/* ==========================================================================
   Crossclimb — "Ascent" aesthetic
   Game widget + /play-crossclimb & /crossclimb-answer-today page styles.
   ========================================================================== */

:root {
  --c-ink: #111c18;          /* deep forest base          */
  --c-ink-2: #18271f;        /* panel surface             */
  --c-ink-3: #294037;        /* raised / borders          */
  --c-lime: #84cc16;         /* accent / active           */
  --c-lime-2: #a3e635;       /* highlight                 */
  --c-good: #34d399;         /* valid link                */
  --c-bad: #f87171;          /* broken link               */
  --c-cream: #eef3ea;        /* text on dark              */
  --c-muted: #9bb0a3;        /* muted on dark             */
  --c-cell: #f4f8ef;         /* light rung                */
  --c-line: rgba(238,243,234,0.12);
  --c-radius: 16px;
  --c-display: 'Fraunces', Georgia, serif;
}

/* ---- Page hero / sections ----------------------------------------------- */

.crossclimb-page { max-width: 980px; margin: 0 auto; padding: 20px 16px 56px; }
.crossclimb-hero { text-align: center; margin: 8px 0 24px; }
.crossclimb-hero .c-eyebrow { font: 600 0.78rem/1 var(--c-display); letter-spacing: 0.22em; text-transform: uppercase; color: #5a8a1e; margin-bottom: 12px; }
.crossclimb-hero h1 { font: 600 clamp(2rem, 5vw, 3rem)/1.05 var(--c-display); color: var(--c-ink); margin: 0 0 10px; letter-spacing: -0.01em; }
.crossclimb-hero h1 em { font-style: italic; color: #5a8a1e; }
.crossclimb-hero p { color: #4c5a52; max-width: 60ch; margin: 0 auto; font-size: 1.05rem; }

/* ---- Game panel --------------------------------------------------------- */

.c-game {
  background: radial-gradient(120% 90% at 50% 110%, #1f342a 0%, var(--c-ink-2) 55%, var(--c-ink) 100%);
  border: 1px solid var(--c-ink-3); border-radius: var(--c-radius);
  padding: 18px 18px 22px; color: var(--c-cream); position: relative; overflow: hidden;
  box-shadow: 0 24px 60px -28px rgba(6,12,9,0.85), inset 0 1px 0 rgba(255,255,255,0.05);
}

.c-toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 14px; }
.c-seg { display: inline-flex; gap: 4px; background: rgba(255,255,255,0.04); border: 1px solid var(--c-line); border-radius: 11px; padding: 4px; }
.c-seg-btn { font: 600 0.85rem/1 system-ui, sans-serif; color: var(--c-muted); background: none; border: 0; border-radius: 8px; padding: 8px 14px; cursor: pointer; transition: all 0.15s ease; }
.c-seg-btn:hover { color: var(--c-cream); }
.c-seg-btn.is-active { color: var(--c-ink); background: linear-gradient(180deg, var(--c-lime-2), var(--c-lime)); }
.c-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.c-btn { font: 600 0.9rem/1 system-ui, sans-serif; color: var(--c-cream); background: rgba(255,255,255,0.05); border: 1px solid var(--c-line); border-radius: 10px; padding: 10px 14px; cursor: pointer; transition: all 0.15s ease; }
.c-btn:hover { background: rgba(255,255,255,0.1); border-color: rgba(132,204,22,0.5); transform: translateY(-1px); }
.c-btn-primary { color: var(--c-ink); background: linear-gradient(180deg, var(--c-lime-2), var(--c-lime)); border-color: var(--c-lime-2); }
.c-btn-primary:hover { filter: brightness(1.05); }

.c-statusbar { display: flex; gap: 8px; margin-bottom: 8px; }
.c-chip { font: 600 0.85rem/1 system-ui, sans-serif; padding: 7px 12px; border-radius: 999px; background: rgba(255,255,255,0.05); border: 1px solid var(--c-line); }
.c-timer { font-variant-numeric: tabular-nums; min-width: 54px; text-align: center; }
.c-links { color: var(--c-good); }
.c-instructions { color: var(--c-muted); font-size: 0.9rem; text-align: center; margin: 6px 0 14px; }

/* ---- Ladder ------------------------------------------------------------- */

.c-board-wrap { position: relative; display: flex; justify-content: center; }
.c-ladder { width: min(100%, 360px); display: flex; flex-direction: column; align-items: stretch; gap: 0; touch-action: none; }

