/* ============================================================================
   Knowledge Gap Dashboard Styles
   ============================================================================ */

.dash-hero {
  text-align: center;
  padding: 3rem 1rem 2rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-soft);
}

.dash-hero h1 {
  font-family: 'Fraunces', serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin: 0 0 0.5rem;
  color: var(--text-main);
}

.dash-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin: 0;
}

.dash-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

.dash-section {
  margin-bottom: 3rem;
}

.dash-section h2 {
  font-family: 'Fraunces', serif;
  font-size: 1.5rem;
  color: var(--text-main);
  margin: 0 0 0.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-soft);
}

.dash-section-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0 0 1rem;
}

/* --------------------------------------------------------------------------
   Section 1: Overall Progress
   -------------------------------------------------------------------------- */

.dash-overall-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.dash-overall-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-soft);
  border-radius: 1rem;
  padding: 1.5rem;
  text-align: center;
}

.dash-overall-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0 0 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Circular progress indicator */
.dash-circle-wrap {
  position: relative;
  width: 100px;
  height: 100px;
  margin: 0 auto 0.75rem;
}

.dash-circle-bg {
  fill: none;
  stroke: var(--border-soft);
  stroke-width: 8;
}

.dash-circle-fg {
  fill: none;
  stroke-width: 8;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.6s ease;
}

.dash-circle-fg.green  { stroke: var(--status-success); }
.dash-circle-fg.yellow { stroke: var(--status-warning); }
.dash-circle-fg.blue   { stroke: var(--status-info); }
.dash-circle-fg.purple { stroke: var(--xp-purple); }

.dash-circle-label {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-main);
}

.dash-overall-detail {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin: 0;
}

/* --------------------------------------------------------------------------
   Section 2: Heat Map
   -------------------------------------------------------------------------- */

.dash-heatmap-track {
  margin-bottom: 1.5rem;
}

.dash-heatmap-track h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  color: var(--text-main);
  margin: 0 0 0.75rem;
}

.dash-heatmap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 0.5rem;
}

.dash-heatmap-cell {
  display: block;
  padding: 0.75rem 0.6rem;
  border-radius: 0.5rem;
  text-decoration: none;
  text-align: center;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text);
  transition: transform 0.15s, box-shadow 0.15s;
  border: 1px solid transparent;
}

.dash-heatmap-cell:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.dash-heatmap-cell .cell-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.dash-heatmap-cell .cell-pct {
  display: block;
  font-size: 0.75rem;
  opacity: 0.8;
}

/* Heat map colors */
.hm-red     { background: var(--status-error); color: #fff; }
.hm-orange  { background: var(--status-warning); color: #fff; }
.hm-yellow  { background: var(--streak-amber); color: var(--text); }
.hm-lime    { background: var(--status-success); color: var(--text); }
.hm-green   { background: var(--status-success); color: #fff; }
.hm-gray    { background: var(--bg-secondary); color: var(--text-muted); border-color: var(--border-soft); }

/* Legend */
.dash-heatmap-legend {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.dash-heatmap-legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.legend-swatch {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 3px;
}

/* --------------------------------------------------------------------------
   Section 3: Weakest Areas
   -------------------------------------------------------------------------- */

.dash-weak-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-soft);
  border-left: 4px solid var(--status-error);
  border-radius: 0.5rem;
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
}

.dash-weak-item h4 {
  margin: 0 0 0.4rem;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  color: var(--text-main);
}

.dash-weak-item h4 a {
  color: var(--status-info);
  text-decoration: none;
}

.dash-weak-item h4 a:hover {
  text-decoration: underline;
}

.dash-weak-detail {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin: 0 0 0.5rem;
  line-height: 1.5;
}

.dash-weak-bar-track {
  width: 100%;
  height: 6px;
  background: var(--border-soft);
  border-radius: 3px;
  overflow: hidden;
}

.dash-weak-bar-fill {
  height: 100%;
  border-radius: 3px;
  background: var(--status-error);
  transition: width 0.4s ease;
}

.dash-no-data {
  color: var(--text-muted);
  font-style: italic;
  padding: 1rem 0;
}

/* --------------------------------------------------------------------------
   Section 4: Daily Plan
   -------------------------------------------------------------------------- */

.dash-plan-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.dash-plan-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-soft);
  border-radius: 0.5rem;
  padding: 1rem 1.25rem;
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.dash-plan-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--bg-primary);
}

.plan-icon-cards { color: var(--status-info); }
.plan-icon-pages { color: var(--status-success); }
.plan-icon-exam  { color: var(--xp-purple); }

.dash-plan-text {
  flex: 1;
  color: var(--text-main);
  font-size: 0.95rem;
}

.dash-plan-text a {
  color: var(--status-info);
  text-decoration: none;
}

.dash-plan-text a:hover {
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Section 5: Weekly Trend
   -------------------------------------------------------------------------- */

.dash-trend-chart {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  height: 180px;
  padding: 1rem 0;
}

.dash-trend-day {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  justify-content: flex-end;
}

.dash-trend-bars {
  display: flex;
  gap: 3px;
  align-items: flex-end;
  width: 100%;
  justify-content: center;
  flex: 1;
}

.dash-trend-bar {
  width: 16px;
  min-height: 2px;
  border-radius: 3px 3px 0 0;
  transition: height 0.4s ease;
}

.bar-cards { background: var(--status-info); }
.bar-pages { background: var(--status-success); }
.bar-exams { background: var(--xp-purple); }

.dash-trend-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  text-align: center;
}

.dash-trend-legend {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 0.75rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.dash-trend-legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.trend-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
}

.trend-dot.cards { background: var(--status-info); }
.trend-dot.pages { background: var(--status-success); }
.trend-dot.exams { background: var(--xp-purple); }

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 600px) {
  .dash-heatmap-grid {
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  }

  .dash-trend-bar {
    width: 10px;
  }

  .dash-overall-grid {
    grid-template-columns: 1fr 1fr;
  }
}