/* alcohol-calculator.css */

/* 프리셋 버튼 */
.drink-preset-section {
  margin-bottom: 1.5rem;
}

.drink-preset-section h2 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.drink-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.drink-preset-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  padding: 0.625rem 1rem;
  background: var(--glass-bg, rgba(255,255,255,0.6));
  border: 1px solid var(--glass-border, #E8E6DC);
  border-radius: 10px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  color: inherit;
  transition: all 0.15s;
  min-width: 80px;
}

.drink-preset-btn span {
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--text-secondary, #94a3b8);
}

.drink-preset-btn:hover,
.drink-preset-btn.active {
  border-color: var(--pastel-blue-1, #D97757);
  background: rgba(217, 119, 87, 0.08);
  color: var(--pastel-blue-1, #D97757);
}

/* 입력 섹션 */
.drink-input-section {
  margin-bottom: 1.5rem;
}

.drink-input-section h2,
.quick-calc-section h2,
.drink-log-section h2,
.drink-total-section h2 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.drink-form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-bottom: 1rem;
}

@media (min-width: 640px) {
  .drink-form-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* 빠른 계산 결과 */
.quick-calc-section {
  margin-bottom: 1.5rem;
}

.quick-result {
  background: var(--glass-bg, rgba(255,255,255,0.6));
  border: 1px solid var(--glass-border, #E8E6DC);
  border-radius: 12px;
  padding: 1rem 1.25rem;
}

.quick-result-empty {
  color: var(--text-secondary, #94a3b8);
  font-size: 0.875rem;
  text-align: center;
  margin: 0;
}

.quick-result-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

@media (min-width: 480px) {
  .quick-result-grid { grid-template-columns: repeat(4, 1fr); }
}

.quick-result-item {
  text-align: center;
}

.quick-result-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--pastel-blue-1, #D97757);
  line-height: 1.1;
}

.quick-result-label {
  font-size: 0.75rem;
  color: var(--text-secondary, #94a3b8);
  margin-top: 0.2rem;
}

/* 음주 기록 */
.drink-log-section {
  margin-bottom: 1.5rem;
}

.drink-log-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.drink-log {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-height: 60px;
}

.drink-log-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 2rem;
  color: var(--text-secondary, #94a3b8);
  font-size: 0.875rem;
  border: 2px dashed var(--glass-border, #E8E6DC);
  border-radius: 12px;
}

.drink-log-empty i { font-size: 1.5rem; }

.drink-item {
  display: grid;
  grid-template-columns: 1fr auto auto auto auto;
  gap: 0.5rem;
  align-items: center;
  background: var(--glass-bg, rgba(255,255,255,0.6));
  border: 1px solid var(--glass-border, #E8E6DC);
  border-radius: 10px;
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
}

@media (max-width: 480px) {
  .drink-item {
    grid-template-columns: 1fr 1fr auto;
    grid-template-rows: auto auto;
  }
  .drink-item-name { grid-column: 1 / 3; }
}

.drink-item-name { font-weight: 500; }
.drink-item-alcohol { color: var(--pastel-blue-1, #D97757); font-weight: 600; }
.drink-item-kcal { color: #f59e0b; }
.drink-item-standard { color: #10b981; }

.drink-item-delete {
  background: none;
  border: none;
  color: #94a3b8;
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 6px;
  transition: all 0.15s;
}

.drink-item-delete:hover { color: #ef4444; background: #fef2f2; }
html.dark .drink-item-delete:hover { background: rgba(239,68,68,0.15); }

/* 합계 */
.drink-total-section {
  margin-bottom: 1.5rem;
}

.drink-total-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-bottom: 1rem;
}

@media (min-width: 480px) {
  .drink-total-grid { grid-template-columns: repeat(4, 1fr); }
}

.drink-total-card {
  background: var(--glass-bg, rgba(255,255,255,0.6));
  border: 1px solid var(--glass-border, #E8E6DC);
  border-radius: 12px;
  padding: 1rem;
  text-align: center;
}

.drink-total-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--pastel-blue-1, #D97757);
  line-height: 1.1;
}

.drink-total-label {
  font-size: 0.75rem;
  color: var(--text-secondary, #94a3b8);
  margin-top: 0.3rem;
}

.drink-warning {
  border-radius: 10px;
  padding: 0.875rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
}

.drink-warning.warn-low {
  background: rgba(16, 185, 129, 0.1);
  color: #059669;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.drink-warning.warn-mid {
  background: rgba(245, 158, 11, 0.1);
  color: #d97706;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.drink-warning.warn-high {
  background: rgba(239, 68, 68, 0.1);
  color: #dc2626;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* 계산식 안내 */
.formula-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.formula-item {
  background: var(--glass-bg, rgba(255,255,255,0.6));
  border: 1px solid var(--glass-border, #E8E6DC);
  border-radius: 12px;
  padding: 1rem;
}

.formula-title {
  font-weight: 700;
  margin-bottom: 0.4rem;
  color: var(--pastel-blue-1, #D97757);
  font-size: 0.9rem;
}

.formula-expr {
  font-family: monospace;
  font-size: 0.875rem;
  background: rgba(0,0,0,0.04);
  padding: 0.4rem 0.6rem;
  border-radius: 6px;
  margin-bottom: 0.4rem;
}

html.dark .formula-expr { background: rgba(255,255,255,0.07); }

.formula-desc {
  font-size: 0.8rem;
  color: var(--text-secondary, #94a3b8);
}

/* FAQ */
.faq-container { display: flex; flex-direction: column; gap: 0.5rem; }
.faq-item { border: 1px solid var(--glass-border, #E8E6DC); border-radius: 10px; overflow: hidden; }
.faq-question { width: 100%; text-align: left; background: none; border: none; padding: 0.875rem 1rem; font-size: 0.9rem; font-weight: 500; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 0.5rem; color: inherit; transition: background 0.15s; }
.faq-question:hover { background: rgba(217, 119, 87, 0.05); }
.faq-question i { flex-shrink: 0; transition: transform 0.2s; color: var(--text-secondary, #94a3b8); }
.faq-item.open .faq-question i { transform: rotate(180deg); }
.faq-answer { display: none; padding: 0 1rem 0.875rem; font-size: 0.875rem; color: var(--text-secondary, #64748b); line-height: 1.6; }
.faq-item.open .faq-answer { display: block; }