/* =========================================================
   법률 3단 비교 시스템 - 메인 스타일시트
   ========================================================= */

:root {
  --color-law1: #1a3a5c;
  --color-law1-light: #e8f0f9;
  --color-law1-mid: #3a6fa8;
  --color-law2: #145a32;
  --color-law2-light: #e8f5ee;
  --color-law2-mid: #27ae60;
  --color-law3: #6c2a0d;
  --color-law3-light: #fdf0e8;
  --color-law3-mid: #c0392b;
  --color-bg: #f5f5f0;
  --color-header: #1a1a2e;
  --color-text: #2c2c2c;
  --color-text-light: #666;
  --color-border: #d5d5c5;
  --color-border-dark: #a0a090;
  --color-diff: #fff3cd;
  --color-diff-border: #ffc107;
  --font-serif: 'Noto Serif KR', 'Batang', '바탕', serif;
  --font-sans: 'Noto Sans KR', 'Apple SD Gothic Neo', sans-serif;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.16);
  --radius: 8px;
}

/* ─── 리셋 & 기본 ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ─── 헤더 ─── */
.app-header {
  background: var(--color-header);
  color: #fff;
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}
.header-logo i { color: #c9a84c; font-size: 1.4rem; }
.header-nav { display: flex; gap: 8px; }
.nav-btn {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,0.25);
  color: rgba(255,255,255,0.75);
  padding: 7px 18px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  font-family: var(--font-sans);
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-btn:hover, .nav-btn.active {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.6);
  color: #fff;
}
.nav-btn.active {
  background: #c9a84c;
  border-color: #c9a84c;
  color: #1a1a2e;
  font-weight: 600;
}

/* ─── 페이지 전환 ─── */
.page { display: none; flex: 1; }
.page.active { display: block; }

/* ─── 업로드 페이지 ─── */
.upload-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 32px 24px 48px;
}
.page-title {
  text-align: center;
  margin-bottom: 32px;
}
.page-title h1 {
  font-family: var(--font-serif);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--color-header);
  margin-bottom: 8px;
}
.page-title p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin-bottom: 12px;
}
.btn-sample {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1.5px dashed #c9a84c;
  color: #8a6a20;
  padding: 7px 18px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all 0.2s;
  margin-top: 4px;
}
.btn-sample:hover { background: #fdf8ed; }

/* 카드 그리드 */
.law-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}
.law-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
}
.law-card-header {
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  position: relative;
}
.law-card-header.law-1 { background: var(--color-law1); }
.law-card-header.law-2 { background: var(--color-law2); }
.law-card-header.law-3 { background: var(--color-law3); }
.law-badge {
  background: rgba(255,255,255,0.25);
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 3px 12px;
  border-radius: 20px;
  letter-spacing: 0.5px;
}
.law-label {
  color: rgba(255,255,255,0.8);
  font-size: 0.82rem;
}
.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  margin-left: auto;
  transition: background 0.3s;
}
.status-dot.ready { background: #4caf50; box-shadow: 0 0 6px #4caf50; }

.law-card-body { padding: 20px; display: flex; flex-direction: column; gap: 14px; flex: 1; }

.law-name-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.law-name-row label { font-size: 0.8rem; font-weight: 600; color: var(--color-text-light); }
.law-name-input {
  border: 1.5px solid var(--color-border);
  border-radius: 5px;
  padding: 8px 12px;
  font-size: 0.9rem;
  font-family: var(--font-sans);
  color: var(--color-text);
  transition: border-color 0.2s;
  width: 100%;
}
.law-name-input:focus { outline: none; border-color: #3a6fa8; }

/* 업로드 존 */
.upload-zone {
  border: 2px dashed var(--color-border-dark);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  background: #fafaf8;
}
.upload-zone:hover { border-color: #3a6fa8; background: #f0f5fb; }
.upload-zone.drag-over { border-color: #3a6fa8; background: #e8f0f9; }
.upload-icon { font-size: 2rem; color: var(--color-border-dark); margin-bottom: 8px; }
.upload-zone p { font-size: 0.88rem; color: var(--color-text-light); line-height: 1.6; }
.upload-hint { font-size: 0.78rem; color: #aaa; }

/* 구분선 */
.divider-or {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text-light);
  font-size: 0.8rem;
}
.divider-or::before, .divider-or::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

