:root {
  --bg: #11151c;
  --card: #1b2330;
  --card-2: #232c3b;
  --text: #e8ecf4;
  --muted: #92a1b8;
  --accent: #4ea1ff;
  --accent-2: #6cd9a4;
  --warn: #ffb84d;
  --error: #ff6b6b;
  --pip: #11151c;
  --die-face: #f5f5f0;
  --die-face-roll: #cfe6ff;
  --die-face-kept: #b9f0d2;
  --border: #2c374a;
  --recommended: #6cd9a4;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.45;
  -webkit-tap-highlight-color: transparent;
}

header {
  text-align: center;
  padding: 1rem 1rem 0.25rem;
}

h1 {
  margin: 0;
  font-size: 1.6rem;
  letter-spacing: 0.02em;
}

.subtitle {
  margin: 0.1em 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

main {
  max-width: 560px;
  margin: 0 auto;
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.85rem 0.95rem;
}

.card h2 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}
.card-header h2 { margin: 0; }

.reset-link {
  background: transparent;
  border: 0;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.25rem 0.4rem;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.reset-link:hover { text-decoration: underline; }
.reset-link:active { color: var(--accent-2); }

.target-select {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}
.target-select select {
  background: var(--card-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.3rem 0.55rem;
  font-size: 0.95rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
  text-transform: none;
  cursor: pointer;
  appearance: auto;
}

.dom-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.6rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--muted);
  cursor: pointer;
}

.hint {
  margin: 0 0 0.6rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.error {
  margin: 0.4em 0 0;
  color: var(--error);
  font-size: 0.85rem;
}

.hidden { display: none; }

/* Status strip inside the Dice card */
.status-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.4rem;
  background: var(--card-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.45rem 0.6rem;
  margin-bottom: 0.75rem;
}
.status-cell {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.05rem;
  font-size: 0.85rem;
  min-width: 0;
}
.status-cell .status-label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.05em; }
.status-cell .status-value { font-weight: 700; }

/* Dice card layout: chip rows on top, picker rows on the bottom. */
.dice-card { padding-bottom: 0.85rem; }
.dice-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0.25rem 0;
  min-height: 3.4rem;
}
.dice-row-label,
.picker-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  color: var(--muted);
  width: 3rem;
  flex-shrink: 0;
}
.dice-row-label.kept,
.picker-label.kept { color: var(--accent-2); }
.dice-row-label.roll,
.picker-label.roll { color: var(--accent); }
.dice-row .chips {
  flex: 1;
  margin-top: 0;
  min-height: 2.6rem;
  gap: 0.3rem;
  align-items: center;
  flex-wrap: nowrap;
}
.picker-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.4rem;
}
.picker-row .die-buttons { flex: 1; }

.status-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
  font-size: 0.95rem;
}
.status-label { color: var(--muted); }
.status-value { font-variant-numeric: tabular-nums; font-weight: 600; }
.qual-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-right: 0.3rem;
}
.qual-pill.yes {
  background: rgba(108, 217, 164, 0.18);
  color: var(--accent-2);
  border: 1px solid var(--accent-2);
}
.qual-pill.no {
  background: transparent;
  color: var(--muted);
  border: 1px dashed var(--border);
}

/* Die buttons */
.die-buttons {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.4rem;
}

.die {
  aspect-ratio: 1;
  background: var(--die-face);
  border: 1px solid #00000022;
  border-radius: 14%;
  cursor: pointer;
  user-select: none;
  transition: transform 0.05s ease;
  padding: 0;
  overflow: hidden;
  display: block;
  position: relative;
}
.die:active { transform: scale(0.95); }
.die.roll  { background: var(--die-face-roll); }
.die.kept  { background: var(--die-face-kept); }
.die[disabled] {
  opacity: 0.45;
  cursor: not-allowed;
}

