/* ════════════════════════════════════════════════════
   lernpfade.css — Learning Paths & Gamification Dashboard
   Theme: hugo-cards, 3-column grid layout
   ════════════════════════════════════════════════════ */

/* ── Container ── */
.lernpfade-container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 20px;
}

/* ── Dashboard Cards ── */
.dashboard-card {
  background: var(--card-bg, #fff);
  border: 1px solid var(--border-color, #dee2e6);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.dashboard-card h2,
.dashboard-card h3 {
  margin-top: 0;
  margin-bottom: 16px;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--brand-primary, #1b5e20);
}

.dashboard-card h2 i,
.dashboard-card h3 i {
  margin-right: 8px;
}

/* ── 3-Column Grid Layout ── */
.lernpfade-dashboard {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: 20px;
  align-items: start;
}

/* ── Left Column: Path Tree ── */
.path-tree-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.path-tree-item {
  margin-bottom: 12px;
  border: 1px solid var(--border-color, #dee2e6);
  border-radius: 6px;
  overflow: hidden;
  transition: border-color 0.2s;
}

.path-tree-item.path-completed {
  border-left: 3px solid var(--success-color, #4caf50);
}

.path-tree-item.path-in-progress {
  border-left: 3px solid var(--accent-color, #007bff);
}

.path-tree-item.path-locked {
  border-left: 3px solid #ccc;
  opacity: 0.7;
}

.path-tree-header {
  display: flex;
  align-items: center;
  padding: 12px;
  cursor: pointer;
  transition: background 0.15s;
  gap: 8px;
}

.path-tree-header:hover {
  background: var(--bg-primary, #f8f9fa);
}

.path-toggle-icon {
  width: 16px;
  text-align: center;
  color: #999;
  font-size: 0.8rem;
  transition: transform 0.2s;
}

.expanded .path-toggle-icon {
  transform: rotate(90deg);
}

.path-title {
  flex: 1;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary, #2c3e50);
}

.path-pct {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--brand-secondary, #2e7d32);
}

.path-tree-progress {
  height: 4px;
  background: #e9ecef;
  margin: 0 12px 4px;
  border-radius: 2px;
  overflow: hidden;
}

.path-tree-progress-bar {
  height: 100%;
  background: linear-gradient(
    90deg,
    var(--success-color, #4caf50),
    var(--brand-secondary, #2e7d32)
  );
  border-radius: 2px;
  transition: width 0.5s ease;
}

.path-completed .path-tree-progress-bar {
  background: linear-gradient(90deg, var(--success-color, #4caf50), #1b5e20);
}

.path-topic-count {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted, #7f8c8d);
  padding: 0 12px 8px;
}

/* ── Topics nested list ── */
.path-topics,
.topic-objectives {
  list-style: none;
  padding: 0;
  margin: 0;
  display: none;
}

.expanded > .path-topics,
.expanded > .topic-objectives {
  display: block;
}

.path-topic-item {
  border-top: 1px solid #eee;
}

.topic-header {
  display: flex;
  align-items: center;
  padding: 10px 12px 10px 24px;
  cursor: pointer;
  gap: 8px;
  transition: background 0.15s;
}

.topic-header:hover {
  background: var(--bg-primary, #f8f9fa);
}

.topic-toggle-icon {
  width: 12px;
  text-align: center;
  color: #999;
  font-size: 0.7rem;
  transition: transform 0.2s;
}

.path-topic-item.expanded .topic-toggle-icon {
  transform: rotate(90deg);
}

.topic-title {
  flex: 1;
  font-size: 0.88rem;
  color: var(--text-primary, #2c3e50);
}

.topic-pct {
  font-size: 0.78rem;
  color: var(--text-muted, #7f8c8d);
  font-weight: 600;
}

.topic-completed .topic-pct {
  color: var(--success-color, #4caf50);
}

.topic-in-progress .topic-pct {
  color: var(--accent-color, #007bff);
}

/* ── Objectives ── */
.objective-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px 6px 36px;
  font-size: 0.85rem;
  color: var(--text-primary, #2c3e50);
}

