/* Glow Pegs — No. 096
 * A dark room, a black board, and light you punch into it. Self-contained. */

:root {
  --bg: #07070b;
  --ink: #eef0f6;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior: none;
}

#canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
  cursor: crosshair;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

/* ------------------------------------------------------------------ frame */

.frame { position: fixed; inset: 0; pointer-events: none; z-index: 6; }
.frame__corner {
  position: absolute;
  font-family: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10px;
  letter-spacing: 0.19em;
  text-transform: uppercase;
  color: rgba(238, 240, 246, 0.28);
}
.frame__corner--tl { top: max(14px, env(safe-area-inset-top)); left: max(16px, env(safe-area-inset-left)); }
.frame__corner--tr { top: max(14px, env(safe-area-inset-top)); right: max(16px, env(safe-area-inset-right)); }
/* the peg tray owns the bottom edge, so the back-link tucks under the number */
.frame__corner--bl { top: calc(max(14px, env(safe-area-inset-top)) + 19px); left: max(16px, env(safe-area-inset-left)); pointer-events: auto; }
.frame__corner--bl a { color: inherit; text-decoration: none; transition: color 0.18s ease; }
.frame__corner--bl a:hover { color: #ffe14d; }
.frame__corner--bl a:focus-visible { outline: 2px solid #ffe14d; outline-offset: 3px; }

.hint {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  top: max(14px, env(safe-area-inset-top));
  margin: 0;
  font-family: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(238, 240, 246, 0.26);
  pointer-events: none;
  z-index: 6;
  text-align: center;
  white-space: nowrap;
  transition: opacity 0.5s ease;
}
.hint.is-gone { opacity: 0; }

/* ------------------------------------------------------------------- tray */

.tray {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: max(10px, env(safe-area-inset-bottom));
  z-index: 8;
  width: min(620px, calc(100% - 20px));
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 9px;
  align-items: center;
  background: rgba(16, 16, 24, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.6);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.swatches { display: flex; gap: 9px; flex-wrap: wrap; justify-content: center; }

.sw {
  width: 30px;
  height: 30px;
  padding: 0;
  border: 2px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  cursor: pointer;
  background: currentColor;
  box-shadow: 0 0 12px 1px currentColor, inset 0 -3px 6px rgba(0, 0, 0, 0.35);
  transition: transform 0.14s ease, border-color 0.14s ease;
}
.sw:hover { transform: translateY(-2px) scale(1.06); }
.sw[aria-checked="true"] { border-color: #fff; transform: translateY(-3px) scale(1.12); }
.sw:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }

.sw--eraser {
  color: #2a2a34;
  background: repeating-linear-gradient(45deg, #33333f 0 5px, #1e1e26 5px 10px);
  box-shadow: inset 0 -3px 6px rgba(0, 0, 0, 0.4);
}

.tools { display: flex; gap: 7px; flex-wrap: wrap; justify-content: center; }

.tool {
  min-height: 32px;
  padding: 7px 13px;
  font-family: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: rgba(238, 240, 246, 0.82);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 9px;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.tool:hover { background: rgba(255, 255, 255, 0.13); color: #fff; border-color: rgba(255, 255, 255, 0.3); }
.tool:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }
.tool--icon { min-width: 34px; padding: 7px 9px; font-size: 12px; letter-spacing: 0; }
.tool--icon[aria-pressed="false"] { color: rgba(238, 240, 246, 0.3); }

/* -------------------------------------------------- shared-badge docking
 * The tray owns the bottom and the board owns the middle, so the badges go
 * top-right where only the (short) frame label sits. */
.opt-tipjar.opt-tipjar { top: calc(max(52px, env(safe-area-inset-top) + 52px)); bottom: auto; transform: none; }
.opt-fs.opt-fs { top: calc(max(106px, env(safe-area-inset-top) + 106px)); bottom: auto; transform: none; }
.opt-tipjar.opt-tipjar.tj-nudge { animation: none; }

/* ------------------------------------------------------------- responsive */

@media (max-width: 560px) {
  .sw { width: 27px; height: 27px; }
  .tray { gap: 8px; padding: 9px 10px; }
  .tool { padding: 6px 10px; font-size: 9px; }
}

@media (prefers-reduced-motion: reduce) {
  .sw, .tool, .hint { transition: none; }
}