/* Pip face: 3x3 grid that fills the container. Each pip is a circle. */
.die-face {
  display: grid;
  grid-template-rows: repeat(3, 1fr);
  grid-template-columns: repeat(3, 1fr);
  width: 100%;
  height: 100%;
  padding: 12%;
  gap: 4%;
  box-sizing: border-box;
}
.pip {
  background: var(--pip);
  border-radius: 50%;
  align-self: center;
  justify-self: center;
  width: 100%;
  height: 100%;
  aspect-ratio: 1;
  max-width: 100%;
  max-height: 100%;
}

/* Chip rows */
.chips {
  margin-top: 0.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  min-height: 3rem;
}

.chip {
  background: var(--die-face);
  border: 1px solid #00000022;
  border-radius: 14%;
  width: clamp(2rem, 8vw, 2.6rem);
  height: clamp(2rem, 8vw, 2.6rem);
  display: inline-block;
  cursor: pointer;
  position: relative;
  padding: 0;
  overflow: visible;
}
.chip .x {
  position: absolute;
  top: -6px;
  right: -6px;
  width: 1.1rem;
  height: 1.1rem;
  font-size: 0.85rem;
  line-height: 1.1rem;
  font-weight: 700;
  color: #fff;
  background: #b00020;
  border-radius: 50%;
  text-align: center;
  pointer-events: none;
}
.chip:active { transform: scale(0.95); }
#kept-chips .chip { background: var(--die-face-kept); }
#roll-chips .chip { background: var(--die-face-roll); }

.chips-empty { color: var(--muted); font-style: italic; font-size: 0.9rem; }

/* Choices */
.choices {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.choice {
  background: var(--card-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.6rem 0.7rem;
}
.choice.recommended {
  border-color: var(--recommended);
  box-shadow: inset 0 0 0 1px var(--recommended);
}
.choice.dominated {
  opacity: 0.55;
}

.choice-head {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
  justify-content: space-between;
}
.choice-subset {
  display: flex;
  gap: 0.3rem;
  flex-wrap: wrap;
  align-items: center;
}
.choice-subset .die-mini {
  width: 1.7rem;
  height: 1.7rem;
  background: var(--die-face);
  border: 1px solid #00000022;
  border-radius: 18%;
  display: inline-block;
  padding: 0;
  overflow: hidden;
}
.choice-subset .die-mini.kept-mini { background: var(--die-face-kept); }
.choice-subset .die-mini .die-face { padding: 14%; gap: 6%; }
.choice-subset .die-sep {
  color: var(--muted);
  font-size: 1rem;
  font-weight: 700;
  align-self: center;
  padding: 0 0.15rem;
}
.badge {
  background: var(--recommended);
  color: #0e2a1c;
  padding: 0.1rem 0.4rem;
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.badge.dom {
  background: var(--card);
  color: var(--muted);
  border: 1px solid var(--border);
}

.choice-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.25rem 0.5rem;
  margin-top: 0.5rem;
  font-size: 0.85rem;
}
.stat {
  display: flex;
  flex-direction: column;
}
.stat-label { color: var(--muted); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.05em; }
.stat-value { font-variant-numeric: tabular-nums; font-weight: 600; }

.histogram {
  margin-top: 0.55rem;
  display: grid;
  grid-template-columns: repeat(25, 1fr);
  gap: 1px;
  align-items: end;
  height: 44px;
  background: linear-gradient(to top, #00000022, transparent 10%);
  padding: 1px;
  border-radius: 4px;
}
.bar {
  background: var(--accent);
  min-height: 1px;
  border-radius: 1px 1px 0 0;
}
.bar.bust { background: var(--error); }
.bar.below-x { background: #4a5468; }

.hist-axis {
  display: grid;
  grid-template-columns: repeat(25, 1fr);
  font-size: 0.55rem;
  color: var(--muted);
  text-align: center;
  margin-top: 1px;
}
.hist-axis span { overflow: hidden; }

footer {
  text-align: center;
  padding: 1rem;
  color: var(--muted);
}

@media (max-width: 380px) {
  .choice-stats { grid-template-columns: repeat(3, 1fr); font-size: 0.78rem; }
}