:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --text: #1f2937;
  --text-light: #6b7280;
  --bg: #f9fafb;
  --card: #ffffff;
  --border: #e5e7eb;
  --status-bg: #fef3c7;
  --status-text: #1f2937;
  --mall-bg: #eff6ff;
  --mall-border: #bfdbfe;
  --map-bg: #ecfdf5;
  --map-border: #a7f3d0;
  --map-color: #047857;
  color-scheme: light;
}

/* 다크모드: 시스템 설정 자동 대응(사용자가 라이트로 고정하지 않은 경우) + 수동 [data-theme=dark] */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --primary: #60a5fa;
    --primary-dark: #3b82f6;
    --text: #e5e7eb;
    --text-light: #9ca3af;
    --bg: #0f172a;
    --card: #1e293b;
    --border: #334155;
    --status-bg: #3b341a;
    --status-text: #fde68a;
    --mall-bg: #1e3a5f;
    --mall-border: #2c4a73;
    --map-bg: #11302a;
    --map-border: #1f5048;
    --map-color: #6ee7b7;
    color-scheme: dark;
  }
}
[data-theme="dark"] {
  --primary: #60a5fa;
  --primary-dark: #3b82f6;
  --text: #e5e7eb;
  --text-light: #9ca3af;
  --bg: #0f172a;
  --card: #1e293b;
  --border: #334155;
  --status-bg: #3b341a;
  --status-text: #fde68a;
  --mall-bg: #1e3a5f;
  --mall-border: #2c4a73;
  --map-bg: #11302a;
  --map-border: #1f5048;
  --map-color: #6ee7b7;
  color-scheme: dark;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

header {
  text-align: center;
  padding: 2.5rem 1rem 1.5rem;
}

header h1 { font-size: 1.8rem; color: var(--primary-dark); }
.tagline { color: var(--text-light); margin-top: 0.4rem; }

main {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 1rem 3rem;
}

.search-box form {
  display: flex;
  gap: 0.5rem;
}

#keyword {
  flex: 1;
  padding: 0.9rem 1rem;
  font-size: 1.05rem;
  border: 2px solid var(--border);
  border-radius: 10px;
  outline: none;
}

#keyword:focus { border-color: var(--primary); }

#search-btn {
  padding: 0 1.5rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  background: var(--primary);
  border: none;
  border-radius: 10px;
  cursor: pointer;
}

#search-btn:hover { background: var(--primary-dark); }

.hint {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-light);
}

.status {
  margin: 1.5rem 0;
  padding: 1rem;
  background: var(--status-bg);
  color: var(--status-text);
  border-radius: 10px;
  text-align: center;
}

.results { margin-top: 1.5rem; }

.result-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.2rem;
  margin-bottom: 0.8rem;
}

.result-row {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.25rem 0;
  flex-wrap: wrap;
}

.result-row .label {
  flex: 0 0 5.2em;
  font-size: 0.8rem;
  color: var(--text-light);
}

.result-row .value {
  flex: 1;
  min-width: 200px;
  word-break: break-all;
}

.copy-btn {
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  cursor: pointer;
}

.copy-btn:hover { border-color: var(--primary); color: var(--primary); }

.detail-input {
  width: 100%;
  margin-top: 0.5rem;
  padding: 0.6rem 1rem;
  font-size: 0.95rem;
  border: 2px solid var(--border);
  border-radius: 10px;
  outline: none;
}

.detail-input:focus { border-color: var(--primary); }

.mall-section { margin-top: 0.7rem; }

.mall-toggle {
  width: 100%;
  padding: 0.5rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
  background: var(--mall-bg);
  border: 1px solid var(--mall-border);
  border-radius: 8px;
  cursor: pointer;
}

.mall-panel { margin-top: 0.6rem; }

.mall-tabs {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}

.mall-tabs button {
  padding: 0.3rem 0.8rem;
  font-size: 0.8rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--card);
  cursor: pointer;
}

.mall-tabs button.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.mall-fields {
  background: var(--bg);
  border-radius: 8px;
  padding: 0.5rem 0.8rem;
}

