@import url('https://fonts.googleapis.com/css2?family=VT323&family=Press+Start+2P&display=swap');

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  font-family: 'VT323', monospace;
  background: #000;
  color: #fff;
}

body {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

#three-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

#three-container canvas {
  display: block;
  width: 100%;
  height: 100%;
}

#canvas-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

#p5-container {
  position: relative;
  height: 70vh;
  max-width: 1400px;
  z-index: 2;
  background: rgba(10, 10, 10, 0.5);
  border-radius: 0px;
  display: none; /* Hide the p5 container since we don't need the sequencer */
}

/* 轻微的扫描线效果 - 静谧版 */
#p5-container::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    rgba(255, 255, 255, 0.03) 50%, 
    rgba(255, 255, 255, 0) 50%
  );
  background-size: 100% 4px;
  pointer-events: none;
  z-index: 10;
  opacity: 0.1;
}

/* 微妙的边缘变暗效果 */
#p5-container::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
    ellipse at center,
    rgba(0, 0, 0, 0) 0%,
    rgba(0, 0, 0, 0.3) 90%,
    rgba(0, 0, 0, 0.5) 100%
  );
  pointer-events: none;
  z-index: 10;
  opacity: 0.2;
}

#info {
  position: absolute;
  top: 10px;
  width: 100%;
  text-align: center;
  color: white;
  padding: 10px;
  z-index: 100;
  background-color: rgba(0, 0, 0, 0.5);
  font-family: 'VT323', monospace;
  font-size: 18px;
  letter-spacing: 1px;
}

.controls {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  padding: 15px;
  width: fit-content;
  background: #000;
  border: 2px solid #333;
  border-radius: 0;
  font-family: 'Press Start 2P', cursive;
  font-size: 12px;
}

.controls::before {
  content: "[ CONTROLS ]";
  position: absolute;
  top: -10px;
  left: 20px;
  background: #000;
  padding: 0 10px;
  font-size: 12px;
  color: #fff;
}

#reverse-control {
  display: flex;
  align-items: center;
  justify-content: center;
}

button {
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 400;
  border: 2px solid #333;
  border-radius: 0;
  background: #000;
  color: #fff;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: 'Press Start 2P', cursive;
  text-transform: uppercase;
}

button.play-btn {
  width: 60px;
  height: 60px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0;
}

button.play-btn i {
  font-size: 24px;
}

button.control-btn {
  padding: 10px 15px;
  background-color: #222;
  color: #ddd;
  border-color: #444;
}

button.control-btn i {
  margin-right: 8px;
}

button.control-btn:hover {
  background-color: #333;
  box-shadow: 0 0 5px rgba(255, 255, 255, 0.2);
}

button.active {
  background-color: #333;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.3) inset;
  color: #fff;
}

button:hover {
  background: #333;
  color: #fff;
}

button:active {
  transform: translateY(2px);
}

input[type="range"] {
  -webkit-appearance: none;
  width: 200px;
  height: 6px;
  background: #000;
  border: 1px solid #333;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  background: #fff;
  border: none;
  cursor: pointer;
}

input[type="range"]::-moz-range-thumb {
  width: 16px;
  height: 16px;
  background: #fff;
  border: none;
  cursor: pointer;
}

canvas {
  display: block;
  image-rendering: pixelated;
}

/* 像素风格的标题 - 黑白版 */
.terminal-header {
  position: absolute;
  top: 30px;
  left: 50%;
  transform: translateX(-50%);
  color: #ccc;
  font-family: 'Press Start 2P', cursive;
  font-size: 12px;
  z-index: 3;
  text-align: center;
  line-height: 1.5;
}

/* 闪烁的光标效果 */
.blink {
  animation: blink-animation 1s steps(2, start) infinite;
}

@keyframes blink-animation {
  to {
    visibility: hidden;
  }
}

.pixel-decoration {
  position: absolute;
  color: #575757;
  z-index: 2;
  pointer-events: none;
}

.top-left {
  top: 10px;
  left: 10px;
}

.bottom-right {
  bottom: 10px;
  right: 10px;
}

.key {
  display: inline-block;
  padding: 2px 4px;
  font-size: 0.9em;
  background-color: #333;
  color: #FFF;
  border: 1px solid #555;
  font-family: 'VT323', monospace;
}

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(3px);
  animation: modal-appear 0.3s ease;
  pointer-events: auto;
}

@keyframes modal-appear {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

.modal-content {
  background-color: #111;
  border: 2px solid #444;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255, 255, 255, 0.1) inset;
  width: 90%;
  max-width: 400px;
  padding: 0;
  position: relative;
  font-family: 'VT323', monospace;
  animation: modal-content-appear 0.3s ease-out;
  image-rendering: pixelated;
  pointer-events: auto;
}

@keyframes modal-content-appear {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal-header {
  padding: 15px;
  background-color: #222;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px solid #444;
}

.modal-header h3 {
  margin: 0;
  color: #fff;
  font-family: 'Press Start 2P', cursive;
  font-size: 16px;
  letter-spacing: 1px;
}

.close-btn {
  font-size: 20px;
  cursor: pointer;
  color: #aaa;
  transition: all 0.2s;
}

.close-btn:hover {
  color: #fff;
  transform: scale(1.1);
}

.modal-body {
  padding: 20px;
  color: #eee;
}

.slider-container {
  margin-bottom: 25px;
}

.slider-container label {
  display: block;
  margin-bottom: 10px;
  font-family: 'Press Start 2P', cursive;
  font-size: 14px;
  letter-spacing: 1px;
  color: #aaa;
}

.slider-container label span {
  margin-left: 10px;
  font-family: 'VT323', monospace;
  font-size: 20px;
  color: #fff;
}

.slider-ticks {
  display: flex;
  justify-content: space-between;
  margin-top: 5px;
  color: #666;
  font-size: 12px;
}

.pitch-visual {
  margin-top: 10px;
  height: 60px;
  position: relative;
  border: 1px solid #333;
  overflow: hidden;
}

.keyboard-wrapper {
  position: relative;
  height: 100%;
  width: 100%;
  overflow-x: auto;
  white-space: nowrap;
}

.keyboard-visual {
  display: inline-flex;
  height: 100%;
  min-width: 100%;
}

.modal-btn {
  width: 100%;
  padding: 12px;
  margin-top: 20px;
  background-color: #333;
  color: white;
  border: none;
  cursor: pointer;
  font-family: 'Press Start 2P', cursive;
  font-size: 14px;
  transition: all 0.2s;
  animation: pulse 2s infinite;
}

.modal-btn:hover {
  background-color: #555;
  transform: scale(1.02);
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.2); }
  70% { box-shadow: 0 0 0 5px rgba(255, 255, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0); }
}