/* ── uebungsverlauf.css — Exercise History Dashboard ── */

.uv-page {
  max-width: 900px;
  margin: 2rem auto;
  padding: 0 1rem;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.uv-title {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  color: var(--text-color, #2c3e50);
}

.uv-subtitle {
  color: var(--text-muted, #7f8c8d);
  margin-bottom: 2rem;
}

/* Loading / Error */
.uv-loading,
.uv-error {
  text-align: center;
  padding: 3rem 1rem;
}

.uv-error-icon {
  font-size: 3rem;
  color: #e74c3c;
  margin-bottom: 1rem;
}

.uv-error-msg {
  color: #e74c3c;
  margin-bottom: 1rem;
}

/* Sections */
.uv-section {
  margin-bottom: 2rem;
}

.uv-section-title {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid #ecf0f1;
  color: var(--text-color, #2c3e50);
}

/* Accuracy Overview */
.uv-accuracy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1rem;
}

.uv-accuracy-card {
  text-align: center;
  padding: 1.5rem 1rem;
  border-radius: 8px;
  background: #f8f9fa;
}

.uv-accuracy-correct {
  border-left: 4px solid #27ae60;
}
.uv-accuracy-wrong {
  border-left: 4px solid #e74c3c;
}
.uv-accuracy-total {
  border-left: 4px solid #3498db;
}

.uv-accuracy-value {
  display: block;
  font-size: 2rem;
  font-weight: 700;
}

.uv-accuracy-correct .uv-accuracy-value {
  color: #27ae60;
}
.uv-accuracy-wrong .uv-accuracy-value {
  color: #e74c3c;
}
.uv-accuracy-total .uv-accuracy-value {
  color: #3498db;
}

.uv-accuracy-label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted, #7f8c8d);
  margin-top: 0.25rem;
}

.uv-accuracy-count {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted, #95a5a6);
}

/* Accuracy Bar */
.uv-accuracy-bar-container {
  height: 12px;
  background: #ecf0f1;
  border-radius: 6px;
  overflow: hidden;
}

.uv-accuracy-bar {
  height: 100%;
  border-radius: 6px;
  transition: width 0.5s ease;
}

.uv-bar-green {
  background: #27ae60;
}
.uv-bar-yellow {
  background: #f39c12;
}
.uv-bar-red {
  background: #e74c3c;
}

/* Bar containers (topic cards) */
.uv-bar-container {
  height: 8px;
  background: #ecf0f1;
  border-radius: 4px;
  overflow: hidden;
  margin-top: 0.5rem;
}

.uv-bar {
  height: 100%;
  border-radius: 4px;
  transition: width 0.3s ease;
}

/* Topic Breakdown */
.uv-topics-list {
  display: grid;
  gap: 0.75rem;
}

.uv-topic-card {
  background: #fff;
  border: 1px solid #ecf0f1;
  border-radius: 8px;
  padding: 1rem;
}

.uv-topic-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.uv-topic-name {
  font-weight: 600;
  color: var(--text-color, #2c3e50);
}

.uv-topic-pct {
  font-weight: 700;
  font-size: 1.1rem;
}

.uv-pct-green {
  color: #27ae60;
}
.uv-pct-yellow {
  color: #f39c12;
}
.uv-pct-red {
  color: #e74c3c;
}

.uv-topic-meta {
  font-size: 0.8rem;
  color: var(--text-muted, #95a5a6);
  margin-top: 0.5rem;
}

.uv-btn-small {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.25rem 0.75rem;
  font-size: 0.8rem;
  color: #3498db;
  text-decoration: none;
  border: 1px solid #3498db;
  border-radius: 4px;
}

.uv-btn-small:hover {
  background: #3498db;
  color: #fff;
}

/* Recent Attempts */
.uv-recent-list {
  display: grid;
  gap: 0.5rem;
}

.uv-recent-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 0.75rem;
  background: #fff;
  border: 1px solid #ecf0f1;
  border-radius: 6px;
}

.uv-recent-date {
  font-size: 0.8rem;
  color: var(--text-muted, #95a5a6);
}

.uv-recent-topic {
  font-weight: 500;
  color: var(--text-color, #2c3e50);
}

.uv-recent-score {
  font-weight: 700;
}

.uv-recent-feedback {
  grid-column: 2;
  font-size: 0.8rem;
  color: var(--text-muted, #7f8c8d);
  margin-top: 0.25rem;
}

/* Recommendations */
.uv-recommendations-list {
  display: grid;
  gap: 0.75rem;
}

.uv-recommendation-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  background: #fff8f0;
  border: 1px solid #f39c12;
  border-radius: 8px;
}

.uv-rec-topic {
  font-weight: 600;
  color: var(--text-color, #2c3e50);
}

.uv-rec-score {
  font-size: 0.9rem;
  margin-right: 1rem;
}

.uv-btn-primary {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: #3498db;
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  font-weight: 500;
  font-size: 0.9rem;
}

.uv-btn-primary:hover {
  background: #2980b9;
}

/* Empty state */
.uv-empty-text {
  text-align: center;
  color: var(--text-muted, #95a5a6);
  padding: 1rem;
}

/* Responsive */
@media (max-width: 640px) {
  .uv-accuracy-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .uv-recent-item {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 0.25rem;
  }

  .uv-recommendation-card {
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
  }

  .uv-page {
    margin: 1rem auto;
  }
}