/* Allgemeine Stile */
* {
  padding: 0px;
  margin: 0px;
  box-sizing: border-box;
  list-style: none;
  text-decoration: none;
  color: #000;
  -webkit-text-size-adjust: none;
  font-family: Arial, sans-serif;
  outline: none;
  font-size: 16px;
}

body {
    display: grid;
    min-height: 100vh;
    background-image: url(bg_memory.jpg);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    align-content: center;
    justify-content: center;
	padding-top: 1.5em;
    padding-bottom: 1.5em;
}

/* Container-Stile */
.container {
    display: grid;
    width: 85vw;
    height: auto;
    text-align: center;
    gap: 1em;
    justify-items: center;
}

.controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  /* margin-bottom: 20px; */
  gap: 1em;
}

button {
  padding: 10px 20px;
  font-size: 16px;
  background-color: #4CAF50;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  width: 100%;
}

button:hover {
  background-color: #45a049;
}

.stats {
  background-color: rgba(255, 255, 255, 0.9); /* Leicht transparente weiße Box */
  border-radius: 10px; /* Abgerundete Ecken */
  padding: 15px 20px; /* Angenehmer Innenabstand */
  text-align: center; /* Zentrierte Inhalte */
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2); /* Leichter Schatten für Tiefenwirkung */
  border: 2px solid #ddd; /* Dezente Umrandung */
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 250px;
  /* margin: 10px auto; */ /* Zentrierte Positionierung */
}

.stats p {
  margin: 8px 0;
  font-size: 18px;
  font-weight: bold;
  color: #222;
  text-transform: uppercase; /* Großbuchstaben für modernes Aussehen */
}

.stats span {
  font-size: 20px;
  font-weight: bold;
  color: #ff6600; /* Auffällige Farbe für Highscore & Versuche */
}

.memory-game {
  display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1em;
    max-width: 900px;
    width: 100%;
    perspective: 1000px; /* Wichtig für den 3D-Effekt beim Drehen */
}

.memory-card {
    position: relative;
    width: 100%;
    padding-top: 100%;
    transform: scale(1);
    transition: transform 0.3s;
    cursor: pointer;
    border-radius: 0.2em;
}

.memory-card:hover {
  transform: scale(1.05);
}

.memory-card .front,
.memory-card .back {
  position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 0.2em;
    backface-visibility: hidden;
    transform: rotateY(180deg);
    transition: transform 0.5s ease;
    border: 2px solid #fff; /* Rahmen, damit man die Karten immer sieht */
    box-shadow: 0 4px 8px rgba(0,0,0,0.2); /* Schatten für Tiefe */
}

.memory-card .front {
	width: 100%;
	height: 100%;
	background-image: url('images/rueckseite.jpg');
	background-size: 100% 100%; /* Breite und Höhe des Bildes festlegen */
	background-repeat: no-repeat; /* Verhindert, dass das Bild wiederholt wird */
	background-position: center; /* Bild in der Mitte positionieren */
	transform: rotateY(0); /* Vorderseite sichtbar */
    background-color: #2c3e50; /* Fallback-Farbe (Dunkelblau), falls Bild fehlt */
}
.memory-card .back {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-color: #ecf0f1; /* Fallback-Farbe (Hellgrau) */
}

.memory-card[data-card="1"] .back {
  background-image: url('images/card1.jpg');
}
.memory-card[data-card="2"] .back {
  background-image: url('images/card2.jpg');
}
.memory-card[data-card="3"] .back {
  background-image: url('images/card3.jpg');
}
.memory-card[data-card="4"] .back {
  background-image: url('images/card4.jpg');
}
.memory-card[data-card="5"] .back {
  background-image: url('images/card5.jpg');
}
.memory-card[data-card="6"] .back {
  background-image: url('images/card6.jpg');
}

.memory-card.flip .front {
  transform: rotateY(180deg); /* Vorderseite verstecken */
}

.memory-card.flip .back {
  transform: rotateY(0); /* Rückseite zeigen */
}




/* ============================ MEDIA QUERIES ============================ */

/* Smartphones - Portrait (bis 599px, Hochformat) */
@media screen and (max-width: 599px) and (orientation: portrait) {
  .memory-game {
    width: 100%;
    grid-template-columns: repeat(3, 1fr); /* 3 Spalten für größere Karten auf Handys */
  }
}

/* Smartphones - Landscape (bis 599px, Querformat) */
@media screen and (max-width: 599px) and (orientation: landscape) {
  .memory-game {
    width: 50%;
  }
}

/* Tablet-Ansicht - Portrait (600px bis 1024px, Hochformat) */
@media screen and (min-width: 600px) and (max-width: 1024px) and (orientation: portrait) {
  .memory-game {
    width: 100%;
  }
}

/* Tablet-Ansicht - Landscape (600px bis 1024px, Querformat) */
@media screen and (min-width: 600px) and (max-width: 1024px) and (orientation: landscape) {
  .memory-game {
    width: 50%;
  }
}

/* Desktop-Ansicht - Portrait (ab 1025px, Hochformat) */
@media screen and (min-width: 1025px) and (orientation: portrait) {
  .memory-game {
    width: 100%;
  }
}

/* Desktop-Ansicht - Landscape (ab 1025px, Querformat) */
@media screen and (min-width: 1025px) and (orientation: landscape) {
  .memory-game {
    width: 100%;
  }
}