/* centerline web ui */
:root{
  --bg:#0e1116;
  --panel:#151a21;
  --panel-2:#1b212a;
  --line:#252c37;
  --text:#e6ebf2;
  --muted:#8b97a8;
  --accent:#60a5fa;
  --accent-2:#3b82f6;
  --ok:#34d399;
  --warn:#fbbf24;
  --err:#f87171;
  --radius:10px;
  --sidebar:392px;
}

*{box-sizing:border-box}
/* .slider и .stage-inner img задают display, а он перебивает [hidden] */
[hidden]{display:none !important}
html,body{height:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font:14px/1.45 "Inter","Segoe UI",system-ui,-apple-system,sans-serif;
  overflow:hidden;
}
button,input,select{font:inherit;color:inherit}
code{
  font-family:"JetBrains Mono",ui-monospace,"Cascadia Mono",Consolas,monospace;
  font-size:11.5px;
}

.app{display:flex;height:100vh}

/* ------------------------------------------------------------ sidebar */
.sidebar{
  width:var(--sidebar);
  flex:0 0 var(--sidebar);
  background:var(--panel);
  border-right:1px solid var(--line);
  display:flex;
  flex-direction:column;
  overflow-y:auto;
  scrollbar-width:thin;
  scrollbar-color:#2b3341 transparent;
}
.sidebar::-webkit-scrollbar{width:10px}
.sidebar::-webkit-scrollbar-thumb{background:#2b3341;border-radius:8px;border:3px solid var(--panel)}

.brand{display:flex;gap:12px;align-items:center;padding:18px 18px 14px}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:11px;
  background:linear-gradient(145deg,#1d2735,#161c24);
  border:1px solid var(--line);
  display:grid;place-items:center;color:var(--accent);
}
.brand-mark svg{width:22px;height:22px}
.brand h1{margin:0;font-size:16px;font-weight:650;letter-spacing:.2px}
.brand p{margin:2px 0 0;font-size:11.5px;color:var(--muted)}

/* dropzone */
.drop{
  margin:0 16px 14px;padding:18px 14px;border-radius:var(--radius);
  border:1.5px dashed #2f3846;background:#121821;
  text-align:center;display:flex;flex-direction:column;gap:4px;
  transition:border-color .15s,background .15s;
}
.drop.hot{border-color:var(--accent);background:#141d2b}
.drop strong{font-size:13.5px;font-weight:600}
.drop span{font-size:12px;color:var(--muted)}
.drop small{margin-top:6px;font-size:11px;color:var(--muted);word-break:break-all}
.drop small.has{color:var(--ok)}
.linkish{background:none;border:0;padding:0;color:var(--accent);cursor:pointer;text-decoration:underline}

/* presets */
.presets{padding:0 16px 14px}
.presets-label{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:7px}
.preset-row{display:flex;flex-wrap:wrap;gap:6px}
.chip{
  padding:5px 11px;border-radius:999px;border:1px solid var(--line);
  background:var(--panel-2);color:var(--muted);cursor:pointer;font-size:12px;
  transition:.12s;
}
.chip:hover{color:var(--text);border-color:#3a4453}
.presets-note{margin:8px 0 0;font-size:11px;line-height:1.45;color:#66768c}

/* groups + fields */
.group{border-top:1px solid var(--line);padding:14px 16px 4px}
.group h2{
  margin:0 0 12px;font-size:11px;font-weight:650;text-transform:uppercase;
  letter-spacing:.09em;color:var(--muted);
}
.field{margin-bottom:16px}
.field-head{display:flex;align-items:baseline;justify-content:space-between;gap:8px;margin-bottom:6px}
.field-head label{font-size:13px;font-weight:550}
.field-head code,.hint code{color:#7d8ba0;background:#11161d;padding:1px 5px;border-radius:5px;border:1px solid #202733}

