/* ─── Tokens ─────────────────────────────────────────────── */
:root {
  --bg:         #fdf6f0;
  --bg-accent:  #fff8f2;
  --primary:    #ff6b6b;
  --secondary:  #ffd93d;
  --success:    #6bcb77;
  --info:       #4d96ff;
  --card-back:  #ff6b6b;
  --card-front: #fff8f2;
  --card-shadow: rgba(255, 107, 107, 0.25);
  --text:       #2d2d2d;
  --text-muted: #9e9e9e;
  --radius:     18px;
  --font-display: 'Fredoka One', cursive;
  --font-body:    'Nunito', sans-serif;
}

/* ─── Reset / Base ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

body {
  background-color: var(--bg);
  background-image:
    radial-gradient(circle at 10% 20%, rgba(255,107,107,0.08) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(77,150,255,0.08) 0%, transparent 40%);
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--text);
  padding-bottom: 3rem;
}

/* ─── Header ─────────────────────────────────────────────── */
header {
  text-align: center;
  padding: 2.5rem 1rem 1rem;
}

.game-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4rem);
  color: var(--primary);
  letter-spacing: 1px;
  margin: 0;
  text-shadow: 3px 4px 0 rgba(255,107,107,0.18);
}

.game-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin: 0.25rem 0 0;
  font-weight: 600;
}

/* ─── Scoreboard ─────────────────────────────────────────── */
.scoreboard {
  margin: 1.5rem auto 0.5rem;
  max-width: 560px;
}

.score-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 0.65rem 1.6rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 4px 18px rgba(0,0,0,0.07);
  min-width: 110px;
  transition: transform .2s;
}

.score-card:hover { transform: translateY(-2px); }

.score-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-muted);
}

.score-value {
  font-family: var(--font-display);
  font-size: 1.7rem;
  color: var(--primary);
  line-height: 1.1;
}

/* ─── Board ──────────────────────────────────────────────── */
.board-wrapper {
  max-width: 680px;
  margin: 1.8rem auto 0;
}

.board {
  --cols: 4;
  display: grid;
  grid-template-columns: repeat(var(--cols), 1fr);
  gap: 14px;
}

@media (max-width: 480px) {
  .board { --cols: 3; }
}

/* ─── Karte ──────────────────────────────────────────────── */
.card-wrapper {
  aspect-ratio: 3 / 4;
  perspective: 900px;
  cursor: pointer;
}

.card-inner {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: var(--radius);
}

.card-wrapper.flipped .card-inner {
  transform: rotateY(180deg);
}

.card-front,
.card-back {
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Rückseite */
.card-back {
  background: var(--card-back);
  background-image:
    repeating-linear-gradient(
      45deg,
      rgba(255,255,255,0.07) 0px,
      rgba(255,255,255,0.07) 2px,
      transparent 2px,
      transparent 12px
    );
  box-shadow: 0 6px 20px var(--card-shadow);
  font-size: 1.8rem;
  color: rgba(255,255,255,0.5);
  border: 3px solid rgba(255,255,255,0.2);
}

.card-back::after {
  content: "✦";
  font-size: 1.5rem;
  color: rgba(255,255,255,0.55);
}

/* Vorderseite */
.card-front {
  background: var(--card-front);
  transform: rotateY(180deg);
  box-shadow: 0 6px 20px rgba(0,0,0,0.08);
  border: 3px solid #ffe5e5;
  font-size: clamp(1.8rem, 5vw, 2.6rem);
}

/* Matched-Zustand */
.card-wrapper.matched .card-front {
  background: linear-gradient(135deg, #e8fbe8, #c8f7c5);
  border-color: var(--success);
  box-shadow: 0 6px 24px rgba(107,203,119,0.35);
}

/* Hover-Effekt (nur nicht-aufgedeckte) */
.card-wrapper:not(.flipped):not(.matched):hover .card-inner {
  transform: rotateY(15deg) scale(1.04);
}

/* Geblockt */
.card-wrapper.blocked { cursor: not-allowed; }

/* ─── Controls ────────────────────────────────────────────── */
.controls {
  margin-top: 2rem;
}

.btn-restart {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: #fff;
  background: var(--primary);
  border: none;
  border-radius: 50px;
  padding: 0.65rem 2.2rem;
  cursor: pointer;
  box-shadow: 0 5px 18px var(--card-shadow);
  transition: transform .18s, box-shadow .18s;
  letter-spacing: 0.5px;
}

.btn-restart span {
  display: inline-block;
  transition: transform .35s;
}

.btn-restart:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--card-shadow);
}

.btn-restart:hover span { transform: rotate(-180deg); }
.btn-restart:active { transform: scale(0.96); }

/* ─── jQuery-UI Dialog Override ───────────────────────────── */
.ui-dialog {
  border: none !important;
  border-radius: 24px !important;
  box-shadow: 0 24px 60px rgba(0,0,0,0.18) !important;
  overflow: hidden;
  font-family: var(--font-body) !important;
}

.ui-dialog .ui-dialog-titlebar {
  background: var(--primary) !important;
  border: none !important;
  border-radius: 0 !important;
  padding: 1rem 1.4rem !important;
  font-family: var(--font-display) !important;
  font-size: 1.2rem !important;
  color: #fff !important;
}

.ui-dialog .ui-dialog-titlebar-close {
  background: rgba(255,255,255,0.25) !important;
  border: none !important;
  border-radius: 50% !important;
  color: #fff !important;
  top: 50% !important;
  transform: translateY(-50%) !important;
}

.ui-dialog .ui-dialog-content {
  padding: 1.8rem !important;
}

.ui-dialog .ui-dialog-buttonpane {
  border-top: 1px solid #f0f0f0 !important;
  background: #fff !important;
  padding: 0.8rem 1.4rem !important;
}

.ui-dialog .ui-button {
  font-family: var(--font-display) !important;
  background: var(--primary) !important;
  color: #fff !important;
  border: none !important;
  border-radius: 50px !important;
  padding: 0.5rem 1.6rem !important;
  font-size: 1rem !important;
  cursor: pointer !important;
  transition: opacity .2s !important;
}

.ui-dialog .ui-button:hover { opacity: 0.88 !important; }

/* ─── Win-Content ─────────────────────────────────────────── */
.win-content { text-align: center; }

.win-emoji {
  font-size: 3.5rem;
  animation: bounce-in 0.6s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

@keyframes bounce-in {
  0%   { transform: scale(0); opacity: 0; }
  60%  { transform: scale(1.25); opacity: 1; }
  80%  { transform: scale(0.9); }
  100% { transform: scale(1); }
}

.win-text {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--text);
  margin: 0.5rem 0 1.2rem;
}

.win-stats {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.win-stat {
  background: var(--bg);
  border-radius: 14px;
  padding: 0.6rem 1.4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 90px;
}

.win-stat-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
}

.win-stat-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--primary);
}