/* Where's Rocko? — Find the Pair (memory / concentration match).
   Loaded by /pair/ on TOP of the shared /styles.css design tokens — same
   pattern as /hunt/hunt.css and /spot/spot.css. Uses the warm "Creative
   Library" system (paper / surface / ink / brand #F04E37), NOT the old navy
   game chrome. Category: Logic (teal). */
:root {
  /* logic-category hue, mirrored from home.css so /pair/ works standalone */
  --c-logic: #12A0A4;
  --pair-back:  #12A0A4;   /* card-back teal */
  --pair-back2: #0C7B7E;   /* card-back teal, deeper (gradient foot) */
  --pair-ok:    #12A0A4;   /* "matched pair" accent */
}
@media (prefers-color-scheme: dark) {
  :root { --c-logic: #33C6CA; --pair-back: #178E92; --pair-back2: #0E686B; --pair-ok: #33C6CA; }
}

body.pair main { max-width: 1080px; margin: 0 auto; padding: 0 20px 64px; }

/* ============ level select ============ */
.pair-hero {
  position: relative; overflow: hidden;
  display: flex; align-items: center; gap: 30px; flex-wrap: wrap;
  margin: 26px 0 30px; padding: 34px 36px; border-radius: 26px;
  background: radial-gradient(120% 150% at 100% 0%,
    color-mix(in srgb, var(--brand) 16%, var(--surface)) 0%, var(--surface) 60%);
  border: 1px solid var(--line); box-shadow: var(--shadow);
}
.pair-hero-art {
  flex: 0 0 auto; width: 116px; height: 116px;
  filter: drop-shadow(0 10px 20px rgba(30,22,14,.18));
}
.pair-hero-copy { flex: 1 1 300px; min-width: 0; }
.pair-eyebrow {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .72rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase;
  color: #fff; background: var(--c-logic); padding: 4px 11px; border-radius: 999px; margin: 0 0 12px;
}
.pair-hero h1 { font-size: clamp(1.9rem, 4.8vw, 3rem); margin: 0 0 .26em; }
.pair-hero h1 .accent { color: var(--brand); }
.pair-hero .lede { font-size: 1.06rem; font-weight: 700; color: var(--ink-soft); margin: 0; max-width: 52ch; }
.pair-hero .lede strong { color: var(--ink); }

.level-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 18px; }
.level-card {
  display: flex; flex-direction: column; text-align: left; overflow: hidden; cursor: pointer;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); color: inherit; font: inherit;
  transition: transform .12s ease, box-shadow .12s ease;
}
.level-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lift); }
.level-thumb {
  position: relative; height: 132px; display: grid; place-items: center;
  background: var(--surface-2); overflow: hidden;
}
.mini-cards { display: flex; align-items: center; justify-content: center; gap: 7px; }
.mc {
  width: 34px; height: 46px; border-radius: 8px; flex: 0 0 auto;
  box-shadow: 0 3px 7px rgba(30,22,14,.14);
}
.mc.back {
  background: linear-gradient(150deg, var(--pair-back) 0%, var(--pair-back2) 100%);
  display: grid; place-items: center;
}
.mc.back svg { width: 60%; height: 60%; display: block; opacity: .92; }
.mc.face {
  background: var(--surface); border: 1px solid var(--line);
  display: grid; place-items: center;
}
.mc.face img { width: 78%; height: 78%; object-fit: contain; display: block; }
.mc.tl { transform: rotate(-7deg); }
.mc.tr { transform: rotate(6deg); }
.level-thumb .thumb-count {
  position: absolute; right: 12px; bottom: 10px;
  font-family: var(--font-body); font-size: .66rem; font-weight: 800; letter-spacing: .04em;
  color: #fff; background: rgba(33,30,26,.72); padding: 3px 9px; border-radius: 999px;
}
.level-meta { padding: 13px 16px 16px; display: flex; flex-direction: column; gap: 2px; }
.level-name { font-family: var(--font-display); font-weight: 700; font-size: 1.14rem; }
.level-tag { color: var(--ink-soft); font-size: .86rem; font-weight: 700; }
.level-best { margin-top: 6px; font-size: .8rem; font-weight: 800; color: var(--brand-ink); }
.level-best.none { color: var(--ink-soft); font-weight: 700; }

.pair-fine { margin-top: 24px; }

/* ============ HUD ============ */
.hud { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin: 20px 0 14px; }
.hud-back {
  font: inherit; font-weight: 800; cursor: pointer; color: var(--ink);
  background: var(--surface); border: 1.5px solid var(--line); border-radius: 999px; padding: 8px 15px;
}
.hud-back:hover { border-color: var(--brand); color: var(--brand-ink); }
.hud-scene { font-family: var(--font-display); font-weight: 700; font-size: 1.16rem; }
.hud-count {
  display: inline-flex; align-items: baseline; gap: 4px; padding: 5px 13px; border-radius: 999px;
  background: color-mix(in srgb, var(--c-logic) 14%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--c-logic) 40%, var(--line));
  font-weight: 800; color: var(--c-logic);
}
.hud-count b { font-size: 1.15rem; font-variant-numeric: tabular-nums; }
.hud-spacer { flex: 1 1 auto; }
.hud-stat { display: flex; flex-direction: column; align-items: center; line-height: 1.1; min-width: 52px; }
.hud-label { font-size: .66rem; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-soft); font-weight: 800; }
.hud-value { font-weight: 800; font-variant-numeric: tabular-nums; font-size: 1.02rem; }
.hud-hint {
  font: inherit; font-family: var(--font-display); font-weight: 600; cursor: pointer; color: #fff;
  background: var(--brand); border: 0; border-radius: 999px; padding: 9px 16px;
  box-shadow: 0 4px 12px color-mix(in srgb, var(--brand) 38%, transparent);
}
.hud-hint:hover:not(:disabled) { transform: translateY(-1px); }
.hud-hint:disabled { opacity: .45; cursor: not-allowed; box-shadow: none; }

