/* ============================================================
   EgoKit Viewer — professional dark studio theme
   ============================================================ */
:root {
  --bg:        #0a0d14;
  --bg-2:      #0e131c;
  --panel:     #121826;
  --panel-2:   #161d2e;
  --panel-3:   #1b2438;
  --line:      #232c42;
  --line-2:    #2c3754;
  --txt:       #e7ecf5;
  --txt-2:     #9aa6bd;
  --txt-3:     #6b7791;
  --accent:    #5b8cff;
  --accent-2:  #7aa2ff;
  --accent-glow: rgba(91,140,255,.35);
  --head:      #ffd27a;
  --left:      #50b4ff;
  --right:     #ff8c50;
  --good:      #3ddc97;
  --warn:      #ffce5c;
  --err:       #ff6b7d;
  --radius:    14px;
  --radius-sm: 9px;
  --shadow:    0 14px 40px rgba(0,0,0,.45);
  --mono: "SF Mono", "JetBrains Mono", "Cascadia Code", ui-monospace, Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: var(--sans);
  color: var(--txt);
  background:
    radial-gradient(1200px 600px at 78% -10%, rgba(91,140,255,.10), transparent 60%),
    radial-gradient(900px 500px at -5% 110%, rgba(122,162,255,.08), transparent 55%),
    var(--bg);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

#app {
  display: grid;
  grid-template-rows: auto 1fr auto;
  height: 100vh;
}

/* ===================== TOP BAR ===================== */
.topbar {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 0 18px;
  height: 58px;
  background: linear-gradient(180deg, rgba(18,24,38,.92), rgba(14,19,28,.92));
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
  z-index: 6;
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo-dot {
  width: 20px; height: 20px; border-radius: 6px;
  background: conic-gradient(from 140deg, var(--accent), #9b6bff, var(--accent));
  box-shadow: 0 0 18px var(--accent-glow), inset 0 0 8px rgba(255,255,255,.25);
}
.logo-dot-lg { width: 40px; height: 40px; border-radius: 11px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-weight: 700; font-size: 16px; letter-spacing: .2px; }
.brand-accent { color: var(--accent-2); }
.brand-sub { font-size: 10.5px; color: var(--txt-3); letter-spacing: .6px; text-transform: uppercase; }

.episode-chip {
  display: flex; align-items: center; gap: 9px;
  margin-left: 6px; padding: 7px 13px;
  background: var(--panel-2); border: 1px solid var(--line);
  border-radius: 999px; font-size: 12.5px;
}
.ep-icon { color: var(--good); font-size: 10px; }
.ep-name { font-family: var(--mono); color: var(--txt); }
.ep-meta { color: var(--txt-3); font-size: 11px; }

.topbar-actions { margin-left: auto; display: flex; gap: 10px; align-items: center; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--sans); font-size: 13px; font-weight: 600;
  padding: 9px 15px; border-radius: 10px; border: 1px solid transparent;
  cursor: pointer; transition: .15s ease; color: var(--txt);
}
.btn-primary {
  background: linear-gradient(180deg, var(--accent), #436ddb);
  box-shadow: 0 6px 18px var(--accent-glow);
  color: #fff;
}
.btn-primary:hover { filter: brightness(1.08); transform: translateY(-1px); }
.btn-ghost { background: var(--panel-2); border-color: var(--line-2); color: var(--txt-2); }
.btn-ghost:hover { color: var(--txt); border-color: var(--accent); }
.btn-lg { font-size: 15px; padding: 13px 24px; }

/* ===================== STAGE ===================== */
.stage {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 14px;
  padding: 14px;
  min-height: 0;
}

