/* ==========================================
   판례검색 AI - 디자인 시스템 v2
   케이스노트 / AI.Law 벤치마킹 기반
   ========================================== */

/* CSS 변수 */
:root {
  /* 색상 - 딥 네이비 블루 테마 */
  --color-primary: #1e40af;
  --color-primary-dark: #1e3a8a;
  --color-primary-light: #3b82f6;
  --color-accent: #0ea5e9;
  --color-accent-light: #38bdf8;
  --color-secondary: #64748b;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;

  /* 배경 */
  --bg-primary: #ffffff;
  --bg-secondary: #fafbff;
  --bg-tertiary: #f1f5f9;
  --bg-dark: #0f172a;

  /* 텍스트 */
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #94a3b8;
  --text-white: #ffffff;

  /* 보더 */
  --border-color: #e2e8f0;
  --border-light: #f1f5f9;
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;

  /* 그림자 */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md:
    0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg:
    0 10px 25px -3px rgba(0, 0, 0, 0.08), 0 4px 10px -2px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 40px -5px rgba(0, 0, 0, 0.1);

  /* 간격 */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;

  /* 폰트 */
  --font-sans:
    "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-base: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 32px;
  --font-size-4xl: 42px;

  /* 최대 너비 */
  --max-width: 1200px;
}

/* 리셋 */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-secondary);
  color: var(--text-primary);
  line-height: 1.6;
  letter-spacing: -0.02em;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--color-primary-dark);
}

/* ==========================================
   면책 배너 (상단 고정)
   ========================================== */
.disclaimer-banner {
  background: linear-gradient(135deg, #fef2f2 0%, #fff1f2 100%);
  border-bottom: 2px solid #fecaca;
  padding: 12px 24px;
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  color: #991b1b;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.disclaimer-banner .icon {
  font-size: 18px;
}

/* ==========================================
   헤더
   ========================================== */
.header {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0.95);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  text-decoration: none;
}

.logo:hover {
  color: var(--color-primary);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.nav-link {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--border-radius);
  transition: all 0.2s;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
  background: #eff6ff;
}

.nav-link.btn-primary {
  background: var(--color-primary);
  color: white;
}

.nav-link.btn-primary:hover {
  background: var(--color-primary-dark);
  color: white;
}

/* 사용자 메뉴 */
.user-menu {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-email {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ==========================================
   메인 콘텐츠
   ========================================== */
.main {
  flex: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-lg);
  width: 100%;
}

/* ==========================================
   히어로 섹션
   ========================================== */
.hero {
  text-align: center;
  padding: var(--spacing-3xl) 0 var(--spacing-2xl);
}

.hero-title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
  line-height: 1.3;
  letter-spacing: -0.03em;
}

.hero-title .highlight {
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-accent)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
}

/* ==========================================
   3단계 사용 가이드
   ========================================== */
.step-guide {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  margin-bottom: var(--spacing-2xl);
  padding: 0 var(--spacing-lg);
}

.step-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  transition: all 0.3s;
}

.step-item.active {
  border-color: var(--color-primary);
  background: #eff6ff;
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.step-number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}

.step-item.active .step-number {
  background: var(--color-primary);
  color: white;
}

.step-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
}

.step-item.active .step-label {
  color: var(--color-primary);
}

.step-arrow {
  color: var(--text-tertiary);
  font-size: 20px;
  margin: 0 8px;
  flex-shrink: 0;
}

/* ==========================================
   검색 박스
   ========================================== */
.search-box {
  max-width: 720px;
  margin: 0 auto var(--spacing-lg);
}

.search-input-wrapper {
  display: flex;
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  transition: all 0.3s;
  box-shadow: var(--shadow-md);
}

.search-input-wrapper:focus-within {
  border-color: var(--color-primary);
  box-shadow:
    0 0 0 4px rgba(30, 64, 175, 0.1),
    var(--shadow-lg);
}

.search-input {
  flex: 1;
  padding: 18px 24px;
  border: none;
  font-size: var(--font-size-base);
  background: transparent;
  outline: none;
  color: var(--text-primary);
}

.search-input::placeholder {
  color: var(--text-tertiary);
}

.search-btn {
  padding: 18px 32px;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-primary-light)
  );
  color: white;
  border: none;
  font-size: var(--font-size-base);
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.02em;
}

.search-btn:hover {
  background: linear-gradient(
    135deg,
    var(--color-primary-dark),
    var(--color-primary)
  );
}

.search-btn:disabled {
  background: var(--text-tertiary);
  cursor: not-allowed;
}

.search-hint {
  text-align: center;
  font-size: 13px;
  color: var(--text-tertiary);
  margin-top: 12px;
}

