/* Cyber theme variables */
:root {
  --terminal-cyan: #22d3ee;
  --terminal-purple: #c084fc;
  --terminal-purple-dark: #a855f7;
  --terminal-border: rgba(168, 85, 247, 0.3);
  --terminal-bg: rgba(26, 26, 26, 0.8);
  --dark-bg: #0a0a0a;
}

body {
  position: relative;
  font-family: 'Courier New', Courier, monospace;
  text-align: center;
  margin: 0;
  padding: 0;
  background: var(--dark-bg);
  color: #f5d0fe;
  color-scheme: dark;
  padding-bottom: 20px;
}

h1 {
  background: #0891b2;
  color: #e9d5ff;
  padding: 0.75rem;
  margin: 0;
  font-weight: 600;
  letter-spacing: 1px;
  font-size: 1.25rem;
  border-bottom: 2px solid var(--terminal-purple);
  font-family: 'Courier New', Courier, monospace;
  text-transform: uppercase;
}

.buttons {
  margin: 1.5rem auto;
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Консольный стиль кнопок */
button {
  font-family: 'Courier New', Courier, monospace;
  margin: 0;
  padding: 0.6rem 1.2rem;
  font-size: 1rem;
  cursor: pointer;
  background: transparent;
  border: 2px solid var(--terminal-purple-dark);
  color: var(--terminal-cyan);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: 0.25rem;
  transition: all 0.2s ease;
}

button:hover {
  background: rgba(168, 85, 247, 0.15);
  border-color: var(--terminal-cyan);
  color: #ffffff;
  box-shadow: 0 0 10px rgba(34, 211, 238, 0.5);
}

#notesCanvas {
  display: block;
  background: rgba(10, 10, 10, 0.9);
  width: 90vw;         /* адаптивная ширина ~90% экрана */
  max-width: 400px;    /* не больше 400px */
  height: 70vh;        
  max-height: 700px;
  margin: 1.5rem auto 0 auto;
  border: 2px solid var(--terminal-purple-dark);
  border-radius: 0.25rem;
}

#grayFooter {
  background: var(--terminal-bg);
  border: 2px solid var(--terminal-border);
  width: 90vw;
  max-width: 400px;
  position: relative;
  margin: 0 auto;
  margin-bottom: 20px;
  border-radius: 0.25rem;
  transition: all 0.2s ease;
}

#grayFooter:hover {
  border-color: var(--terminal-purple);
}

#grayFooterTitle {
  padding-top: 0.5rem;
  font-weight: 600;
  text-align: center;
  max-width: 100%;
  overflow: hidden;
  color: var(--terminal-cyan);
  font-family: 'Courier New', Courier, monospace;
}

#grayFooterTimer {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  font-size: 0.9rem;
  color: var(--terminal-purple);
  font-weight: 500;
  font-family: 'Courier New', Courier, monospace;
}

#grayFooterPauseWrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
  padding-bottom: 0.5rem;
}

#grayFooterPauseWrapper button {
  font-size: 1.4rem;
  cursor: pointer;
  background: transparent;
  border: 2px solid var(--terminal-purple-dark);
  color: var(--terminal-cyan);
  font-weight: 600;
  border-radius: 0.25rem;
  padding: 0.5rem 0.75rem;
  margin: 0;
  transition: all 0.2s ease;
  font-family: 'Courier New', Courier, monospace;
}

#grayFooterPauseWrapper button:hover {
  background: rgba(168, 85, 247, 0.15);
  border-color: var(--terminal-cyan);
  color: #ffffff;
  box-shadow: 0 0 10px rgba(34, 211, 238, 0.5);
}

#btnPauseResume {
  font-size: 1.4rem;
  cursor: pointer;
  background: transparent;
  border: 2px solid var(--terminal-purple-dark);
  color: var(--terminal-cyan);
  font-weight: 600;
  border-radius: 0.25rem;
  padding: 0.5rem 0.75rem;
  transition: all 0.2s ease;
  font-family: 'Courier New', Courier, monospace;
}

#btnPauseResume:hover {
  background: rgba(168, 85, 247, 0.15);
  border-color: var(--terminal-cyan);
  color: #ffffff;
  box-shadow: 0 0 10px rgba(34, 211, 238, 0.5);
}

#songAndPreview {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  justify-content: center;
  width: 90vw;
  max-width: 400px;
  margin: 1.5rem auto 0 auto;
  gap: min(1vw, 10px);
}

#songListContainer {
  flex: 1;
  max-width: 400px;
  background: var(--terminal-bg);
  border: 2px solid var(--terminal-border);
  border-radius: 0.25rem;
  display: inline-block;
  text-align: left;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 0.75rem;
  box-sizing: border-box;
  color: var(--terminal-purple);
  transition: all 0.2s ease;
  font-family: 'Courier New', Courier, monospace;
}

#songListContainer:hover {
  border-color: var(--terminal-purple);
}

#songListContainer > div {
  padding: 0.6rem 0.75rem;
  margin: 0.25rem 0;
  border-radius: 0.25rem;
  transition: all 0.2s ease;
  cursor: pointer;
  border: 1px solid var(--terminal-border);
}

#songListContainer > div:hover {
  background: rgba(168, 85, 247, 0.1);
  color: var(--terminal-cyan);
  border-color: var(--terminal-purple);
}

#previewBlock {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: min(1vh, 10px);
  margin-top: min(2vh, 20px);
}

#startGuitarDiv {
  margin-top: min(1vh, 10px);
  margin-left: 1.5rem;
  color: var(--terminal-purple);
  font-size: 0.9rem;
  font-family: 'Courier New', Courier, monospace;
}

#musicInBrowserDiv {
  margin-left: 0.25rem;
  color: var(--terminal-purple);
  font-size: 0.9rem;
  font-family: 'Courier New', Courier, monospace;
}

#tempoContainer {
  margin-left: 0.25rem;
  color: var(--terminal-purple);
  font-size: 0.9rem;
  font-family: 'Courier New', Courier, monospace;
}

#presetContainer {
  margin-left: 0.25rem;
  color: var(--terminal-purple);
  font-size: 0.9rem;
  font-family: 'Courier New', Courier, monospace;
}

select {
  font-family: 'Courier New', Courier, monospace;
  background: transparent;
  border: 2px solid var(--terminal-border);
  color: var(--terminal-cyan);
  padding: 0.4rem 0.6rem;
  border-radius: 0.25rem;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.9rem;
  margin-top: 0.25rem;
}

select:hover,
select:focus {
  border-color: var(--terminal-purple);
  background: rgba(168, 85, 247, 0.1);
  outline: none;
}

input[type="checkbox"] {
  accent-color: var(--terminal-purple-dark);
  cursor: pointer;
  width: 1.1rem;
  height: 1.1rem;
  margin-top: 0.25rem;
}

label {
  cursor: pointer;
  color: var(--terminal-purple);
  font-weight: 500;
  font-family: 'Courier New', Courier, monospace;
}

#btnPreview {
  font-family: 'Courier New', Courier, monospace;
  background: transparent;
  border: 2px solid var(--terminal-purple-dark);
  color: var(--terminal-cyan);
  padding: 0.6rem 1.2rem;
  font-size: 0.95rem;
  margin-left: 1.5rem;
  transition: all 0.2s ease;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: 0.25rem;
}

#btnPreview:hover {
  background: rgba(168, 85, 247, 0.15);
  border-color: var(--terminal-cyan);
  color: #ffffff;
  box-shadow: 0 0 10px rgba(34, 211, 238, 0.5);
}