sheetmusictrainer/src/App.css

/* App.css */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: var(--color-bg);
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-xl);
  background-color: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.logo {
  font-weight: 700;
  font-size: var(--font-size-lg);
  color: var(--color-primary);
}

.streak-badge {
  background-color: var(--color-primary-dark);
  color: white;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-lg);
  font-weight: 600;
}

.main-stage {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  gap: var(--spacing-xl);
}

.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 850px;
  transition: transform 0.2s ease;
}

.sheet-music-container {
  display: flex;
  justify-content: center;
  width: 100%;
  overflow: hidden;
}

.feedback-area {
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: var(--spacing-md);
}

.success-message {
  color: var(--color-success);
  font-size: var(--font-size-xl);
  font-weight: 800;
}

.instruction-text {
  color: var(--color-text-muted);
}

.error-message {
  color: var(--color-error);
  margin-top: var(--spacing-md);
}

.hint-card {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background-color: var(--color-bg);
  border-radius: var(--radius-sm);
  width: 100%;
  text-align: center;
}

.hint-note {
  font-size: var(--font-size-lg);
  font-weight: bold;
  margin-bottom: var(--spacing-xs);
}

.hint-positions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  justify-content: center;
}

.hint-tag {
  background-color: var(--color-surface);
  border: 1px solid var(--color-text-muted);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.8rem;
  color: var(--color-text-main);
}

/* Force button colors to ensure dark mode visibility */
button {
  color: var(--color-text-main);
}

/* Pitch Monitor Bar */
.pitch-monitor-bar {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.mic-button {
  background-color: var(--color-surface);
  border: 2px solid var(--color-text-muted);
  color: var(--color-text-muted);
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.mic-button:hover {
  background-color: var(--color-bg);
  color: var(--color-text-main);
}

.mic-button.listening {
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: 0 0 15px rgba(var(--hue-primary), 0.3);
}

.pitch-readout {
  display: flex;
  flex-direction: column;
  min-width: 100px;
}

.detected-note {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  color: var(--color-text-muted);
}

.detected-note.match {
  color: var(--color-success);
}

.detected-hz {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* Controls Footer */
.settings-footer {
  background-color: var(--color-surface);
  padding: var(--spacing-md);
  display: flex;
  justify-content: center;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.controls-container {
  display: flex;
  gap: var(--spacing-xl);
  align-items: flex-end;
  flex-wrap: wrap;
  justify-content: center;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.control-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.control-select {
  padding: var(--spacing-sm);
  border-radius: var(--radius-sm);
  border: 1px solid #ddd;
  font-family: inherit;
  font-size: 0.9rem;
  background-color: var(--color-bg);
}

.control-button {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-muted);
  padding: var(--spacing-sm);
  transition: color 0.2s;
}

.control-button.active {
  color: var(--color-primary);
}

/* Animations */
@keyframes pop {
  0% {
    transform: scale(0.8);
    opacity: 0;
  }

  50% {
    transform: scale(1.1);
  }

  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.animate-pop {
  animation: pop 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

/* Switch Button for Metronome */
.switch-button {
  width: 44px;
  height: 24px;
  border-radius: 99px;
  background-color: #ddd;
  position: relative;
  cursor: pointer;
  transition: background-color 0.2s;
  padding: 0;
  border: none;
  display: flex;
  align-items: center;
}

.switch-button.active {
  background-color: var(--color-primary);
}

.switch-thumb {
  width: 18px;
  height: 18px;
  background-color: white;
  border-radius: 50%;
  position: absolute;
  left: 3px;
  transition: transform 0.2s;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.switch-button.active .switch-thumb {
  transform: translateX(17px);
}

/* Hint Button styling - similar to skip button but distinct */
.hint-button {
  background-color: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  padding: 0.5rem 1rem;
  border-radius: 30px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
  font-size: 0.9rem;
}

.hint-button:hover {
  background-color: rgba(var(--hue-primary), 0.1);
  transform: translateY(-2px);
}

