/* =========================================================
   CSS 변수 & 기본 리셋
   ========================================================= */
:root {
  --color-primary: #4f46e5;
  --color-primary-dark: #3730a3;
  --color-primary-light: #e0e7ff;
  --color-secondary: #06b6d4;
  --color-naver: #03c75a;
  --color-naver-dark: #02a84c;
  --color-coupang: #f24b00;
  --color-coupang-dark: #d44200;

  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-border: #e2e8f0;
  --color-text: #0f172a;
  --color-text-muted: #64748b;
  --color-text-light: #94a3b8;

  --color-key: #7c3aed;
  --color-key-bg: #ede9fe;
  --color-harmful: #dc2626;
  --color-harmful-bg: #fee2e2;
  --color-success: #059669;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,.12);

  --transition: 0.2s ease;
  --font: 'Noto Sans KR', sans-serif;

  --container-max: 1200px;
  --header-h: 64px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* =========================================================
   레이아웃
   ========================================================= */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1rem;
}
.main-content { flex: 1; padding-bottom: 3rem; }

/* =========================================================
   헤더
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
.site-header .container {
  display: flex;
  align-items: center;
  height: var(--header-h);
  gap: 1rem;
}
.logo {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--color-primary);
}
.logo-icon { font-size: 1.5rem; }
.nav-links { display: flex; gap: .5rem; margin-left: auto; }
.nav-link {
  padding: .4rem .8rem;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  color: var(--color-text-muted);
  transition: background var(--transition), color var(--transition);
}
.nav-link:hover { background: var(--color-primary-light); color: var(--color-primary); }

/* 모바일 메뉴 버튼 */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  margin-left: auto;
  padding: .5rem;
}
.mobile-menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}
.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: .5rem 0;
}
.mobile-menu.open { display: flex; }
.mobile-nav-link {
  padding: .8rem 1.5rem;
  font-size: 1rem;
  color: var(--color-text);
  transition: background var(--transition);
}
.mobile-nav-link:hover { background: var(--color-bg); }

/* =========================================================
   메시지
   ========================================================= */
.messages-container {
  position: fixed;
  top: calc(var(--header-h) + 1rem);
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  width: min(90vw, 480px);
}
.message {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .75rem 1rem;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
  font-size: .9rem;
  gap: .5rem;
}
.message-error { border-left: 4px solid var(--color-harmful); }
.message-success { border-left: 4px solid var(--color-success); }
.message-close {
  flex-shrink: 0;
  font-size: .8rem;
  color: var(--color-text-light);
}

/* =========================================================
   버튼
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  padding: .6rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 500;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.btn:active { transform: scale(.98); }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); box-shadow: var(--shadow-md); }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.btn-secondary { background: var(--color-secondary); color: #fff; }
.btn-secondary:hover { opacity: .9; }
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--color-border);
  color: var(--color-text);
}
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-ghost { background: transparent; color: var(--color-text-muted); }
.btn-ghost:hover { background: var(--color-bg); }
.btn-sm { padding: .35rem .75rem; font-size: .82rem; }
.btn-full { width: 100%; }
.btn-naver { background: var(--color-naver); color: #fff; }
.btn-naver:hover { background: var(--color-naver-dark); }
.btn-coupang { background: var(--color-coupang); color: #fff; }
.btn-coupang:hover { background: var(--color-coupang-dark); }
.shop-icon { width: 16px; height: 16px; object-fit: contain; }

/* =========================================================
   히어로 섹션
   ========================================================= */
.hero {
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #0ea5e9 100%);
  color: #fff;
  padding: 4rem 0;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 3rem;
  align-items: center;
}
.hero-title {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
}
.highlight { color: #fde68a; }
.hero-desc {
  font-size: 1rem;
  opacity: .9;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}
.hero-badges { display: flex; flex-wrap: wrap; gap: .5rem; }
.badge {
  background: rgba(255,255,255,.2);
  backdrop-filter: blur(4px);
  border-radius: var(--radius-full);
  padding: .3rem .75rem;
  font-size: .82rem;
  font-weight: 500;
}

