html {
    width:100%; height:100%; height: -webkit-fill-available; font-size: 14px;
  }

  /* Color themes */
  :root, .theme-dark {
    --colorBody: #88ccff;
    --colorBackground: #202020;
    --colorPanel: rgba(32,32,32,0.98);
    --colorBorderPassive: rgba(136,204,255,0.6);
    --colorBorderActive: #88ccff;
    --colorUserText: #88ccff;
    --colorSystemText: #cc77ff;
    --colorToolbarPassive: rgba(136,204,255,0.6);
    --colorToolbarPassive2: rgba(136,204,255,0.3);
    --colorToolbarActive: #88ccff;
    --widthLabel: 5rem;
    --colorGlow: #88ccff;
  }
  .theme-light {
    --colorBody: #505050;
    --colorBackground: #f0f0f0;
    --colorPanel: rgba(224,224,224,0.98);
    --colorBorderPassive: #d0d0d0;
    --colorBorderActive: #d0d0d0;
    --colorUserText: #404444;
    --colorSystemText: #678fb9;
    --colorToolbarPassive: rgba(80,80,80,0.75);
    --colorToolbarPassive2: rgba(80,80,80,0.5);
    --colorToolbarActive: #606666;
    --widthLabel: 5rem;
  }

  body {
    width: 100%; height: 100%; min-height: 100vh;
    min-height: -webkit-fill-available; margin: 0; padding: 0;
    background-color: var(--colorBackground); color: var(--colorBody);
    overflow: hidden; text-align: left; touch-action: manipulation;
    font-family: "SansRegular", sans-serif; font-size: 1.4rem;
    line-height: 1.4rem; scrollbar-color: var(--colorToolbarPassive) transparent;
    scrollbar-width: 20px; scrollbar-height: 20px;
  }

  ::-webkit-scrollbar { width: 20px; height: 20px; }
  ::-webkit-scrollbar-track {
    background: linear-gradient(
      to right, transparent,
      transparent 9px,
      var(--colorToolbarPassive) 9px,
      var(--colorToolbarPassive) 11px,
      transparent 11px
    );
  }
  ::-webkit-scrollbar-thumb {
    background-color: var(--colorPanel); border-radius: 10px;
    border: 2px solid var(--colorToolbarPassive);
  }

  input[type="range"] {
    position: relative; width: 180px; height: 0.8rem; line-height: 2rem;
    -webkit-appearance: none; appearance: none; margin-top: 0.6rem;
    cursor: pointer; pointer-events: auto;
    background: repeating-linear-gradient(
      to right, var(--colorToolbarPassive),
      var(--colorToolbarPassive) 2px,
      transparent 2px,
      transparent 44.5px
    );
  }
  input[type="range"]::-webkit-slider-runnable-track {
    background: var(--colorToolbarPassive); height: 2px;
  }
  input[type="range"]::-moz-range-track {
    background: var(--colorToolbarPassive); height: 2px;
  }
  input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none; appearance: none;
    background: var(--colorToolbarActive);
    margin-top: -0.6rem; height: 1.4rem; width: 0.8rem; border-radius: 0.1rem;
  }
  input[type="range"]::-moz-range-thumb {
    border: none; background-color: var(--colorToolbarActive); height: 1.2rem;
    width: 0.8rem; border-radius: 0.1rem;
  }
  input[type="range"]:focus { outline: none; }
  input[type="range"]:focus::-webkit-slider-thumb { outline: none; }
  input[type="range"]:focus::-moz-range-thumb { outline: none; }

  input[type="text"] {
    flex: 1; background-color: transparent; color: var(--colorUserText);
    border: 0; outline: none; line-height: 2rem; font-family: "SansRegular";
    font-size: 1.4rem; cursor: pointer; pointer-events: auto; margin: 0;
    padding: 0 6px;
  }
  input[type="text"]::placeholder {
    color: var(--colorUserText); opacity: 0.3;
  }
  input[type="color"] { background: none; border: 0; }