.c-rung {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  background: var(--c-cell); color: #1c2a22; border-radius: 12px;
  padding: 14px 12px 14px 18px; cursor: grab; user-select: none;
  box-shadow: 0 6px 16px -10px rgba(0,0,0,0.6); transition: transform 0.1s ease, box-shadow 0.12s ease;
}
.c-rung:active { cursor: grabbing; }
.c-rung.is-dragging { opacity: 0.5; }
.c-rung.is-drop { box-shadow: 0 0 0 2px var(--c-lime), 0 6px 16px -10px rgba(0,0,0,0.6); }
.c-rung.is-hint { box-shadow: 0 0 0 3px var(--c-lime-2); }
.c-rung.is-won { animation: c-pop 0.4s cubic-bezier(.2,1.4,.4,1) backwards; animation-delay: var(--win-delay, 0ms); }
.c-rung-word { font: 700 1.25rem/1 system-ui, sans-serif; letter-spacing: 0.12em; }
.c-rung-arrows { display: flex; flex-direction: column; gap: 2px; }
.c-arrow { width: 28px; height: 22px; border: 0; border-radius: 6px; cursor: pointer; background: #e3ead9; color: #4a5a3a; font-size: 0.7rem; line-height: 1; }
.c-arrow:hover:not(:disabled) { background: var(--c-lime-2); color: var(--c-ink); }
.c-arrow:disabled { opacity: 0.3; cursor: default; }

.c-link { align-self: center; margin: 5px 0; font: 700 0.72rem/1 ui-monospace, monospace; padding: 3px 9px; border-radius: 999px; }
.c-link.is-ok { color: #06321f; background: var(--c-good); }
.c-link.is-bad { color: #fff; background: var(--c-bad); }

@keyframes c-pop { 0% { transform: scale(0.85); opacity: 0; } 100% { transform: scale(1); opacity: 1; } }

/* ---- Win overlay -------------------------------------------------------- */

.c-win { position: absolute; inset: 0; z-index: 5; display: flex; align-items: center; justify-content: center; background: rgba(8,14,10,0.74); backdrop-filter: blur(4px); }
.c-win[hidden] { display: none; }
.c-win-card { background: linear-gradient(180deg, var(--c-ink-3), var(--c-ink-2)); border: 1px solid rgba(132,204,22,0.4); border-radius: 16px; padding: 26px 28px; text-align: center; max-width: 340px; box-shadow: 0 30px 70px -25px rgba(0,0,0,0.85); }
.c-win-title { font: 600 1.9rem/1 var(--c-display); color: var(--c-lime-2); margin: 0 0 6px; }
.c-win-sub { color: var(--c-muted); font-size: 0.95rem; margin: 0 0 18px; }
.c-win-actions { display: flex; gap: 10px; justify-content: center; }
.c-win-copied { color: var(--c-good); font-size: 0.85rem; margin: 12px 0 0; }

.c-msg { text-align: center; color: var(--c-muted); min-height: 1.2em; margin: 12px 0 4px; font-size: 0.92rem; }
.c-statsbar { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 22px; margin-top: 8px; padding-top: 14px; border-top: 1px solid var(--c-line); color: var(--c-muted); font-size: 0.85rem; }
.c-statsbar b { color: var(--c-lime-2); }

/* ---- Content sections --------------------------------------------------- */

.crossclimb-section { margin: 40px 0 0; }
.crossclimb-section h2 { font: 600 1.6rem/1.2 var(--c-display); color: var(--c-ink); margin: 0 0 14px; }
.crossclimb-section h3 { font: 600 1.15rem/1.3 var(--c-display); color: var(--c-ink); margin: 22px 0 8px; }
.crossclimb-section p, .crossclimb-section li { color: #41504a; font-size: 1.02rem; line-height: 1.7; }
.crossclimb-section ul, .crossclimb-section ol { padding-left: 1.25em; margin: 10px 0; }
.crossclimb-section li { margin: 6px 0; }

.c-rules { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; margin: 18px 0; }
.c-rule-card { background: #fff; border: 1px solid #e4ebe2; border-left: 4px solid var(--c-lime); border-radius: 12px; padding: 16px 18px; box-shadow: 0 4px 14px -10px rgba(17,28,24,0.4); }
.c-rule-card .c-rule-n { font: 700 0.78rem/1 system-ui; color: #5a8a1e; letter-spacing: 0.08em; }
.c-rule-card h4 { margin: 8px 0 4px; font-size: 1.02rem; color: var(--c-ink); }
.c-rule-card p { font-size: 0.92rem; color: #56645c; margin: 0; }

.c-faq details { background: #fff; border: 1px solid #e4ebe2; border-radius: 12px; padding: 4px 18px; margin: 10px 0; }
.c-faq details[open] { box-shadow: 0 8px 22px -14px rgba(17,28,24,0.5); }
.c-faq summary { cursor: pointer; list-style: none; padding: 14px 0; font: 600 1.02rem/1.4 system-ui, sans-serif; color: var(--c-ink); display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.c-faq summary::-webkit-details-marker { display: none; }
.c-faq summary::after { content: "+"; font: 400 1.4rem/1 var(--c-display); color: var(--c-lime); }
.c-faq details[open] summary::after { content: "–"; }
.c-faq details p { margin: 0 0 14px; }

