/* BMSDock UI 1.9.20 — Timeline Logic Regression Cleanup
   Geometry only. State and interaction remain in style.css / ui-controls.css. */

:root{
  /* Approved playback row geometry, expressed from the two end controls. */
  --playback-speed-left:max(14px,env(safe-area-inset-left));
  --playback-play-right:max(16px,env(safe-area-inset-right));
  --playback-speed-gap:22px;
  --playback-play-gap:20px;
}

.play,
.speed-btn{
  position:absolute;
  bottom:max(25px,env(safe-area-inset-bottom));
  width:var(--playback-control-size) !important;
  min-width:var(--playback-control-size) !important;
  max-width:var(--playback-control-size) !important;
  height:var(--playback-control-size) !important;
  min-height:var(--playback-control-size) !important;
  max-height:var(--playback-control-size) !important;
  border:0;
  border-radius:var(--playback-control-radius) !important;
  padding:0 !important;
  display:inline-flex !important;
  align-items:center !important;
  justify-content:center !important;
  box-sizing:border-box !important;
  backdrop-filter:blur(6px) !important;
}
.play{right:var(--playback-play-right);}
.speed-btn{left:var(--playback-speed-left);}
.playback-control-content{
  width:var(--playback-content-size) !important;
  min-width:var(--playback-content-size) !important;
  max-width:var(--playback-content-size) !important;
  height:var(--playback-content-size) !important;
  min-height:var(--playback-content-size) !important;
  max-height:var(--playback-content-size) !important;
  box-sizing:border-box !important;
  flex:0 0 var(--playback-content-size) !important;
}
.play-state-icon{
  display:block;
  margin:auto;
  object-fit:contain;
}

.timeline,
.timeline-visual-track{
  /* Neutral fallback only. Loaded data always comes from buildTimelineHeatmap(). */
  --timeline-bg:linear-gradient(90deg,#f3f3f3,#f3f3f3);
}
.timeline{
  position:absolute;
  left:calc(var(--playback-speed-left) + var(--playback-control-size) + var(--playback-speed-gap));
  right:calc(var(--playback-play-right) + var(--playback-control-size) + var(--playback-play-gap));
  bottom:calc(max(25px,env(safe-area-inset-bottom)) + 10px) !important;
  width:auto;
  height:34px !important;
  appearance:none;
  -webkit-appearance:none;
  padding:0 !important;
  background:transparent !important;
  background-clip:padding-box !important;
  border:0 !important;
  border-radius:0 !important;
  outline:none;
  overflow:visible !important;
}
.timeline::-webkit-slider-runnable-track{height:22px !important;background:transparent !important;border:0 !important;border-radius:999px !important;box-sizing:border-box !important;overflow:visible !important;}
.timeline::-moz-range-track{height:22px !important;background:transparent !important;border:0 !important;border-radius:999px !important;box-sizing:border-box !important;overflow:visible !important;}
.timeline::-webkit-slider-thumb{-webkit-appearance:none !important;appearance:none !important;width:34px !important;height:34px !important;border:0 !important;border-radius:50% !important;background:transparent !important;box-shadow:none !important;opacity:0 !important;margin-top:-6px !important;}
.timeline::-moz-range-thumb{width:34px !important;height:34px !important;border:0 !important;border-radius:50% !important;background:transparent !important;box-shadow:none !important;opacity:0 !important;}
/* UI 1.9.19 — Visible main track is browser-independent.
   Its center uses the same axis as the 34px range input and 32px marker:
   button bottom + 27px. Track height is 22px, so its bottom is +16px. */
.timeline-visual-track{
  position:absolute;
  left:calc(var(--playback-speed-left) + var(--playback-control-size) + var(--playback-speed-gap));
  right:calc(var(--playback-play-right) + var(--playback-control-size) + var(--playback-play-gap));
  bottom:calc(max(25px,env(safe-area-inset-bottom)) + 16px);
  width:auto;
  height:22px;
  background:var(--timeline-bg);
  border:2px solid #111;
  border-radius:999px;
  box-sizing:border-box;
  overflow:hidden;
  pointer-events:none;
  z-index:529;
}
.timeline.no-data + .timeline-visual-track{
  opacity:0;
}

.timeline-thumb-overlay{position:absolute !important;width:32px !important;height:32px !important;border-radius:50% !important;border:5px solid #fff !important;background:#15e94f !important;box-shadow:0 2px 8px rgba(0,0,0,.55) !important;transform:translate(0,-50%) !important;box-sizing:border-box !important;}

.timeline-placeholder{position:absolute;left:92px;right:96px;bottom:22px;width:calc(100% - 188px);height:22px;border:2px solid #111;border-radius:2px;background:rgba(255,255,255,.92);color:#111;font-size:13px;font-weight:900;text-align:center;line-height:18px;}

@media (max-width:520px){
  :root{--playback-speed-gap:16px;--playback-play-gap:16px;}
  .timeline-placeholder{left:84px;right:86px;width:calc(100% - 170px);}
}

/* UI 1.9.19 — Unified 28×28 playback content.
   The box is constant; only label typography adapts inside it. */
.playback-speed-value{
  display:inline-flex !important;
  align-items:center !important;
  justify-content:center !important;
  overflow:hidden;
  white-space:nowrap;
  font-size:20px !important;
  font-weight:800 !important;
  line-height:1 !important;
  letter-spacing:0;
  font-variant-numeric:tabular-nums;
}
.playback-speed-value.is-wide{
  font-size:17px !important;
  letter-spacing:-.25px;
}
.playback-speed-value.is-park{
  font-size:28px !important;
  letter-spacing:0;
}

/* bmsdock v11 — unified mobile-landscape playback row.
   Browser chrome may move the row vertically, but Speed → Timeline → Play
   keep one shared geometry. Timeline edges are derived from the controls, so
   neither the colored track nor its visual thumb can enter the Play slot. */
@media (max-height:520px) and (orientation:landscape){
  :root{
    --playback-landscape-browser-guard:var(--ui-visual-viewport-bottom,0px);
  }
  :root.playback-speed-detour{
    /* The left toolbar owns its lane. Move Speed beside it only while the
       raised playback row intersects the toolbar vertically. */
    --playback-speed-left:calc(max(14px,env(safe-area-inset-left)) + var(--top-control-size) + var(--top-control-gap) + 10px);
  }
  .play,
  .speed-btn{
    bottom:calc(max(25px,env(safe-area-inset-bottom)) + var(--playback-landscape-browser-guard)) !important;
  }
  .timeline{
    bottom:calc(max(25px,env(safe-area-inset-bottom)) + var(--playback-landscape-browser-guard) + 10px) !important;
  }
  .timeline-visual-track{
    bottom:calc(max(25px,env(safe-area-inset-bottom)) + var(--playback-landscape-browser-guard) + 16px) !important;
  }
}

@supports (height:100lvh) and (height:100dvh){
  @media (max-height:520px) and (orientation:landscape){
    :root{
      --playback-landscape-browser-guard:max(
        0px,
        var(--ui-visual-viewport-bottom,0px),
        calc(100lvh - 100dvh)
      );
    }
  }
}