/* 업로드 카드 */
.upload-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.drop-zone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem 1rem;
  text-align: center;
  transition: border-color var(--transition), background var(--transition);
  margin-bottom: 1rem;
  cursor: pointer;
}
.drop-zone:hover, .drop-zone.drag-over {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}
.file-input { display: none; }
.drop-icon { font-size: 2.5rem; margin-bottom: .5rem; }
.drop-title { font-weight: 600; margin-bottom: .25rem; color: var(--color-text); }
.drop-sub { font-size: .82rem; color: var(--color-text-muted); margin-bottom: 1rem; }
.preview-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
}
.preview-img {
  max-height: 180px;
  object-fit: contain;
  border-radius: var(--radius-sm);
}
.preview-name { font-size: .82rem; color: var(--color-text-muted); }

/* 로딩 오버레이 */
.loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,.92);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  backdrop-filter: blur(4px);
}
.loading-spinner {
  width: 40px; height: 40px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-text { font-weight: 600; color: var(--color-primary); }
.loading-sub { font-size: .82rem; color: var(--color-text-muted); }

/* =========================================================
   사용 방법 섹션
   ========================================================= */
.how-it-works {
  padding: 4rem 0;
  background: var(--color-surface);
}
.section-title {
  font-size: 1.6rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 2.5rem;
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.step-card {
  text-align: center;
  padding: 1.5rem 1rem;
  border-radius: var(--radius-md);
  background: var(--color-bg);
  position: relative;
}
.step-num {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-size: .82rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.step-icon { font-size: 2rem; margin-bottom: .75rem; }
.step-title { font-weight: 600; margin-bottom: .5rem; font-size: 1rem; }
.step-desc { font-size: .85rem; color: var(--color-text-muted); line-height: 1.6; }

/* CTA */
.cta-section { padding: 3rem 0; }
.cta-card {
  background: linear-gradient(135deg, var(--color-primary-light), #e0f2fe);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  text-align: center;
}
.cta-title { font-size: 1.4rem; font-weight: 700; margin-bottom: .75rem; }
.cta-desc { color: var(--color-text-muted); margin-bottom: 1.5rem; }

/* =========================================================
   결과 페이지 레이아웃 (사이드바 + 메인)
   ========================================================= */
.results-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 1.5rem;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
  align-items: start;
}

/* ── 성분 패널 (왼쪽) ── */
.ing-panel {
  position: sticky;
  top: calc(var(--header-h) + 1rem);
  max-height: calc(100vh - var(--header-h) - 2rem);
  overflow-y: auto;
}
.ing-panel-inner {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  padding: 1.25rem;
}
.ing-header {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin-bottom: 1rem;
}
/* 모바일 접기 버튼 — 데스크탑에서는 숨김 */
.ing-toggle-btn {
  display: none;
  margin-left: auto;
  align-items: center;
  gap: .25rem;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: .2rem .65rem;
  font-size: .78rem;
  color: var(--color-text-muted);
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
}
.ing-toggle-btn:hover { background: var(--color-surface-alt, #f8f9fa); }
.ing-toggle-arrow { transition: transform .3s ease; display: inline-block; }
.ing-toggle-btn.collapsed .ing-toggle-arrow { transform: rotate(-90deg); }
.ing-title { font-size: 1rem; font-weight: 700; }
.ing-total-badge {
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-full);
  padding: .1rem .5rem;
  font-size: .75rem;
  font-weight: 700;
}

/* 주의 성분 배너 */
.harmful-banner {
  display: flex;
  gap: .6rem;
  background: var(--color-harmful-bg);
  border: 1px solid #fca5a5;
  border-radius: var(--radius-sm);
  padding: .7rem .9rem;
  margin-bottom: .9rem;
  font-size: .82rem;
  color: var(--color-harmful);
}
.harmful-banner strong { display: block; margin-bottom: .15rem; }
.harmful-icon { font-size: 1.1rem; flex-shrink: 0; }

