/* MoCap Studio v4 — style.css */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg0:#05080d;--bg1:#0b1018;--bg2:#101820;--bg3:#172030;
  --border:rgba(255,255,255,0.07);
  --text:#c8d8e8;--muted:#5a7a8a;
  --right:#00ff88;--left:#00d4ff;--joint:#ffcc00;
  --rec:#ff3b3b;--auto:#3399ff;--manual:#ff9900;
  --mono:'JetBrains Mono',monospace;--ui:'Sora',sans-serif;
}
html{scroll-behavior:smooth}
body{background:var(--bg0);color:var(--text);font-family:var(--ui);
  font-size:14px;line-height:1.5;min-height:100vh;padding-bottom:40px}

/* ── Loading ── */
#loadScreen{position:fixed;inset:0;background:var(--bg0);
  display:flex;align-items:center;justify-content:center;z-index:9999}
.load-inner{text-align:center;max-width:300px}
.load-ring{width:52px;height:52px;border:3px solid var(--bg3);
  border-top-color:var(--right);border-radius:50%;
  animation:spin .9s linear infinite;margin:0 auto 18px}
@keyframes spin{to{transform:rotate(360deg)}}
.load-inner>p{font-family:var(--mono);font-size:13px;color:var(--text)}
.load-steps{display:flex;flex-direction:column;gap:5px;margin:12px 0;text-align:left}
.lstep{font-family:var(--mono);font-size:11px;color:var(--muted)}
.load-sub{color:var(--muted);font-size:11px;margin-top:6px}

/* ── Header ── */
header{display:flex;align-items:center;justify-content:space-between;
  padding:16px 24px 14px;border-bottom:1px solid var(--border);background:var(--bg1)}
.hdr-brand{display:flex;align-items:center;gap:14px}
h1{font-family:var(--mono);font-size:17px;font-weight:700;color:#e8f4ff;letter-spacing:.04em}
.tagline{font-size:11px;color:var(--muted);font-family:var(--mono)}
.hdr-right{display:flex;align-items:center;gap:8px}
.status-txt{font-family:var(--mono);font-size:12px;color:var(--muted)}
.sdot{width:9px;height:9px;border-radius:50%;display:inline-block;flex-shrink:0}
.sdot-init{background:var(--muted)}
.sdot-ready{background:var(--right)}
.sdot-live{background:var(--right);box-shadow:0 0 8px var(--right);animation:pulse 1.4s infinite}
.sdot-error{background:var(--rec)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}

/* ── Labeling instruction banner ── */
.label-banner{
  display:flex;align-items:center;gap:10px;
  padding:8px 20px;background:rgba(255,204,0,0.08);
  border-bottom:1px solid rgba(255,204,0,0.25);
  font-family:var(--mono);font-size:12px;color:#ffcc00;
}
.label-banner.hidden{display:none}
.label-banner svg{flex-shrink:0}
.btn-cancel{
  margin-left:auto;background:transparent;border:1px solid rgba(255,204,0,.3);
  color:#ffcc00;font-family:var(--mono);font-size:11px;
  padding:3px 10px;border-radius:4px;cursor:pointer;
}
.btn-cancel:hover{background:rgba(255,204,0,.1)}

/* ── Session bar ── */
.session-bar{display:flex;align-items:center;flex-wrap:wrap;
  gap:14px;padding:12px 24px;background:var(--bg1);
  border-bottom:1px solid var(--border)}
.sbar-fields{display:flex;gap:12px;flex-wrap:wrap}
.field{display:flex;flex-direction:column;gap:4px}
.field label{font-size:10px;font-family:var(--mono);color:var(--muted);
  letter-spacing:.06em;text-transform:uppercase}
.field input{background:var(--bg2);border:1px solid var(--border);
  color:var(--text);font-family:var(--mono);font-size:13px;
  padding:6px 10px;border-radius:5px;width:190px;outline:none;
  transition:border-color .15s}
.field input:focus{border-color:rgba(0,255,136,.4)}
.field input::placeholder{color:var(--muted)}
.sbar-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.sbar-stats{display:flex;gap:12px;flex-wrap:wrap}
.stat{font-family:var(--mono);font-size:12px;color:var(--muted);min-width:64px}

/* ── Buttons ── */
.btn{font-family:var(--mono);font-size:12px;font-weight:600;
  padding:7px 14px;border-radius:5px;border:1px solid var(--border);
  cursor:pointer;display:inline-flex;align-items:center;gap:6px;
  transition:opacity .15s,transform .1s;letter-spacing:.03em}
.btn:active{transform:scale(.97)}
.btn:disabled{opacity:.3;cursor:not-allowed}
.btn:not(:disabled):hover{opacity:.82}
.btn-cam{background:var(--bg3);color:var(--text)}
.btn-label{background:var(--bg3);color:var(--manual);border-color:rgba(255,153,0,.28)}
.btn-rec{background:var(--bg3);color:var(--right);border-color:rgba(0,255,136,.25)}
.btn-rec-on{background:rgba(255,59,59,.15);color:var(--rec);border-color:rgba(255,59,59,.4)}
.btn-ghost{background:transparent;color:var(--muted)}
.btn-save{background:var(--bg3);color:#90c8ff;border-color:rgba(144,200,255,.2)}
.btn-mini{font-family:var(--mono);font-size:11px;font-weight:600;
  padding:3px 9px;background:var(--bg2);color:var(--muted);
  border:1px solid var(--border);border-radius:4px;cursor:pointer;transition:opacity .15s}
.btn-mini:hover{opacity:.72}
.rdot{width:8px;height:8px;border-radius:50%;background:var(--muted);display:inline-block;flex-shrink:0}
.rdot-active{background:var(--rec);animation:pulse .7s infinite}