.control{display:flex;align-items:center;gap:8px}
.control input[type=number],.control input[type=text],.control select{
  flex:1;min-width:0;height:32px;padding:0 9px;border-radius:8px;
  background:#0f141b;border:1px solid var(--line);outline:none;
}
.control input[type=number]:focus,.control input[type=text]:focus,.control select:focus{border-color:var(--accent-2)}
.control input:disabled{opacity:.4}
.control select{cursor:pointer;appearance:none;padding-right:26px;
  background-image:linear-gradient(45deg,transparent 50%,#7d8ba0 50%),linear-gradient(135deg,#7d8ba0 50%,transparent 50%);
  background-position:calc(100% - 15px) 14px,calc(100% - 10px) 14px;
  background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.control .unit{font-size:11px;color:var(--muted);white-space:nowrap}
.control input[type=color]{width:34px;height:32px;padding:2px;border:1px solid var(--line);border-radius:8px;background:#0f141b;cursor:pointer}

.control.range{gap:10px}
.control.range input[type=range]{flex:1;min-width:0}
.control.range input[type=number]{flex:0 0 68px}

input[type=range]{
  -webkit-appearance:none;appearance:none;height:4px;border-radius:3px;
  background:#2b3341;outline:none;cursor:pointer;
}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:14px;height:14px;border-radius:50%;
  background:var(--accent);border:2px solid #0e1116;cursor:pointer;
}
input[type=range]::-moz-range-thumb{width:12px;height:12px;border-radius:50%;background:var(--accent);border:2px solid #0e1116;cursor:pointer}

.chk{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--muted);cursor:pointer;white-space:nowrap;user-select:none}
.chk input{accent-color:var(--accent);width:14px;height:14px;cursor:pointer}

.hint{margin:7px 0 0;font-size:11.5px;line-height:1.5;color:var(--muted)}
.hint b{color:#b8c3d2;font-weight:600}
.hint em{color:#7d8ba0;font-style:normal}

/* switch */
.sw{display:flex;align-items:center;gap:9px;cursor:pointer;user-select:none}
.sw input{position:absolute;opacity:0;pointer-events:none}
.sw-track{width:34px;height:19px;flex:0 0 34px;border-radius:999px;background:#2b3341;position:relative;transition:.15s}
.sw-dot{position:absolute;top:2px;left:2px;width:15px;height:15px;border-radius:50%;background:#7d8ba0;transition:.15s}
.sw input:checked + .sw-track{background:rgba(96,165,250,.32)}
.sw input:checked + .sw-track .sw-dot{transform:translateX(15px);background:var(--accent)}
.sw-text{font-size:13px;font-weight:550}
.field.switch .hint{margin-left:43px}

/* cli */
.cli{margin:6px 16px 18px;padding:10px 12px;border-radius:var(--radius);background:#0f141b;border:1px solid var(--line)}
.cli-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px;font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.07em}
.mini{background:none;border:1px solid var(--line);border-radius:6px;color:var(--muted);font-size:10.5px;padding:2px 7px;cursor:pointer;text-transform:none;letter-spacing:0}
.mini:hover{color:var(--text);border-color:#3a4453}
#cliText{display:block;color:#9fb4d0;word-break:break-all;line-height:1.6}

/* ------------------------------------------- ручка изменения ширины */
.sidebar-resizer{
  flex:0 0 5px;width:5px;align-self:stretch;
  cursor:col-resize;background:transparent;
  position:relative;z-index:5;user-select:none;touch-action:none;
  margin-left:-3px;margin-right:-2px;   /* тянемся чуть шире визуальной линии */
  transition:background .12s;
}
.sidebar-resizer::after{
  content:"";position:absolute;top:50%;left:50%;
  width:3px;height:34px;margin:-17px 0 0 -1.5px;border-radius:3px;
  background:#3a4453;opacity:0;transition:opacity .12s;
}
.sidebar-resizer:hover,.sidebar-resizer.dragging{background:rgba(96,165,250,.25)}
.sidebar-resizer:hover::after,.sidebar-resizer.dragging::after{opacity:1}
body.resizing{cursor:col-resize;user-select:none}
body.resizing .stage{cursor:col-resize}

/* ------------------------------------------------------------ main */
.main{flex:1;min-width:0;display:flex;flex-direction:column}

