/* Global styles */
:root {
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --danger-color: #ef4444;
  --text-color: #1f2937;
  --text-light: #6b7280;
  --bg-color: #f9fafb;
  --card-bg: #ffffff;
  --border-color: #e5e7eb;
  --border-radius: 8px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--bg-color);
  padding: 20px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

/* Header */
header {
  margin-bottom: 40px;
}

header h1 {
  font-size: 2rem;
  margin-bottom: 8px;
  color: var(--text-color);
}

header p {
  color: var(--text-light);
  font-size: 1.1rem;
}

.breadcrumb {
  margin-bottom: 16px;
  color: var(--text-light);
}

.breadcrumb a {
  color: var(--primary-color);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

/* Buttons */
.btn {
  padding: 12px 24px;
  border: none;
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: var(--border-color);
  color: var(--text-color);
}

.btn-secondary:hover {
  background-color: var(--text-light);
  color: white;
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-save {
  background-color: var(--primary-color);
  color: white;
  padding: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
}

.btn-save:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-save svg {
  flex-shrink: 0;
}

/* Landing page tools grid */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.tool-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 24px;
  text-decoration: none;
  color: var(--text-color);
  transition: all 0.2s;
  box-shadow: var(--shadow);
}

.tool-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.tool-card h2 {
  font-size: 1.5rem;
  margin-bottom: 8px;
  color: var(--primary-color);
}

.tool-card p {
  color: var(--text-light);
}

/* Action section */
.action-section {
  margin-bottom: 48px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.selected-song {
  margin-top: 24px;
  min-height: 100px;
}

/* Song cards */
.song-card {
  background: var(--card-bg);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 20px;
  box-shadow: var(--shadow);
  transition: all 0.2s;
}

.song-card h3,
.song-card h4 {
  margin-bottom: 12px;
  color: var(--text-color);
}

.song-card.selected {
  border-color: var(--primary-color);
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.song-stats {
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--text-light);
  font-size: 0.95rem;
}

/* Repertoire section */
.repertoire-section {
  margin-top: 48px;
}

.repertoire-section h2 {
  font-size: 1.75rem;
  margin-bottom: 24px;
}

.repertoire-section h3 {
  font-size: 1.25rem;
  margin-top: 32px;
  margin-bottom: 16px;
  color: var(--text-light);
}

.songs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.song-card.complete {
  border-color: var(--success-color);
  background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
}

.song-card.in-progress {
  border-color: var(--warning-color);
}

.song-card.unachieved {
  border-color: var(--danger-color);
}

.song-card.untried {
  border-color: var(--border-color);
  opacity: 0.8;
}

/* Progress bar */
.progress-bar {
  width: 100%;
  height: 8px;
  background-color: var(--border-color);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 4px;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--success-color));
  transition: width 0.3s ease;
}

/* Loading and error states */
.loading {
  text-align: center;
  padding: 48px;
  color: var(--text-light);
  font-size: 1.1rem;
}

.error {
  background-color: #fef2f2;
  border: 1px solid var(--danger-color);
  border-radius: var(--border-radius);
  padding: 16px;
  color: #991b1b;
  margin-bottom: 24px;
}

/* Form styles */
.tempo-form {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.input-group label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-color);
}

.input-group input[type="number"] {
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-family: inherit;
  transition: all 0.2s;
}

.input-group input[type="number"]:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.tempo-form .btn {
  margin-top: 8px;
}

/* Strategy Cards */
.card-section {
  margin-top: 48px;
}

.card-display {
  min-height: 150px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.strategy-card {
  background: var(--card-bg);
  border: 2px solid var(--primary-color);
  border-radius: var(--border-radius);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  max-width: 600px;
  width: 100%;
  text-align: center;
}

.card-content {
  font-size: 1.5rem;
  line-height: 1.8;
  color: var(--text-color);
  font-weight: 500;
}

.strategy-card.success {
  border-color: var(--success-color);
  background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
}

.strategy-card.edit-mode {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card-content-input {
  width: 100%;
  min-height: 150px;
  padding: 20px;
  border: none;
  background: transparent;
  font-size: 1.5rem;
  line-height: 1.8;
  color: var(--text-color);
  font-weight: 500;
  font-family: inherit;
  resize: none;
  outline: none;
  text-align: center;
}

.card-content-input::placeholder {
  color: var(--text-light);
  opacity: 0.5;
}

.card-actions {
  display: flex;
  justify-content: flex-end;
  padding-right: 20px;
}

/* Responsive */
@media (max-width: 768px) {
  body {
    padding: 12px;
  }

  header h1 {
    font-size: 1.5rem;
  }

  .tools-grid,
  .songs-grid {
    grid-template-columns: 1fr;
  }

  .card-content {
    font-size: 1.25rem;
  }

  .card-content-input {
    font-size: 1.25rem;
    padding: 16px;
  }

  .strategy-card {
    padding: 24px;
  }

  .action-section {
    flex-direction: row;
  }
}