.zen-button {
  background-color: transparent;
  border: 2px solid var(--color-text-muted);
  color: var(--color-text-muted);
  padding: 0.5rem 1rem;
  border-radius: 30px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
  font-size: 0.9rem;
}

.zen-button:hover {
  border-color: var(--color-text-main);
  color: var(--color-text-main);
  background-color: rgba(128, 128, 128, 0.1);
  transform: translateY(-2px);
}

.exit-zen-button {
  position: fixed;
  bottom: 20px;
  right: 20px;
  padding: 10px 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-text-muted);
  border-radius: 20px;
  color: var(--color-text-muted);
  cursor: pointer;
  opacity: 0.5;
  transition: all 0.2s;
  z-index: 100;
  font-weight: 600;
  box-shadow: var(--shadow-md);
}

.exit-zen-button:hover {
  opacity: 1;
  color: var(--color-text-main);
  border-color: var(--color-text-main);
  transform: scale(1.05);
}

/* Help Popup */
.help-popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  backdrop-filter: blur(4px);
  animation: fadeIn 0.2s ease-out;
}

.help-popup {
  background-color: var(--color-surface);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 400px;
  width: 90%;
  position: relative;
  border: 1px solid rgba(128, 128, 128, 0.1);
}

.help-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid rgba(128, 128, 128, 0.1);
}

.help-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.shortcut-key {
  background-color: var(--color-bg);
  border: 1px solid rgba(128, 128, 128, 0.2);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: monospace;
  font-weight: bold;
  color: var(--color-text-main);
}

.help-close {
  position: absolute;
  top: 10px;
  right: 10px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-muted);
}

.help-close:hover {
  color: var(--color-text-main);
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

/* Header Adjustments */
.app-header-left {
  display: flex;
  flex-direction: column;
}

.app-subtitle {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-muted);
  margin-top: -4px;
}

.app-subtitle a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s;
}

.app-subtitle a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

.header-controls {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

.icon-button {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-muted);
  padding: 8px;
  border-radius: 50%;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-button:hover {
  background-color: rgba(128, 128, 128, 0.1);
  color: var(--color-text-main);
}

.game-mode-toggle {
  display: flex;
  background-color: var(--color-bg);
  padding: 2px;
  border-radius: 20px;
  border: 1px solid rgba(128, 128, 128, 0.1);
}

.toggle-option {
  padding: 4px 12px;
  border-radius: 16px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  transition: all 0.2s;
}

.toggle-option.active {
  background-color: var(--color-surface);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

/* Mobile Landscape Optimization */
@media (max-height: 500px) and (orientation: landscape) {
  .app-header {
    padding: 4px var(--spacing-md);
  }

  .main-stage {
    padding: 4px;
    flex-direction: row;
    /* Side-by-side if screen is wide enough */
    align-items: stretch;
    gap: var(--spacing-md);
  }

  .card.sheet-music-card {
    max-width: 95vw;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-sm);
  }

  /* Specific adjustment for sheet music container */
  .sheet-music-container {
    width: auto;
    flex: 1;
    min-width: 250px;
    max-width: 50%;
    display: flex;
    justify-content: center;
  }

  /* Hint card should be on the side */
  .hint-card {
    margin-top: 0;
    margin-left: var(--spacing-md);
    flex: 1;
    min-width: 250px;
    max-width: 45%;
    padding: var(--spacing-xs);
  }

  .hint-note {
    font-size: 1.2rem;
    margin-bottom: 2px;
  }

  /* Make sure hint isn't huge and scrolls if needed */
  .fretboard-container {
    max-height: 150px;
    overflow-y: hidden;
    display: flex;
    justify-content: center;
  }

  .fretboard-container svg {
    height: 100%;
    width: auto;
    max-width: 100%;
  }

  /* Move feedback and actions */
  .feedback-area {
    width: 100%;
    height: 30px;
    order: 3;
    /* Force to bottom */
    margin-top: 5px;
  }

  .action-row {
    margin-top: 5px !important;
    order: 4;
    width: 100%;
  }
}

/* Ensure FretboardHint container handles flexible width generic */
.fretboard-container {
  width: 100%;
}