/* 범례 */
.legend-row {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem .9rem;
  margin-bottom: .9rem;
  padding-bottom: .9rem;
  border-bottom: 1px solid var(--color-border);
}
.legend-item { display: flex; align-items: center; gap: .3rem; font-size: .72rem; color: var(--color-text-muted); }
.legend-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot-sel     { background: #3b82f6; }
.dot-unsel   { background: #e2e8f0; }
.dot-harmful { background: #dc2626; }

/* 전체 선택/해제 */
.ing-bulk-actions {
  display: flex;
  align-items: center;
  gap: .4rem;
  margin-bottom: .9rem;
  flex-wrap: wrap;
}
.bulk-btn {
  padding: .3rem .7rem;
  border-radius: var(--radius-full);
  font-size: .78rem;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all var(--transition);
}
.bulk-btn-select {
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.bulk-btn-select:hover { background: var(--color-primary); color: #fff; }
.bulk-btn-deselect {
  background: #f1f5f9;
  color: var(--color-text-muted);
  border-color: var(--color-border);
}
.bulk-btn-deselect:hover { background: #e2e8f0; }
.selected-count { font-size: .75rem; color: var(--color-text-muted); margin-left: auto; }

/* 성분 칩 컨테이너 */
.ing-chips {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  margin-bottom: .75rem;
}

/* 성분 칩 기본 */
.ing-chip {
  display: inline-flex;
  align-items: center;
  padding: .28rem .65rem;
  border-radius: var(--radius-full);
  font-size: .8rem;
  font-family: inherit;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all .15s ease;
  user-select: none;
  line-height: 1.4;
}
.ing-chip:active { transform: scale(.96); }

/* ── 성분 칩 상태 색상 (선택/미선택/주의) ── */

/* 선택됨 → 파란색 계열 */
.ing-chip.state-sel {
  background: #eff6ff;
  color: #1d4ed8;
  border-color: #3b82f6;
  box-shadow: 0 1px 4px rgba(59,130,246,.2);
  font-weight: 600;
}
.ing-chip.state-sel:hover { background: #dbeafe; }

/* 미선택 → 회색 */
.ing-chip.state-unsel {
  background: #f1f5f9;
  color: #94a3b8;
  border-color: #e2e8f0;
}
.ing-chip.state-unsel:hover { background: #e2e8f0; color: #64748b; }

/* 주의 성분 → 빨강 */
.ing-chip.state-harmful {
  background: #dc2626;
  color: #fff;
  border-color: #dc2626;
}
.ing-chip.state-harmful:hover { background: #b91c1c; }

.ing-hint { font-size: .72rem; color: var(--color-text-light); line-height: 1.5; }
.ing-subtitle { font-size: .75rem; color: var(--color-text-muted); margin-bottom: .75rem; line-height: 1.5; }

/* 성분 정보 패널 */
.ing-info-panel {
  margin-top: 1rem;
  border-top: 1px solid var(--color-border);
  padding-top: .75rem;
}
.ing-info-header {
  font-size: .75rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: .5rem;
}
.info-row {
  display: flex;
  flex-direction: column;
  gap: .15rem;
  padding: .45rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: .8rem;
}
.info-row:last-child { border-bottom: none; }
.info-row-harmful { background: #fff5f5; border-radius: var(--radius-sm); padding: .45rem .5rem; }
.info-name { font-weight: 600; color: var(--color-text); }
.info-row-harmful .info-name { color: #dc2626; }
.info-desc { display: flex; flex-direction: column; gap: .1rem; }
.info-benefit { color: var(--color-text-muted); }
.info-harm { color: #dc2626; font-weight: 500; }

/* ── 오른쪽 제품 영역 ── */
.products-area { }
.products-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.products-title { font-size: 1.2rem; font-weight: 700; }
.result-count { font-size: .88rem; color: var(--color-text-muted); }

