/* One control geometry at every viewport, with no surrounding panel frame. */
:root { --pad-size: clamp(132px, 19vw, 174px); --rotation-size: clamp(44px, 5vw, 46px); }
.game-column > .control-bar {
  position: absolute; z-index: 480; display: flex; flex-direction: column;
  inset: auto; width: max-content; min-height: 0; max-width: calc(100% - 16px);
  padding: 0; margin: 0; border: 0; border-radius: 0; background: transparent; box-shadow: none;
  transform: none; overflow: visible; flex: none; gap: 4px;
}
.game-column > .control-section { top: auto; right: auto; left: 10px; bottom: 94px; }
.game-column > #rotate-buttons-float { display: flex; grid-template-columns: none; top: auto; left: auto; right: 10px; bottom: 94px; min-width: 0; }
.game-column > #rotate-buttons-float .float-drag-handle { display: grid; place-items: center; justify-content: center; margin: 0; }
.control-bar-header { display: flex; align-items: center; gap: 4px; height: 26px; }
.game-column > .control-bar .float-drag-handle,
.game-column > .control-bar .control-collapse {
  display: grid; place-items: center; box-sizing: border-box; flex: 0 0 26px;
  width: 26px; height: 26px; min-height: 26px; margin: 0; padding: 0;
  border: 1px solid #a7ff2499; border-radius: 50%; color: #d0ff9b;
  background: rgb(167 255 36 / .2); font: 700 16px/1 system-ui, sans-serif;
  touch-action: none !important; user-select: none; cursor: grab;
}
.game-column > .control-bar .control-collapse { cursor: pointer; }
.float-drag-grip {
  display: block; width: 3px; height: 3px; border-radius: 50%; background: currentColor;
  box-shadow: 0 -5px currentColor, 0 5px currentColor;
}
.control-collapse svg { width: 26px; height: 26px; transform-origin: center; transition: transform 260ms ease-out; }
.game-column > .control-bar .control-bar-body { display: flex; flex-direction: column; gap: 5px; }
.game-column #controlTable {
  display: table; width: var(--pad-size); height: var(--pad-size); aspect-ratio: 1;
  table-layout: fixed; border-collapse: separate; border-spacing: 3px;
  margin: 0; padding: 0; border: 0 !important; background: transparent;
}
.game-column #controlTable td { width: 33.333%; height: 33.333%; padding: 0; border: 0; background: transparent; }
.game-column #controlTable .control-table-btn {
  display: flex; align-items: center; justify-content: center; position: static;
  width: 100% !important; height: 100% !important; min-height: 0; margin: 0; padding: 0;
  border-radius: 9px; border: 1px solid #39c6ed !important; color: #b6f2ff;
  background: rgb(34 180 255 / .2) !important; box-shadow: none; font-size: 19px;
  transform: none !important; touch-action: none !important;
}
.game-column > #rotate-buttons-float .game-rotate-btn {
  display: flex !important; position: static; align-items: center; justify-content: center;
  width: var(--rotation-size); height: var(--rotation-size); min-height: 0;
  margin: 0; padding: 4px; border: 1px solid #e38cff !important; border-radius: 50%;
  color: #f3c7ff; background: rgb(213 107 255 / .2) !important; box-shadow: none; transform: none !important;
}
#rotateXButton::after, #rotateYButton::after, #rotateZButton::after { font: 800 11px system-ui,sans-serif; margin-left: 1px; }
#rotateXButton::after { content: 'X'; } #rotateYButton::after { content: 'Y'; } #rotateZButton::after { content: 'Z'; }
#rotate-buttons-float svg { width: 22px; height: 22px; }
#rotate-buttons-float .control-collapse svg { width: 26px; height: 26px; }
.game-column #controlTable button.active-btn, .game-column #controlTable button:active { background: rgb(34 180 255 / .45) !important; }
.game-column #rotate-buttons-float .game-rotate-btn.active-btn { background: rgb(213 107 255 / .45) !important; }
.control-bar button:focus-visible, .rotate-control:focus-visible, .zoom-control:focus-visible { outline: 3px solid #a7ff24; outline-offset: 2px; }
.game-column > #rotate-buttons-float .control-bar-body { display: grid; grid-template-columns: repeat(2, var(--rotation-size)); gap: 5px; }
#rotateZButton, #DropPieceButton { grid-row: 1; }
#rotateYButton, #settingsButton { grid-row: 2; }
#rotateXButton, #rotation-controls > .pauseButton { grid-row: 3; }
#rotation-controls > [data-rotation-action] { grid-column: 1; }
