:root {
  --fc-paper: #FBF5E4;
  --fc-card: #FFFDF6;
  --fc-ink: #17150F;
  --fc-inkSoft: #4A4438;
  --fc-green: #1B6B3A;
  --fc-gold: #8A5A00;
  --fc-red: #A8321E;
  --fc-blue: #1D4E89;
  --fc-wood: #E9D3A8;
  --fc-woodLit: #F7EBD2;
  --fc-woodShade: #C4A874;
  --fc-paperDim: rgba(246, 241, 230, 0.78);
  --fc-paperWash: rgba(246, 241, 230, 0.14);
  --fc-font: Verdana, "DejaVu Sans", Tahoma, "Segoe UI", system-ui, sans-serif;

}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--fc-paper);
  color: var(--fc-ink);
  font-family: var(--fc-font);
  font-size: 18px;
}
body { display: flex; flex-direction: column; }

.studio-bar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 12px;
  height: 52px;
  background: var(--fc-ink);
  color: var(--fc-paper);
}
.studio-home {
  display: flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
  min-width: 0;
  font-family: Georgia, 'Times New Roman', serif;
  font-weight: 700;
  font-size: 19px;
}
.studio-home img { display: block; flex: 0 0 auto; }
.studio-home span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.studio-back {
  margin-left: auto;
  flex: 0 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--fc-paperDim);
  text-decoration: none;
  font-size: 17px;
  padding: 10px 6px;
  white-space: nowrap;
}
.studio-back:hover, .studio-back:focus-visible { color: var(--fc-paper); text-decoration: underline; }
.studio-home:focus-visible, .studio-back:focus-visible { outline: 3px solid var(--fc-blue); outline-offset: 2px; }
.studio-music {
  margin-left: 2px;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 44px;
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--fc-paper);
  cursor: pointer;
}
.studio-music:hover { background: var(--fc-paperWash); }
.studio-music:focus-visible { outline: 4px solid var(--fc-blue); outline-offset: 2px; }
.studio-music .mg-slash { display: none; }
.studio-music[aria-pressed="false"] .mg-slash { display: block; }
.studio-music[aria-pressed="false"] .mg-note { opacity: 0.45; }
.studio-music[aria-pressed="false"] { color: var(--fc-paperDim); }

.studio-track { flex: 0 0 auto; height: 36px; padding: 0 10px; border: 1px solid var(--fc-paperDim);
  border-radius: 18px; background: transparent; color: var(--fc-paper); font: inherit; font-size: 14px;
  white-space: nowrap; cursor: pointer; }
.studio-track:hover { background: var(--fc-paperWash); }
.studio-track:focus-visible { outline: 4px solid var(--fc-blue); outline-offset: 2px; }
@media (max-width: 400px) { .studio-track { padding: 0 6px; font-size: 12px; } }
@media (max-width: 560px) {
  .studio-bar { height: 44px; gap: 8px; }
  .studio-home img { width: 30px; height: 30px; }
  .studio-home span { width: 0; overflow: hidden; }
}

.gm {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 12px 16px 24px;
}
.gm h1 { margin: 2px 0 0; font-size: 22px; font-family: Georgia, 'Times New Roman', serif; text-align: center; }

.gm-row { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 6px; }
.gm-row[hidden] { display: none; }
.gm-label { font-size: 15px; color: var(--fc-inkSoft); margin-right: 2px; }
.gm-btn {
  min-height: 44px;
  padding: 8px 14px;
  border: 3px solid var(--fc-ink);
  border-radius: 8px;
  background: var(--fc-card);
  color: var(--fc-ink);
  font: inherit;
  font-size: 16px;
  cursor: pointer;
}
.gm-btn[aria-pressed="true"] { background: var(--fc-ink); color: var(--fc-paper); }
.gm-btn:focus-visible, .gm-select:focus-visible, .gm-input:focus-visible { outline: 4px solid var(--fc-blue); outline-offset: 2px; }
.gm-btn:disabled { opacity: 0.45; cursor: default; }
.gm-select, .gm-input {
  min-height: 44px;
  max-width: 100%;
  padding: 6px 10px;
  border: 3px solid var(--fc-ink);
  border-radius: 8px;
  background: var(--fc-card);
  color: var(--fc-ink);
  font: inherit;
  font-size: 16px;
}
.gm-input { width: 9.5em; text-transform: uppercase; letter-spacing: 0.08em; }

.gm-room {
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  padding: 16px; border: 3px dashed var(--fc-woodShade); border-radius: 12px; background: var(--fc-card);
}
.gm-room[hidden] { display: none; }