/* 상태 박스 */
.state-box {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .75rem;
  padding: 3rem 1rem;
  text-align: center;
  color: var(--color-text-muted);
  font-size: .95rem;
}
.no-results-icon { font-size: 2.5rem; }
.error-state { color: var(--color-harmful); }

/* 결과 페이지 이전 스타일 (하위 호환) */
.results-page { padding-top: 2rem; }

/* 성분 패널 (이전) */
.ingredients-panel {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 1rem;
}
.panel-title { font-size: 1.1rem; font-weight: 700; }
.panel-actions { display: flex; gap: .5rem; }
.count-badge {
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-full);
  padding: .1rem .5rem;
  font-size: .78rem;
  font-weight: 600;
  vertical-align: middle;
  margin-left: .25rem;
}

.harmful-alert {
  background: var(--color-harmful-bg);
  border: 1px solid #fca5a5;
  border-radius: var(--radius-sm);
  padding: .75rem 1rem;
  margin-bottom: 1rem;
  font-size: .9rem;
  color: var(--color-harmful);
}

/* 성분 칩 */
.ingredient-chips {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-bottom: .75rem;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: .2rem;
  padding: .3rem .65rem;
  border-radius: var(--radius-full);
  font-size: .82rem;
  cursor: pointer;
  border: 1.5px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text-muted);
  transition: all var(--transition);
  user-select: none;
}
.chip:hover { border-color: var(--color-primary); color: var(--color-primary); }
.chip-selected {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.chip-key.chip-selected {
  background: var(--color-key-bg);
  border-color: var(--color-key);
  color: var(--color-key);
}
.chip-harmful.chip-selected {
  background: var(--color-harmful-bg);
  border-color: var(--color-harmful);
  color: var(--color-harmful);
}
.chip-star { font-size: .7rem; }
.ingredient-hint { font-size: .78rem; color: var(--color-text-light); }

/* 제품 섹션 */
.products-section { }
.section-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.section-title { font-size: 1.3rem; font-weight: 700; }
.result-count { color: var(--color-text-muted); font-size: .9rem; }

/* =========================================================
   스캐너 결과 카드 (result-card)
   ========================================================= */
.result-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
}
.result-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.result-card-img-wrap {
  position: relative;
  height: 160px;
  overflow: hidden;
  background: var(--color-bg);
  flex-shrink: 0;
}
.result-card-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.result-card-body {
  padding: .9rem 1rem .6rem;
  flex: 1;
}

.result-score-row {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin: .4rem 0;
}
.result-score-track {
  flex: 1;
  height: 5px;
  background: var(--color-border);
  border-radius: 3px;
  overflow: hidden;
}
.result-score-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-primary));
  border-radius: 3px;
  transition: width .5s ease;
}
.result-score-pct { font-size: .73rem; color: var(--color-text-muted); white-space: nowrap; }

.result-matched-chips {
  display: flex;
  flex-wrap: wrap;
  gap: .25rem;
  margin: .4rem 0;
}
.result-matched-chip {
  background: #eff6ff;
  color: #1d4ed8;
  border: 1px solid #bfdbfe;
  border-radius: var(--radius-full);
  padding: .1rem .45rem;
  font-size: .7rem;
}

.result-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: .4rem;
  gap: .25rem;
  flex-wrap: wrap;
}

.result-card-btns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .5rem;
  padding: .65rem 1rem .85rem;
  border-top: 1px solid var(--color-border);
}
.shop-btn {
  display: block;
  text-align: center;
  padding: .45rem .5rem;
  border-radius: var(--radius-sm);
  font-size: .8rem;
  font-weight: 600;
  text-decoration: none;
  transition: opacity var(--transition);
}
.shop-btn:hover { opacity: .85; }
.shop-btn-disabled {
  background: #d1d5db;
  color: #6b7280;
}
.shop-btn-disabled:hover {
  background: #9ca3af;
  color: #374151;
  opacity: 1;
}