#rotation-controls > [data-utility-action] { grid-column: 2; }
.game-column > #rotate-buttons-float .game-rotate-btn[hidden] { display: none !important; }
.game-column > #rotate-buttons-float.rotations-collapsed .control-bar-body { grid-template-columns: var(--rotation-size); }
#rotate-buttons-float.rotations-collapsed [data-utility-action] { grid-column: 1; }
@media (max-height: 480px) {
  :root { --rotation-size: 32px; --pad-size: 104px; }
  .control-bar-header { height: 22px; }
  .game-column > #rotate-buttons-float { gap: 2px; }
  .game-column > .control-bar :is(.float-drag-handle, .control-collapse) { width: 22px; height: 22px; min-height: 22px; flex-basis: 22px; }
}
.game-column > .rotate-control, .game-column > .zoom-control {
  position: absolute; display: flex; align-items: center; justify-content: center; box-sizing: border-box; width: 66px; height: 66px;
  bottom: 16px; border: 1px solid #e38cff; color: #f3c7ff;
  border-radius: 50%; background: rgb(213 107 255 / .2); z-index: 482; padding: 4px;
  touch-action: none !important;
}
.game-column > .rotate-control { left: auto; right: 10px; }
.game-column > .zoom-control { left: 10px; right: auto; }
.rotate-control svg, .zoom-control svg { max-width: 100%; max-height: 100%; }
@media (max-width: 1039px) {
  body.left-handed-mobile .game-column > .control-section { left: auto; right: 10px; bottom: 94px; }
  body.left-handed-mobile .game-column > #rotate-buttons-float { left: 10px; right: auto; top: auto; bottom: 94px; }
}
/* A fixed final column keeps help badges beside their setting even on narrow screens. */
#tutorial-music .audio-card, #tutorial-music .settings-category-card { padding: 12px; box-sizing: border-box; }
#tutorial-music .setting-row {
  display: grid; grid-template-columns: minmax(65px, .8fr) minmax(0, 1.2fr) 32px;
  align-items: center; width: 100%; gap: 8px; margin: 8px 0; padding: 0; box-sizing: border-box;
}
#tutorial-music .setting-row > label, #tutorial-music .setting-row > span { min-width: 0; margin: 0; font: 600 12px/1.4 Inter,Manrope,system-ui,sans-serif; }
#tutorial-music .setting-value { display: flex; align-items: center; flex-wrap: nowrap; gap: 6px; min-width: 0; }
#tutorial-music .setting-value > input[type=range] { flex: 1 1 0; min-width: 0; width: 100%; margin: 0; }
#tutorial-music .setting-value > :is(output,span) { font: 11px/1.4 system-ui,sans-serif; }
#tutorial-music .setting-value > label { display: inline-flex; align-items: center; gap: 4px; margin: 0; font-size: 12px; }
#tutorial-music .setting-value button { min-width: 0; max-width: 100%; margin: 0; padding: 5px; white-space: normal; font-size: 11px; }
#tutorial-music .setting-row > .tetrais-help-trigger {
  justify-self: end; width: 32px; height: 32px; min-width: 32px; min-height: 32px;
  padding: 0; margin: 0; box-sizing: border-box; font-size: 14px;
}
#tutorial-music .setting-value .music-select-wrapper { min-width: 0; width: 100%; }
#tutorial-music .music-playback-controls, #tutorial-music .fx-preset-controls {
  display: flex; align-items: center; gap: 5px; min-width: 0; width: 100%;
}
#tutorial-music .setting-value select { flex: 1 1 0; width: 0; min-width: 0; padding: 5px; font: 12px system-ui, sans-serif; }
#tutorial-music .music-playback-controls button, #tutorial-music .fx-preset-controls button {
  flex: 0 0 36px; min-height: 36px; width: 36px; padding: 0;
}
#tutorial-music #fxPreset { max-height: 68px; overflow-y: auto; }
#tutorial-music :is(#tutorialMusicButton, #fxSoundButton) {
  display: inline-grid; place-items: center; appearance: none; flex: 0 0 36px;
  width: 36px; height: 36px; min-height: 36px; padding: 0; margin: 0;
  border: 1px solid #5ac6cf; border-radius: 50%; background: #173747; color: #a9fff0;
  box-shadow: none; font-size: 14px; cursor: pointer;
}
#tutorial-music :is(#tutorialMusicButton, #fxSoundButton):hover { background: #245164; border-color: #a9fff0; }
#tutorial-music :is(#tutorialMusicButton, #fxSoundButton) i { color: inherit; -webkit-text-fill-color: currentColor; background: none; animation: none; }
#tutorial-music .setting-value > :is(output, span) { flex-shrink: 0; white-space: nowrap; }
#tutorial-music .setting-value > label { flex-shrink: 1; }
