:root{
  --bg:#0b0d12;
  --bg2:#11141c;
  --panel:#141822;
  --panel2:#1a1f2b;
  --line:#242b3a;
  --text:#e8ecf5;
  --muted:#8b95ab;
  --accent:#5ac8fa;
  --accent2:#7c5cff;
  --ok:#35d07f;
  --err:#ff5c72;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Ubuntu,sans-serif;
  background:radial-gradient(1200px 700px at 75% -10%, #1b2333 0%, var(--bg) 55%);
  color:var(--text);
  overflow:hidden;
}

/* ---- topbar ---- */
.topbar{
  height:62px;display:flex;align-items:center;justify-content:space-between;
  padding:0 22px;border-bottom:1px solid var(--line);
  background:rgba(12,15,21,.75);backdrop-filter:blur(12px);
}
.brand{display:flex;align-items:center;gap:12px}
.logo{
  width:30px;height:30px;border-radius:9px;
  background:conic-gradient(from 210deg,var(--accent),var(--accent2),var(--accent));
  box-shadow:0 0 22px rgba(90,200,250,.35);
}
.brand-name{font-weight:800;letter-spacing:.16em;font-size:14px}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.04em}
.topbar-right{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:8px}
.live-dot{
  width:7px;height:7px;border-radius:50%;background:var(--ok);
  box-shadow:0 0 0 0 rgba(53,208,127,.7);animation:pulse 2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(53,208,127,.6)}
  70%{box-shadow:0 0 0 9px rgba(53,208,127,0)}
  100%{box-shadow:0 0 0 0 rgba(53,208,127,0)}
}

/* ---- layout ---- */
.layout{
  height:calc(100% - 62px);
  display:grid;grid-template-columns:340px 1fr;
}

/* ---- panel ---- */
.panel{
  border-right:1px solid var(--line);
  background:linear-gradient(180deg,var(--panel),var(--bg2));
  min-height:0;display:flex;flex-direction:column;
}
.panel-scroll{overflow-y:auto;padding:18px 18px 26px;min-height:0}
.panel-scroll::-webkit-scrollbar{width:9px}
.panel-scroll::-webkit-scrollbar-thumb{background:#252c3b;border-radius:9px}
.panel-scroll::-webkit-scrollbar-track{background:transparent}

.group{margin-bottom:22px}
.group h3{
  margin:0 0 12px;font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);font-weight:700;
}

.ctl{display:block;margin-bottom:14px;cursor:pointer}
.ctl-name{
  display:flex;justify-content:space-between;align-items:baseline;
  font-size:12.5px;color:#cfd7e6;margin-bottom:7px;
}
.ctl-name b{color:var(--accent);font-variant-numeric:tabular-nums;font-weight:600;font-size:12px}

input[type=range]{
  -webkit-appearance:none;appearance:none;width:100%;height:4px;border-radius:4px;
  background:#2a3242;outline:none;cursor:pointer;
}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;appearance:none;width:16px;height:16px;border-radius:50%;
  background:linear-gradient(180deg,#fff,#cfe6ff);
  border:2px solid #2f3a4d;
  box-shadow:0 2px 8px rgba(0,0,0,.55), 0 0 12px rgba(90,200,250,.35);
  transition:transform .12s;
}
input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.14)}
input[type=range]::-moz-range-thumb{
  width:15px;height:15px;border-radius:50%;border:2px solid #2f3a4d;
  background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.55);
}
input[type=range].hue{
  background:linear-gradient(90deg,
    hsl(0 80% 55%),hsl(60 80% 55%),hsl(120 80% 55%),hsl(180 80% 55%),
    hsl(240 80% 55%),hsl(300 80% 55%),hsl(360 80% 55%));
}

.ctl.toggle{display:flex;align-items:center;gap:10px;font-size:12.5px;color:#cfd7e6;margin-top:6px}
.ctl.toggle input{width:16px;height:16px;accent-color:var(--accent)}

.btn-ghost{
  width:100%;padding:11px;border-radius:10px;cursor:pointer;
  background:transparent;border:1px solid var(--line);color:var(--muted);
  font-size:12.5px;font-family:inherit;transition:.15s;
}
.btn-ghost:hover{border-color:#3a465e;color:var(--text);background:#181d28}

/* ---- stage ---- */
.stage{position:relative;min-height:0;overflow:hidden}
#view{display:block;width:100%;height:100%;touch-action:none;cursor:grab}
#view:active{cursor:grabbing}

.stage-hud{
  position:absolute;top:16px;right:16px;display:flex;flex-direction:column;gap:7px;align-items:flex-end;
  pointer-events:none;
}
.hud-chip{
  font-size:11px;color:#9aa6bd;background:rgba(10,13,19,.6);
  border:1px solid var(--line);padding:5px 10px;border-radius:20px;backdrop-filter:blur(7px);
}

.stage-bottom{
  position:absolute;left:0;right:0;bottom:0;padding:18px 22px 22px;
  background:linear-gradient(180deg,transparent,rgba(8,10,15,.88) 55%);
  pointer-events:none;
}
.order-box{
  pointer-events:auto;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:rgba(18,22,31,.86);border:1px solid var(--line);
  border-radius:16px;padding:14px 16px 14px 20px;backdrop-filter:blur(14px);
  box-shadow:0 18px 45px rgba(0,0,0,.5);
}
.order-box-text{display:flex;flex-direction:column;gap:3px}
.order-box-text strong{font-size:14px}
.order-box-text span{font-size:12px;color:var(--muted)}