.search-hint strong {
  color: var(--text-secondary);
}

/* 인기 검색어 */
.popular-tags {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-top: var(--spacing-md);
}

.tag {
  padding: 6px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  font-weight: 500;
}

.tag:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* 사용량 정보 */
.usage-info {
  text-align: center;
  margin-top: var(--spacing-lg);
  padding: 12px 20px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  display: inline-block;
}

.usage-count {
  font-weight: 700;
  color: var(--color-primary);
  font-size: 18px;
}

.usage-warning {
  background: #fef3c7;
  border-color: #f59e0b;
  color: #92400e;
}

.usage-exhausted {
  background: #fee2e2;
  border-color: #ef4444;
  color: #991b1b;
}

/* ==========================================
   AI 키워드 추출 결과
   ========================================== */
.keywords-badge-area {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-md);
  min-height: 0;
}

.keywords-badge-area .label {
  font-size: 13px;
  color: var(--text-tertiary);
  font-weight: 500;
}

.keyword-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
}

/* ==========================================
   검색 결과
   ========================================== */
.results-section {
  margin-top: var(--spacing-xl);
}

.results-header-area {
  margin-bottom: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.results-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.results-info-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--spacing-md);
}

.results-count {
  font-weight: 600;
  color: var(--text-primary);
}

.cache-badge {
  display: inline-block;
  padding: 2px 10px;
  background: #d1fae5;
  color: #065f46;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  margin-left: 8px;
}

.speed-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
}

.speed-indicator.fast {
  color: #059669;
}

/* ==========================================
   AI 요약 패널
   ========================================== */

/* AI 트리거 박스 */
.ai-trigger-box {
  background: linear-gradient(135deg, #eef2ff 0%, #e0e7ff 100%);
  border: 2px solid #c7d2fe;
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-lg) var(--spacing-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.ai-trigger-box::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 200px;
  height: 200px;
  background: radial-gradient(
    circle,
    rgba(99, 102, 241, 0.08) 0%,
    transparent 70%
  );
  pointer-events: none;
}

.ai-trigger-text {
  flex: 1;
}

.ai-trigger-text strong {
  display: block;
  font-size: var(--font-size-lg);
  color: var(--color-primary-dark);
  margin-bottom: 6px;
}

.ai-trigger-text p {
  color: #4338ca;
  font-size: var(--font-size-sm);
  margin: 0;
  line-height: 1.5;
}

.ai-trigger-text .step-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--color-primary);
  color: white;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 10px;
  margin-bottom: 8px;
}

.btn-ai-action {
  background: linear-gradient(135deg, var(--color-primary), #4f46e5);
  color: white;
  border: none;
  padding: 14px 28px;
  border-radius: 50px;
  font-weight: 700;
  font-size: var(--font-size-base);
  cursor: pointer;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
  transition: all 0.3s;
  flex-shrink: 0;
}

.btn-ai-action:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(30, 64, 175, 0.4);
}

/* AI 답변 카드 */
.ai-answer-card {
  background: linear-gradient(135deg, #fafbff 0%, #eef2ff 100%);
  border: 1px solid #c7d2fe;
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  box-shadow: var(--shadow-md);
}

.ai-answer-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid rgba(99, 102, 241, 0.15);
  color: var(--color-primary-dark);
}

/* 시테이션 링크 (NotebookLM 스타일) */
.citation-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  color: var(--color-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0 4px;
  margin: 0 2px;
  font-size: 11px;
  font-weight: 700;
  text-decoration: none;
  vertical-align: super;
  transition: all 0.2s;
  cursor: pointer;
}

.citation-link:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

.ai-answer-content {
  font-size: var(--font-size-base);
  line-height: 1.8;
  color: var(--text-primary);
}

/* AI 면책 조항 (큰 경고) */
.ai-disclaimer {
  font-size: 15px;
  font-weight: 700;
  color: #991b1b;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: var(--border-radius);
  padding: 16px 20px;
  margin-top: var(--spacing-lg);
  text-align: center;
  line-height: 1.6;
}

/* 제한 배너 */
.limit-banner {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  border: 1px solid #f59e0b;
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

.limit-banner h3 {
  color: #92400e;
  margin-bottom: var(--spacing-sm);
}

.limit-banner p {
  color: #a16207;
  font-size: var(--font-size-sm);
}

/* 로딩 관련 */
.loading-spinner-sm {
  width: 16px;
  height: 16px;
  border: 2px solid #ddd;
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  display: inline-block;
  margin-right: 8px;
}

.loading-line {
  height: 4px;
  width: 100%;
  background: #e0e7ff;
  border-radius: 2px;
  overflow: hidden;
  position: relative;
  margin-bottom: 16px;
}

