/* =============================================
   Topic Trends Page
   ============================================= */

/* ── TOP CONTROLS ── */
.trends-page {
  padding-top: 40px;
  padding-bottom: 80px;
}

.trends-controls {
  display: flex;
  align-items: flex-end;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.ctrl-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--gray-500);
  margin-bottom: 7px;
}

/* Subject select */
.trends-subject-wrap { min-width: 200px; }

.select-wrap {
  position: relative;
}

.select-wrap select {
  width: 100%;
  padding: 10px 36px 10px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-family: var(--font);
  font-size: 0.95rem;
  color: var(--gray-800);
  background: white;
  appearance: none;
  cursor: pointer;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.select-wrap select:focus {
  outline: none;
  border-color: var(--green-400);
  box-shadow: 0 0 0 3px rgba(34,197,94,0.12);
}

.sel-arrow {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  pointer-events: none;
  font-size: 0.85rem;
}

/* Level pill toggle */
.pill-toggle {
  display: inline-flex;
  background: var(--gray-100);
  border-radius: var(--radius-md);
  padding: 4px;
  gap: 4px;
}

.pill-btn {
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--gray-500);
  background: transparent;
  transition: all var(--transition);
  white-space: nowrap;
}

.pill-btn.active {
  background: var(--green-600);
  color: white;
  box-shadow: var(--shadow-sm);
}

/* Chart mode toggle */
.mode-toggle {
  display: inline-flex;
  background: var(--gray-100);
  border-radius: var(--radius-md);
  padding: 4px;
  gap: 4px;
}

.mode-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--gray-500);
  background: transparent;
  transition: all var(--transition);
  white-space: nowrap;
}

.mode-btn.active {
  background: white;
  color: var(--green-700);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
}

.mode-btn svg { flex-shrink: 0; }

/* ── LAYOUT ── */
.trends-body {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 28px;
  align-items: start;
}

/* ── CHART AREA ── */
.chart-area {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chart-card {
  background: var(--white);
  border: 1.5px solid var(--gray-100);
  border-radius: var(--radius-xl);
  padding: 32px;
}

.chart-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.download-chart-btn {
  flex-shrink: 0;
  font-size: 0.83rem;
  padding: 7px 14px;
  white-space: nowrap;
}

.chart-heading {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -0.3px;
  margin-bottom: 4px;
}

.chart-sub {
  font-size: 0.82rem;
  color: var(--gray-400);
}

.chart-canvas-wrap {
  position: relative;
  /* Height is set by JS based on mode */
}

/* Legend */
.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  padding: 4px 0;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.83rem;
  font-weight: 500;
  color: var(--gray-600);
}

.legend-swatch {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  flex-shrink: 0;
}

/* ── SIDEBAR ── */
.trends-sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: sticky;
  top: 88px;
}

.sidebar-card {
  background: var(--white);
  border: 1.5px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 22px;
}

.sidebar-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.sidebar-icon { font-size: 1.2rem; }

.sidebar-card-header h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--gray-900);
}

.sidebar-intro {
  font-size: 0.8rem;
  color: var(--gray-400);
  margin-bottom: 16px;
}

/* Likely list */
.likely-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.likely-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--gray-100);
  background: var(--gray-50);
  transition: all var(--transition);
}

.likely-item:hover {
  border-color: var(--green-200);
  background: var(--green-50);
}

.likely-rank {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
  flex-shrink: 0;
  color: white;
}

.rank-1 { background: #f59e0b; }
.rank-2 { background: var(--gray-400); }
.rank-3 { background: #a16207; }

.likely-info { flex: 1; min-width: 0; }

.likely-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--gray-900);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.likely-count {
  font-size: 0.75rem;
  color: var(--gray-500);
  margin-top: 1px;
}

.likely-bar-wrap {
  width: 42px;
  flex-shrink: 0;
}

.likely-bar-track {
  height: 5px;
  background: var(--gray-200);
  border-radius: 100px;
  overflow: hidden;
}

.likely-bar-fill {
  height: 100%;
  border-radius: 100px;
  background: var(--green-500);
  transition: width 0.8s ease;
}

/* Last-year appeared badge */
.likely-tag {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 100px;
  margin-top: 3px;
  display: inline-block;
}

.tag-hot { background: var(--green-100); color: var(--green-800); }
.tag-due { background: #fff7ed;          color: #c2410c; }

/* 2024 glance list */
.glance-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.glance-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 0.85rem;
}

.glance-topic {
  color: var(--gray-700);
  font-weight: 500;
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.glance-pill {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 100px;
  flex-shrink: 0;
}

.pill-yes { background: var(--green-100); color: var(--green-800); }
.pill-no  { background: var(--gray-100);  color: var(--gray-500); }

/* Disclaimer */
.disclaimer-card {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: #fffbeb;
  border-color: #fde68a;
}

.disclaimer-icon { font-size: 1rem; flex-shrink: 0; margin-top: 2px; }

.disclaimer-card p {
  font-size: 0.8rem;
  color: #92400e;
  line-height: 1.6;
}

.disclaimer-card strong { font-weight: 700; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .trends-body {
    grid-template-columns: 1fr;
  }

  .trends-sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .disclaimer-card { grid-column: 1 / -1; }
}

@media (max-width: 700px) {
  .trends-controls { gap: 14px; }
  .trends-subject-wrap { width: 100%; }
  .mode-btn span { display: none; }
  .chart-card { padding: 20px; }

  .trends-sidebar {
    grid-template-columns: 1fr;
  }
}