.crossclimb-cross { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-top: 16px; }
.crossclimb-cross a { display: block; text-align: center; padding: 14px 10px; border-radius: 11px; background: #fff; border: 1px solid #e4ebe2; color: var(--c-ink); font-weight: 600; text-decoration: none; transition: all 0.15s ease; }
.crossclimb-cross a:hover { border-color: var(--c-lime); transform: translateY(-2px); box-shadow: 0 8px 20px -12px rgba(17,28,24,0.5); }

/* ==========================================================================
   /crossclimb-answer-today
   ========================================================================== */

.ca-puzzle-num { display: inline-block; margin-top: 8px; font: 600 0.95rem/1 system-ui, sans-serif; color: #5a8a1e; background: #eef7e0; border: 1px solid #d7ebbb; padding: 6px 13px; border-radius: 999px; }
.ca-answerbox { background: linear-gradient(180deg, #fcfef8, #fff); border: 1px solid #e6ecdf; border-radius: 16px; padding: 22px; box-shadow: 0 14px 36px -24px rgba(17,28,24,0.5); margin: 8px 0 26px; }
.ca-sub { color: #4c5a52; margin: 0 0 16px; }
.ca-hints { display: grid; gap: 10px; margin: 0 0 18px; }
.ca-hint { background: #f6faf0; border: 1px solid #e6efd9; border-radius: 12px; overflow: hidden; }
.ca-hint-btn { width: 100%; text-align: left; cursor: pointer; background: none; border: 0; padding: 14px 16px; display: flex; justify-content: space-between; align-items: center; gap: 12px; font: 600 0.98rem/1.3 system-ui; color: var(--c-ink); }
.ca-hint-btn:hover { background: #eef6e2; }
.ca-hint-btn .ca-hint-cue { font: 500 0.8rem/1 system-ui; color: var(--c-lime); }
.ca-hint-body { padding: 0 16px 14px; color: #45544c; line-height: 1.6; }

.ca-reveal { text-align: center; }
.ca-reveal-btn { font: 600 1rem/1 system-ui; cursor: pointer; color: var(--c-ink); background: linear-gradient(180deg, var(--c-lime-2), var(--c-lime)); border: 0; border-radius: 12px; padding: 13px 22px; box-shadow: 0 6px 18px -8px rgba(132,204,22,0.6); }
.ca-reveal-btn:hover { filter: brightness(1.05); }
.ca-reveal-btn small { display: block; font-weight: 500; font-size: 0.72rem; color: #3a5410; margin-top: 3px; }
.ca-hidden { display: none; }

.ca-ladder { margin: 18px auto 0; max-width: 420px; }
.ca-rung { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 12px; background: #f5f9ef; border: 1px solid #e6efd9; border-radius: 11px; padding: 11px 14px; }
.ca-rung.is-end { background: #eef7e0; border-color: #d7ebbb; }
.ca-rung-clue { color: #45544c; font-size: 0.92rem; }
.ca-rung-clue .ca-tag { font: 700 0.66rem/1 system-ui; text-transform: uppercase; letter-spacing: 0.06em; color: #5a8a1e; display: block; margin-bottom: 2px; }
.ca-rung-word { font: 700 1.1rem/1 ui-monospace, monospace; letter-spacing: 0.14em; color: var(--c-ink); text-align: right; }
.ca-rung-word .ca-delta { color: var(--c-lime); background: #eef7e0; border-radius: 4px; padding: 0 2px; }
.ca-link { text-align: center; color: var(--c-muted); font: 700 0.7rem/1 system-ui; margin: 3px 0; }
.ca-final { margin-top: 16px; text-align: center; padding: 14px; background: #eef7e0; border: 1px dashed #cfe7ab; border-radius: 12px; }
.ca-final .ca-final-label { font: 700 0.7rem/1 system-ui; text-transform: uppercase; letter-spacing: 0.06em; color: #5a8a1e; }
.ca-final .ca-final-words { font: 700 1.25rem/1.2 var(--c-display); color: var(--c-ink); margin-top: 4px; }
.ca-copy { margin-top: 14px; font: 600 0.85rem/1 system-ui; cursor: pointer; color: var(--c-ink); background: #fff; border: 1px solid #d7ebbb; border-radius: 9px; padding: 9px 14px; }
.ca-copy:hover { border-color: var(--c-lime); }
.ca-copied { color: #2e9e6b; font-size: 0.82rem; margin-left: 8px; }

.ca-yesterday { background: #f3f7ef; border: 1px dashed #dbe7cf; border-radius: 12px; padding: 16px 18px; margin-top: 22px; }
.ca-yesterday h3 { font: 600 1.05rem/1 var(--c-display); color: var(--c-ink); margin: 0 0 6px; }
.ca-yesterday p { margin: 0; color: #4c5a52; font-size: 0.95rem; }
.ca-yesterday a { color: #5a8a1e; font-weight: 600; text-decoration: none; }

@media (max-width: 560px) {
  .c-game { padding: 14px 12px 18px; }
  .c-actions { flex: 1; } .c-actions .c-btn { flex: 1; padding: 10px 6px; }
}
@media (prefers-reduced-motion: reduce) { .c-rung.is-won { animation: none !important; } }