/* HOME SCREEN */
.home-content {
  justify-content: center;
  gap: var(--spacing-xl);
}

.logo-container {
  text-align: center;
}

.logo {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple), var(--accent-cyan));
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: logoGradient 4s ease infinite;
  text-shadow: none;
  filter: drop-shadow(0 0 30px rgba(79, 195, 247, 0.4));
}

@keyframes logoGradient {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.tagline {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-secondary);
  margin-top: var(--spacing-sm);
  letter-spacing: 0.1em;
}

.home-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  width: 100%;
  max-width: 320px;
}

/* PREDICTION SCREEN */
.prediction-content {
  gap: var(--spacing-lg);
}

.prediction-description {
  color: var(--text-secondary);
  text-align: center;
  font-size: 0.9rem;
}

.mode-label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--accent-amber);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.prediction-value-display {
  text-align: center;
}

.prediction-value {
  font-family: var(--font-mono);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--accent-cyan);
  text-shadow: 0 0 20px rgba(79, 195, 247, 0.5);
  transition: color 0.3s;
}

.prediction-presets {
  display: flex;
  gap: var(--spacing-sm);
  width: 100%;
}

/* PUZZLE SCREEN */
.puzzle-hud {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(10, 10, 46, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(79, 195, 247, 0.15);
  z-index: 10;
  flex-shrink: 0;
}

.hud-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.hud-label {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
}

.hud-timer {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent-cyan);
  text-shadow: 0 0 10px rgba(79, 195, 247, 0.5);
  min-width: 5ch;
  text-align: center;
}

.hud-timer.warning {
  color: var(--accent-red);
  text-shadow: 0 0 10px rgba(255, 23, 68, 0.5);
  animation: timerPulse 0.5s ease-in-out infinite;
}

.hud-connections {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-green);
}

.hud-combo {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-amber);
}

.hud-errors {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--accent-red);
}

#game-viewport {
  flex: 1;
  position: relative;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* RESULTS SCREEN */
.results-content {
  gap: var(--spacing-md);
}

.results-outcome {
  text-align: center;
  margin: var(--spacing-sm) 0;
}

.outcome-icon {
  font-size: 3rem;
  line-height: 1;
  margin-bottom: var(--spacing-xs);
}

.outcome-icon.success {
  color: var(--accent-green);
  text-shadow: 0 0 30px rgba(0, 230, 118, 0.5);
}

.outcome-icon.failure {
  color: var(--accent-red);
  text-shadow: 0 0 30px rgba(255, 23, 68, 0.5);
}

.outcome-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.results-breakdown {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.results-actions {
  display: flex;
  gap: var(--spacing-sm);
  width: 100%;
  flex-wrap: wrap;
}

.results-actions .btn {
  flex: 1;
  min-width: 100px;
}

/* STATS SCREEN */
.stats-content {
  gap: var(--spacing-md);
  justify-content: flex-start;
  padding-top: var(--spacing-lg);
}

.stats-summary {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
  width: 100%;
}

.stat-card {
  text-align: center;
  padding: var(--spacing-md);
  background: var(--bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius-md);
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--spacing-xs);
}

.stats-section-title {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--text-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: var(--spacing-md);
  align-self: flex-start;
}

.stats-empty {
  color: var(--text-secondary);
  text-align: center;
  padding: var(--spacing-xl);
}

.stats-grid {
  width: 100%;
}

/* Calibration chart */
.calibration-chart {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.calibration-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.8rem;
}

.cal-pred {
  font-family: var(--font-mono);
  min-width: 3em;
  color: var(--text-secondary);
}

.cal-bar-container {
  flex: 1;
  height: 20px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

.cal-bar {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  border-radius: 4px;
  transition: width 0.5s ease;
}

.cal-bar-expected {
  background: rgba(79, 195, 247, 0.2);
  border: 1px dashed rgba(79, 195, 247, 0.4);
}

.cal-bar-actual {
  height: 60%;
  top: 20%;
}

.cal-actual {
  font-family: var(--font-mono);
  min-width: 6em;
  text-align: right;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* History list */
.history-list {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.history-row {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-surface);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  border-left: 3px solid transparent;
}

.history-row.win {
  border-left-color: var(--accent-green);
}

.history-row.loss {
  border-left-color: var(--accent-red);
}

.hist-date { color: var(--text-secondary); min-width: 6em; }
.hist-pred { color: var(--text-accent); min-width: 3em; text-align: center; }
.hist-outcome { font-weight: 700; min-width: 2em; text-align: center; }
.history-row.win .hist-outcome { color: var(--accent-green); }
.history-row.loss .hist-outcome { color: var(--accent-red); }
.hist-score { min-width: 5em; text-align: right; }

/* SETTINGS SCREEN */
.settings-content {
  gap: var(--spacing-lg);
  justify-content: flex-start;
  padding-top: var(--spacing-xl);
}