/* 텍스트에리어 */
.textarea-wrap { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.textarea-wrap label { font-size: 0.8rem; font-weight: 600; color: var(--color-text-light); }
.law-textarea {
  width: 100%;
  height: 200px;
  border: 1.5px solid var(--color-border);
  border-radius: 5px;
  padding: 10px 12px;
  font-size: 0.85rem;
  font-family: var(--font-sans);
  color: var(--color-text);
  resize: vertical;
  line-height: 1.7;
  transition: border-color 0.2s;
}
.law-textarea:focus { outline: none; border-color: #3a6fa8; }

/* 카드 버튼 */
.card-actions { display: flex; gap: 8px; }
.btn-clear, .btn-preview {
  flex: 1;
  padding: 8px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 0.85rem;
  font-family: var(--font-sans);
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border: 1.5px solid;
}
.btn-clear { background: #fff; border-color: #ddd; color: #888; }
.btn-clear:hover { background: #fee; border-color: #e88; color: #c44; }
.btn-preview { background: #fff; border-color: #aac4e0; color: #3a6fa8; }
.btn-preview:hover { background: #e8f0f9; }

/* 비교 시작 버튼 */
.compare-action { text-align: center; }
.btn-compare {
  background: linear-gradient(135deg, #1a3a5c, #3a6fa8);
  color: #fff;
  border: none;
  padding: 14px 40px;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 700;
  font-family: var(--font-sans);
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.btn-compare:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  background: linear-gradient(135deg, #0f2a4a, #2a5a90);
}

/* ─── 모달 ─── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 500;
  align-items: center;
  justify-content: center;
}
.modal-overlay.active { display: flex; }
.modal-box {
  background: #fff;
  border-radius: var(--radius);
  width: 90%;
  max-width: 700px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
}
.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-header h3 { font-family: var(--font-serif); font-size: 1rem; }
.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: #888;
  font-size: 1.1rem;
  padding: 4px 8px;
}
.modal-close:hover { color: #333; }
.modal-body { padding: 20px; overflow-y: auto; flex: 1; }
.preview-article { margin-bottom: 16px; }
.preview-article-title {
  font-weight: 700;
  color: var(--color-law1);
  font-family: var(--font-serif);
  margin-bottom: 4px;
}
.preview-para { padding-left: 12px; margin-bottom: 4px; font-size: 0.9rem; line-height: 1.7; }
.preview-item { padding-left: 24px; font-size: 0.88rem; line-height: 1.6; color: #444; }
.preview-subitem { padding-left: 36px; font-size: 0.86rem; line-height: 1.6; color: #555; }

/* ─── 비교 페이지 ─── */
.compare-container {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 60px);
}

/* 툴바 */
.compare-toolbar {
  background: #fff;
  border-bottom: 2px solid var(--color-border);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}
.compare-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-header);
  display: flex;
  align-items: center;
  gap: 8px;
}
.compare-title i { color: #3a6fa8; }
.toolbar-right { display: flex; align-items: center; gap: 12px; }
.toggle-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-size: 0.88rem;
  color: var(--color-text-light);
}
.toggle-wrap input { cursor: pointer; accent-color: #3a6fa8; }
.btn-print, .btn-back {
  padding: 7px 16px;
  border-radius: 5px;
  font-size: 0.85rem;
  font-family: var(--font-sans);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
}
.btn-print { background: #fff; border: 1.5px solid var(--color-border-dark); color: var(--color-text); }
.btn-print:hover { background: #f5f5f0; }
.btn-back { background: #fff; border: 1.5px solid #aac4e0; color: #3a6fa8; }
.btn-back:hover { background: #e8f0f9; }

/* 비교 스크롤 래퍼 */
.compare-scroll-wrap {
  flex: 1;
  overflow: auto;
  padding: 0;
}

/* 빈 상태 */
.compare-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 300px;
  gap: 16px;
  color: var(--color-text-light);
}
.compare-empty i { font-size: 3rem; color: #ccc; }
.compare-empty p { font-size: 1rem; }