  /* Pages */
  .pages {
    position: absolute; top: 18px; left: 30px; right: 30px; bottom: 18px;
    display: flex; flex-direction: column; row-gap: 6px;
  }
  .row { display: flex; row-gap: 0; column-gap: 8px; }
  .column { flex: 1; display: flex; flex-direction: column; row-gap: 2px; }
  .page {
    flex-grow: 1; display: flex; flex-direction: column;
    overflow-y: auto; overflow-x: hidden; min-height: 0; margin: 8px 0 8px 0;
    padding-right: 16px;
  }
  .rowWrap {
    display: flex; row-gap: 2px; column-gap: 8px; flex-wrap: wrap;
  }
  .vspace {
    flex-shrink: 0; height: 1rem;
  }
  .vbar {
    height: 1px; background-color: var(--colorToolbarPassive2);
    flex-shrink: 0; margin: 1rem 0 1rem 0;
  }
  .fill, .filler {
    flex-shrink: 0; flex-grow: 1; flex-basis: 0; min-width: 0;
  }
  .filler { visibility: hidden; pointer-events: none; }
  .command, .text {
    display: inline-flex; height: calc( 2rem + 2px); font-size: 1.4rem;
    line-height: calc( 2rem + 2px); padding: 0 6px; gap: 12px;
    vertical-align: middle; text-align: left; font-family: "SansRegularCondensed";
    color: var(--colorToolbarPassive); white-space: nowrap; overflow: hidden;
  }
  .command, .text {
    font-family: "SansRegularCondensed"; color: var(--colorToolbarPassive);
  }
  .command { cursor: pointer; pointer-events: auto; }
  .command > svg, .text > svg {
    height: 2rem; width: 2rem; padding: 1px 0;
    min-height: 2rem; min-width: 2rem;
  }
  .label {
    width: var(--widthLabel); flex-shrink: 0; color: var(--colorToolbarPassive2);
  }
  .border {
    position: absolute; top: 0; left: 0; bottom: 0; right: 0;
    background: transparent; border-width: 3px; border-style: solid;
    border-color: var(--colorBorderActive); pointer-events: none;
    border-radius: inherit;
  }
  .glow { box-shadow: 0 0 25px 5px var(--colorGlow); }
  .theme-light .glow { box-shadow: none; }

  /* Main */
  #main {
    position: absolute; top: 50%; left: 50%;
    transform: translate(-50%,-50%); background-color: transparent;
  }

  /* Left panel */
  #left {
    position: absolute; margin: 4px; pointer-events: none;
    background-color: var(--colorPanel);
  }
  #avatar, #view {
    position: absolute; opacity: 0; top: 0; left: 0; right: 0;
    bottom: 0; pointer-events: auto; overflow: hidden;
    border-radius: inherit;
  }
  #view {
    background-image: none; background-repeat:no-repeat;
    background-position: center center; background-size: cover;
  }
  #video {
    position: absolute; height: 100%; width: 100%;
    object-position: center center; object-fit: cover;
  }

  /* Loading */
  #loading {
    display: block; position: absolute; top: 6px; left: 6px; width: 300px;
    height: 30px; pointer-events: none; font-size: 1rem;
    background-color: transparent;
  }
  #loading-back, #loading-top {
    display: block; position: absolute; top: 10px; left: 20px; bottom: 10px;
    width: 95px;
  }
  #loading-back {
    background: repeating-linear-gradient(
      to right, var(--colorToolbarPassive2),
      var(--colorToolbarPassive) 5px,
      transparent 5px,
      transparent 10px
    );
  }
  #loading-top {
    clip-path: inset(0 100% 0 0);
    background: repeating-linear-gradient(
      to right, var(--colorBody),
      var(--colorBody) 5px,
      transparent 5px,
      transparent 10px
    );
  }
  #loading-value {
    display: block; position: absolute; top: 0; left: 125px; bottom: 0;
    right: 0; line-height: 30px; text-align: left; font-size: 1.4rem;
    font-family: "SansRegularCondensed";
  }


  /* Right panel */
  #right {
    position: absolute; margin: 4px;
    background-color: var(--colorPanel);
  }
  #right .border { border-color: var(--colorBorderPassive); }
  .session { display: none; width: 100%; }
  .session.selected { display: block; }
  .message {
    position: relative; display: block; width: 100%; min-height: 2rem;
  }
  .message * {
    text-align:left; font-size: 1.4rem; line-height: 2rem;
  }
  .message > * {
    display: block; padding: 0 calc(6rem + 8px) 0 calc(4rem + 4px);
    color: var(--colorSystemText);  z-index: 10;
  }
  .message ul, .message ol { margin: 0 0 0 2rem; }
  .message.user > * { color: var(--colorUserText); }
  .message > .toolbar-left {
    position: absolute; left:0; bottom:0; padding: 0;
    display: flex; row-gap: 0; column-gap: 4px;
  }
  .message > .toolbar-right {
    position: absolute; right: 0; bottom:0; padding: 0;
    display: flex; row-gap: 0; column-gap: 4px;
  }
  code { font-family: monospace; font-size: 1rem; }
  #directory div:first-child div[data-entry-move="up"] { visibility: hidden; }
  #directory div:last-child div[data-entry-move="down"] { visibility: hidden; }
  .apikey, #right textarea {
    flex: 1; min-height: 2rem; margin: auto; background: transparent;
    border: 0; font-family: "SansRegular"; font-size: 1.4rem; padding: 0 6px;
    line-height: 2rem; resize: none; outline: none; color: var(--colorUserText);
    pointer-events: auto;
  }
  .apikey { -webkit-text-security: square; }
  /* Endpoint URLs, profile names, and custom WebSocket URLs are not
     secrets — they should stay readable in the Audio pane. */
  input#voicebox-endpoint-url,
  input#voicebox-profile-name,
  input#headtts-endpoint-url {
    -webkit-text-security: none;
    text-security: none;
  }
  #right textarea[data-item="ai-openai-ai1"], #right textarea[data-item="ai-openai-ai2"],
  #right textarea[data-item="ai-gemini-ai1"], #right textarea[data-item="ai-gemini-ai2"] {
    color: var(--colorSystemText);
  }
  .apikey::placeholder, #right textarea::placeholder { color: inherit; opacity: 0.3; }
  .emoji { cursor: pointer; pointer-events: auto; }
  #morphs .label { width: calc( 2.5 * var(--widthLabel) ); }
  #right-sessions { scrollbar-gutter: stable; }

  /* Bottom panel */
  #bottom {
    position: absolute; margin: 4px; padding: 25px 25px 60px 25px;
    background-color: var(--colorPanel);
  }
  #bottom .border { border-color: var(--colorBorderPassive); }
  #bottom textarea {
    flex: 1; min-height: 2rem; margin: 0; background: transparent;
    border: 0; font-family: "SansRegular"; font-size: 1.4rem;
    line-height: 2rem; resize: none; outline: none; color: var(--colorUserText);
    pointer-events: auto; box-sizing: border-box;
  }
  #bottom textarea::placeholder { color: var(--colorUserText); opacity: 0.3; }
  #flag, #score, #scripttag, #scriptstatus { color: var(--colorToolbarPassive2); }

  [data-image-type^='video/']:before {
    content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' version='1.1' width='16' height='16' viewBox='-10 -10 58 58'%3E%3Cpath fill-rule='evenodd' clip-rule='evenodd' d='M43,42H5c-2.209,0-4-1.791-4-4V10c0-2.209,1.791-4,4-4h38c2.209,0,4,1.791,4,4v28 C47,40.209,45.209,42,43,42z M12,8H5c-1.104,0-2,0.896-2,2v2h9V8z M23,8h-9v4h9V8z M34,8h-9v4h9V8z M45,10c0-1.104-0.896-2-2-2h-7v4 h9l0,0V10z M45,14L45,14H3v20h42l0,0V14z M45,36L45,36h-9v4h-2v-4h-9v4h-2v-4h-9v4h-2v-4H3v2c0,1.104,0.896,2,2,2h38 c1.104,0,2-0.896,2-2V36z M21.621,29.765C21.449,29.904,21.238,30,21,30c-0.553,0-1-0.447-1-1V19c0-0.552,0.447-1,1-1 c0.213,0,0.4,0.082,0.563,0.196l7.771,4.872C29.72,23.205,30,23.566,30,24c0,0.325-0.165,0.601-0.405,0.783L21.621,29.765z' fill='gray'%3E%3C/path%3E%3C/svg%3E");
    margin-right: 4px;
  }

  /* Misc */
  .text.selected, .command.selected, .screen:active, .command:active,
  .range:active , .emoji.selected, .emoji:active {
    color: var(--colorToolbarActive); filter: drop-shadow(0 0 8px var(--colorGlow));
  }
  .theme-light .text.selected, .theme-light .command.selected,
  .theme-light .screen:active, .theme-light .command:active,
  .theme-light .range:active, .theme-light .emoji.selected,
  .theme-light .emoji:active {
    background-color: var(--colorToolbarActive); color: var(--colorPanel);
    filter: none; border-radius: 6px;
  }
  .grayed { opacity: 0.3; }
  .noselect {
    -webkit-touch-callout: none; -webkit-user-select: none;
    -khtml-user-select: none; -moz-user-select: none; -ms-user-select: none;
    user-select: none; -webkit-user-select: none;
  }
  .nodrag {
    -webkit-user-drag: none; -khtml-user-drag: none; -moz-user-drag: none;
    -o-user-drag: none; -ms-user-drag: none; user-drag: none;
  }
  .disabled { opacity: 0.5; cursor: default; pointer-events: none; }
  .hidden { display: none; }
  .starttransparent { opacity: 0; }

