/* General body styling */
body {
  font-family: "Roboto", sans-serif;
  display: flex;
  background-color: var(--bg-color);
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  margin: 0;
  color: var(--text-color);
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Container styling */
.container {
  max-width: 90%;
  background-color: var(--container-bg);
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease-in-out;
}
.container:hover {
  transform: scale(1.02);
}

/* Scoreboard styling */
.scoreboard {
  display: block;
  position: fixed;
  top: 15px;
  right: 15px;
  background-color: var(--scoreboard-bg);
  box-shadow: 0px 4px 12px rgba(0, 0, 0, 0.1);
  padding: 20px;
  border-radius: 12px;
  font-size: 18px;
  color: var(--text-color);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.scoreboard:hover {
  box-shadow: 0px 8px 16px rgba(0, 0, 0, 0.2);
  transform: scale(1.02);
}
.scoreboard p {
  margin: 5px 0;
  font-weight: bold;
}
.scoreboard p span {
  display: inline-block;
  font-size: 20px;
  color: #1E88E5;
  font-weight: 600;
  animation: lifePulse 1.5s infinite;
  text-shadow: 0 0 5px rgba(30, 136, 229, 0.8), 0 0 10px rgba(30, 136, 229, 0.6);
}

/* Layout styling */
.layout {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

/* Draggable container styling */
.draggable-container {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: flex-start;
  margin-right: 20px;
}

/* Draggable styling */
.draggable {
  width: 140px;
  height: 140px;
  background-color: var(--draggable-bg);
  border: 2px solid #1E88E5;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  z-index: 5;
  box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.1);
  transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}
.draggable img {
  max-width: 90%;
  max-height: 90%;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.draggable:hover {
  background-color: #5c6bc0;
  transform: translateY(-10px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}
.draggable:active {
  transform: scale(0.95);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}
.draggable.can-drop {
  background-color: #81c784;
  transform: scale(1.1);
}
.draggable.wrong-drop {
  background-color: #e57373;
  transform: scale(0.9);
}
.draggable:focus-visible {
  outline: 3px dashed #1E88E5;
  outline-offset: 4px;
  transition: outline 0.2s ease;
}
.draggable:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  z-index: -1;
  transition: box-shadow 0.3s ease;
}
.draggable:hover:before {
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}
.draggable:active:before {
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
}

/* Dropzone styling */
.dropzone {
  width: 300px;
  height: 300px;
  background-color: var(--dropzone-bg);
  border: 3px dashed #1E88E5;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: #1E88E5;
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
  transition: background-color 0.3s ease, transform 0.3s ease;
  animation: pulse 2s infinite ease-in-out;
}
.dropzone.dragover {
  background-color: #a7ffeb;
  transform: scale(1.05);
}
.dropzone.drop-target {
  background-color: #bcf8b9;
  border-color: #81c784;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}
.dropzone.wrong-drop {
  background-color: #e57373;
  border-color: #e60000;
}
.dropzone:focus-visible {
  outline: 2px solid #1E88E5;
  outline-offset: 4px;
}

/* Message styling */
.message {
  font-size: 20px;
  color: #e57373;
  text-align: center;
  margin-top: 20px;
  animation: fadeInOut 3s ease;
}

/* Start button */
.start-button {
  background-color: #29b6f6;
  border: none;
  border-radius: 12px;
  font-size: 18px;
  padding: 15px 30px;
  color: white;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}
.start-button:hover {
  background-color: #039be5;
  transform: translateY(-5px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}
.start-button:active {
  background-color: #0288d1;
  transform: scale(0.98);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}
.start-button:focus-visible {
  outline: 3px dashed #0288d1;
  outline-offset: 4px;
}

/* Toggle switch styling */
.theme-toggle {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 34px;
  margin-right: 15px;
  margin-top: 2px;
  vertical-align: middle;
}

.theme-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  transition: .4s;
  border-radius: 34px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 26px;
  width: 26px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: #1E88E5;
}

input:checked + .slider:before {
  transform: translateX(26px);
}

.slider.round {
  border-radius: 34px;
}

.slider.round:before {
  border-radius: 50%;
}

/* Toggle label styling */
.toggle-label {
  font-size: 18px;
  color: #9f9f9f;
  vertical-align: middle;
  padding-left: 10px;
  font-weight: 600;
}

/* Light and dark mode */
:root {
  --bg-color: #fafafa;
  --text-color: #212121;
  --container-bg: #fff;
  --scoreboard-bg: #f0f0f0;
  --draggable-bg: #e0e0e0;
  --dropzone-bg: #b2ebf2;
  --primary-color: #1E88E5;
  --primary-color-hover: #039be5;
}
[data-theme="dark"] {
  --bg-color: #212121;
  --text-color: #e0e0e0;
  --container-bg: #333;
  --scoreboard-bg: #424242;
  --draggable-bg: #424242;
  --dropzone-bg: #37474f;
}

/* Keyframes for animations */
@keyframes lifePulse {
  0% {
      opacity: 1;
      transform: scale(1);
  }
  50% {
      opacity: 0.5;
      transform: scale(1.1);
  }
  100% {
      opacity: 1;
      transform: scale(1);
  }
}
@keyframes pulse {
  0% {
      transform: scale(1);
  }
  50% {
      transform: scale(1.05);
  }
  100% {
      transform: scale(1);
  }
}
@keyframes fadeInOut {
  0% {
      opacity: 0;
  }
  50% {
      opacity: 1;
  }
  100% {
      opacity: 0;
  }
}

/* Landing page specific styles */
.landing-container {
  text-align: center;
  background-color: var(--container-bg);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: background-color 0.3s ease;
}

h1 {
  color: var(--text-color); 
  margin-bottom: 1rem;
}

p {
  color: var(--text-color); 
  margin-bottom: 2rem;
}

.start-game-btn {
  background-color: var(--primary-color);
  border: none;
  border-radius: 12px;
  font-size: 18px;
  padding: 15px 30px;
  color: white;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.start-game-btn:hover {
  background-color: var(--primary-color-hover);
  transform: translateY(-5px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}

.difficulty-select {
  margin-bottom: 1rem;
}

.theme-toggle-container {
  position: absolute;
  top: 20px;
  right: 20px;
}

/* Timer styling */
.timer {
  font-size: 24px;
  font-weight: bold;
  text-align: center;
  margin-top: 20px;
  color: var(--text-color);
}