/* ============ board ============ */
.board-wrap { display: flex; justify-content: center; }
.board {
  --cols: 4;
  display: grid; grid-template-columns: repeat(var(--cols), 1fr);
  gap: clamp(7px, 1.5vmin, 14px);
  width: min(100%, var(--maxw, 520px));
}

/* one card: a 3D flipper. .card is the perspective + click target (a button). */
.card {
  position: relative; display: block; padding: 0; border: 0; background: none;
  aspect-ratio: 3 / 4; cursor: pointer; perspective: 800px;
  -webkit-tap-highlight-color: transparent; font: inherit;
}
.card:disabled { cursor: default; }
.card-inner {
  position: absolute; inset: 0; transform-style: preserve-3d;
  transition: transform .42s cubic-bezier(.2,.75,.3,1);
}
.card.up .card-inner, .card.matched .card-inner { transform: rotateY(180deg); }

.card-back, .card-front {
  position: absolute; inset: 0; display: grid; place-items: center; overflow: hidden;
  border-radius: clamp(9px, 2vmin, 16px);
  backface-visibility: hidden; -webkit-backface-visibility: hidden;
}
/* back = branded teal paw, shown while face-down */
.card-back {
  background: linear-gradient(150deg, var(--pair-back) 0%, var(--pair-back2) 100%);
  box-shadow: var(--shadow);
}
.card-back svg { width: 46%; height: 46%; display: block; opacity: .95;
  filter: drop-shadow(0 2px 2px rgba(0,0,0,.14)); }
.card:hover:not(.matched):not(.up):not(:disabled) .card-inner { transform: translateY(-3px); }
.card:hover:not(.matched):not(.up):not(:disabled) .card-back { box-shadow: var(--shadow-lift); }

/* front = the icon / mascot face, revealed when flipped up */
.card-front {
  transform: rotateY(180deg);
  background: var(--surface); border: 1.5px solid var(--line); box-shadow: var(--shadow);
}
.card-front .face-art { width: 80%; height: 80%; display: block;
  filter: drop-shadow(0 2px 3px rgba(30,22,14,.16)); }
.card-front img.face-art { width: 76%; object-fit: contain; }

.card.matched .card-front {
  border-color: var(--pair-ok);
  background: color-mix(in srgb, var(--pair-ok) 12%, var(--surface));
  animation: pairPop .5s ease;
}
@keyframes pairPop {
  0% { transform: rotateY(180deg) scale(1); }
  45% { transform: rotateY(180deg) scale(1.09); }
  100% { transform: rotateY(180deg) scale(1); }
}
.card.wrong .card-front { border-color: var(--brand-ink); animation: cardShake .34s ease; }
@keyframes cardShake {
  0%,100% { transform: rotateY(180deg) translateX(0); }
  25% { transform: rotateY(180deg) translateX(-4px); }
  75% { transform: rotateY(180deg) translateX(4px); }
}

/* ============ win modal (reused pattern) ============ */
.win { position: fixed; inset: 0; z-index: 20; display: grid; place-items: center;
  background: rgba(10,12,20,.5); backdrop-filter: blur(3px); padding: 20px; }
.win[hidden] { display: none; }   /* class display must not beat the hidden attr */
.win-card {
  background: var(--surface); color: var(--ink); border-radius: 22px; padding: 30px 30px 26px;
  text-align: center; max-width: 400px; width: 100%; box-shadow: 0 24px 70px rgba(0,0,0,.4);
  animation: winPop .35s ease both;
}
@keyframes winPop { 0% { transform: scale(.9); opacity: 0; } 100% { transform: scale(1); opacity: 1; } }
.win-rocko { width: 116px; height: 116px; animation: rockoWag 1s ease-in-out infinite alternate; }
@keyframes rockoWag { from { transform: rotate(-5deg); } to { transform: rotate(5deg); } }
.win-card h2 { font-size: 1.9rem; margin: 6px 0 4px; }
.win-time { font-size: 1.05rem; color: var(--ink-soft); font-weight: 700; margin: 0 0 2px; }
.win-time strong { color: var(--ink); font-variant-numeric: tabular-nums; }
.win-sub { color: var(--ink-soft); font-weight: 700; }
.win-best { font-weight: 800; color: var(--brand-ink); margin: 4px 0 18px; min-height: 1.2em; }
.win-actions { display: flex; flex-direction: column; gap: 10px; }
.win-actions .btn { justify-content: center; border-radius: 14px; }

@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }