:root {
  --ink: #d9e2d3;
  --dim: #8f9c8a;
  --line: rgba(214, 226, 208, 0.55);
  --moss: #a3d892;
  --ember: #f2a764;
  --bg: #040605;
  --panel: rgba(4, 7, 6, 0.93);
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.55 var(--mono);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  touch-action: manipulation;
}

#world {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
  cursor: none;
  outline: none;
}

a { color: var(--moss); }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 4px 6px;
  cursor: pointer;
}
button:hover { color: var(--moss); }
button:focus-visible { outline: 1px solid var(--moss); outline-offset: 2px; color: var(--moss); }

/* HUD */
.hud {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
  padding: max(10px, env(safe-area-inset-top)) 16px 0;
  pointer-events: none;
  text-shadow: 0 0 6px #000, 0 0 2px #000;
}
.hud > * { pointer-events: auto; }
.brand { margin: 4px 0 0; letter-spacing: 0.32em; font-weight: 600; }
.brand span { display: block; letter-spacing: 0.08em; font-weight: 400; color: var(--dim); font-size: 11px; }
.hud-buttons { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 2px; }
.hud-buttons button { background: rgba(0, 0, 0, 0.55); }

.prompt {
  position: fixed;
  left: 50%;
  bottom: max(24px, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  max-width: calc(100vw - 32px);
  padding: 8px 14px;
  border: 1px solid var(--line);
  background: var(--panel);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.prompt[hidden] { display: none; }

.toasts {
  position: fixed;
  top: 70px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100vw - 32px);
  display: grid;
  justify-items: center;
  gap: 6px;
  pointer-events: none;
}
.toast {
  margin: 0;
  padding: 6px 12px;
  border: 1px solid var(--line);
  background: var(--panel);
  text-align: center;
  transition: opacity 0.5s;
}
.toast.out { opacity: 0; }

/* Panels */
.panel {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 16px;
  background: rgba(0, 0, 0, 0.45);
}
.panel[hidden] { display: none; }
.panel-box {
  position: relative;
  width: min(540px, 100%);
  max-height: calc(100dvh - 32px);
  overflow: auto;
  padding: 22px 22px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  outline: 1px solid rgba(214, 226, 208, 0.16);
  outline-offset: 4px;
}
.panel-close { position: absolute; top: 6px; right: 6px; color: var(--dim); }
.panel p { margin: 0 0 10px; }
.panel h2 { margin: 2px 0 14px; font-size: 18px; font-weight: 600; letter-spacing: 0.04em; }
.panel h3 { margin: 18px 0 6px; font-size: 12px; font-weight: 400; color: var(--dim); letter-spacing: 0.14em; }
.kicker { color: var(--dim); font-size: 12px; letter-spacing: 0.14em; }
.art { margin: 0 0 14px; font: 13px/1.15 var(--mono); text-shadow: 0 0 10px currentColor; overflow-x: auto; }
.price { color: var(--ember); font-size: 16px; }
.meta, .note { color: var(--dim); font-size: 12px; }
.reward { margin-top: 14px; }
.code { color: var(--moss); letter-spacing: 0.12em; }
.offer { font-style: italic; }
.count { margin-left: 6px; color: var(--ink); }

.sizes { display: flex; flex-wrap: wrap; gap: 6px; margin: 14px 0; padding: 0; border: 0; }
.sizes legend { margin-bottom: 6px; color: var(--dim); font-size: 12px; }
.sizes label { position: relative; }
.sizes input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.sizes span { display: inline-block; min-width: 42px; padding: 4px 6px; border: 1px solid rgba(214, 226, 208, 0.3); text-align: center; cursor: pointer; }
.sizes input:checked + span { border-color: var(--moss); color: var(--moss); }
.sizes input:focus-visible + span { outline: 1px solid var(--moss); outline-offset: 2px; }

.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.actions .primary { color: var(--moss); }

.rows { list-style: none; margin: 0; padding: 0; }
.rows li { padding: 3px 0; }
.rows li.unknown { color: #4f5a4c; }
.line { display: flex; align-items: baseline; gap: 8px; }
.line .dots { flex: 1; border-bottom: 1px dotted rgba(214, 226, 208, 0.35); }
.line button { padding: 0 2px; color: var(--dim); }
.total { margin-top: 8px; font-weight: 600; }

/* Intro */
.intro {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 16px;
  background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.35), rgba(0, 0, 0, 0.88));
  text-align: center;
}
.intro[hidden] { display: none; }
.intro-box { max-width: 560px; }
.intro-art { margin: 0 0 10px; color: #6fae78; font: 12px/1.15 var(--mono); text-shadow: 0 0 8px rgba(111, 174, 120, 0.6); }
.intro h1 { margin: 0; padding-left: 0.4em; font-size: clamp(28px, 8vw, 48px); font-weight: 600; letter-spacing: 0.4em; text-shadow: 0 0 18px rgba(163, 216, 146, 0.45); }
.intro-sub { margin: 4px 0 18px; color: var(--dim); letter-spacing: 0.12em; }
.enter { margin: 18px 0 8px; padding: 10px 18px; border: 1px solid var(--line); color: var(--moss); font-size: 16px; }
.intro-keys { color: var(--dim); font-size: 12px; }
.intro-note { color: var(--dim); font-size: 12px; }

.noscript { position: fixed; inset: 0; display: grid; place-items: center; padding: 16px; text-align: center; }

@media (max-width: 520px) {
  html, body { font-size: 13px; }
  .brand span { display: none; }
  .panel { padding: 12px; }
  .panel-box { padding: 18px 16px 14px; }
}