/* golf.css — Array Golf, on the site's design tokens. */

.gf-wrap { display: grid; grid-template-columns: minmax(0,240px) minmax(0,1fr); gap: 20px; align-items: start; }
@media (max-width: 880px) { .gf-wrap { grid-template-columns: minmax(0,1fr); gap: 14px; } }

/* ---- puzzle list ---- */
.gf-list { display: grid; gap: 4px; max-height: 70vh; overflow: auto; }
@media (max-width: 880px) { .gf-list { grid-template-columns: repeat(auto-fill, minmax(130px,1fr)); max-height: none; } }
.gf-item {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  width: 100%; text-align: left; cursor: pointer;
  font: 500 .82rem var(--font-sans, system-ui, sans-serif);
  color: var(--text-dim, #a2a3ae);
  background: transparent; border: 1px solid transparent;
  border-radius: var(--radius-sm, 8px); padding: .5em .7em;
  transition: color .14s ease, background .14s ease, border-color .14s ease;
}
.gf-item:hover { color: var(--text, #ecedf1); background: var(--surface, rgba(255,255,255,.028)); }
.gf-item.on { color: var(--text, #ecedf1); background: var(--surface-2, rgba(255,255,255,.055)); border-color: var(--border, rgba(255,255,255,.09)); }
.gf-item.done .gf-itn::before { content: "✓ "; color: var(--green, #5ddba0); }
.gf-itb { font: 600 .74rem var(--font-mono, ui-monospace, monospace); color: var(--accent-soft, #ffcb6b); }
.gf-item:focus-visible { outline: 2px solid var(--accent, #ffb020); outline-offset: 2px; }

/* ---- the puzzle ---- */
.gf-panel {
  position: relative;
  border: 1px solid var(--border, rgba(255,255,255,.09));
  border-radius: var(--radius, 14px);
  background: var(--surface, rgba(255,255,255,.028));
  padding: 20px;
}
.gf-panel + .gf-panel { margin-top: 12px; }
.gf-ttl { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.gf-ttl h2 { margin: 0; font-size: 1.15rem; letter-spacing: -.01em; }
.gf-counts { font: 500 .76rem var(--font-mono, ui-monospace, monospace); color: var(--text-faint, #6e6f7b); }
.gf-counts b { color: var(--accent-soft, #ffcb6b); font-weight: 600; }
.gf-prompt { margin: 10px 0 0; font-size: .95rem; line-height: 1.6; color: var(--text-dim, #a2a3ae); }
.gf-prompt code { font-family: var(--font-mono, ui-monospace, monospace); color: var(--accent-soft, #ffcb6b); }

.gf-inputrow { margin-top: 16px; }
.gf-inputrow label { display: block; margin-bottom: 6px; font: 500 .74rem var(--font-sans, system-ui, sans-serif); color: var(--text-faint, #6e6f7b); }
.gf-input {
  display: flex; align-items: center;
  border: 1px solid var(--border, rgba(255,255,255,.09));
  border-radius: var(--radius-sm, 8px);
  background: var(--code-bg, #0a0a0f);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.gf-input:focus-within { border-color: var(--accent, #ffb020); box-shadow: 0 0 0 3px var(--accent-glow, rgba(255,176,32,.16)); }
.gf-sigil { padding: 0 4px 0 12px; flex: none; user-select: none; font: 500 1rem var(--font-mono, ui-monospace, monospace); color: var(--text-faint, #6e6f7b); }
#gf-expr {
  flex: 1 1 auto; min-width: 0; padding: 13px 12px 13px 4px;
  border: 0; outline: 0; background: transparent; color: var(--text, #ecedf1);
  font: 500 clamp(.95rem, .9rem + .3vw, 1.1rem) var(--font-mono, ui-monospace, monospace);
}
#gf-expr.bad { color: var(--red, #ff6b6b); }
.gf-err { margin: 8px 0 0; font: 500 .78rem var(--font-mono, ui-monospace, monospace); color: var(--red, #ff6b6b); }

/* ---- tests ---- */
.gf-tests { margin: 16px 0 0; display: grid; gap: 4px; }
.gf-test {
  display: grid; grid-template-columns: 1.2em minmax(0,1fr) 1.2em minmax(0,1fr) minmax(0,1fr);
  gap: 8px; align-items: center; padding: 5px 8px;
  border-radius: var(--radius-sm, 8px);
  background: var(--code-bg, #0a0a0f);
  border: 1px solid transparent;
  font: 500 .8rem var(--font-mono, ui-monospace, monospace);
  color: var(--text-dim, #a2a3ae);
}
.gf-test.pass { border-color: rgba(93,219,160,.28); }
.gf-test.fail { border-color: rgba(255,107,107,.3); }
.gf-mark { text-align: center; color: var(--text-faint, #6e6f7b); }
.gf-test.pass .gf-mark { color: var(--green, #5ddba0); }
.gf-test.fail .gf-mark { color: var(--red, #ff6b6b); }
.gf-arrow { color: var(--text-faint, #6e6f7b); text-align: center; }
.gf-in { color: var(--text, #ecedf1); overflow: hidden; text-overflow: ellipsis; }
.gf-want { color: var(--accent-soft, #ffcb6b); overflow: hidden; text-overflow: ellipsis; }
.gf-got { color: var(--red, #ff6b6b); overflow: hidden; text-overflow: ellipsis; }

