/* ============================================================
   Skip-Bo — card design matching the Mattel retail print
   ============================================================ */

:root {
  --card-w: 160px;
  --card-h: 224px;
  --card-radius: 10px;

  /* Brand colours — picked to match the Mattel photo */
  --red:        #D32C26;
  --red-lt:     #E33F38;
  --red-dk:     #A41E1A;

  --yellow:     #E4A51D;   /* amber/gold, not bright yellow */
  --yellow-lt:  #F2B93A;
  --yellow-dk:  #B57F0E;

  --green:      #2FA14D;
  --green-lt:   #3FB85B;
  --green-dk:   #1E7A38;

  --blue:       #2F5AA8;   /* wildcard pip only */

  --cream:      #F4ECDD;
  --skipbo-ink: #D93B1F;   /* orange-red of the SKIP BO wordmark */

  --pip-gold:   #F5CF5A;   /* the corner dots on numbered cards */

  --page-bg:    #1c2429;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--page-bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: #e9ecef;
}

.site-header {
  padding: 28px 32px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  background: #141b20;
}
.site-header h1 {
  margin: 0;
  font-size: 32px;
  letter-spacing: 4px;
  font-weight: 900;
  color: var(--skipbo-ink);
  font-style: italic;
  text-transform: uppercase;
}
.site-header .tagline {
  margin: 4px 0 0;
  font-size: 13px;
  color: #9aa6ad;
}

main {
  padding: 24px 32px 64px;
  max-width: 1400px;
  margin: 0 auto;
}

.shape-section { margin-bottom: 32px; }
.shape-section h2 {
  font-size: 14px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #cfd6db;
  margin: 0 0 10px;
  font-weight: 700;
}
.shape-section .count {
  display: inline-block;
  margin-left: 8px;
  background: rgba(255,255,255,0.08);
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  color: #aab3b8;
  font-weight: 500;
  letter-spacing: 1px;
}

.card-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ============================================================
   Card shell
   ============================================================ */

.card {
  width: var(--card-w);
  height: var(--card-h);
  border-radius: var(--card-radius);
  position: relative;
  box-shadow:
    0 1px 2px rgba(0,0,0,0.25),
    0 8px 18px rgba(0,0,0,0.35);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  user-select: none;
  overflow: hidden;
  background: #000;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow:
    0 3px 6px rgba(0,0,0,0.3),
    0 14px 28px rgba(0,0,0,0.45);
}

.card-face {
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

/* ============================================================
   Numbered cards
   ============================================================

   The swirl is three stacked gradients on the face:
     1) base colour gradient (lighter top-left, darker bottom-right)
     2) repeating-conic rays for the subtle sun-burst "spin"
     3) repeating-radial rings for concentric swirl texture
   All three share the same off-centre anchor point so the illusion
   of a single radiating swirl holds together.
   ============================================================ */

.card-num .card-face {
  background:
    /* concentric rings */
    repeating-radial-gradient(
      circle at 32% 38%,
      rgba(255,255,255,0.06) 0 1px,
      transparent 1px 9px
    ),
    /* sunburst rays */
    repeating-conic-gradient(
      from 0deg at 32% 38%,
      rgba(0,0,0,0.07) 0deg 3deg,
      transparent 3deg 7deg
    ),
    /* base colour + vignette */
    radial-gradient(
      circle at 32% 38%,
      var(--base-lt) 0%,
      var(--base) 45%,
      var(--base-dk) 100%
    );
}

.card-red    { --base: var(--red);    --base-lt: var(--red-lt);    --base-dk: var(--red-dk); }
.card-yellow { --base: var(--yellow); --base-lt: var(--yellow-lt); --base-dk: var(--yellow-dk); }
.card-green  { --base: var(--green);  --base-lt: var(--green-lt);  --base-dk: var(--green-dk); }

/* ---------- Corners ---------- */

.corner {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
  line-height: 1;
  z-index: 3;
}
.corner-tl { top: 9px; left: 11px; }
.corner-br {
  bottom: 9px;
  right: 11px;
  transform: rotate(180deg);
  transform-origin: center;
}

.corner-num {
  font-family: "Archivo Black", "Helvetica Neue", "Arial Black", Arial, sans-serif;
  font-weight: 900;
  font-size: 26px;
  color: #fff;
  letter-spacing: -0.5px;
  text-shadow: 0 1px 0 rgba(0,0,0,0.18);
}

.corner-br .corner-num {
  font-size: 24px;
  opacity: 0.95;
}

.corner-dots {
  display: flex;
  gap: 3px;
  padding-left: 1px;
  margin-bottom: 2px;
}
.corner-dots .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--pip-gold);
  box-shadow: 0 0 0 0.5px rgba(0,0,0,0.18);
}
/* Dots on yellow-background cards: darken so they still show contrast */
.card-yellow .corner-dots .dot {
  background: #FFF0B8;
  box-shadow: 0 0 0 0.5px rgba(90,60,0,0.3);
}