  /* blinking */
  @-webkit-keyframes blinking { to { visibility: hidden } }
  @keyframes blinking { to { visibility: hidden } }
  .blink>:not(div):not(ol):not(ul):not(pre):last-child:after,
  .blink>ol:last-child li:last-child:after,.blink>pre:last-child code:after,
  .blink>ul:last-child li:last-child:after {
    -webkit-animation: blinking 1s steps(5,start) infinite;
    animation: blinking 1s steps(5,start) infinite; content: "▋";
    position: absolute; margin: 0 0 0 .25rem; padding:0; vertical-align: baseline;
    white-space: nowrap; width: 0; overflow: visible;
  }


  /* Fonts */
  @font-face {
    font-family:"SansRegular";
    src: url("../fonts/FiraSansCondensed-Regular.ttf") format('truetype');
  }
  @font-face {
    font-family:"SansItalic";
    src: url("../fonts/FiraSansCondensed-Italic.ttf") format('truetype');
  }
  @font-face {
    font-family:"SansBold";
    src: url("../fonts/FiraSansCondensed-Bold.ttf") format('truetype');
  }
  @font-face {
    font-family:"SansBoldItalic";
    src: url("../fonts/FiraSansCondensed-BoldItalic.ttf") format('truetype');
  }
  @font-face {
    font-family:"SansRegularCondensed";
    src: url("../fonts/FiraSansExtraCondensed-Regular.ttf") format('truetype');
  }
  @font-face {
    font-family:"SansBoldCondensed";
    src: url("../fonts/FiraSansExtraCondensed-Bold.ttf") format('truetype');
  }

  /* Layouts */
  #main.ratio-wide { width: min(96vw, 192vh, 1400px); height: min(48vw,96vh,700px); } /* 1:2 */
  #main.ratio-normal { width: min(96vw, 128vh, 1040px); height: min(72vw,96vh,780px); } /* 3:4 */
  #main.layout-full { width: 100%; height: 100%; }
  #main.layout-land #left { top: 0; left: 0; bottom: 38%; right: 50%; }
  #main.layout-port #left { top: 0; left: 0; bottom: 0; right: 60%; }
  #main.layout-full #left { top: 0; left: 0; bottom: 0; right: 0; margin: 0; }
  #main.layout-full #left .border { display: none; }
  #main.layout-land #right { top: 0; left: 50%; bottom: 0; right: 0; }
  #main.layout-port #right { top: 0; left: 40%; bottom: 30%; right: 0; }
  #main.layout-full #right { top: 10%; left: 45%; bottom: 30%; right: 5%; max-width: 800px; }
  #main.layout-land #bottom { top: 62%; left: 0; bottom: 0; right: 50%; }
  #main.layout-port #bottom { top: 70%; left: 40%; bottom: 0; right: 0; }
  #main.layout-full #bottom { top: 70%; left: 45%; bottom: 10%; right: 5%; max-width: 750px; }
  #main.presence-vr #left { box-shadow: none; background-color: transparent; }
  #main.presence-vr #view { display: none; }
  #main.presence-vr #left .border { display: none; }
  #main.presence-vr #avatar { bottom: -8px; left: -400px; right: -400px; }
  #main.layout-full #avatar { top: 0; left: 0; bottom: 0; right: 45%; }

  @media (max-width: 1000px) {
    #main.ratio-wide, #main.ratio-normal { width: 96vw; height: 90vh; }
    #main.layout-full { width: 100%; height: 100%; }
    #main.layout-land #left { top: 0; left: 0; bottom: 62%; right: 0; }
    #main.layout-port #left { top: 0; left: 0; bottom: 24%; right: 62%; }
    #main.layout-land #right { top: 38%; left: 0; bottom: 24%; right: 0; }
    #main.layout-port #right { top: 0; left: 38%; bottom: 24%; right: 0; }
    #main.layout-full #right { top: 0; left: 38%; bottom: 24%; right: 0; max-width: none; }
    #main.layout-land #bottom { top: 76%; left: 0; bottom: 0; right: 0; }
    #main.layout-port #bottom { top: 76%; left: 0; bottom: 0; right: 0; }
    #main.layout-full #bottom { top: 76%; left: 38%; bottom: 0; right: 0; max-width: none; }
  }

  /* Build tag — shows which TalkingHead commit was checked out at build
     time and whether the dev profile successfully bind-mounted a writable
     source tree (so local edits to ~/docker/TalkingHead-docker/../TalkingHead
     are reflected live). Helps distinguish "stale browser cache" from
     "build not refreshed".  */
  #build-tag {
    position: fixed; left: 96px; bottom: 6px; z-index: 9999;
    font-family: monospace; font-size: 11px; line-height: 11px;
    color: var(--colorToolbarPassive2); pointer-events: none;
    padding: 2px 6px; background-color: rgba(0,0,0,0.4);
    border-radius: 4px;
  }
  #build-tag.warn { color: #ffaa44; }