.loading-line::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 30%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 2px;
  animation: loading-bar 1.5s infinite ease-in-out;
}

@keyframes loading-bar {
  0% {
    left: -30%;
  }

  100% {
    left: 100%;
  }
}

/* ==========================================
   판례 카드
   ========================================== */
.case-cards {
  display: grid;
  gap: var(--spacing-md);
}

.case-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-left: 4px solid transparent;
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.case-card:hover {
  border-left-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.case-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  font-size: 13px;
}

.case-court {
  font-weight: 700;
  color: var(--bg-primary);
  background: var(--color-primary);
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 12px;
}

.case-divider {
  color: #cbd5e1;
  font-size: 10px;
}

.case-date {
  color: var(--text-secondary);
  font-size: 13px;
}

.case-number-sm {
  color: var(--text-tertiary);
  font-family: "Courier New", monospace;
  font-size: 13px;
}

.case-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.5;
  color: var(--text-primary);
  word-break: keep-all;
}

.case-title-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.case-title-link:hover .case-title {
  color: var(--color-primary);
}

.case-summary {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.case-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-light);
}

.case-tags {
  display: flex;
  gap: 6px;
}

.case-tag {
  background: #f1f5f9;
  color: #475569;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 4px;
  font-weight: 500;
}

.btn-icon {
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 6px 14px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 4px;
}

.btn-icon:hover {
  background: #f8fafc;
  border-color: #cbd5e1;
  color: var(--text-primary);
}

.btn-icon.active {
  background: #fffbeb;
  border-color: #fbbf24;
  color: #d97706;
  font-weight: 600;
}

/* ==========================================
   로딩 / 빈 상태
   ========================================== */
.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3xl);
  color: var(--text-secondary);
}

.loading-spinner {
  width: 44px;
  height: 44px;
  border: 3px solid var(--border-color);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: var(--spacing-md);
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.empty-state {
  text-align: center;
  padding: var(--spacing-3xl);
  color: var(--text-secondary);
}

.empty-state-icon {
  font-size: 56px;
  margin-bottom: var(--spacing-md);
}

/* ==========================================
   저장한 판례
   ========================================== */
.saved-header {
  margin-bottom: var(--spacing-xl);
}

.saved-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.saved-subtitle {
  color: var(--text-secondary);
}

/* ==========================================
   버튼
   ========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: white;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.btn-outline:hover {
  background: var(--bg-tertiary);
  border-color: #cbd5e1;
}

/* ==========================================
   푸터
   ========================================== */
.footer {
  background: var(--bg-dark);
  color: var(--text-white);
  margin-top: auto;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--spacing-2xl) var(--spacing-lg);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
  gap: var(--spacing-xl);
}

.footer-logo {
  font-size: var(--font-size-lg);
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: var(--spacing-sm);
}

.footer-desc {
  font-size: var(--font-size-sm);
  color: #94a3b8;
  max-width: 320px;
  line-height: 1.6;
}

.footer-links {
  display: flex;
  gap: var(--spacing-2xl);
}

.footer-link-group h4 {
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--text-white);
}

.footer-link-group ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link-group a {
  font-size: var(--font-size-sm);
  color: #94a3b8;
  transition: color 0.2s;
}

.footer-link-group a:hover {
  color: white;
}

.footer-bottom {
  padding-top: var(--spacing-lg);
  border-top: 1px solid #1e293b;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer-copyright {
  font-size: var(--font-size-sm);
  color: #64748b;
}

.footer-legal {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-legal a {
  font-size: var(--font-size-sm);
  color: #64748b;
}

.footer-legal a:hover {
  color: #94a3b8;
}

/* ==========================================
   반응형
   ========================================== */
@media (max-width: 768px) {
  .header-inner {
    padding: 0 var(--spacing-md);
  }

  .nav {
    gap: var(--spacing-xs);
  }

  .nav-link {
    padding: 6px 10px;
    font-size: var(--font-size-xs);
  }

  .main {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .hero {
    padding: var(--spacing-xl) 0;
  }

  .hero-title {
    font-size: var(--font-size-2xl);
  }

  .hero-subtitle {
    font-size: var(--font-size-base);
  }

  .step-guide {
    flex-direction: column;
    gap: 8px;
    align-items: stretch;
  }

  .step-arrow {
    display: none;
  }

  .search-input-wrapper {
    flex-direction: column;
    border-radius: var(--border-radius-lg);
  }

  .search-input {
    padding: 14px 18px;
  }

  .search-btn {
    border-radius: 0 0 10px 10px;
    padding: 14px;
  }

  .ai-trigger-box {
    flex-direction: column;
    text-align: center;
    padding: var(--spacing-lg);
  }

