/* =================================
   생활비 계산기 전용 스타일
   ================================= */

/* 수입 섹션 */
.income-section {
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  backdrop-filter: blur(10px);
}

.income-section h2 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.income-section h2 i { color: var(--pastel-blue-1); }

.income-section h2::before { display: none; }

/* 지출 섹션 */
.expense-section {
  margin-bottom: 2rem;
}

.expense-section h2 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.expense-section h2::before { display: none; }
.expense-section h2 i { color: var(--pastel-blue-1); }

.section-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

/* 지출 그리드 */
.expense-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.expense-item {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 1.25rem;
  transition: var(--transition-smooth);
}

.expense-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
  border-color: var(--pastel-blue-2);
}

.expense-item label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
  font-size: 0.95rem;
}

.cat-emoji { font-size: 1.1rem; }

.cat-desc {
  display: block;
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.expense-item .input-group {
  position: relative;
  flex-direction: row;
  align-items: center;
}

.expense-item .form-input {
  width: 100%;
  padding: 0.75rem 3rem 0.75rem 0.875rem;
  border: 1.5px solid var(--glass-border);
  border-radius: 10px;
  background: var(--glass-bg);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: var(--transition-smooth);
  outline: none;
}

.expense-item .form-input:focus {
  border-color: var(--pastel-blue-2);
  box-shadow: 0 0 0 3px rgba(217, 119, 87, 0.15);
}

.input-suffix {
  position: absolute;
  right: 0.875rem;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.85rem;
  pointer-events: none;
}

/* 수입 입력 크기 */
.income-section .input-group .form-input {
  padding: 1rem 3.5rem 1rem 1rem;
  font-size: 1.1rem;
  border-radius: 12px;
  border: 2px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--text-primary);
  width: 100%;
  outline: none;
  transition: var(--transition-smooth);
}

.income-section .input-group .form-input:focus {
  border-color: var(--pastel-blue-2);
  box-shadow: 0 0 0 3px rgba(217, 119, 87, 0.2);
}

/* 버튼 영역 */
.form-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
  justify-content: center;
}

.btn-lg { min-width: 160px; }

/* ===== 결과 영역 ===== */
.result-container {
  margin-top: 2rem;
  animation: fadeInUp 0.4s ease;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* 요약 카드 */
.summary-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.summary-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 1.25rem;
  text-align: center;
  transition: var(--transition-smooth);
}

.summary-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-medium);
}

.summary-card.highlight {
  background: var(--gradient-primary);
  color: white;
  border-color: transparent;
}

.summary-card.surplus { border-left: 4px solid #22c55e; }
.summary-card.deficit { border-left: 4px solid #ef4444; }

.summary-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
}

.summary-card.highlight .summary-label { color: rgba(255,255,255,0.85); }

.summary-value {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
}

.summary-card.highlight .summary-value { color: white; }
.summary-value.positive { color: #22c55e; }
.summary-value.negative { color: #ef4444; }

.summary-sub {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

/* 저축률 게이지 */
.savings-gauge-section {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.savings-gauge-section h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.savings-gauge-section h3::before { display: none; }
.savings-gauge-section h3 i { color: var(--pastel-blue-1); }

.gauge-bar-wrap {
  background: var(--pastel-blue-3);
  border-radius: 99px;
  height: 20px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.gauge-bar {
  height: 100%;
  border-radius: 99px;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  background: linear-gradient(90deg, #22c55e, #16a34a);
}

.gauge-bar.warning { background: linear-gradient(90deg, #f59e0b, #d97706); }
.gauge-bar.danger  { background: linear-gradient(90deg, #ef4444, #dc2626); }

.gauge-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.gauge-message {
  margin-top: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 500;
}

.gauge-message.good    { background: rgba(34,197,94,0.12); color: #16a34a; }
.gauge-message.warning { background: rgba(245,158,11,0.12); color: #b45309; }
.gauge-message.danger  { background: rgba(239,68,68,0.12);  color: #dc2626; }