/* ─── 비교 테이블 (PDF 예시 스타일) ─── */
.compare-table-wrap {
  min-width: 900px;
}

/* 법률 헤더 행 */
.compare-header-row {
  display: grid;
  grid-template-columns: 120px 1fr 1fr 1fr;
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 3px solid var(--color-border-dark);
  box-shadow: var(--shadow-sm);
}
.col-header {
  padding: 14px 16px;
  font-weight: 700;
  font-size: 0.95rem;
  text-align: center;
  border-right: 2px solid var(--color-border-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}
.col-header:last-child { border-right: none; }
.col-header-label {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 1px;
}
.col-header.law1-hd { color: var(--color-law1); border-top: 4px solid var(--color-law1); }
.col-header.law2-hd { color: var(--color-law2); border-top: 4px solid var(--color-law2); }
.col-header.law3-hd { color: var(--color-law3); border-top: 4px solid var(--color-law3); }
.col-header.index-hd {
  background: var(--color-header);
  color: #c9a84c;
  font-size: 0.85rem;
  border-top: 4px solid #c9a84c;
}
.col-header-sub { font-size: 0.78rem; font-weight: 400; color: #888; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.col-header.law1-hd .col-header-sub { color: var(--color-law1-mid); }
.col-header.law2-hd .col-header-sub { color: var(--color-law2-mid); }
.col-header.law3-hd .col-header-sub { color: var(--color-law3-mid); }

/* 장 구분 행 */
.chapter-row {
  display: grid;
  grid-template-columns: 120px 1fr 1fr 1fr;
  background: #2c2c2c;
  border-bottom: 1px solid #444;
}
.chapter-cell {
  padding: 10px 16px;
  color: #e0d8c8;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 1px;
  border-right: 1px solid #444;
  text-align: center;
}
.chapter-cell:first-child { color: #c9a84c; font-size: 0.8rem; }
.chapter-cell:last-child { border-right: none; }

/* 조 행 */
.article-row {
  display: grid;
  grid-template-columns: 120px 1fr 1fr 1fr;
  border-bottom: 2px solid var(--color-border-dark);
  background: #fff;
}
.article-row:nth-child(even) { background: #fafaf8; }

/* 조 인덱스 셀 */
.article-index-cell {
  padding: 12px 10px;
  border-right: 2px solid var(--color-border-dark);
  background: #f5f5f0;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  font-size: 0.78rem;
  color: #666;
  font-weight: 600;
  text-align: center;
  line-height: 1.5;
}

/* 조 내용 셀 */
.article-content-cell {
  padding: 14px 16px;
  border-right: 1px solid var(--color-border);
  font-family: var(--font-serif);
  font-size: 0.88rem;
  line-height: 1.8;
  vertical-align: top;
  word-break: keep-all;
  overflow-wrap: break-word;
}
.article-content-cell:last-child { border-right: none; }
.article-content-cell.missing {
  background: #fafafa;
  color: #bbb;
  font-style: italic;
  font-size: 0.82rem;
  text-align: center;
  font-family: var(--font-sans);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 조 제목 */
.art-title {
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 6px;
  font-size: 0.92rem;
}
.art-title.law1-title { color: var(--color-law1); }
.art-title.law2-title { color: var(--color-law2); }
.art-title.law3-title { color: var(--color-law3); }

/* 항 */
.para-line {
  display: block;
  padding-left: 0;
  margin-bottom: 4px;
  color: var(--color-text);
}
/* 호 */
.item-line {
  display: block;
  padding-left: 16px;
  margin-bottom: 2px;
  color: #3a3a3a;
}
/* 목 */
.subitem-line {
  display: block;
  padding-left: 32px;
  margin-bottom: 2px;
  color: #555;
}

/* 차이 강조 */
.diff-highlight {
  background: var(--color-diff);
  border-left: 3px solid var(--color-diff-border);
  padding-left: 6px;
  border-radius: 2px;
}
.diff-missing-highlight {
  background: #fdecea;
  border-left: 3px solid #e57373;
}

/* ─── 인쇄 스타일 ─── */
@media print {
  .app-header, .compare-toolbar { display: none !important; }
  .compare-container { height: auto; }
  .compare-scroll-wrap { overflow: visible; }
  .compare-header-row { position: static; }
  .article-row { page-break-inside: avoid; }
  .chapter-row { page-break-after: avoid; }
}

/* ─── 반응형 ─── */
@media (max-width: 1024px) {
  .law-cards { grid-template-columns: 1fr; }
  .compare-header-row,
  .chapter-row,
  .article-row { grid-template-columns: 80px 1fr 1fr 1fr; }
}
@media (max-width: 768px) {
  .header-logo span { display: none; }
  .nav-btn span { display: none; }
  .compare-header-row,
  .chapter-row,
  .article-row { grid-template-columns: 60px 1fr 1fr 1fr; }
}

/* 토스트 알림 */
.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: #1a1a2e;
  color: #fff;
  padding: 12px 24px;
  border-radius: 30px;
  font-size: 0.9rem;
  box-shadow: var(--shadow-lg);
  z-index: 999;
  transition: transform 0.3s ease;
  white-space: nowrap;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast.error { background: #c0392b; }
.toast.success { background: #27ae60; }