  .footer-top {
    flex-direction: column;
  }

  .footer-links {
    flex-direction: column;
    gap: var(--spacing-lg);
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .disclaimer-banner {
    font-size: 12px;
    padding: 10px 16px;
  }
}

/* ==========================================
   기능 소개 카드 (hover만 CSS, 나머지 인라인)
   ========================================== */
.fc {
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.fc:hover {
  border-color: #93c5fd !important;
  box-shadow: 0 4px 16px rgba(30, 64, 175, 0.1);
  transform: translateY(-2px);
}

@media (max-width: 600px) {
  #featureSection > div:last-child {
    grid-template-columns: 1fr !important;
  }
}

/* ==========================================
   쟁점별 카테고리 탐색
   ========================================== */
.category-browse {
  max-width: 720px;
  margin: 0 auto var(--spacing-2xl);
  padding: var(--spacing-lg) 0;
  border-top: 1px solid var(--border-light);
}

.category-browse-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-tertiary);
  text-align: center;
  margin-bottom: var(--spacing-md);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.category-groups {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.category-group {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 12px;
}

.category-group-name {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-tertiary);
  width: 38px;
  min-width: 38px;
  flex-shrink: 0;
  text-align: right;
}

.category-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  flex: 1;
}

.category-tag {
  display: inline-block;
  padding: 5px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 12px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s;
  font-weight: 500;
  white-space: nowrap;
  user-select: none;
}

.category-tag:hover {
  background: var(--bg-secondary);
  border-color: var(--color-primary-light);
  color: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(30,64,175,0.1);
}

/* ==========================================
   사이드바 내비게이션
   ========================================== */

/* 쟁점별 판례 찾기 태그 버튼 */
.cat-btn {
  padding: 5px 13px;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  color: #475569;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  font-family: inherit;
  line-height: 1.4;
}
.cat-btn:hover {
  background: #eff6ff;
  border-color: #93c5fd;
  color: #1e40af;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(30,64,175,0.12);
}

/* 햄버거 버튼 */
.hamburger-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  background: transparent;
  border: 1px solid var(--border-color);
  padding: 8px;
  border-radius: var(--border-radius);
  transition: background 0.2s;
  align-items: center;
}

.hamburger-btn:hover {
  background: var(--bg-tertiary);
}

.hamburger-line {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s;
}

/* 오버레이 */
.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.sidebar-overlay.open {
  opacity: 1;
  pointer-events: all;
}

/* 사이드바 */
.sidebar {
  position: fixed;
  top: 0;
  right: 0;
  width: 260px;
  height: 100vh;
  background: #0f172a;
  box-shadow: -4px 0 32px rgba(0, 0, 0, 0.3);
  z-index: 300;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
}

.sidebar.open {
  transform: translateX(0);
}

.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 20px;
  border-bottom: 1px solid #1e293b;
}

.sidebar-logo {
  font-size: 16px;
  font-weight: 700;
  color: #f8fafc;
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  letter-spacing: -0.01em;
}

.sidebar-logo:hover {
  color: #93c5fd;
}

.sidebar-close {
  width: 32px;
  height: 32px;
  background: transparent;
  border: 1px solid #334155;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: #64748b;
  transition: all 0.2s;
  flex-shrink: 0;
}

.sidebar-close:hover {
  background: #1e293b;
  color: #f8fafc;
  border-color: #475569;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
}

.sidebar-nav-item {
  display: flex;
  align-items: center;
  padding: 11px 14px;
  border-radius: 8px;
  color: #94a3b8;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.15s;
  position: relative;
  letter-spacing: -0.01em;
}

.sidebar-nav-item:hover {
  background: #1e293b;
  color: #e2e8f0;
}

.sidebar-nav-item.active {
  background: #1e3a5f;
  color: #93c5fd;
  font-weight: 600;
}

.sidebar-nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  background: #3b82f6;
  border-radius: 0 3px 3px 0;
}

.sidebar-nav-divider {
  height: 1px;
  background: #1e293b;
  margin: 8px 4px;
}

.sidebar-nav-item.cta {
  background: #1e40af;
  color: #bfdbfe;
  margin-top: 4px;
  font-weight: 600;
  border: 1px solid #2563eb;
}

.sidebar-nav-item.cta:hover {
  background: #1d4ed8;
  color: white;
}

.sidebar-nav-item.cta.active::before {
  display: none;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid #1e293b;
  font-size: 11px;
  color: #334155;
  line-height: 1.6;
}

/* ==========================================
   유틸리티
   ========================================== */
.hidden {
  display: none !important;
}

.text-center {
  text-align: center;
}

.mt-md {
  margin-top: var(--spacing-md);
}

.mb-md {
  margin-bottom: var(--spacing-md);
}