/* ----- viewers ----- */
.viewers {
  display: grid;
  grid-template-rows: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 14px;
  min-height: 0;
}
.cam-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px; min-height: 0;
}
.cam-card, .pose-card {
  display: flex; flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  min-height: 0;
}
figcaption {
  display: flex; align-items: center; gap: 9px;
  padding: 9px 13px; font-size: 12px; font-weight: 600; color: var(--txt-2);
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border-bottom: 1px solid var(--line);
  letter-spacing: .3px;
}
.dot { width: 8px; height: 8px; border-radius: 50%; box-shadow: 0 0 8px currentColor; }
.dot-l { background: var(--left); color: var(--left); }
.dot-r { background: var(--right); color: var(--right); }
.dot-pose { background: var(--accent); color: var(--accent); }
.cam-res { margin-left: auto; font-family: var(--mono); font-size: 10.5px; color: var(--txt-3); font-weight: 500; }

.cam-frame, .pose-frame {
  position: relative; flex: 1; min-height: 0;
  background:
    linear-gradient(45deg, #0b0e15 25%, transparent 25%) -8px 0/16px 16px,
    linear-gradient(-45deg, #0b0e15 25%, transparent 25%) -8px 0/16px 16px,
    linear-gradient(45deg, transparent 75%, #0b0e15 75%) -8px 0/16px 16px,
    linear-gradient(-45deg, transparent 75%, #0b0e15 75%) -8px 0/16px 16px,
    #07090e;
  display: flex; align-items: center; justify-content: center;
}
.cam-frame video { width: 100%; height: 100%; object-fit: contain; display: block; }
.pose-frame canvas { width: 100%; height: 100%; display: block; }
.cam-empty {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  color: var(--txt-3); font-size: 13px; font-family: var(--mono);
  pointer-events: none;
}

.pose-legend { display: flex; gap: 12px; margin-left: 14px; }
.lg { font-size: 10.5px; font-weight: 600; display: inline-flex; align-items: center; gap: 5px; color: var(--txt-3); text-transform: none; letter-spacing: 0; }
.lg::before { content: ""; width: 9px; height: 9px; border-radius: 2px; }
.lg-head::before { background: var(--head); }
.lg-left::before { background: var(--left); }
.lg-right::before { background: var(--right); }
.pose-hint { margin-left: auto; font-size: 10.5px; color: var(--txt-3); font-weight: 500; }

/* ===================== INSPECTOR ===================== */
.inspector {
  display: flex; flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  min-height: 0;
}
.tabs { display: flex; padding: 8px 8px 0; gap: 4px; border-bottom: 1px solid var(--line); background: var(--panel-2); }
.tab {
  flex: 1; padding: 10px 8px; background: none; border: none; cursor: pointer;
  color: var(--txt-3); font-size: 12px; font-weight: 600; font-family: var(--sans);
  border-bottom: 2px solid transparent; transition: .15s; letter-spacing: .2px;
}
.tab:hover { color: var(--txt-2); }
.tab.is-active { color: var(--txt); border-bottom-color: var(--accent); }
.tab-panes { flex: 1; min-height: 0; position: relative; }
.pane { position: absolute; inset: 0; display: none; flex-direction: column; min-height: 0; }
.pane.is-active { display: flex; }

.empty-state { padding: 26px 18px; color: var(--txt-3); font-size: 12.5px; text-align: center; line-height: 1.6; }

/* ----- metadata ----- */
.meta-view { overflow-y: auto; padding: 6px 0 14px; }
.meta-section-title {
  padding: 13px 16px 7px; font-size: 10.5px; font-weight: 700; letter-spacing: 1px;
  text-transform: uppercase; color: var(--accent-2);
}
.meta-row {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 7px 16px; font-size: 12.5px; border-bottom: 1px solid rgba(35,44,66,.5);
}
.meta-row .k { color: var(--txt-3); }
.meta-row .v { color: var(--txt); font-family: var(--mono); text-align: right; word-break: break-word; }
.meta-card {
  margin: 6px 12px; padding: 10px 12px; background: var(--panel-2);
  border: 1px solid var(--line); border-radius: var(--radius-sm);
}
.meta-card .mc-title { font-size: 11.5px; font-weight: 700; color: var(--txt); margin-bottom: 7px; display: flex; align-items: center; gap: 7px; }
.meta-card .mc-title .badge {
  font-size: 9.5px; font-weight: 700; padding: 2px 7px; border-radius: 5px;
  background: rgba(91,140,255,.16); color: var(--accent-2); text-transform: uppercase; letter-spacing: .5px;
}
.meta-card .mc-row { display: flex; justify-content: space-between; font-size: 11.5px; padding: 3px 0; }
.meta-card .mc-row .k { color: var(--txt-3); }
.meta-card .mc-row .v { font-family: var(--mono); color: var(--txt-2); }
.meta-raw {
  margin: 10px 12px 0; padding: 12px; background: #0a0e16; border: 1px solid var(--line);
  border-radius: var(--radius-sm); font-family: var(--mono); font-size: 11px; color: var(--txt-2);
  white-space: pre; overflow-x: auto; max-height: 220px; overflow-y: auto;
}