/* 신고 버튼 */
.report-btn {
  position: absolute;
  top: 6px;
  right: 6px;
  z-index: 2;
  background: rgba(255,255,255,0.85);
  border: 1px solid #e5e7eb;
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 0.7rem;
  color: #9ca3af;
  cursor: pointer;
  line-height: 1.4;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.report-btn:hover {
  background: #fee2e2;
  color: #dc2626;
  border-color: #fca5a5;
}
.report-btn.active {
  background: #fee2e2;
  color: #dc2626;
  border-color: #fca5a5;
}
.report-btn.active:hover {
  background: #fecaca;
}
/* 신고 토스트 */
.report-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: #1f2937;
  color: #fff;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 0.85rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 9999;
}
.report-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* =========================================================
   제품 그리드 & 카드
   ========================================================= */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}
.product-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.product-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.product-card-link { display: block; color: inherit; }

.card-image-wrap {
  position: relative;
  height: 180px;
  overflow: hidden;
  background: var(--color-bg);
}
.card-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform .3s ease;
}
.product-card:hover .card-image { transform: scale(1.04); }
.card-no-image {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--color-text-light);
}
.card-rank {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-full);
  padding: .1rem .5rem;
  font-size: .75rem;
  font-weight: 700;
}
.card-body { padding: 1rem; }
.card-brand { font-size: .78rem; color: var(--color-text-muted); margin-bottom: .2rem; }
.card-name { font-size: .95rem; font-weight: 600; margin-bottom: .5rem; line-height: 1.4; }

.score-bar-wrap {
  height: 4px;
  background: var(--color-border);
  border-radius: 2px;
  margin-bottom: .25rem;
}
.score-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-primary));
  border-radius: 2px;
  transition: width .5s ease;
}
.score-label { font-size: .75rem; color: var(--color-text-muted); }

.matched-ingredients { display: flex; flex-wrap: wrap; gap: .25rem; margin: .5rem 0; }
.matched-chip {
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  padding: .15rem .5rem;
  font-size: .72rem;
}
.matched-more { color: var(--color-text-light); font-size: .72rem; align-self: center; }

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: .5rem;
  flex-wrap: wrap;
  gap: .25rem;
}
.card-price { font-weight: 700; font-size: .9rem; color: var(--color-primary); }

.card-ingredients { display: flex; flex-wrap: wrap; gap: .25rem; margin-top: .5rem; }
/* 제품 목록 카드 성분 칩 (선택/미선택만 구분, key 구분 없음) */
.ing-chip {
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-full);
  padding: .1rem .45rem;
  font-size: .72rem;
  border: 1px solid transparent;
}
.ing-chip-selected {
  background: #eff6ff;
  border-color: #3b82f6;
  color: #1d4ed8;
}
.ing-chip-normal {
  background: var(--color-bg);
  border-color: var(--color-border);
  color: var(--color-text-muted);
}
.ing-chip-empty {
  font-size: .72rem;
  color: var(--color-text-light);
}
/* 하위호환 */
.ing-chip-key {
  background: var(--color-key-bg);
  border-color: var(--color-key);
  color: var(--color-key);
}

.card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .5rem;
  padding: .75rem 1rem 1rem;
  border-top: 1px solid var(--color-border);
}
.card-actions .btn { font-size: .8rem; padding: .45rem .5rem; }

/* =========================================================
   제품 상세 페이지
   ========================================================= */
.page-header { padding: 2rem 0 1.5rem; }
.page-title { font-size: 1.5rem; font-weight: 700; margin-bottom: .5rem; }
.page-desc { color: var(--color-text-muted); }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .85rem;
  color: var(--color-text-muted);
  padding: 1.5rem 0 1rem;
}
.breadcrumb a { color: var(--color-primary); }
.breadcrumb-sep { color: var(--color-text-light); }

.detail-layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}
.detail-image {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}
.detail-no-image {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}
.buy-buttons { display: flex; flex-direction: column; gap: .75rem; margin-top: 1rem; }

