:root {
  --foreground-rgb: 0, 0, 0;
  --background-start-rgb: 214, 219, 220;
  --background-end-rgb: 255, 255, 255;

  /* Theme Colors */
  --primary: #000000;
  --primary-foreground: #ffffff;
  --secondary: #4b5563;
  --secondary-foreground: #ffffff;
  --accent: #667eea;
  --accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --success: #22c55e;
  --success-foreground: #ffffff;
  --danger: #ef4444;
  --danger-foreground: #ffffff;
  --warning: #ffc107;
  --muted: #f3f4f6;
  --muted-foreground: #6b7280;
  --border: #e5e7eb;
  --input: #d1d5db;
  --ring: #000000;
}

body {
  color: rgb(var(--foreground-rgb));
  background: linear-gradient(to bottom,
      transparent,
      rgb(var(--background-end-rgb))) rgb(var(--background-start-rgb));
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen,
    Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue, sans-serif;
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

/* Layout Utilities */
.container {
  max-width: 600px;
  margin: 0 auto;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
}

.header {
  margin-bottom: 2rem;
  text-align: center;
}

.title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  margin: 0;
}

/* Game Board */
.game-board {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.status-bar {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 0.5rem;
}

/* Audio Player */
.audio-player {
  background: var(--muted);
  padding: 1rem;
  border-radius: 0.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.player-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.play-button {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: var(--primary);
  color: var(--primary-foreground);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s;
}

.play-button:hover {
  background: #333;
  /* Keep for now or add --primary-hover */
}

.progress-bar-container {
  flex: 1;
  height: 0.5rem;
  background: var(--input);
  border-radius: 999px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--success);
  transition: width 0.1s linear;
}

/* Guess List */
.guess-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.guess-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem;
  background: #f9fafb;
  border: 1px solid var(--border);
  border-radius: 0.25rem;
  font-size: 0.875rem;
}

.guess-number {
  width: 1.5rem;
  color: #9ca3af;
}

.guess-text {
  color: var(--danger);
  /* Red for wrong */
}

.guess-text.skipped {
  color: #9ca3af;
  font-style: italic;
}

.guess-text.correct {
  color: var(--success);
}

/* Input */
.input-container {
  position: relative;
  width: 100%;
  margin-top: 1rem;
}

.guess-input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--input);
  border-radius: 0.25rem;
  font-size: 1rem;
  box-sizing: border-box;
}

.guess-input:focus {
  outline: 2px solid var(--ring);
  border-color: transparent;
}

.suggestions-list {
  position: absolute;
  width: 100%;
  background: #fff;
  border: 1px solid var(--input);
  border-radius: 0.25rem;
  margin-top: 0.25rem;
  max-height: 15rem;
  overflow-y: auto;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  z-index: 10;
  list-style: none;
  padding: 0;
}

.suggestion-item {
  padding: 0.75rem;
  cursor: pointer;
  border-bottom: 1px solid var(--muted);
}

.suggestion-item:hover {
  background: var(--muted);
}

.suggestion-title {
  font-weight: bold;
}

.suggestion-artist {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.skip-button {
  width: 100%;
  padding: 1rem 1.5rem;
  margin-top: 1rem;
  background: var(--accent-gradient);
  color: white;
  border: none;
  border-radius: 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.skip-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.skip-button:active {
  transform: translateY(0);
  box-shadow: 0 2px 10px rgba(102, 126, 234, 0.4);
}

/* Messages */
.message-box {
  padding: 1rem;
  border-radius: 0.5rem;
  text-align: center;
  margin-top: 1rem;
}

.message-box.success {
  background: #dcfce7;
  color: #166534;
}

.message-box.failure {
  background: #fee2e2;
  color: #991b1b;
}

/* Admin */
.admin-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
}

.admin-card {
  background: var(--muted);
  padding: 2rem;
  border-radius: 0.5rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-weight: bold;
  margin-bottom: 0.25rem;
  font-size: 0.875rem;
}

.form-input {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--input);
  border-radius: 0.25rem;
  box-sizing: border-box;
}

.btn-primary {
  background: var(--primary);
  color: var(--primary-foreground);
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 0.25rem;
  cursor: pointer;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 2.5rem;
  box-sizing: border-box;
  text-decoration: none;
  font-size: 0.875rem;
}

.btn-primary:hover {
  background: #333;
}

.btn-secondary {
  background: var(--secondary);
  color: var(--secondary-foreground);
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 0.25rem;
  cursor: pointer;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 2.5rem;
  box-sizing: border-box;
  font-size: 0.875rem;
}

.btn-secondary:hover {
  background: #374151;
}

.btn-danger {
  background: var(--danger);
  color: var(--danger-foreground);
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 0.25rem;
  cursor: pointer;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 2.5rem;
  box-sizing: border-box;
  font-size: 0.875rem;
}

.btn-danger:hover {
  background: #dc2626;
}

/* Footer */
.app-footer {
  margin-top: auto;
  padding: 2rem 1rem 1rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--muted-foreground);
  border-top: 1px solid var(--border);
  width: 100%;
}

.app-footer p {
  margin: 0;
}

.app-footer a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}

.app-footer a:hover {
  text-decoration: underline;
}

/* Statistics */
.statistics-container {
  margin: 1.5rem 0;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 0.5rem;
}

.statistics-title {
  font-size: 1.125rem;
  font-weight: bold;
  margin: 0 0 0.5rem 0;
  text-align: center;
}

.statistics-total {
  font-size: 0.875rem;
  text-align: center;
  margin: 0 0 1rem 0;
  color: var(--muted-foreground);
}

.statistics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
  gap: 0.75rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.75rem 0.5rem;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 0.375rem;
  border: 1px solid var(--border);
}

.stat-badge {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-bottom: 0.25rem;
  text-align: center;
}

.stat-count {
  font-size: 1.25rem;
  font-weight: bold;
  color: var(--primary);
}

/* Tooltip */
.tooltip {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
}

.tooltip .tooltip-text {
  visibility: hidden;
  width: 200px;
  background-color: #333;
  color: #fff;
  text-align: center;
  border-radius: 6px;
  padding: 5px;
  position: absolute;
  z-index: 100;
  top: 100%;
  left: 50%;
  margin-left: -100px;
  margin-top: 5px;
  opacity: 0;
  transition: opacity 0.3s;
  font-size: 0.75rem;
  font-weight: normal;
  pointer-events: none;
  line-height: 1.2;
}

.tooltip:hover .tooltip-text {
  visibility: visible;
  opacity: 1;
}

.tooltip .tooltip-text::after {
  content: "";
  position: absolute;
  bottom: 100%;
  left: 50%;
  margin-left: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: transparent transparent #333 transparent;
}