/* ----- log ----- */
.log-toolbar { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-bottom: 1px solid var(--line); }
.log-toolbar input {
  flex: 1; background: #0a0e16; border: 1px solid var(--line-2); color: var(--txt);
  border-radius: 8px; padding: 7px 11px; font-size: 12px; font-family: var(--sans); outline: none;
}
.log-toolbar input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.log-count { font-size: 11px; color: var(--txt-3); font-family: var(--mono); white-space: nowrap; }
.log-view { flex: 1; overflow-y: auto; padding: 6px 0; font-family: var(--mono); font-size: 11px; }
.log-line { display: flex; gap: 9px; padding: 3px 14px; border-left: 2px solid transparent; line-height: 1.45; }
.log-line:hover { background: rgba(255,255,255,.03); }
.log-line .lt { color: var(--txt-3); white-space: nowrap; }
.log-line .lvl { font-weight: 700; white-space: nowrap; }
.log-line .lsrc { color: var(--accent-2); white-space: nowrap; }
.log-line .lmsg { color: var(--txt-2); word-break: break-word; }
.log-line.is-info  { border-left-color: rgba(61,220,151,.35); }
.log-line.is-info  .lvl { color: var(--good); }
.log-line.is-warn  { border-left-color: var(--warn); background: rgba(255,206,92,.05); }
.log-line.is-warn  .lvl { color: var(--warn); }
.log-line.is-error { border-left-color: var(--err); background: rgba(255,107,125,.06); }
.log-line.is-error .lvl { color: var(--err); }
.log-line.is-rule  { color: var(--txt-3); opacity: .6; }
.log-line.is-rule .lmsg { color: var(--txt-3); }

/* ----- pose stats ----- */
.pose-stats { overflow-y: auto; padding: 12px; }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 14px; }
.stat {
  background: var(--panel-2); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 12px;
}
.stat .sv { font-size: 22px; font-weight: 700; font-family: var(--mono); color: var(--txt); }
.stat .sk { font-size: 10.5px; color: var(--txt-3); text-transform: uppercase; letter-spacing: .6px; margin-top: 3px; }
.track-row {
  display: flex; align-items: center; gap: 10px; padding: 9px 4px; font-size: 12px;
  border-bottom: 1px solid rgba(35,44,66,.5);
}
.track-row .tn { flex: 1; color: var(--txt-2); }
.track-row .tdot { width: 9px; height: 9px; border-radius: 3px; }
.track-row .tstat { font-family: var(--mono); font-size: 11px; }
.tstat.on { color: var(--good); } .tstat.off { color: var(--txt-3); }

