:root {
  --bg: #f6f5f3;
  --surface: #ffffff;
  --ink: #1b1b1f;
  --muted: #6b6b76;
  --line: #e2e0dc;
  --accent: #2f6f4f;
  --wrong: #b03a3a;
  --shadow: 0 1px 2px rgba(0,0,0,.06), 0 8px 24px rgba(0,0,0,.06);
}
:root[data-theme="dark"], :root:not([data-theme="light"]) {
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #14141a;
    --surface: #1d1d25;
    --ink: #eceaf2;
    --muted: #9a98a6;
    --line: #2e2e3a;
    --accent: #6ec095;
    --wrong: #e57373;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.3);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #14141a;
  --surface: #1d1d25;
  --ink: #eceaf2;
  --muted: #9a98a6;
  --line: #2e2e3a;
  --accent: #6ec095;
  --wrong: #e57373;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.3);
  color-scheme: dark;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.5 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}
.shell {
  max-width: 34rem;
  margin: 0 auto;
  padding: 1.5rem 1rem 4rem;
}

header.top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
header.top h1 {
  font-size: 1.05rem;
  font-weight: 650;
  letter-spacing: -.01em;
  margin: 0;
}
.date { color: var(--muted); font-size: .8rem; font-variant-numeric: tabular-nums; }

.theme-toggle {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  border-radius: 999px;
  padding: .3rem .7rem;
  font-size: .75rem;
  cursor: pointer;
}
.theme-toggle:hover { color: var(--ink); }

.flag {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 1rem;
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
}
.flag svg {
  width: 100%;
  height: auto;
  max-height: 13rem;
  border-radius: 6px;
  display: block;
}

.progress {
  display: flex;
  gap: .3rem;
  margin-bottom: 1rem;
  font-size: .78rem;
  color: var(--muted);
  align-items: center;
  flex-wrap: wrap;
}
.pip {
  width: .55rem; height: .55rem; border-radius: 50%;
  background: var(--line); display: inline-block;
}
.pip.spent { background: var(--wrong); }
.pip.won { background: var(--accent); }

section { margin-bottom: 1.25rem; }
h2 {
  font-size: .74rem;
  text-transform: uppercase;
  letter-spacing: .09em;
  color: var(--muted);
  font-weight: 600;
  margin: 0 0 .55rem;
}

.hint {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  padding: .7rem .85rem;
  margin-bottom: .5rem;
}
.hint .cat {
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--accent);
  font-weight: 650;
  display: block;
  margin-bottom: .2rem;
}
.hint p { margin: 0; font-size: .92rem; }

.pool { display: flex; gap: .5rem; flex-wrap: wrap; }
/* The <form> wrapping each button is the flex/grid item, so it carries the
   sizing and the button fills it. */
.pool form { flex: 1 1 0; min-width: 0; }
.pool button {
  width: 100%;
  border: 1px dashed var(--line);
  background: var(--surface);
  color: var(--ink);
  border-radius: 10px;
  padding: .65rem .5rem;
  font: inherit;
  font-size: .82rem;
  cursor: pointer;
  transition: border-color .12s, transform .12s;
}
.pool button:hover { border-color: var(--accent); transform: translateY(-1px); }
.pool button .cost { display: block; font-size: .68rem; color: var(--muted); margin-top: .15rem; }

.choices { display: grid; grid-template-columns: repeat(2, 1fr); gap: .5rem; }
@media (max-width: 26rem) { .choices { grid-template-columns: 1fr; } }
.choices form { display: contents; }
.choices button {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  border-radius: 10px;
  padding: .7rem .8rem;
  font: inherit;
  font-size: .9rem;
  text-align: left;
  cursor: pointer;
  transition: border-color .12s, transform .12s;
}
.choices button:hover { border-color: var(--accent); transform: translateY(-1px); }

.eliminated { display: flex; flex-wrap: wrap; gap: .35rem; }
.eliminated span {
  font-size: .78rem;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .2rem .6rem;
  text-decoration: line-through;
}

.result {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 1.1rem;
  text-align: center;
}
.result .verdict { font-size: 1.1rem; font-weight: 650; margin: 0 0 .2rem; }
.result .answer { color: var(--muted); margin: 0 0 .8rem; font-size: .9rem; }
.result .score {
  font-size: 2.1rem; font-weight: 700; letter-spacing: -.02em;
  font-variant-numeric: tabular-nums; color: var(--accent);
  margin: 0;
}
.result .score.zero { color: var(--muted); }

.grid {
  font-size: 1.05rem; line-height: 1.35; margin: .8rem 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.share {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  border-radius: 10px;
  padding: .6rem 1.1rem;
  font: inherit; font-size: .85rem; cursor: pointer;
}
.share:hover { border-color: var(--accent); }

.countdown {
  margin-top: 1rem; color: var(--muted); font-size: .8rem;
  font-variant-numeric: tabular-nums;
}

.stats { display: flex; justify-content: center; gap: 1.4rem; margin-top: 1rem; }
.stats div { text-align: center; }
.stats .n { font-size: 1.2rem; font-weight: 650; font-variant-numeric: tabular-nums; }
.stats .k { font-size: .66rem; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); }

.error {
  border: 1px solid var(--wrong);
  color: var(--wrong);
  border-radius: 10px;
  padding: .55rem .8rem;
  font-size: .84rem;
  margin-bottom: 1rem;
}
form { margin: 0; }