.objective-item.obj-completed {
  color: var(--success-color, #4caf50);
}

.objective-item.obj-pending {
  color: var(--text-muted, #7f8c8d);
}

.objective-item i {
  font-size: 0.9rem;
  width: 16px;
  text-align: center;
}

/* ── Center Column: XP Bar ── */
.xp-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.xp-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.xp-label {
  font-size: 0.85rem;
  color: var(--text-muted, #7f8c8d);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.xp-values {
  font-size: 1.1rem;
  color: var(--text-primary, #2c3e50);
}

.xp-values strong {
  font-size: 1.5rem;
  color: var(--brand-primary, #1b5e20);
}

.level-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: #fff;
  border-radius: 8px;
  padding: 8px 16px;
  min-width: 80px;
  text-align: center;
}

.level-number {
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.2;
}

.level-title {
  font-size: 0.65rem;
  opacity: 0.9;
  white-space: nowrap;
}

.xp-bar-wrapper {
  margin-top: 4px;
}

.xp-bar-track {
  height: 12px;
  background: #e9ecef;
  border-radius: 6px;
  overflow: hidden;
}

.xp-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #9b59b6, #8e44ad, #6c3483);
  border-radius: 6px;
  transition: width 0.6s ease;
  min-width: 2px;
}

/* ── Streak Section ── */
.streak-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.streak-display {
  display: flex;
  align-items: center;
  gap: 8px;
}

.streak-flame {
  font-size: 1.8rem;
  line-height: 1;
}

.streak-count {
  font-size: 1.8rem;
  font-weight: 800;
  color: #e67e22;
}

.streak-label {
  font-size: 0.85rem;
  color: var(--text-muted, #7f8c8d);
}

.btn-checkin {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  border-radius: 20px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.2s;
}

.btn-checkin.disabled-checkin {
  background: #e9ecef;
  color: #999;
  border-color: #ddd;
  cursor: default;
}

/* ── XP Log ── */
.xp-log-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.xp-log-item {
  display: flex;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid #f0f0f0;
  gap: 8px;
  font-size: 0.88rem;
}

.xp-log-item:last-child {
  border-bottom: none;
}

.xp-log-action {
  flex: 1;
  color: var(--text-primary, #2c3e50);
}

.xp-log-date {
  font-size: 0.78rem;
  color: var(--text-muted, #7f8c8d);
  white-space: nowrap;
}

.xp-log-amount {
  font-weight: 700;
  color: var(--success-color, #4caf50);
  white-space: nowrap;
  min-width: 60px;
  text-align: right;
}

/* ── Right Column: Badge Grid ── */
.badge-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.badge-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px 6px;
  border-radius: 8px;
  border: 1px solid var(--border-color, #dee2e6);
  text-align: center;
  transition: all 0.2s;
  cursor: default;
}

.badge-card.earned {
  background: #fffef5;
  border-color: #f1c40f;
}

.badge-card.locked {
  opacity: 0.65;
}

.badge-card.locked:hover {
  opacity: 1;
  background: #f8f9fa;
}

.badge-icon {
  font-size: 1.6rem;
  margin-bottom: 6px;
  color: #f1c40f;
}

.badge-card.locked .badge-icon {
  color: #bdc3c7;
}

.badge-name {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-primary, #2c3e50);
  line-height: 1.3;
}

.badge-date {
  font-size: 0.65rem;
  color: var(--text-muted, #7f8c8d);
  margin-top: 2px;
}

.badge-condition {
  font-size: 0.65rem;
  color: #95a5a6;
  margin-top: 2px;
  font-style: italic;
}

/* ── Recommendation Card ── */
.recommendation-card {
  text-align: center;
  padding: 24px;
}