/* ===================== TRANSPORT ===================== */
.transport {
  display: flex; align-items: center; gap: 14px;
  padding: 0 18px; height: 66px;
  background: linear-gradient(0deg, rgba(18,24,38,.96), rgba(14,19,28,.92));
  border-top: 1px solid var(--line);
  backdrop-filter: blur(10px);
  z-index: 6;
}
.btn-play {
  width: 44px; height: 44px; border-radius: 50%; border: none; cursor: pointer;
  display: grid; place-items: center; color: #fff;
  background: linear-gradient(180deg, var(--accent), #436ddb);
  box-shadow: 0 6px 18px var(--accent-glow); transition: .15s;
}
.btn-play:hover:not(:disabled) { filter: brightness(1.1); transform: scale(1.05); }
.btn-play:disabled { background: var(--panel-3); box-shadow: none; color: var(--txt-3); cursor: default; }
.btn-step {
  width: 34px; height: 34px; border-radius: 9px; border: 1px solid var(--line-2);
  background: var(--panel-2); color: var(--txt-2); cursor: pointer; display: grid; place-items: center; transition: .15s;
}
.btn-step:hover:not(:disabled) { color: var(--txt); border-color: var(--accent); }
.btn-step:disabled { opacity: .4; cursor: default; }

.time-readout { font-family: var(--mono); font-size: 13px; color: var(--txt); min-width: 64px; text-align: center; }
.time-total { color: var(--txt-3); }

.scrub { position: relative; flex: 1; height: 44px; display: flex; align-items: center; }
.scrub-track {
  position: absolute; left: 0; right: 0; height: 6px; border-radius: 999px;
  background: var(--panel-3); overflow: visible;
}
.scrub-buffer { position: absolute; left: 0; top: 0; height: 100%; width: 0; background: rgba(255,255,255,.08); border-radius: 999px; }
.scrub-fill {
  position: absolute; left: 0; top: 0; height: 100%; width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 999px; box-shadow: 0 0 10px var(--accent-glow);
}
.scrub-head {
  position: absolute; top: 50%; left: 0; width: 14px; height: 14px; border-radius: 50%;
  background: #fff; box-shadow: 0 0 0 4px var(--accent-glow), 0 2px 6px rgba(0,0,0,.5);
  transform: translate(-50%, -50%); pointer-events: none; transition: opacity .15s;
}
.scrub input[type=range] {
  position: absolute; left: 0; right: 0; width: 100%; height: 44px; margin: 0;
  opacity: 0; cursor: pointer;
}

.frame-readout { font-family: var(--mono); font-size: 11.5px; color: var(--txt-3); min-width: 96px; text-align: center; }

.transport-right { display: flex; align-items: center; gap: 10px; }
.speed-wrap { position: relative; }
.btn-mini {
  background: var(--panel-2); border: 1px solid var(--line-2); color: var(--txt-2);
  border-radius: 8px; padding: 7px 10px; font-size: 12px; font-family: var(--mono); cursor: pointer; transition: .15s;
  display: grid; place-items: center;
}
.btn-mini:hover { color: var(--txt); border-color: var(--accent); }
.speed-menu {
  position: absolute; bottom: calc(100% + 8px); right: 0; background: var(--panel-2);
  border: 1px solid var(--line-2); border-radius: 10px; padding: 5px; box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 2px; z-index: 8;
}
.speed-menu button {
  background: none; border: none; color: var(--txt-2); padding: 7px 18px; font-size: 12px;
  font-family: var(--mono); cursor: pointer; border-radius: 6px; text-align: left;
}
.speed-menu button:hover { background: var(--panel-3); color: var(--txt); }
.speed-menu button.is-active { color: var(--accent-2); }
.volume { width: 84px; accent-color: var(--accent); cursor: pointer; }

/* ===================== OVERLAYS ===================== */
.dropzone {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(8,11,18,.82); backdrop-filter: blur(6px);
  display: grid; place-items: center;
}
.dropzone-inner {
  border: 2.5px dashed var(--accent); border-radius: 22px; padding: 60px 90px;
  color: var(--accent-2); text-align: center; background: rgba(91,140,255,.06);
}
.dropzone-inner p { font-size: 17px; color: var(--txt); margin: 16px 0 0; }