#tutorial-music .setting-row[data-setting="difficultySettings"] .setting-value { flex-wrap: wrap; }
#tutorial-music .audio-card-heading { display: block; }
#tutorial-music .audio-toggle:empty, #tutorial-music h4:empty { display: none; }
/* The playlist scrolls independently; labels wrap rather than widening the panel. */
#musicSettings { min-width: 0; }
#musicSettings .music-playback-controls { margin-bottom: 8px; }
#musicPlaylistLabel { flex: 1; font-weight: 600; font-size: 12px; }
#tutorial-music #musicNextButton { border: 1px solid #5ac6cf; border-radius: 50%; background: #173747; color: #a9fff0; }
#musicTrack { max-height: 104px; overflow-y: auto; overflow-x: hidden; overscroll-behavior: contain; scrollbar-gutter: stable; border: 1px solid #38e9ff50; border-radius: 8px; }
#musicTrack .music-track-row { display: grid; grid-template-columns: 20px minmax(0, 1fr) auto; align-items: center; gap: 8px; height: 52px; min-height: 52px; padding: 4px 8px; box-sizing: border-box; background: #07172b; border-bottom: 1px solid #38e9ff25; }
#musicTrack .music-track-row:last-child { border-bottom: 0; }
#musicTrack input[type=checkbox] { appearance: auto; width: 18px; height: 18px; margin: 0; accent-color: #b5ff45; cursor: pointer; }
#musicTrack label { display: flex; flex-direction: column; justify-content: center; min-height: 42px; min-width: 0; margin: 0; cursor: pointer; overflow-wrap: anywhere; color: #e4f8ff; font: 12px/1.4 Inter,Manrope,system-ui,sans-serif; }
#musicTrack small { color: #9cbacb; font-size: 10px; }
#musicTrack .music-now-playing { color: #b5ff45; font: 10px/1.4 system-ui,sans-serif; }
#musicTrack .music-now-playing[hidden] { display: none; }
#musicTrack .is-playing { box-shadow: inset 3px 0 #b5ff45; background: #102c3b; }
#musicTrack :focus-visible, #musicSettings button:focus-visible { outline: 2px solid #f380ee; outline-offset: 2px; }
#musicSettings button:disabled { opacity: .45; cursor: default; }
#musicStatus, #musicError { margin: 8px 0 0; color: #b4d4e0; font: 11px/1.5 system-ui,sans-serif; overflow-wrap: anywhere; }
#musicError { color: #ff9ce8; }
#musicError:empty { display: none; }
/* Shared cyan/lime/magenta on deep navy; values and game-state visibility remain owned by UIManager. */
#next-piece-preview, #statusBar, #scoreboard, #game-over, #game-paused,
.bonus-challenge, .bonus-reward, #campaign-stage-indicator, #message-box, #unlock-message {
  font-family: Inter,Manrope,system-ui,sans-serif; color: #e4f8ff;
  -webkit-text-fill-color: currentColor; text-shadow: 0 1px 4px #001422;
  background: rgb(4 21 43 / .76); border: 1px solid #38e9ff70; border-radius: 12px;
  box-shadow: none; background-clip: padding-box;
}
#statusBar { background: rgb(4 21 43 / .55); border: 0; pointer-events: none; }
#scoreboard { background: rgb(34 223 255 / .15); font-size: clamp(20px, 3vw, 30px); font-weight: 800; padding: 5px 10px; animation: none; }
#pieceCounterBar, #gridProgressBar, #gameSpeedBar, #highScoreBar {
  background: rgb(4 21 43 / .8); border: 1px solid #38e9ff80; border-radius: 6px; overflow: hidden;
  color: #edfbff; font: 700 11px/1.3 Inter,Manrope,system-ui,sans-serif;
}
#pieceCounterFill { background: rgb(34 223 255 / .3); }
#gridProgressFill { background: rgb(167 255 36 / .3); }
#gameSpeedFill { background: rgb(213 107 255 / .3); }
#highScoreFill { background: rgb(34 223 255 / .3); }
#next-piece-preview h3 { margin: 5px; color: #9af6ff; font: 700 12px system-ui,sans-serif; }
#game-over { border-color: #d56bff; background: rgb(20 12 43 / .88); }
.game-over-message, .game-paused-message { color: #edc3ff; -webkit-text-fill-color: currentColor; font: 800 clamp(22px,4vw,36px)/1.2 Inter,Manrope,system-ui,sans-serif; animation: none; background: none; }
.bonus-challenge { border-color: #a7ff2499; color: #deffb9; font-size: 13px; }
.bonus-reward { border-color: #d56bff99; color: #f0cdff; font-size: 14px; }
#campaign-stage-indicator { border-color: #a7ff2470; color: #d8ffbd; font-size: 12px; }
#next-piece-preview, .bonus-challenge, .bonus-reward, #campaign-stage-indicator { pointer-events: none; }
@media (prefers-reduced-motion: reduce) {
  .control-collapse svg, .rotate-control, .zoom-control { transition: none; }
  .game-column :is(.text-grad, .bonus-challenge, .bonus-reward) { animation: none; }
}