#room-live { gap: 12px; }
.gm-watchers {
  font-size: 14px; font-weight: 700; color: var(--fc-inkSoft);
  padding: 4px 12px; border-radius: 999px; background: var(--fc-paper); border: 2px solid var(--fc-woodShade);
}
.gm-watchers[hidden] { display: none; }
.gm-code { font-size: 26px; font-weight: 700; letter-spacing: 0.12em; font-family: "Courier New", monospace; }

.gm-status { min-height: 1.4em; margin: 0; font-weight: 700; font-size: 20px; text-align: center; }
.gm-status .gm-dot {
  display: inline-block; width: 0.8em; height: 0.8em; border-radius: 50%;
  margin-right: 0.35em; vertical-align: -0.05em; border: 2px solid var(--fc-ink);
}
.gm-dot.black { background: #17150F; }
.gm-dot.white { background: #FFFDF6; }





.gm-board-wrap { width: calc(min(100vw - 32px, 640px) * var(--gm-fit, 1)); }
@media (max-width: 899px), (max-height: 700px) {
  
  .gm-status { font-size: 17px; min-height: 2.6em; display: flex; align-items: center; justify-content: center; }
  .gm-help { font-size: 14px; }
}

@media (orientation: landscape) and (max-height: 520px) {
  html[data-scene] main.gm, main.gm {
    display: grid; grid-template-columns: auto minmax(0, 1fr); grid-template-rows: auto auto auto 1fr;
    align-items: start; justify-items: center; column-gap: 16px; row-gap: 12px;
  }
  .gm > .gm-board-wrap { grid-column: 1; grid-row: 1 / span 4; }
  .gm > .mg-setup { grid-column: 2; grid-row: 1; }
  .gm > .gm-status { grid-column: 2; grid-row: 2; }
  .gm > .gm-foot { grid-column: 2; grid-row: 3; }
  .gm > .gm-room, .gm > .mg-again { grid-column: 2; }
  .gm > .gm-help { grid-column: 2; grid-row: 4; }
  .gm-board-wrap { width: calc(min(100vw - 32px, 640px, 100vh - 92px) * var(--gm-fit, 1)); }
}
.gm-board { display: block; width: 100%; height: auto; touch-action: manipulation; cursor: pointer; border-radius: 10px; }
.gm-board:focus { outline: none; }
.gm-board:focus-visible { outline: 4px solid var(--fc-blue); outline-offset: 3px; }
.gm-board .wood { fill: var(--fc-wood); }
.gm-board .grid { stroke: #5B4220; stroke-width: 0.045; }
.gm-board .edge { stroke: #3E2C14; stroke-width: 0.08; fill: none; }
.gm-board .star { fill: #3E2C14; }
.gm-board .label { font-size: 0.42px; fill: #5B4220; font-family: var(--fc-font); text-anchor: middle; dominant-baseline: central; }
.gm-board .stone-black { fill: url(#gm-black); }
.gm-board .stone-white { fill: url(#gm-white); stroke: #8C7A5C; stroke-width: 0.03; }
.gm-board .ghost { opacity: 0.4; pointer-events: none; }



.gm-board .stone-echo { opacity: 0.6; }
.gm-board .last { fill: #C23B22; }
.gm-board .win { fill: none; stroke: #C23B22; stroke-width: 0.09; }
.gm-board .cursor { fill: none; stroke: var(--fc-blue); stroke-width: 0.08; }
.gm-board .pending { fill: none; stroke: #C23B22; stroke-width: 0.07; stroke-dasharray: 0.12 0.08; }





html[data-scene] .gm-board-wrap {
  padding: 8px;
  border-radius: 16px;
  background: rgba(23, 21, 15, 0.5);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}
html[data-scene] .gm-board { background: var(--fc-wood) center / 50% repeat; }
html[data-scene] .gm-board .wood { fill: transparent; }


html[data-scene="easy"] .gm-board { background-image: linear-gradient(rgba(250, 240, 220, 0.25), rgba(250, 240, 220, 0.25)), url(../assets/levels/wood-easy.webp); }
html[data-scene="medium"] .gm-board { background-image: linear-gradient(rgba(250, 240, 220, 0.5), rgba(250, 240, 220, 0.5)), url(../assets/levels/wood-medium.webp); }
html[data-scene="hard"] .gm-board { background-image: linear-gradient(rgba(214, 196, 160, 0.6), rgba(214, 196, 160, 0.6)), url(../assets/levels/wood-hard.webp); }

.gm-foot { display: flex; align-items: center; justify-content: center; gap: 8px; flex-wrap: wrap; }
.gm-help { max-width: 38em; margin: 0; font-size: 15px; color: var(--fc-inkSoft); text-align: center; }

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
noscript p { max-width: 32em; margin: 24px auto; padding: 0 16px; }