:root {
  --bg: #111312;
  --ink: #171a18;
  --paper: #f6f5ef;
  --paper-strong: #ffffff;
  --line: #d7d2c7;
  --muted: #6e7069;
  --muted-light: #aeb3a9;
  --green: #168b76;
  --amber: #d7782c;
  --red: #b64935;
  --blue: #2f6fb3;
  --accent: #168b76;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.24);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--bg);
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--paper);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    var(--bg);
  background-size: 36px 36px;
}

button,
select {
  font: inherit;
}

button {
  min-height: 48px;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
}

button:focus-visible,
select:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent), white 45%);
  outline-offset: 3px;
}

.app-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0;
}

.app-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  padding: 4px 0 22px;
}

.eyebrow,
.pool-pill,
.mode-badge,
.result-topline,
.count-grid dt {
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--amber);
}

h1,
h2,
p,
dl,
dd {
  margin: 0;
}

h1 {
  max-width: 12ch;
  font-size: clamp(2.4rem, 2.2rem + 1.1vw, 3.25rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.pool-pill {
  flex: 0 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  padding: 10px 14px;
  color: #f4f1e7;
  background: rgba(255, 255, 255, 0.07);
}

.roulette-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(420px, 1.35fr);
  gap: 18px;
  align-items: stretch;
}

.control-surface,
.result-surface,
.history-surface {
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.control-surface,
.result-surface,
.history-surface {
  color: var(--ink);
  background: var(--paper);
}

.control-surface {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 20px;
}

.control-heading {
  display: grid;
  gap: 8px;
}

.control-heading h2,
.history-surface h2 {
  font-size: 1rem;
}

.control-heading p {
  color: var(--muted);
  line-height: 1.55;
}

.strategy-sentence {
  max-width: 42rem;
  color: #272a26;
  font-size: 1.35rem;
  font-weight: 720;
  line-height: 1.45;
}

.field-label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.setup-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.setup-grid > div {
  display: grid;
  gap: 8px;
}

.setup-select {
  width: 100%;
  min-height: 50px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 14px;
  color: var(--ink);
  background: var(--paper-strong);
}

.button-grid {
  display: grid;
  gap: 10px;
}

.primary-action,
.secondary-action,
.ghost-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 0 16px;
  font-weight: 850;
}

.primary-action {
  color: #fffaf0;
  background: var(--green);
}

.secondary-action {
  color: #fffaf0;
  background: var(--amber);
}

.ghost-action {
  width: auto;
  min-height: 42px;
  border: 1px solid var(--line);
  color: var(--ink);
  background: var(--paper-strong);
}

.count-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: auto;
}

.count-grid div {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: var(--paper-strong);
}

.count-grid dt {
  color: var(--muted);
}

.count-grid dd {
  margin-top: 6px;
  font-size: 1rem;
  font-weight: 850;
}

.result-surface {
  display: flex;
  min-height: 470px;
  flex-direction: column;
  gap: 18px;
  padding: 24px;
}

.result-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
}

.mode-badge {
  border-radius: 999px;
  padding: 7px 10px;
  color: #fffaf0;
  background: var(--accent);
}

#strategyTitle {
  font-size: 1.9rem;
  line-height: 1.08;
  letter-spacing: 0;
}

.result-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
  color: var(--muted);
  font-size: 0.9rem;
}

.history-surface {
  margin-top: 18px;
  padding: 18px;
}

.history-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.history-item {
  min-height: 72px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  color: var(--ink);
  text-align: left;
  background: var(--paper-strong);
}

.history-item span,
.history-item strong {
  display: block;
}

.history-item span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.history-item strong {
  margin-top: 4px;
  overflow: hidden;
  font-size: 0.9rem;
  line-height: 1.25;
  text-overflow: ellipsis;
}

@media (max-width: 960px) {
  .roulette-layout {
    grid-template-columns: 1fr 1fr;
  }

  .history-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .app-shell {
    width: min(100% - 20px, 620px);
    padding: 18px 0;
  }

  .app-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .roulette-layout {
    grid-template-columns: 1fr;
  }

  .result-surface,
  .control-surface {
    padding: 18px;
  }

  .result-surface {
    min-height: auto;
  }

  .strategy-sentence {
    font-size: 1.12rem;
  }

  .setup-grid {
    grid-template-columns: 1fr;
  }

  .history-list {
    grid-template-columns: 1fr;
  }
}