:root {
  --bg-gradient-start: #160028;
  --bg-gradient-end: #00182e;
  --primary-cyan: rgb(20 255 255 / 0.8);
  --primary-cyan-hover: #007396;
  --secondary-cyan: #1ecbff;
  --secondary-cyan-hover: #0081ac;
  --overlay-bg: rgb(0 0 0 / 0.7);
  --text-white: #fff;
  
  --text-shadow-purple: 1px 3px #19003ba1;
  --text-shadow-large: 1px 8px #5400caa1;
  --box-shadow-default: 0 4px 8px rgb(0 0 0 / 0.5);
  --box-shadow-hover: 0 8px 16px rgb(0 0 0 / 0.7);

  --font-main: 'MinecraftFive', sans-serif;
  --base-radius: 8px;
}

@font-face {
  font-family: 'MinecraftFive';
  src: url('static/MinecraftFive.ttf');
  font-display: swap;
}

body {
  margin: 0;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));
  font-size: 16px;
  user-select: none;
}

button {
  font-family: var(--font-main);
  text-shadow: var(--text-shadow-purple);
  user-select: none;
  cursor: pointer;
  border: none;
}

h1 {
  user-select: none;
}

#video-container {
  position: relative;
  width: 100%;
  height: 100vh;
  display: none;
}

video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background-color: #000;
}

#controls {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 40px);
  max-width: 600px;
  
  display: flex;
  align-items: center;
  padding: 10px 20px;
  
  background-color: var(--overlay-bg);
  border-radius: 10px;
  
  /* Transition for fade effect */
  opacity: 0;
  transition: opacity 0.5s ease;
}

/* Specific Control Buttons */
.control-btn {
  padding: 12px;
  background-color: var(--primary-cyan);
  color: var(--text-white);
  font-size: 1.5rem;
  border-radius: var(--base-radius);
  transition: background-color 0.3s ease;
}

.control-btn:hover {
  background-color: var(--primary-cyan-hover);
}

/* Icons adjustment */
#playPauseBtn i,
#fullscreenBtn i {
  width: 24px;
  height: 24px;
  display: inline-block;
  text-align: center;
}

/* Time Display */
#timeDisplay {
  color: var(--text-white);
  font-family: var(--font-main);
  font-size: 1.1rem;
  text-align: center;
  text-shadow: 1px 3px #5400caa1;
  
  margin: 5px;
  min-width: 115px;
}

#progress {
  flex-grow: 1; /* Allows bar to fill remaining space */
  height: 16px;
  margin-left: 10px;
  
  background-color: rgb(255 255 255 / 0.3);
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
}

#progress-bar {
  width: 0;
  height: 100%;
  background-color: var(--secondary-cyan);
  border-radius: 10px;
}

#progress:hover #progress-bar {
  background-color: var(--secondary-cyan-hover);
}

#backBtnContainer {
  position: absolute;
  top: 20px;
  left: 20px;
  z-index: 10;
  opacity: 0;
  transition: opacity 0.5s ease;
}

#backBtn {
  padding: 12px;
  background-color: var(--primary-cyan);
  color: var(--text-white);
  font-size: 1.5rem;
  border-radius: var(--base-radius);
  transition: background-color 0.3s ease;
}

#backBtn:hover {
  background-color: var(--primary-cyan-hover);
}

#selection-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  width: 100%;
  padding: 10px;
  box-sizing: border-box;
}

.selection-grid {
  display: flex;
  flex-direction: row;
  gap: 20px;
  justify-content: center;
  align-items: center;
  width: 100%;
  max-width: 1200px;
}

#selection-container h1 {
  font-family: var(--font-main);
  font-size: 3.5rem;
  color: var(--text-white);
  text-shadow: var(--text-shadow-large);
  margin-bottom: 30px;
  text-align: center;
}

#selection-container button {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  
  flex: 1 1 300px; 
  max-width: 450px;
  
  padding: 15px;
  background-color: rgb(0 240 240 / 0.8);
  color: var(--text-white);
  font-size: 1.2rem;
  border-radius: var(--base-radius);
  box-shadow: var(--box-shadow-default);
  transition: transform 0.2s, background-color 0.3s, box-shadow 0.3s;
}

#selection-container button:hover {
  background-color: var(--primary-cyan-hover);
  box-shadow: var(--box-shadow-hover);
  transform: translateY(-2px);
}

#selection-container button img {
  width: 100%;
  height: auto;
  max-height: 30vh;
  object-fit: cover;
  margin-top: 15px;
  border-radius: var(--base-radius);
  transition: transform 0.3s ease;
}

#selection-container button:hover img {
  transform: scale(1.05);
}

@media (max-width: 850px) {
  .selection-grid {
    flex-direction: column;
  }

  #selection-container h1 {
    font-size: 2rem;
    margin-bottom: 20px;
  }
  
  #selection-container button {
    width: 100%;
    max-width: 400px;
    flex: none;
  }

  #selection-container button img {
    max-height: 180px;
  }
}

body.hide-cursor {
  cursor: none;
}

@media (max-width: 650px) {
  #playPauseBtn,
  #backBtn {
    font-size: 1.2rem;
  }
  
  #backBtnContainer {
    top: 10px;
    left: 10px;
  }

  #controls {
    bottom: 150px;
  }
}