/* ── Views ── */
.views{display:grid;grid-template-columns:1fr 1fr;gap:1px;
  background:var(--border);border-bottom:1px solid var(--border)}
.view-box{background:var(--bg0);overflow:hidden}
.view-label{font-family:var(--mono);font-size:10px;color:var(--muted);
  letter-spacing:.08em;padding:8px 12px;border-bottom:1px solid var(--border);
  display:flex;align-items:center;gap:12px}
.leg{font-size:10px}
.r-leg{color:var(--right)}.l-leg{color:var(--left)}
.hint-inline{font-size:10px;color:var(--muted);opacity:.6;font-style:italic}

/* Camera wrap */
.cam-wrap{position:relative;width:100%;aspect-ratio:4/3;
  background:var(--bg1);display:flex;align-items:center;justify-content:center;
  overflow:hidden}
video{width:100%;display:block;transform:rotateY(180deg);-webkit-transform:rotateY(180deg)}
/* Overlay canvas — NOT CSS-mirrored; x is manually flipped in JS */
.cam-overlay{
  position:absolute;top:0;left:0;width:100%;height:100%;
  pointer-events:none;  /* enable in labeling mode via JS */
}
.no-cam{position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:10px;
  color:var(--muted);font-family:var(--mono);font-size:12px}

#skelCanvas{display:block;width:100%;aspect-ratio:4/3}

/* ── Data row ── */
.data-row{display:grid;grid-template-columns:1fr 1fr 1fr;
  gap:1px;background:var(--border)}
.data-card{background:var(--bg1);padding:16px 18px;overflow-y:auto}
.data-card h3{font-family:var(--mono);font-size:10px;font-weight:700;
  color:var(--muted);letter-spacing:.1em;margin-bottom:10px;text-transform:uppercase}

/* Objects panel */
.obj-hint{font-size:11px;color:var(--muted);line-height:1.6;margin-bottom:10px}
.badge{font-family:var(--mono);font-size:9px;font-weight:700;
  padding:2px 6px;border-radius:3px;letter-spacing:.05em;display:inline-block}
.auto-badge{background:rgba(51,153,255,.18);color:var(--auto)}
.manual-badge{background:rgba(255,153,0,.18);color:var(--manual)}
.obj-list{display:flex;flex-direction:column;gap:5px;max-height:160px;overflow-y:auto}
.obj-item{display:flex;align-items:center;gap:7px;padding:6px 8px;
  border-radius:5px;background:var(--bg2);border:1px solid var(--border);
  transition:border-color .2s}
.obj-item.obj-active{border-color:rgba(255,59,59,.55);background:rgba(255,59,59,.06)}
.obj-name{font-family:var(--mono);font-size:12px;color:#ddf;flex:1}
.obj-conf{color:var(--muted);font-size:10px}
.obj-prox{font-family:var(--mono);font-size:11px;color:var(--rec);font-weight:700}
.obj-del{background:transparent;border:none;color:var(--muted);
  cursor:pointer;font-size:14px;padding:0 4px;line-height:1;transition:color .15s}
.obj-del:hover{color:var(--rec)}
.empty-lbl{font-family:var(--mono);font-size:12px;color:var(--muted)}

/* Gesture panels */
.gest-panels{display:flex;gap:12px}
.gp{flex:1;padding:10px;border-radius:6px;border:1px solid var(--border);
  display:flex;flex-direction:column;gap:4px}
.r-gp{border-color:rgba(0,255,136,.18)}.l-gp{border-color:rgba(0,212,255,.18)}
.htag{font-family:var(--mono);font-size:10px;font-weight:700;
  letter-spacing:.08em;border-radius:3px;padding:2px 7px;align-self:flex-start}
.r-htag{background:rgba(0,255,136,.12);color:var(--right)}
.l-htag{background:rgba(0,212,255,.12);color:var(--left)}
.gname{font-family:var(--mono);font-size:18px;font-weight:700;color:#e8f4ff}
.gconf{font-family:var(--mono);font-size:12px;color:var(--joint)}
.gvel{font-family:var(--mono);font-size:11px;color:var(--muted)}
.gobj{font-family:var(--mono);font-size:11px;color:var(--rec);font-weight:600}

/* Angle table */
.angle-table{display:flex;flex-direction:column;gap:7px}
.arow{display:flex;align-items:center;gap:8px}
.jn{font-family:var(--mono);font-size:11px;width:90px;flex-shrink:0}
.r-txt{color:var(--right)}.l-txt{color:var(--left)}
.atrack{flex:1;height:4px;background:var(--bg3);border-radius:2px;overflow:hidden}
.abar{height:100%;width:0%;border-radius:2px;transition:width .1s}
.r-bar{background:var(--right)}.l-bar{background:var(--left)}
.av{font-family:var(--mono);font-size:12px;color:var(--joint);
  width:36px;text-align:right;flex-shrink:0}

/* Session list */
.session-list{display:flex;flex-direction:column;gap:6px;max-height:140px;overflow-y:auto;margin-top:4px}
.sitem{padding:7px 10px;background:var(--bg2);border-radius:5px;
  border:1px solid var(--border);display:flex;flex-direction:column;gap:3px}
.sitem-name{font-family:var(--mono);font-size:12px;font-weight:600;color:#d0e8ff}
.sitem-meta{font-family:var(--mono);font-size:10px;color:var(--muted)}

/* Scrollbars */
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:var(--bg2)}
::-webkit-scrollbar-thumb{background:var(--bg3);border-radius:3px}

/* ── Responsive ── */
@media(max-width:960px){
  .views{grid-template-columns:1fr}
  .data-row{grid-template-columns:1fr}
}
@media(max-width:600px){
  .sbar-fields{flex-direction:column}
  .field input{width:100%}
  .gest-panels{flex-direction:column}
}