/* ── Tips Section ── */
.tips {
  background: rgba(74,222,128,0.04);
  border: 1px solid rgba(74,222,128,0.14);
  border-radius: var(--radius);
  padding: 1.5rem 1.6rem;
  margin-top: 1.8rem;
}
.tips h3 {
  color: var(--green);
  margin-bottom: 1rem;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.tips h3::before { content: '💡'; font-size: 1rem; }
.tips ul { list-style: none; }
.tips li {
  padding: 0.55rem 0 0.55rem 1.6rem;
  position: relative;
  color: rgba(180,220,180,0.9);
  font-size: 0.875rem;
  line-height: 1.5;
  border-bottom: 1px solid rgba(74,222,128,0.08);
}
.tips li:last-child { border-bottom: none; }
.tips li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 700;
}

/* ── Checklist ── */
.checklist {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem;
  margin-top: 0.5rem;
}
.checklist h3 {
  color: var(--blue);
  margin-bottom: 1.2rem;
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.check-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.2rem 2rem;
}
.checklist label {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.55rem 0.4rem;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 0.86rem;
  line-height: 1.4;
  border-radius: var(--radius-xs);
  transition: background var(--transition);
}
.checklist label:hover { background: rgba(255,255,255,0.03); }
.checklist input[type="checkbox"] {
  accent-color: var(--blue);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 2px;
}
.checklist label:has(input:checked) {
  text-decoration: line-through;
  color: var(--text-muted);
}

/* ── Expense Tracker ── */
.expense-tracker {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem;
  margin-top: 0.5rem;
}
.expense-tracker h3 {
  color: var(--purple);
  margin-bottom: 1.2rem;
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.expense-bar-bg {
  width: 100%;
  height: 20px;
  background: rgba(255,255,255,0.05);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 0.6rem;
  border: 1px solid var(--border);
}
.expense-bar-fill {
  height: 100%;
  border-radius: 999px;
  transition: width 0.6s cubic-bezier(0.4,0,0.2,1), background 0.4s;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.68rem;
  font-weight: 700;
  color: rgba(0,0,0,0.7);
  min-width: 2rem;
}
.expense-row {
  display: flex;
  gap: 0.6rem;
  margin: 1rem 0 0.5rem;
  align-items: center;
}
.expense-row input { flex: 1; }
.expense-row .form-input {
  font-size: 0.875rem;
  padding: 0.6rem 0.9rem;
}
.expense-list { margin-top: 1rem; }
.expense-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.65rem 0.8rem;
  border-radius: var(--radius-xs);
  transition: background var(--transition);
  font-size: 0.87rem;
}
.expense-item:hover { background: rgba(255,255,255,0.03); }
.expense-item + .expense-item { border-top: 1px solid var(--border); }
.expense-item .exp-name { color: var(--text-secondary); }
.expense-item .exp-amount {
  color: var(--green);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.expense-item .exp-del {
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.8rem;
  margin-left: 0.8rem;
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all var(--transition);
}
.expense-item .exp-del:hover {
  color: var(--red);
  background: rgba(248,113,113,0.12);
}

@media (max-width: 640px) {
  .check-grid { grid-template-columns: 1fr; }
  .checklist, .expense-tracker { padding: 1.2rem; }
}