.welcome {
  position: fixed; inset: 0; z-index: 40; display: grid; place-items: center;
  background:
    radial-gradient(1000px 600px at 50% -10%, rgba(91,140,255,.14), transparent 60%),
    var(--bg);
}
.welcome-card {
  text-align: center; max-width: 560px; padding: 48px 40px;
  background: linear-gradient(180deg, var(--panel), var(--bg-2));
  border: 1px solid var(--line); border-radius: 24px; box-shadow: var(--shadow);
}
.welcome-card h1 { font-size: 34px; margin: 16px 0 8px; letter-spacing: -.5px; }
.welcome-card > p { color: var(--txt-2); font-size: 14.5px; line-height: 1.6; margin: 0 auto 24px; max-width: 420px; }
.welcome-hint { color: var(--txt-3); font-size: 12.5px; margin-top: 18px !important; }
.welcome-hint code { background: var(--panel-3); padding: 2px 7px; border-radius: 5px; font-family: var(--mono); font-size: 11.5px; color: var(--accent-2); }
.welcome-feat { display: flex; justify-content: center; gap: 14px; margin-top: 30px; }
.welcome-feat > div {
  flex: 1; max-width: 130px; background: var(--panel-2); border: 1px solid var(--line);
  border-radius: 12px; padding: 14px 10px; display: flex; flex-direction: column; gap: 3px;
}
.welcome-feat b { font-size: 15px; color: var(--accent-2); }
.welcome-feat span { font-size: 10.5px; color: var(--txt-3); font-family: var(--mono); }

/* ----- examples panel (welcome) ----- */
.examples-panel {
  margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--line);
  text-align: left;
}
.examples-head { display: flex; align-items: baseline; gap: 9px; margin-bottom: 13px; }
.examples-title { font-size: 12.5px; font-weight: 700; letter-spacing: .4px; color: var(--txt); }
.examples-sub { font-size: 11px; color: var(--txt-3); }
.examples-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.example-tile {
  display: flex; align-items: center; gap: 12px; text-align: left;
  padding: 12px 13px; cursor: pointer; transition: .15s ease;
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 12px;
  color: var(--txt); font-family: var(--sans);
}
.example-tile:hover {
  border-color: var(--ex); transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(0,0,0,.35), 0 0 0 1px var(--ex) inset;
  background: var(--panel-3);
}
.example-tile:active { transform: translateY(0); }
.example-tile:disabled { opacity: .55; cursor: progress; transform: none; }
.ex-ico {
  flex: 0 0 38px; width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center;
  color: var(--ex); background: color-mix(in srgb, var(--ex) 16%, transparent);
}
.ex-text { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.ex-text b { font-size: 13px; font-weight: 600; line-height: 1.1; }
.ex-text code {
  font-family: var(--mono); font-size: 10px; color: var(--txt-3);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.ex-go { flex: 0 0 auto; color: var(--txt-3); font-size: 22px; line-height: 1; transition: .15s; }
.example-tile:hover .ex-go { color: var(--ex); transform: translateX(3px); }
.example-tile.is-loading .ex-go {
  width: 16px; height: 16px; border: 2px solid var(--line-2); border-top-color: var(--ex);
  border-radius: 50%; animation: spin .7s linear infinite; font-size: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

.toast {
  position: fixed; bottom: 86px; left: 50%; transform: translateX(-50%);
  background: var(--panel-2); border: 1px solid var(--line-2); color: var(--txt);
  padding: 11px 18px; border-radius: 10px; font-size: 13px; box-shadow: var(--shadow);
  z-index: 60; animation: toastIn .2s ease;
}
.toast.is-err { border-color: var(--err); color: #ffd2d8; }
@keyframes toastIn { from { opacity: 0; transform: translate(-50%, 8px); } to { opacity: 1; transform: translate(-50%, 0); } }

/* scrollbars */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 999px; border: 2px solid var(--panel); }
::-webkit-scrollbar-thumb:hover { background: #3a4668; }

[hidden] { display: none !important; }

@media (max-width: 1100px) {
  .stage { grid-template-columns: 1fr; }
  .inspector { max-height: 320px; }
}