:root {
  color-scheme: light dark;
  --bg: #f6f5ee; --card: #fffefa; --ink: #292a23; --muted: #6b6c63; --line: #e4e2d6;
  --lime: #d8fd71; --on-lime: #292a23; --danger: #c0392b; --ok: #2e7d32;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #292a23; --card: #33342c; --ink: #f6f5ee; --muted: #b0b1a6; --line: #4a4b41; --danger: #ff8a7d; --ok: #7fd884; }
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: var(--bg); color: var(--ink); font: 16px/1.4 "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif; }
#app { max-width: 460px; margin: 0 auto; padding: 56px 16px 64px; display: grid; gap: 14px; justify-items: center; text-align: center; }
h1 { margin: 0; font-size: clamp(2rem, 8vw, 2.8rem); letter-spacing: -.045em; }
section { width: 100%; display: grid; gap: 14px; justify-items: center; }
.lead { margin: 0; color: var(--muted); font-size: 1.05rem; }
.note { margin: 0; color: var(--muted); font-size: .85rem; }
.problem { margin: 0; color: var(--danger); font-weight: 600; }
.invite { margin: 0; padding: 10px 14px; border-radius: 12px; background: var(--lime); color: var(--on-lime); font-weight: 700; }
[hidden] { display: none !important; }
.buttons { display: grid; gap: 8px; width: 100%; }
button { font: inherit; font-weight: 700; padding: 13px 16px; border-radius: 12px; border: 1px solid var(--line); background: var(--card); color: var(--ink); cursor: pointer; }
button:hover:not(:disabled) { border-color: var(--ink); }
button:focus-visible, input:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
button.primary { background: var(--ink); color: var(--bg); border-color: var(--ink); }
button.link { border: 0; background: none; color: var(--muted); font-weight: 600; text-decoration: underline; padding: 6px; }
button:disabled { opacity: .55; cursor: default; }
.count { font-family: var(--mono); font-size: .75rem; padding: 2px 8px; border-radius: 999px; background: var(--lime); color: var(--on-lime); margin-left: 6px; }
.join { display: grid; grid-template-columns: auto 1fr auto; gap: 8px; align-items: center; width: 100%; }
.join label { color: var(--muted); font-size: .9rem; }
.join input { min-width: 0; padding: 12px; border-radius: 12px; border: 1px solid var(--line); background: var(--card); color: var(--ink); font: 700 1rem var(--mono); letter-spacing: .2em; text-transform: uppercase; text-align: center; }
.code-box { display: grid; gap: 10px; justify-items: center; padding: 18px; width: 100%; border: 1.5px solid var(--ink); border-radius: 20px; background: var(--card); box-shadow: 6px 6px 0 var(--lime); }
.code { font: 800 2.4rem var(--mono); letter-spacing: .25em; padding-left: .25em; }
.left { justify-items: stretch; text-align: left; }
.field { display: grid; gap: 6px; font-weight: 700; }
input, select { font: inherit; padding: 12px; border-radius: 12px; border: 1px solid var(--line); background: var(--card); color: var(--ink); min-width: 0; }
.count-line { margin: 0; font-weight: 700; }
.names { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; max-height: 220px; overflow: auto; }
.names li { padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line); background: var(--card); font-size: .9rem; font-weight: 600; }
.names li.away { opacity: .55; border-style: dashed; }
.choice { display: grid; gap: 8px; margin: 0; padding: 12px; border: 1px solid var(--line); border-radius: 16px; background: var(--card); }
.choice legend { padding: 0 6px; font-weight: 700; }
.choice label { display: flex; gap: 8px; align-items: center; }
textarea { font: inherit; padding: 12px; border-radius: 12px; border: 1px solid var(--line); background: var(--card); color: var(--ink); resize: vertical; }

.called-now { min-width: 9rem; padding: 14px 24px; border-radius: 20px; background: var(--lime); color: var(--on-lime); border: 1.5px solid var(--ink); box-shadow: 6px 6px 0 var(--ink); font: 800 clamp(2.4rem, 12vw, 3.6rem) var(--mono); letter-spacing: -.02em; overflow-wrap: anywhere; }
.called-now.long { font-size: clamp(1.4rem, 6vw, 2rem); font-family: inherit; }
.bcard { width: 100%; display: grid; gap: 6px; }
.letters { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; font: 800 1.3rem var(--mono); }
.grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
.cell { aspect-ratio: 1; min-width: 0; padding: 2px; display: grid; place-items: center; border-radius: 12px; font: 700 clamp(.8rem, 4vw, 1.15rem) var(--mono); overflow-wrap: anywhere; line-height: 1.1; }
.grid[data-mode="terms"] .cell { font: 600 clamp(.6rem, 2.9vw, .85rem) "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif; }
.cell.called { border: 2px dashed var(--ink); }
.cell.marked { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.cell.free { background: var(--lime); color: var(--on-lime); border-color: var(--lime); font-size: .75rem; }
.cell.win { background: var(--lime); color: var(--on-lime); border-color: var(--ink); }
.cell:disabled { opacity: 1; cursor: default; }
button#claim { font-size: 1.3rem; padding: 16px; }
.history { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; }
.history li { padding: 4px 10px; border-radius: 999px; border: 1px solid var(--line); background: var(--card); font: 600 .8rem var(--mono); }
.history li:first-child { background: var(--lime); color: var(--on-lime); border-color: var(--lime); }