/* ---------- Centre number ---------- */

.card-center {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 2;
}

.face-num {
  font-family: "Archivo Black", "Helvetica Neue", "Arial Black", Impact, sans-serif;
  font-weight: 900;
  font-size: 136px;
  color: #fff;
  letter-spacing: -4px;
  line-height: 0.9;
  text-shadow:
    0 2px 0 rgba(0,0,0,0.14),
    0 4px 10px rgba(0,0,0,0.22);
}

/* Two-digit numbers need to fit the same horizontal space */
.card-num[data-digits="2"] .face-num {
  font-size: 108px;
  letter-spacing: -6px;
}

/* ============================================================
   Skip-Bo wildcard
   ============================================================ */

.card-wild .card-face {
  background:
    linear-gradient(
      180deg,
      var(--yellow) 0%,
      var(--yellow) 17%,
      var(--cream)  17%,
      var(--cream)  83%,
      var(--yellow) 83%,
      var(--yellow) 100%
    );
  color: #222;
}

/* Very light texture on the cream panel — was too strong previously. */
.card-wild .card-face::before {
  content: "";
  position: absolute;
  left: 0; right: 0;
  top: 17%; bottom: 17%;
  background:
    repeating-radial-gradient(
      circle at 50% 50%,
      rgba(0,0,0,0.012) 0 1px,
      transparent 1px 18px
    );
  pointer-events: none;
}

/* Wildcard corners: mini SKIP BO wordmark (stacked) + 4 brand pips.
   The corner lives inside the yellow band (top 17% / bottom 17%).  */
.card-wild .corner-tl { top: 7px; left: 9px; }
.card-wild .corner-br { bottom: 7px; right: 9px; }
.card-wild .corner { gap: 2px; }

.wild-corner-dots {
  display: flex;
  gap: 2px;
}
.wild-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.35),
    0 0 0 0.5px rgba(0,0,0,0.15);
}
.wild-dot-red    { background: var(--red); }
.wild-dot-yellow { background: var(--yellow-dk); }
.wild-dot-green  { background: var(--green); }
.wild-dot-blue   { background: var(--blue); }

.corner-wordmark {
  font-family: "Archivo Black", "Helvetica Neue", Arial, sans-serif;
  font-style: italic;
  font-size: 7.5px;
  line-height: 1;
  letter-spacing: 0.3px;
  color: var(--skipbo-ink);
  text-transform: uppercase;
}

/* The big SKIP / BO wordmark — constrained to the cream panel so it
   centers exactly between the yellow bands (not the whole card). */
.wild-center {
  inset: 17% 0;
  flex-direction: column;
  gap: 0;
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

/* Starburst rays behind the wordmark — ringed halo, sits on the same
   centre as the wordmark (i.e. the middle of the cream panel). */
.wild-center::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 160px;
  height: 160px;
  transform: translate(-50%, -50%);
  background: repeating-conic-gradient(
    from -3.75deg at 50% 50%,
    rgba(228, 140, 40, 0.55) 0deg 2.5deg,
    transparent 2.5deg 15deg
  );
  border-radius: 50%;
  -webkit-mask: radial-gradient(circle, #000 12%, rgba(0,0,0,0.55) 42%, transparent 68%);
          mask: radial-gradient(circle, #000 12%, rgba(0,0,0,0.55) 42%, transparent 68%);
  z-index: 0;
  pointer-events: none;
}

.wild-mark {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 0.85;
  position: relative;
  z-index: 1;
}
.wild-mark-line {
  font-family: "Archivo Black", "Helvetica Neue", Arial, sans-serif;
  font-style: italic;
  font-size: 40px;
  letter-spacing: 0.5px;
  color: var(--skipbo-ink);
  text-transform: uppercase;
  text-shadow:
    0 1px 0 rgba(255,255,255,0.55),
    0 2px 0 rgba(0,0,0,0.2);
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 640px) {
  :root { --card-w: 118px; --card-h: 165px; }
  .corner-num { font-size: 20px; }
  .corner-br .corner-num { font-size: 18px; }
  .corner-dots .dot { width: 6px; height: 6px; }
  .wild-dot { width: 4.5px; height: 4.5px; }
  .face-num { font-size: 96px; letter-spacing: -5px; }
  .card-num[data-digits="2"] .face-num { font-size: 76px; letter-spacing: -6px; }
  .wild-mark-line { font-size: 30px; }
  .corner-wordmark { font-size: 7px; }
  main { padding: 16px; }
}