* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --accent: #ff5500;
  --accent-dark: #e64d00;
  --accent-soft: rgba(255, 85, 0, 0.07);
  --border: #e0e0e0;
  --ink: rgba(0, 0, 0, 1);
  --muted: rgba(0, 0, 0, 0.3);
  --muted-2: rgba(0, 0, 0, 0.5);
  --btn-bg: rgba(249, 249, 249, 1);
}

body {
  font-family: "Geist Mono", "Geist", ui-monospace, SFMono-Regular, Menlo, monospace;
  background-color: #ffffff;
  background-image: radial-gradient(circle, rgba(255, 85, 0, 0.07) 1px, transparent 1px);
  background-size: 8px 8px;
  font-weight: 500;
  color: var(--ink);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 36px 20px 0;
}

.header { margin-bottom: 28px; width: 100%; max-width: 550px; }
.header-image {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 0.5px solid var(--border);
}

.main-content { width: 100%; max-width: 550px; }

.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 15px; font-weight: 400; margin-bottom: 8px; color: var(--ink); }
.label-hint { color: var(--muted); font-weight: 400; }

.form-input {
  font-family: inherit; font-weight: 500; font-size: 13px;
  width: 100%; height: 50px; padding: 0 16px;
  border: 0.5px solid var(--border); background-color: #fff;
  transition: border-color 0.2s; border-radius: 5px; color: var(--ink);
}
.form-input:focus { outline: none; border-color: var(--accent); }

.token-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(112px, 1fr)); gap: 8px; }
.token-loading { grid-column: 1 / -1; padding: 16px 0; text-align: center; font-size: 13px; color: var(--muted); }
.token-card {
  text-align: left; background: #fff;
  border: 0.5px solid var(--border); border-radius: 5px;
  padding: 11px 12px; cursor: pointer; transition: all 0.15s;
}
.token-card:hover { border-color: var(--accent); }
.token-card.selected { border: 1.5px solid var(--accent); background: var(--accent-soft); }
.token-card .sym { font-size: 15px; font-weight: 600; }
.token-card.selected .sym { color: var(--accent); }
.token-card .nm { font-size: 11px; color: var(--muted); margin-top: 2px; }
.token-card .dec { font-size: 11px; color: var(--muted); margin-top: 7px; }

.token-amount-hint { font-size: 13px; font-style: italic; font-weight: 400; margin: 8px 0 0; color: var(--muted); }

.game-card { position: relative; border: 0.5px solid var(--border); border-radius: 5px; overflow: hidden; background: #0a0c18; }
#game { display: block; width: 100%; height: auto; }
.game-overlay { position: absolute; inset: 0; display: grid; place-items: center; background: rgba(8, 10, 24, 0.55); }
.game-overlay.hidden { display: none; }
.game-start { font-family: inherit; font-weight: 500; font-size: 13px; color: #fff; background: var(--accent); border: 0; border-radius: 5px; padding: 11px 18px; cursor: pointer; }
.game-start:hover { background: var(--accent-dark); }
.game-meta { display: flex; justify-content: space-between; margin-top: 8px; font-size: 13px; }
#score { font-weight: 500; }
#goal { color: var(--muted); }
#goal.cleared { color: var(--accent); font-weight: 500; }

.button-group { margin-top: 30px; display: flex; flex-direction: column; gap: 6px; }
.button {
  font-family: inherit; font-weight: 500; font-size: 15px;
  width: 100%; height: 50px; border: 1px solid var(--border);
  background-color: var(--btn-bg); color: var(--accent); cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  transition: all 0.2s; border-radius: 5px;
}
.button:hover:not(:disabled) { background-color: #eeeeee; border-color: #d0d0d0; }
/* primary = filled orange */
.button.primary { background-color: var(--accent); border-color: var(--accent); color: #fff; }
.button.primary:hover:not(:disabled) { background-color: var(--accent-dark); border-color: var(--accent-dark); }
/* secondary (private) = orange outline once unlocked */
.button:not(.primary):not(:disabled) { border-color: var(--accent); }
.button:disabled { background-color: var(--btn-bg); border-color: var(--border); color: var(--muted); cursor: not-allowed; }
.button-icon { width: 16px; height: 16px; }
.note { text-align: center; font-size: 13px; font-weight: 500; font-style: italic; color: var(--muted); }

.result { margin-top: 20px; border: 0.5px solid var(--border); border-radius: 7px; overflow: hidden; font-size: 13px; }
.result-head { padding: 13px; font-weight: 500; font-size: 15px; }
.result-head .highlight { color: var(--accent); }
.result.err .result-head { color: #e90000; }
.result.pending .result-head { color: var(--muted-2); }
.result-body { padding: 13px; border-top: 0.5px solid var(--border); background: rgba(0, 0, 0, 0.02); }
.result-row { display: flex; gap: 8px; margin: 4px 0; }
.result-row b { color: var(--muted-2); font-weight: 400; min-width: 64px; }
.result-row .mono { word-break: break-all; }
.dl-button { margin-top: 10px; display: inline-flex; align-items: center; gap: 6px; font-family: inherit; font-weight: 500; font-size: 13px; background: var(--accent); color: #fff; border: 0; border-radius: 5px; padding: 9px 14px; cursor: pointer; text-decoration: none; }
.dl-button:hover { background: var(--accent-dark); }

.footer { margin-top: auto; width: 100%; }
.footer-content {
  height: 54px; display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; font-weight: 400; padding: 0 24px;
  background-color: rgba(249, 249, 249, 0.99); border-top: 0.5px solid var(--border);
  color: rgba(124, 124, 124, 1);
}
.footer-brand { display: flex; align-items: center; gap: 8px; color: var(--ink); }
.footer-logo { width: 16px; height: 16px; border-radius: 3px; }
.footer-note { color: var(--muted); font-style: italic; }