg);color:var(--red2);font-weight:800}
.preset.empty{border-style:dashed;color:var(--dim);justify-content:center;min-height:66px}
.field{display:flex;flex-direction:column;gap:6px;margin:12px 0}
.field label{font-size:12px;color:var(--mute);font-weight:600}
.field input[type=text],.field input[type=time]{height:46px;border-radius:12px;background:#0a0a0c;border:1px solid var(--line2);padding:0 12px;font-size:16px}
.check{display:flex;gap:10px;align-items:center;font-size:14px}
.check input{width:22px;height:22px;accent-color:var(--red)}

/* ---------- schedule ---------- */
.scheds{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.sched{padding:16px}
.sched .st{display:flex;align-items:center;gap:10px}
.sched .st b{font-size:18px;flex:1}
.sched .tm{font-size:38px;font-weight:800;margin:10px 0 2px;font-variant-numeric:tabular-nums}
.days{display:flex;gap:6px;margin:10px 0}
.days button{width:38px;height:38px;border-radius:50%;border:1px solid var(--line2);background:var(--card2);font-size:12px;font-weight:700;color:var(--mute)}
.days button.on{background:var(--red);border-color:var(--red);color:#fff}
.acts{margin:10px 0 0;padding:0;list-style:none;font-size:13px;color:var(--mute)}
.acts li{padding:6px 0;border-top:1px solid var(--line)}
.switch{position:relative;width:52px;height:30px;border-radius:15px;background:var(--line2);flex:none;transition:.15s}
.switch::after{content:"";position:absolute;top:3px;left:3px;width:24px;height:24px;border-radius:50%;background:#fff;transition:.15s}
.switch.on{background:var(--red)}
.switch.on::after{left:25px}

/* ---------- system ---------- */
.sys{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.hl{display:flex;align-items:center;gap:8px;padding:7px 0;border-top:1px solid var(--line);font-size:13px}
.hl:first-of-type{border-top:0}
.hl .n{flex:1}
.log{font-size:13px;max-height:340px;overflow:auto}
.log div{padding:6px 0;border-top:1px solid var(--line);display:flex;gap:10px}
.log time{color:var(--dim);font-variant-numeric:tabular-nums;flex:none;width:64px}
pre.feed{background:#0a0a0c;border:1px solid var(--line);border-radius:10px;padding:10px;font-size:11px;max-height:300px;overflow:auto;white-space:pre-wrap;word-break:break-all;color:#cfcdd6}

#toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);z-index:80;pointer-events:none}
#toast div{background:#22222a;border:1px solid var(--line2);padding:10px 16px;border-radius:12px;margin-top:8px;font-size:14px;box-shadow:0 10px 30px rgba(0,0,0,.5);animation:up2 .2s}
#toast div.err{border-color:var(--red);color:#ffd4d6}
@keyframes up2{from{transform:translateY(10px);opacity:0}}

/* ---------- phone ---------- */
@media (max-width:760px){
  :root{--top:56px}
  .shell{grid-template-columns:1fr;grid-template-rows:var(--top) 1fr calc(64px + env(safe-area-inset-bottom))}
  .top{padding:0 12px;gap:10px}
  .top .logo{width:34px;height:34px}
  .top .t1{font-size:18px}
  .top .hide-ph{display:none}
  .nav{grid-row:3;flex-direction:row;border-right:0;border-top:1px solid var(--line);padding:6px 6px calc(6px + env(safe-area-inset-bottom));gap:2px}
  .nav button{flex:1;padding:6px 0;font-size:10px}
  .nav .sp,.nav .hide-ph{display:none}
  main{padding:14px 12px 24px}
  .h h1{font-size:20px}
  .walls{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tv-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .zones,.presets,.scheds,.sys{grid-template-columns:1fr}
  .remote-wrap{grid-template-columns:minmax(0,1fr)}
  .remote{position:static}
  .box-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .show-ph{display:inline-flex!important}
  .box .chn{font-size:18px}
  .src-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sheet{overflow-x:hidden}
  .clock b{font-size:15px}
}
@media (min-width:761px) and (max-width:1100px){ .zones{grid-template-columns:repeat(2,1fr)} }