.btn-primary{
  border:0;cursor:pointer;font-family:inherit;font-weight:600;font-size:13.5px;
  color:#04121c;padding:12px 22px;border-radius:11px;white-space:nowrap;
  background:linear-gradient(135deg,var(--accent),#8fd8ff 55%,var(--accent2));
  box-shadow:0 8px 26px rgba(90,200,250,.3);
  transition:transform .14s, box-shadow .14s, filter .14s;
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 32px rgba(90,200,250,.45)}
.btn-primary:active{transform:translateY(0)}
.btn-primary:disabled{filter:grayscale(.6) brightness(.8);cursor:not-allowed;transform:none}
.btn-block{width:100%;margin-top:6px}

/* ---- modal ---- */
.modal-backdrop{
  position:fixed;inset:0;z-index:60;background:rgba(5,7,11,.78);
  backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;padding:24px;
  animation:fade .18s ease;
}
.modal-backdrop[hidden]{display:none}
@keyframes fade{from{opacity:0}to{opacity:1}}

.modal{
  position:relative;width:min(1020px,100%);max-height:92vh;overflow:auto;
  background:linear-gradient(180deg,#151a25,#0e121a);
  border:1px solid var(--line);border-radius:20px;
  box-shadow:0 40px 100px rgba(0,0,0,.7);
  animation:rise .22s cubic-bezier(.2,.9,.3,1);
}
@keyframes rise{from{opacity:0;transform:translateY(16px) scale(.985)}to{opacity:1;transform:none}}
.modal::-webkit-scrollbar{width:10px}
.modal::-webkit-scrollbar-thumb{background:#252c3b;border-radius:10px}

.modal-close{
  position:absolute;top:14px;right:16px;z-index:3;
  width:34px;height:34px;border-radius:10px;cursor:pointer;
  background:#1b212d;border:1px solid var(--line);color:var(--muted);
  font-size:19px;line-height:1;transition:.15s;
}
.modal-close:hover{color:#fff;background:#242c3b}

.modal-grid{display:grid;grid-template-columns:1fr 1fr}
.modal-preview{padding:26px;border-right:1px solid var(--line);background:#0f131b}
.modal-preview h4{margin:0 0 14px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.preview-frame{
  border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#0a0d13;
  aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;
}
.preview-frame img{width:100%;height:100%;object-fit:contain;display:block}
.preview-meta{
  display:flex;justify-content:space-between;align-items:center;
  font-size:12px;color:var(--muted);margin-top:11px;
}
.preview-meta a{color:var(--accent);text-decoration:none}
.preview-meta a:hover{text-decoration:underline}
.format-pick{
  margin-top:14px;display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  font-size:12px;color:var(--muted);
}
.format-pick label{display:flex;align-items:center;gap:5px;cursor:pointer;color:#cfd7e6}
.format-pick input{accent-color:var(--accent)}

.modal-form{padding:26px}
.modal-form h3{margin:0 0 6px;font-size:19px}
.muted{color:var(--muted);font-size:12.5px;margin:0}
.tiny{font-size:11px;margin-top:10px;text-align:center}

.field{display:block;margin-top:14px}
.field span{display:block;font-size:12px;color:#aab5c9;margin-bottom:6px}
.field em{color:var(--accent);font-style:normal}
.field input,.field textarea{
  width:100%;padding:11px 13px;border-radius:10px;font-family:inherit;font-size:13.5px;
  background:#0e121a;border:1px solid var(--line);color:var(--text);outline:none;
  transition:border-color .15s, box-shadow .15s;resize:vertical;
}
.field input:focus,.field textarea:focus{
  border-color:var(--accent);box-shadow:0 0 0 3px rgba(90,200,250,.13);
}
.field input::placeholder,.field textarea::placeholder{color:#5b657a}
.field input.bad,.field textarea.bad{border-color:var(--err);box-shadow:0 0 0 3px rgba(255,92,114,.13)}

.attach-row{
  margin-top:16px;display:flex;align-items:center;gap:12px;
  background:#0e121a;border:1px dashed #2c3547;border-radius:12px;padding:11px 12px;
}
.attach-icon{font-size:20px;filter:grayscale(.2)}
.attach-info{flex:1;min-width:0}
.attach-name{font-size:12.5px;color:#dbe3f0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.attach-sub{font-size:11px;color:var(--muted);margin-top:2px}
.attach-btn{
  position:relative;overflow:hidden;cursor:pointer;font-size:11.5px;color:var(--accent);
  border:1px solid #2b3446;padding:7px 12px;border-radius:9px;white-space:nowrap;
}
.attach-btn:hover{background:#161d29}
.attach-btn input[type=file]{
  position:absolute;inset:0;opacity:0;cursor:pointer;font-size:0;
}

.form-error{
  margin-top:14px;padding:10px 13px;border-radius:10px;font-size:12.5px;
  background:rgba(255,92,114,.11);border:1px solid rgba(255,92,114,.35);color:#ffb3bd;
}

.success{text-align:center;padding:26px 8px}
.success-check{
  width:62px;height:62px;margin:0 auto 16px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:30px;color:#062;
  background:linear-gradient(135deg,#43e08c,#19b46b);color:#04240f;
  box-shadow:0 0 0 10px rgba(53,208,127,.1);
}
.success h4{margin:0 0 10px;font-size:19px}
.success p{margin:5px 0;font-size:13px}

@media (max-width:980px){
  .layout{grid-template-columns:1fr;grid-template-rows:minmax(0,42%) minmax(0,58%)}
  .panel{border-right:0;border-bottom:1px solid var(--line)}
  .modal-grid{grid-template-columns:1fr}
  .modal-preview{border-right:0;border-bottom:1px solid var(--line)}
}