.toolbar{
  display:flex;align-items:center;gap:10px;padding:10px 14px;
  border-bottom:1px solid var(--line);background:var(--panel);flex-wrap:wrap;
}
.btn{
  height:32px;padding:0 14px;border-radius:8px;border:1px solid var(--line);
  background:var(--panel-2);cursor:pointer;font-size:13px;font-weight:550;transition:.12s;
}
.btn:hover:not(:disabled){border-color:#3a4453;background:#212936}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn.primary{background:var(--accent-2);border-color:var(--accent-2);color:#fff}
.btn.primary:hover:not(:disabled){background:#2f74e0;border-color:#2f74e0}
.btn.ghost{background:transparent}
.btn.busy{position:relative;color:transparent}
.btn.busy::after{
  content:"";position:absolute;inset:0;margin:auto;width:14px;height:14px;border-radius:50%;
  border:2px solid rgba(255,255,255,.35);border-top-color:#fff;animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

.sep{width:1px;height:22px;background:var(--line)}
.spacer{flex:1}

.segmented{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.segmented button{
  height:30px;padding:0 11px;border:0;background:transparent;color:var(--muted);
  cursor:pointer;font-size:12.5px;
}
.segmented button + button{border-left:1px solid var(--line)}
.segmented button.on{background:var(--panel-2);color:var(--text)}
.segmented button:hover{color:var(--text)}

.slider{display:flex;align-items:center;gap:8px;font-size:11px;color:var(--muted)}
.slider input[type=range]{width:110px}
.auto-run{font-size:12.5px}

/* panes */
.panes{flex:1;display:flex;min-height:0;gap:1px;background:var(--line)}
.pane{flex:1;min-width:0;display:flex;flex-direction:column;background:var(--bg)}
.panes[data-view=result] .pane[data-pane=in],
.panes[data-view=overlay] .pane[data-pane=in]{display:none}

.pane-head{
  display:flex;justify-content:space-between;align-items:center;gap:8px;
  padding:7px 12px;font-size:11.5px;color:var(--muted);
  border-bottom:1px solid var(--line);background:var(--panel);
}
.pane-meta{font-family:ui-monospace,Consolas,monospace;font-size:11px;color:#66768c}

.stage{flex:1;position:relative;overflow:hidden;cursor:grab}
.stage:active{cursor:grabbing}
.stage-inner{
  position:absolute;top:0;left:0;transform-origin:0 0;
  display:grid;place-items:start;
}
.stage-inner img{display:block;max-width:none;grid-area:1/1}
.stage-inner img.under{opacity:.45}

.stage[data-bg=checker]{
  background-color:#f7f7f8;
  background-image:
    linear-gradient(45deg,#e3e5e9 25%,transparent 25%,transparent 75%,#e3e5e9 75%),
    linear-gradient(45deg,#e3e5e9 25%,transparent 25%,transparent 75%,#e3e5e9 75%);
  background-size:18px 18px;background-position:0 0,9px 9px;
}
.stage[data-bg=light]{background:#ffffff}
.stage[data-bg=dark]{background:#0b0e13}

.stage-empty{
  position:absolute;inset:0;display:grid;place-items:center;
  font-size:12.5px;color:#6b7789;background:var(--bg);pointer-events:none;
}
.stage-empty.gone{display:none}

/* status */
.statusbar{
  display:flex;align-items:center;gap:10px;padding:7px 14px;
  border-top:1px solid var(--line);background:var(--panel);
  font-size:12px;color:var(--muted);min-height:32px;
}
#status.ok{color:var(--ok)}
#status.err{color:var(--err)}
#status.work{color:var(--warn)}
.auto-info{font-family:ui-monospace,Consolas,monospace;font-size:11px;color:#66768c}

/* drag veil */
.dropveil{
  position:fixed;inset:0;display:none;place-items:center;z-index:50;
  background:rgba(10,14,20,.82);backdrop-filter:blur(2px);
  border:2px dashed var(--accent);font-size:16px;font-weight:600;color:var(--accent);
}
.dropveil.on{display:grid}

@media (max-width:1100px){
  :root{--sidebar:330px}
  .panes{flex-direction:column}
}