.detail-brand { font-size: .9rem; color: var(--color-text-muted); margin-bottom: .25rem; }
.detail-name { font-size: 1.6rem; font-weight: 700; margin-bottom: 1rem; line-height: 1.3; }
.detail-meta-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.detail-price { font-size: 1.4rem; font-weight: 700; color: var(--color-primary); }
.detail-desc { color: var(--color-text-muted); line-height: 1.7; margin-bottom: 1.5rem; }

.detail-ingredients { margin-top: 1.5rem; }
.detail-section-title { font-size: 1rem; font-weight: 700; margin-bottom: .75rem; }
.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  padding: .5rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: .9rem;
}
.benefit-name { font-weight: 600; color: var(--color-text); min-width: 120px; flex-shrink: 0; }
.benefit-item-key .benefit-name { color: var(--color-key); }
.benefit-star { color: #f59e0b; font-size: .85em; }
.benefit-text { color: var(--color-text-muted); }
.no-ingredients { color: var(--color-text-light); font-size: .9rem; }

/* =========================================================
   검색 폼
   ========================================================= */
.search-form { margin: 1.5rem 0; }
.search-input-wrap { display: flex; gap: .5rem; max-width: 480px; }
.search-input {
  flex: 1;
  padding: .65rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: .95rem;
  font-family: inherit;
  background: var(--color-surface);
  transition: border-color var(--transition);
}
.search-input:focus { outline: none; border-color: var(--color-primary); }

/* =========================================================
   페이지네이션
   ========================================================= */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}
.page-btn {
  padding: .5rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  font-size: .9rem;
  transition: all var(--transition);
}
.page-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.page-info { color: var(--color-text-muted); font-size: .9rem; }

/* =========================================================
   빈 상태 / 에러 상태
   ========================================================= */
.loading-state, .no-results, .error-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3rem 1rem;
  color: var(--color-text-muted);
}
.no-results-icon { font-size: 3rem; margin-bottom: 1rem; }

/* =========================================================
   푸터
   ========================================================= */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 1.5rem 0;
  text-align: center;
}
.footer-text { font-size: .9rem; color: var(--color-text-muted); margin-bottom: .25rem; }
.footer-sub { font-size: .78rem; color: var(--color-text-light); }

/* =========================================================
   영양소 칩 (스캐너 결과 좌측 패널)
   ========================================================= */
.nutrient-list {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  margin-bottom: .75rem;
}
.nutrient-chip {
  display: flex;
  align-items: center;
  gap: .4rem;
  width: 100%;
  background: #f8fafc;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: .45rem .75rem;
  cursor: pointer;
  text-align: left;
  transition: all var(--transition);
  font-size: .83rem;
}
.nutrient-chip:hover { border-color: var(--color-primary); background: var(--color-primary-light); }
.nutrient-chip.selected {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
  font-weight: 600;
}
.nutrient-name { flex: 1; }
.nutrient-amount {
  font-weight: 700;
  color: var(--color-text);
  font-size: .83rem;
}
.nutrient-dv {
  color: var(--color-text-muted);
  font-size: .72rem;
  background: #f1f5f9;
  border-radius: var(--radius-full);
  padding: .05rem .35rem;
}
.nutrient-chip.selected .nutrient-dv { background: #dbeafe; }

/* 정렬 레이블 */
.sort-label {
  font-size: .82rem;
  color: var(--color-primary);
  margin-bottom: .75rem;
  min-height: 1.2em;
  font-weight: 600;
}

/* 카테고리 배지 */
.category-badge {
  background: var(--color-primary-light);
  color: var(--color-primary);
  border: 1px solid #bfdbfe;
  border-radius: var(--radius-full);
  padding: .15rem .6rem;
  font-size: .78rem;
  font-weight: 700;
}

/* 정렬 기준 영양소 강조 */
.sort-nutrient-highlight {
  display: flex;
  align-items: center;
  gap: .4rem;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: var(--radius-sm);
  padding: .3rem .65rem;
  margin: .35rem 0;
}
.highlight-label { font-size: .78rem; color: #3b82f6; }
.highlight-value { font-size: 1rem; font-weight: 700; color: #1d4ed8; margin-left: auto; }