/* 카테고리 차트 */
.chart-section {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.chart-section h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.chart-section h3::before { display: none; }
.chart-section h3 i { color: var(--pastel-blue-1); }

.chart-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.chart-label {
  width: 110px;
  flex-shrink: 0;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.chart-bar-wrap {
  flex: 1;
  background: var(--pastel-blue-3);
  border-radius: 99px;
  height: 16px;
  overflow: hidden;
}

.chart-bar-fill {
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--pastel-blue-1), var(--pastel-blue-2));
  transition: width 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.chart-pct {
  width: 44px;
  flex-shrink: 0;
  text-align: right;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--pastel-blue-1);
}

.chart-amount {
  width: 100px;
  flex-shrink: 0;
  text-align: right;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* 50/30/20 비교 */
.rule-section {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 1.5rem;
}

.rule-section h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.rule-section h3::before { display: none; }
.rule-section h3 i { color: var(--pastel-blue-1); }

.rule-compare-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.rule-compare-item {
  text-align: center;
  padding: 1rem;
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  background: rgba(250,249,245,0.3);
}

.rule-compare-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.rule-compare-target {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.rule-compare-actual {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
}

.rule-compare-actual.good    { color: #22c55e; }
.rule-compare-actual.warning { color: #f59e0b; }
.rule-compare-actual.danger  { color: #ef4444; }

.rule-compare-badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 600;
}

.rule-compare-badge.good    { background: rgba(34,197,94,0.15);  color: #16a34a; }
.rule-compare-badge.warning { background: rgba(245,158,11,0.15); color: #b45309; }
.rule-compare-badge.danger  { background: rgba(239,68,68,0.15);  color: #dc2626; }

/* 50/30/20 안내 카드 */
.rule-guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-top: 1rem;
}

.rule-card {
  border-radius: 14px;
  padding: 1.5rem;
  text-align: center;
  border: 1px solid var(--glass-border);
  transition: var(--transition-smooth);
}

.rule-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-medium); }

.rule-card.essential     { background: rgba(239,68,68,0.07);  border-color: rgba(239,68,68,0.2); }
.rule-card.discretionary { background: rgba(245,158,11,0.07); border-color: rgba(245,158,11,0.2); }
.rule-card.savings       { background: rgba(34,197,94,0.07);  border-color: rgba(34,197,94,0.2); }

.rule-pct {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.rule-card.essential     .rule-pct { color: #ef4444; }
.rule-card.discretionary .rule-pct { color: #f59e0b; }
.rule-card.savings       .rule-pct { color: #22c55e; }

.rule-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.rule-card h3::before { display: none; }

.rule-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* FAQ */
.faq-container { display: flex; flex-direction: column; gap: 0.75rem; }

.faq-item {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 1.25rem 1.5rem;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-smooth);
}

.faq-question:hover { background: rgba(217,119,87,0.05); }
.faq-question i { color: var(--pastel-blue-1); transition: transform 0.3s ease; }
.faq-item.active .faq-question i { transform: rotate(180deg); }

.faq-answer {
  display: none;
  padding: 0 1.5rem 1.25rem;
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* 반응형 */
@media (max-width: 768px) {
  .expense-grid { grid-template-columns: 1fr 1fr; }
  .form-actions { flex-direction: column; align-items: stretch; }
  .summary-cards { grid-template-columns: 1fr 1fr; }
  .rule-compare-grid { grid-template-columns: 1fr; }
  .chart-label { width: 88px; font-size: 0.8rem; }
  .chart-amount { display: none; }
}

@media (max-width: 480px) {
  .expense-grid { grid-template-columns: 1fr; }
  .summary-cards { grid-template-columns: 1fr; }
  .rule-guide-grid { grid-template-columns: 1fr; }
  .summary-value { font-size: 1.2rem; }
}