.recommendation-card h3 {
  margin-bottom: 12px;
}

.recommendation-topic {
  padding: 10px 0;
}

.recommendation-topic h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary, #2c3e50);
  margin-bottom: 8px;
}

.recommendation-topic p {
  color: var(--text-muted, #7f8c8d);
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.recommendation-topic .btn {
  border-radius: 20px;
  padding: 8px 28px;
  font-weight: 600;
}

.recommendation-login-prompt {
  padding: 10px 0;
}

.recommendation-login-prompt h3 {
  margin-bottom: 8px;
}

.recommendation-login-prompt p {
  color: var(--text-muted, #7f8c8d);
  margin-bottom: 16px;
}

.recommendation-placeholder {
  padding: 10px 0;
}

/* ── Dark Mode ── */
@media (prefers-color-scheme: dark) {
  .dashboard-card {
    background: #2c2c2c;
    border-color: #444;
  }

  .dashboard-card h2,
  .dashboard-card h3 {
    color: #81c784;
  }

  .path-tree-header:hover,
  .topic-header:hover {
    background: #3c3c3c;
  }

  .path-title,
  .topic-title,
  .objective-item {
    color: #e0e0e0;
  }

  .path-topic-item {
    border-top-color: #444;
  }

  .xp-values strong {
    color: #81c784;
  }

  .xp-bar-track {
    background: #444;
  }

  .badge-card.earned {
    background: #3c3820;
    border-color: #9a7d0a;
  }

  .badge-name {
    color: #e0e0e0;
  }

  .xp-log-item {
    border-bottom-color: #3c3c3c;
  }

  .xp-log-action {
    color: #e0e0e0;
  }

  .btn-checkin.disabled-checkin {
    background: #3c3c3c;
    color: #777;
    border-color: #555;
  }

  .recommendation-topic h4 {
    color: #e0e0e0;
  }
}

/* ── Responsive: Stack on <768px ── */
@media (max-width: 768px) {
  .lernpfade-dashboard {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .lernpfade-container {
    padding: 12px;
  }

  .dashboard-card {
    padding: 16px;
  }

  .badge-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }

  .xp-header {
    flex-direction: column;
    gap: 10px;
  }

  .level-badge {
    align-self: flex-start;
  }

  .streak-row {
    flex-direction: column;
    gap: 12px;
  }

  .btn-checkin {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .badge-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ── State Selector (Sprint 30) ── */
.state-selector-wrapper {
  margin-bottom: 16px;
}

.state-selector-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted, #7f8c8d);
  margin-bottom: 4px;
}

.state-selector {
  width: 100%;
  padding: 6px 10px;
  border: 1px solid var(--border-color, #dee2e6);
  border-radius: 6px;
  font-size: 0.9rem;
  background: var(--card-bg, #fff);
  color: var(--text-primary, #2c3e50);
}

.state-path-header {
  padding: 8px 0 12px;
  border-bottom: 1px solid var(--border-color, #dee2e6);
  margin-bottom: 12px;
}

.state-path-header h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--brand-primary, #1b5e20);
}

.state-path-meta {
  font-size: 0.8rem;
  color: var(--text-muted, #7f8c8d);
}

.path-grade {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-color, #007bff);
  margin-right: 8px;
  white-space: nowrap;
}

.topic-article-link {
  display: block;
  padding: 8px 12px 8px 36px;
  font-size: 0.85rem;
  color: var(--accent-color, #007bff);
  text-decoration: none;
  transition: background 0.15s;
}

.topic-article-link:hover {
  background: var(--bg-primary, #f8f9fa);
  text-decoration: underline;
}

.topic-article-link i {
  margin-right: 6px;
  font-size: 0.8rem;
}

@media (prefers-color-scheme: dark) {
  .state-selector {
    background: #3c3c3c;
    border-color: #555;
    color: #e0e0e0;
  }

  .state-path-header h3 {
    color: #81c784;
  }

  .topic-article-link:hover {
    background: #3c3c3c;
  }
}