/* Tracker app container */
#tracker-app {
  min-height: 100dvh;
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

/* Tabs */
.tracker-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  flex-shrink: 0;
}

.tracker-tab {
  flex: 1;
  padding: 0.85rem 1rem;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}

.tracker-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.tracker-tab:hover:not(.active) {
  color: var(--text);
}

/* Panel */
.tracker-panel {
  display: none;
  flex-direction: column;
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem 1.25rem 2rem;
  gap: 1.5rem;
}

.tracker-panel.active {
  display: flex;
}

/* Summary stats row */
.tracker-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

/* Chart */
.tracker-chart-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  position: relative;
  min-height: 200px;
}

/* Section */
.tracker-section {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.tracker-section-title {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

/* Form */
.tracker-form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.tracker-form input,
.tracker-form select {
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--input-bg);
  color: var(--text);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
}

.tracker-form input:focus,
.tracker-form select:focus {
  border-color: var(--accent);
}

.tracker-form select option {
  background: var(--primary);
}

.tracker-form-inline {
  display: grid;
  grid-template-columns: 1fr 1fr 100px auto;
  gap: 0.5rem;
  align-items: center;
}

.tracker-btn {
  width: auto;
  padding: 0.75rem 1rem;
  white-space: nowrap;
}

/* Empty state */
.tracker-empty {
  color: var(--text-muted);
  font-size: 0.88rem;
  text-align: center;
  padding: 1.5rem 0;
}

/* Payment list */
.payment-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  gap: 0.75rem;
}

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

.payment-item-left {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.payment-item-amount {
  font-weight: 700;
  font-size: 0.95rem;
}

.payment-item-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.btn-delete {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-muted);
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  cursor: pointer;
  flex-shrink: 0;
  transition: color 0.2s, border-color 0.2s;
}

.btn-delete:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* Budget income row */
.budget-income-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
}

.budget-income-value {
  font-weight: 700;
  color: #4ade80;
}

/* Budget item row */
.budget-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
  gap: 0.75rem;
}

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

.budget-item-info {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  flex: 1;
  min-width: 0;
}

.budget-item-label {
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.budget-item-cat {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: capitalize;
}

.budget-item-amount {
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}

/* Budget summary footer */
.budget-summary {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.budget-summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
}

.budget-summary-row:last-child {
  border-bottom: none;
}

.budget-summary-row span:first-child {
  color: var(--text-muted);
}

.budget-summary-row span:last-child {
  font-weight: 600;
}

.budget-summary-total {
  background: rgba(233, 69, 96, 0.07);
}

.budget-summary-total span {
  font-weight: 700 !important;
  font-size: 0.95rem !important;
  color: var(--text) !important;
}

.amount-positive { color: #4ade80; }
.amount-negative { color: var(--accent); }

@media (max-width: 640px) {
  #tracker-app {
    max-width: 100%;
  }

  .tracker-stats {
    grid-template-columns: 1fr 1fr;
  }

  .tracker-form-inline {
    grid-template-columns: 1fr 1fr;
  }

  .tracker-form-inline .tracker-btn {
    grid-column: 1 / -1;
  }
}