/* 영양소 미니 테이블 (카드 내) */
.nutrient-mini-table {
  display: flex;
  flex-direction: column;
  gap: .15rem;
  margin: .4rem 0;
}
.nutrient-row {
  display: flex;
  align-items: center;
  font-size: .75rem;
  gap: .25rem;
}
.nutrient-row-scan {
  font-weight: 600;
  color: var(--color-text);
}
.nutrient-row-name {
  flex: 1;
  color: var(--color-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.nutrient-row-scan .nutrient-row-name { color: var(--color-text); }
.nutrient-row-amount { font-weight: 700; white-space: nowrap; }
.nutrient-dv-mini {
  color: var(--color-text-light);
  font-size: .68rem;
  margin-left: .2rem;
}

/* =========================================================
   영양소 테이블 (상세 페이지)
   ========================================================= */
.detail-nutrients { margin-top: 1.5rem; }
.detail-serving {
  font-size: .85rem;
  color: var(--color-text-muted);
  margin: .25rem 0 .5rem;
}
.detail-category-badge {
  background: var(--color-primary-light);
  color: var(--color-primary);
  border: 1px solid #bfdbfe;
  border-radius: var(--radius-full);
  padding: .15rem .6rem;
  font-size: .8rem;
  font-weight: 600;
}
.nutrient-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .85rem;
  margin-top: .5rem;
}
.nutrient-table th {
  background: #f8fafc;
  border: 1px solid var(--color-border);
  padding: .45rem .75rem;
  text-align: left;
  font-weight: 600;
  color: var(--color-text-muted);
  font-size: .8rem;
}
.nutrient-table td {
  border: 1px solid var(--color-border);
  padding: .45rem .75rem;
}
.nutrient-table tbody tr:nth-child(even) td { background: #f8fafc; }

/* =========================================================
   반응형
   ========================================================= */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; max-width: 600px; margin: 0 auto; }
  .hero { text-align: center; }
  .hero-badges { justify-content: center; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-layout { grid-template-columns: 1fr; max-width: 500px; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-menu-btn { display: flex; }
  .hero { padding: 2.5rem 0; }
  .hero-title { font-size: 1.6rem; }
  .steps-grid { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .products-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1rem; }
  .card-image-wrap { height: 150px; }
  .panel-header { flex-direction: column; align-items: flex-start; }
  .search-input-wrap { flex-wrap: wrap; }
  .search-input { min-width: 0; }

  /* ── 결과 페이지: 모바일 세로 스택 ── */
  .results-layout {
    grid-template-columns: 1fr;
    gap: .75rem;
    padding: .75rem .75rem 3rem;
  }
  .ing-panel {
    position: static;
    max-height: none;
    overflow-y: visible;
  }
  /* 접기/펼치기 버튼 표시 */
  .ing-toggle-btn { display: flex; }
  /* 패널 내용 영역 — 접힌 상태 */
  .ing-collapsible {
    overflow: hidden;
    transition: max-height .3s ease;
  }
  .ing-collapsible.collapsed {
    max-height: 0 !important;
  }
  /* 영양소 칩: 가로 스크롤 */
  .nutrient-list {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: .4rem;
    padding-bottom: .25rem;
    -webkit-overflow-scrolling: touch;
  }
  .nutrient-chip {
    flex-shrink: 0;
    font-size: .75rem;
    padding: .35rem .6rem;
  }
}

@media (max-width: 480px) {
  .steps-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr 1fr; gap: .75rem; }
  .card-body { padding: .75rem; }
  .card-name { font-size: .85rem; }
  .card-actions { gap: .35rem; }
  .card-actions .btn { font-size: .72rem; padding: .4rem .35rem; }
  .hero-title { font-size: 1.4rem; }
  .detail-layout { grid-template-columns: 1fr; }
  /* 결과 카드: 1열 */
  .results-layout .products-grid { grid-template-columns: 1fr; }
}