/* ==========================================================================
   4. Multi-Filter Matrix Panel & Inputs Styles
   ========================================================================== */
.filter-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.filter-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: 12px;
}

.filter-panel-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 800;
  color: var(--brand-teal);
}

[data-theme="dark"] .filter-panel-title {
  color: var(--brand-gold);
}

.filter-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.filter-label {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  flex-wrap: wrap;
}

.filter-label-text {
  display: flex;
  align-items: center;
  gap: 6px;
}

.info-tooltip-badge {
  font-size: 10.5px;
  font-weight: 600;
  background: var(--data-blue-soft);
  color: var(--data-blue);
  padding: 2px 7px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  cursor: help;
  transition: var(--transition);
}

.info-tooltip-badge:hover {
  background: var(--brand-teal-soft);
  color: var(--brand-teal);
}

.filter-select, .filter-input {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 9px 12px;
  border-radius: 10px;
  font-family: inherit;
  font-size: 13px;
  outline: none;
  transition: var(--transition);
  width: 100%;
}

.filter-select:focus, .filter-input:focus {
  border-color: var(--brand-teal);
  box-shadow: 0 0 0 3px var(--brand-teal-soft);
}

.quick-year-chips {
  display: flex;
  gap: 6px;
  margin-top: 4px;
  flex-wrap: wrap;
}

.chip-btn {
  padding: 3px 10px;
  border-radius: 14px;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  font-size: 11.5px;
  font-weight: 700;
  cursor: pointer;
  color: var(--text-secondary);
  transition: var(--transition);
}

.chip-btn:hover, .chip-btn.active {
  background: var(--brand-teal);
  color: #ffffff;
  border-color: var(--brand-teal);
}

/* Dynamic Month Chips Container */
.quick-months-wrapper {
  margin-top: 6px;
  padding: 8px 10px;
  background: var(--bg-secondary);
  border: 1px dashed var(--border-color);
  border-radius: 10px;
}

.quick-months-title {
  font-size: 11px;
  font-weight: 800;
  color: var(--text-muted);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.quick-month-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.month-chip-btn {
  padding: 3px 8px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  color: var(--text-secondary);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.month-chip-btn:hover {
  background: var(--brand-gold-light);
  color: var(--brand-gold);
  border-color: var(--brand-gold);
}

.month-chip-btn.active {
  background: linear-gradient(135deg, var(--brand-gold), #dfb332);
  color: #0b1a30;
  border-color: var(--brand-gold);
  box-shadow: 0 2px 6px rgba(197, 155, 39, 0.3);
  font-weight: 800;
}

.btn-action {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.btn-action:hover {
  background: var(--danger-red-soft);
  color: var(--danger-red);
  border-color: var(--danger-red);
}