* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: #000;
  overflow: hidden;
  font-family: 'Orbitron', sans-serif;
  color: #fff;
  width: 100vw;
  height: 100vh;
}

#canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 1;
  pointer-events: none;
}

#audio-player {
  display: none;
}

#ui-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  pointer-events: none;
  z-index: 9000;
  padding: 20px;
}

#header {
  text-align: center;
}

#logo {
  font-size: 1.4rem;
  font-weight: 900;
  letter-spacing: 0.3em;
  color: #00ffe7;
  text-shadow: 0 0 20px #00ffe7, 0 0 40px #00ffe788;
  opacity: 0.8;
}

#controls {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
  z-index: 9999;
}

#btn-mic,
#btn-upload {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #00ffe7;
  padding: 8px 16px;
  border-radius: 8px;
  font-family: 'Orbitron', sans-serif;
  font-size: 0.7rem;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.1em;
}

#btn-mic:hover,
#btn-upload:hover {
  background: rgba(0, 255, 231, 0.1);
  border-color: #00ffe7;
  box-shadow: 0 0 15px #00ffe744;
}

#btn-mic.active {
  background: rgba(255, 45, 120, 0.15);
  border-color: #ff2d78;
  color: #ff2d78;
  box-shadow: 0 0 15px #ff2d7844;
}

#mode-toggle {
  display: flex;
  gap: 2px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.mode-btn {
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.4);
  padding: 8px 14px;
  font-family: 'Orbitron', sans-serif;
  font-size: 0.6rem;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.05em;
}

.mode-btn:hover {
  color: rgba(255, 255, 255, 0.7);
}

.mode-btn.active {
  background: rgba(0, 255, 231, 0.12);
  color: #00ffe7;
  text-shadow: 0 0 10px #00ffe788;
}

#status-bar {
  position: fixed;
  bottom: 20px;
  left: 20px;
  display: flex;
  gap: 16px;
  align-items: center;
  pointer-events: none;
  z-index: 9999;
}

#status-text {
  font-size: 0.55rem;
  color: rgba(255, 255, 255, 0.35);
  letter-spacing: 0.1em;
}

#bpm-display {
  font-size: 0.75rem;
  font-weight: 700;
  color: #ffd200;
  text-shadow: 0 0 12px #ffd20088;
  letter-spacing: 0.1em;
}

/* --- Recording controls --- */
#rec-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

#format-toggle {
  display: flex;
  gap: 2px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.format-btn {
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.4);
  padding: 8px 12px;
  font-family: 'Orbitron', sans-serif;
  font-size: 0.6rem;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.05em;
}

.format-btn:hover {
  color: rgba(255, 255, 255, 0.7);
}

.format-btn.active {
  background: rgba(255, 210, 0, 0.12);
  color: #ffd200;
  text-shadow: 0 0 10px #ffd20088;
}

#btn-rec {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #ff2d78;
  padding: 8px 16px;
  border-radius: 8px;
  font-family: 'Orbitron', sans-serif;
  font-size: 0.7rem;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.1em;
}

#btn-rec:hover {
  background: rgba(255, 45, 120, 0.1);
  border-color: #ff2d78;
  box-shadow: 0 0 15px #ff2d7844;
}

#btn-rec.recording {
  background: rgba(255, 45, 120, 0.2);
  border-color: #ff2d78;
  box-shadow: 0 0 20px #ff2d7866;
  animation: rec-pulse 1.2s ease-in-out infinite;
}

.rec-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: #ff2d78;
  border-radius: 50%;
  box-shadow: 0 0 6px #ff2d78;
}

.rec-dot.blink {
  animation: rec-blink 1s ease-in-out infinite;
}

@keyframes rec-pulse {
  0%, 100% { box-shadow: 0 0 15px #ff2d7844; }
  50% { box-shadow: 0 0 30px #ff2d78aa; }
}

@keyframes rec-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.2; }
}

/* --- Recording timer --- */
#rec-timer {
  position: fixed;
  top: 70px;
  right: 30px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid #ff2d78;
  border-radius: 8px;
  padding: 6px 14px;
  pointer-events: none;
  z-index: 20;
}

#rec-time {
  font-size: 0.8rem;
  font-weight: 700;
  color: #ff2d78;
  text-shadow: 0 0 8px #ff2d7888;
  letter-spacing: 0.1em;
}

/* --- Export overlay --- */
#export-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
}

#export-panel {
  text-align: center;
  padding: 40px 50px;
  border: 1px solid rgba(0, 255, 231, 0.2);
  border-radius: 16px;
  background: rgba(0, 0, 0, 0.7);
  box-shadow: 0 0 40px rgba(0, 255, 231, 0.1);
}

#export-panel h2 {
  font-size: 1.2rem;
  color: #00ffe7;
  text-shadow: 0 0 15px #00ffe788;
  margin-bottom: 12px;
  letter-spacing: 0.2em;
}

#export-info {
  font-size: 0.6rem;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 24px;
  letter-spacing: 0.08em;
}

#export-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

#btn-download {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 255, 231, 0.12);
  border: 1px solid #00ffe7;
  color: #00ffe7;
  padding: 10px 24px;
  border-radius: 8px;
  font-family: 'Orbitron', sans-serif;
  font-size: 0.7rem;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.1em;
}

#btn-download:hover {
  background: rgba(0, 255, 231, 0.2);
  box-shadow: 0 0 20px #00ffe744;
}

#btn-discard {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.4);
  padding: 10px 24px;
  border-radius: 8px;
  font-family: 'Orbitron', sans-serif;
  font-size: 0.7rem;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.1em;
}

#btn-discard:hover {
  color: rgba(255, 255, 255, 0.7);
  border-color: rgba(255, 255, 255, 0.3);
}

.hidden {
  display: none !important;
}

/* --- Canvas letterbox for recording --- */
#canvas.letterbox {
  width: auto;
  height: auto;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

@media (max-width: 600px) {
  #logo {
    font-size: 1rem;
  }
  #controls {
    gap: 8px;
  }
  #btn-mic,
  #btn-upload {
    padding: 6px 12px;
    font-size: 0.6rem;
  }
  .mode-btn {
    padding: 6px 10px;
    font-size: 0.5rem;
  }
}