.gf-hidden { margin: 10px 0 0; font: 500 .78rem var(--font-mono, ui-monospace, monospace); color: var(--text-faint, #6e6f7b); }
.gf-hidden.pass { color: var(--green, #5ddba0); }
.gf-hidden.part { color: var(--accent, #ffb020); }
.gf-hidden.fail { color: var(--text-faint, #6e6f7b); }

.gf-verdict { margin: 12px 0 0; min-height: 1.3em; font: 600 .92rem var(--font-sans, system-ui, sans-serif); color: var(--text-dim, #a2a3ae); }
.gf-verdict.ok { color: var(--green, #5ddba0); }

.gf-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.gf-btn {
  font: 500 .78rem var(--font-sans, system-ui, sans-serif);
  color: var(--text-dim, #a2a3ae); cursor: pointer; white-space: nowrap;
  background: var(--surface, rgba(255,255,255,.028));
  border: 1px solid var(--border, rgba(255,255,255,.09));
  border-radius: 999px; padding: .44em .9em;
  transition: color .15s ease, border-color .15s ease, background .15s ease;
}
.gf-btn:hover { color: var(--text, #ecedf1); border-color: var(--border-strong, rgba(255,255,255,.16)); background: var(--surface-2, rgba(255,255,255,.055)); }
.gf-btn:focus-visible { outline: 2px solid var(--accent, #ffb020); outline-offset: 2px; }

.gf-toast {
  position: absolute; left: 50%; bottom: 12px; transform: translate(-50%, 8px);
  padding: .5em .9em; border-radius: 999px; background: rgba(0,0,0,.82); color: #fff;
  border: 1px solid var(--border-strong, rgba(255,255,255,.16));
  font: 500 .78rem var(--font-sans, system-ui, sans-serif);
  opacity: 0; pointer-events: none; transition: opacity .18s ease, transform .18s ease;
  max-width: calc(100% - 28px); text-align: center;
}
.gf-toast.on { opacity: 1; transform: translate(-50%, 0); }

.gf-chip {
  display: inline-flex; align-items: center; gap: 8px;
  font: 500 .74rem var(--font-mono, ui-monospace, monospace); color: var(--text-dim, #a2a3ae);
  border: 1px solid var(--border, rgba(255,255,255,.09));
  background: var(--surface, rgba(255,255,255,.028));
  border-radius: 999px; padding: .38em .8em; white-space: nowrap;
}
.gf-led { width: 7px; height: 7px; border-radius: 50%; background: var(--text-faint, #6e6f7b); flex: none; }
.gf-led.booting { background: var(--accent, #ffb020); animation: gfPulse 1.1s ease-in-out infinite; }
.gf-led.ready { background: var(--green, #5ddba0); box-shadow: 0 0 0 3px rgba(93,219,160,.22); }
.gf-led.error { background: var(--red, #ff6b6b); }
@keyframes gfPulse { 0%,100% { opacity: .35; } 50% { opacity: 1; } }

.gf-hint { margin: 10px 0 0; font-size: .82rem; line-height: 1.6; color: var(--text-faint, #6e6f7b); }
.gf-hint code { font-family: var(--font-mono, ui-monospace, monospace); color: var(--text-dim, #a2a3ae); }
.gf-hint strong { color: var(--text, #ecedf1); }
.gf-cheat { display: grid; grid-template-columns: auto 1fr; gap: 5px 12px; margin: 10px 0 0; }
.gf-cheat dt { font: 600 .82rem var(--font-mono, ui-monospace, monospace); color: var(--accent-soft, #ffcb6b); }
.gf-cheat dd { margin: 0; font-size: .8rem; color: var(--text-dim, #a2a3ae); line-height: 1.45; }

/* Ligatures off: the symbols are distinct verbs, not a curly-brace language's
   operators, and JetBrains Mono merges pairs like #? != <= |> into one glyph. */
input, code, pre, .gf-test, .gf-cheat dt, .tp-tape, .tp-sum, .sw-src, .dots-vars dt {
  font-variant-ligatures: none !important;
  font-feature-settings: "liga" 0, "clig" 0, "calt" 0 !important;
}

.gf-tier {
  margin: 10px 0 2px; padding: 0 .7em;
  font: 600 .68rem var(--font-sans, system-ui, sans-serif);
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--text-faint, #6e6f7b);
}
.gf-tier:first-child { margin-top: 0; }