*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --card-size-small: 45px;
  --card-size-medium: 60px;
  --card-size-large: 80px;
  --card-font-size-small: 20px;
  --card-font-size-medium: 30px;
  --card-font-size-large: 40px;

  /* Dynamic scaling using clamp */
  --card-size-large-dynamic: clamp(40px, 8vw, 80px);
  --card-size-medium-dynamic: clamp(30px, 7vw, 60px);
  --card-size-small-dynamic: clamp(20px, 6vw, 45px);
  --card-font-size-large-dynamic: clamp(20px, 4vw, 40px);
  --card-font-size-medium-dynamic: clamp(15px, 3.2vw, 30px);
  --card-font-size-small-dynamic: clamp(10px, 2.5vw, 20px);
}

body {
  font-family: "Lato", sans-serif;
  font-size: 16px;
  margin: 0;
  height: 100vh;
  overflow: hidden; /* Hide overflow to prevent scrolling */
}

#welcome-screen {
  height: 100vh;
  width: 100vw; /* Ensure it covers the full viewport */
  display: flex;
  justify-content: center;
  align-items: center;
  background: url("./image/memory_game.png") no-repeat center center fixed;
  background-size: cover;
  padding: 20px;
  overflow: hidden; /* Hide overflow to prevent scrolling */
}

.glass-card {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  padding: 20px;
  width: 60rem;
  height: 40rem;
  max-width: 600px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.9);
  -webkit-backdrop-filter: blur(20px);
  -moz-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  color: #033043;
  font-weight: bold;
}

h1,
p {
  font-family: "Poetsen One", sans-serif;
  color: #003554;
  font-weight: bold;
  font-size: 1.5rem; /* Default font size */
}

label {
  padding-bottom: 0.65rem;
}

.glass-card ul {
  text-align: left;
  padding: 0;
  margin: 0;
}

ul li {
  padding-bottom: 5px;
  list-style: disc;
}

#gameContainer {
  display: grid;
  gap: 5px; /* Reduced gap for better fit */
  margin-top: 20px;
}

.btn-class-name {
  --primary: 255, 90, 120;
  --secondary: 150, 50, 60;
  width: 60px;
  height: 50px;
  border: none;
  outline: none;
  cursor: pointer;
  -webkit-user-select: none;
  user-select: none;
  touch-action: manipulation;
  outline: 10px solid rgb(var(--primary), 0.5);
  border-radius: 100%;
  position: relative;
  transition: 0.3s;
}

.btn-class-name .back {
  background: rgb(var(--secondary));
  border-radius: 100%;
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}

.btn-class-name .front {
  background: linear-gradient(
    0deg,
    rgba(var(--primary), 0.6) 20%,
    rgba(var(--primary)) 50%
  );
  box-shadow: 0 0.5em 1em -0.2em rgba(var(--secondary), 0.5);
  border-radius: 100%;
  position: absolute;
  border: 1px solid rgb(var(--secondary));
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.2rem;
  font-weight: 600;
  font-family: inherit;
  transform: translateY(-15%);
  transition: 0.15s;
  color: rgb(var(--secondary));
}

.btn-class-name:active .front {
  transform: translateY(0%);
  box-shadow: 0 0;
}

.stop-back {
  display: none;
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 10px 20px;
  background-color: #ff5a78;
  color: #96323c;
  border: 1px solid #ff5a78;
  border-radius: 5px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: bold;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.9);
}

.stop-back:hover {
  background-color: #fbbc10;
  color: #033043;
  border: 1px solid #fbbc10;
}

.card {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #ccc;
  cursor: pointer;
  font-size: var(--card-font-size-medium);
}

.card.open {
  background-color: #fff;
}

.card.matched {
  background-color: #8bc34a;
  pointer-events: none;
}

#gameContainer[data-size="4x4"] .card,
#gameContainer[data-size="6x6"] .card {
  width: var(--card-size-large-dynamic);
  height: var(--card-size-large-dynamic);
  font-size: var(--card-font-size-large-dynamic);
}

#gameContainer[data-size="8x8"] .card {
  width: var(--card-size-medium-dynamic);
  height: var(--card-size-medium-dynamic);
  font-size: var(--card-font-size-medium-dynamic);
}

#gameContainer[data-size="10x10"] .card,
#gameContainer[data-size="12x12"] .card {
  width: var(--card-size-small-dynamic);
  height: var(--card-size-small-dynamic);
  font-size: var(--card-font-size-small-dynamic);
}

/* Add to existing CSS */

.blur {
  filter: blur(15px);
}

#game-screen {
  background-color: #335b79;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

#timer {
  display: none;
  margin-top: 20px;
  font-size: 1.5rem;
}

.hidden {
  display: none;
}

.modal {
  display: none;
  position: fixed;
  z-index: 1;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.4);
}

.modal-content {
  background-color: #aad5f5;
  margin: 10% auto;
  padding: 20px;
  border: 1px solid #aad5f5;
  border-radius: 5px;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.9);
  width: 80%;
  max-width: 500px;
  text-align: center;
}

.start-game,
.home {
  margin: 10px;
  padding: 10px 20px;
  cursor: pointer;
  background-color: #ff5a78;
  color: #96323c;
  border: 1px solid #ff5a78;
  border-radius: 5px;
  font-weight: bold;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.9);
}

.start-game:hover,
.home:hover {
  background-color: #fbbc10;
  color: #033043;
  border: 1px solid #fbbc10;
}

.modal.hidden {
  display: none;
}

/* Ensure the gaps between cards are also responsive */
#gameContainer {
  gap: clamp(3px, 1vw, 5px);
}

h1,
p {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
}