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin: 1.5rem 0;
}

.pagination button {
  padding: 0.4rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  cursor: pointer;
}

.pagination button:disabled { opacity: 0.4; cursor: default; }

.ad-slot { margin: 1.5rem 0; min-height: 0; }

.seo-content {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.seo-content h2 { font-size: 1.2rem; margin: 1.5rem 0 0.6rem; }
.seo-content h3 { font-size: 1rem; margin: 1rem 0 0.3rem; }
.seo-content ul { padding-left: 1.3rem; }
.seo-content li { margin: 0.3rem 0; }

footer {
  text-align: center;
  padding: 2rem 1rem;
  font-size: 0.8rem;
  color: var(--text-light);
  border-top: 1px solid var(--border);
}

@media (max-width: 480px) {
  .search-box form { flex-direction: column; }
  #search-btn { padding: 0.8rem; }
}

/* ---- 이후 추가된 기능 컴포넌트 (v1 스타일 유지) ---- */

[hidden] { display: none !important; }

:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

.recent {
  margin-top: 0.7rem;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.recent-label { color: var(--text-light); font-weight: 500; }

.recent-chip {
  display: inline-flex;
  align-items: stretch;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--card);
  overflow: hidden;
}

.recent-chip button {
  border: none;
  background: none;
  font-size: 0.85rem;
  padding: 0.25rem 0.6rem;
  cursor: pointer;
}

.recent-chip button:hover { background: var(--bg); }

.recent-del {
  border-left: 1px solid var(--border) !important;
  color: var(--text-light);
}

.map-section { margin-top: 0.5rem; }

.map-toggle {
  width: 100%;
  padding: 0.6rem;
  min-height: 44px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--map-color);
  background: var(--map-bg);
  border: 1px solid var(--map-border);
  border-radius: 8px;
  cursor: pointer;
}

.map-holder { margin-top: 0.6rem; }

.map-holder iframe {
  width: 100%;
  height: 300px;
  border: 1px solid var(--border);
  border-radius: 10px;
}

.copy-all-btn {
  display: block;
  width: 100%;
  margin-top: 0.6rem;
  padding: 0.55rem;
  min-height: 44px;
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  background: var(--primary);
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

.copy-all-btn:hover { background: var(--primary-dark); }

.tool-extra {
  margin-top: 2.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.2rem;
}

.tool-extra h2 { font-size: 1.15rem; color: var(--primary-dark); }
.tool-extra .hint { margin: 0.3rem 0 0.8rem; }

.extra-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 0.6rem;
}

.extra-row input {
  flex: 1;
  min-width: 180px;
  padding: 0.6rem 0.9rem;
  font-size: 0.95rem;
  border: 2px solid var(--border);
  border-radius: 10px;
  outline: none;
}

.extra-row input:focus { border-color: var(--primary); }

.extra-row output {
  font-weight: 700;
  color: var(--primary);
  word-break: break-all;
}

/* ---- 항목별 주소 블록 (kraddress 스타일) ---- */

.addr-block + .addr-block,
.addr-block + .mall-section { margin-top: 0.9rem; }

.addr-block {
  border-top: 1px solid var(--border);
  padding-top: 0.8rem;
  margin-top: 0.9rem;
}

.result-card .addr-block:first-child { border-top: none; padding-top: 0; margin-top: 0; }

.block-title {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-light);
  margin-bottom: 0.4rem;
}

.addr-value {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
  word-break: break-all;
}

.icon-copy {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--card);
  color: var(--text-light);
  cursor: pointer;
}

.icon-copy:hover { border-color: var(--primary); color: var(--primary); }
.icon-copy.copied { border-color: #059669; color: #059669; }

.field-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.32rem 0;
}

.field-label {
  color: #92875f;
  font-size: 0.85rem;
  flex: none;
}

.field-value {
  flex: 1;
  text-align: right;
  font-weight: 500;
  word-break: break-all;
  min-height: 1.2em;
}

/* ---- 대량 변환기 ---- */

#batch-input {
  width: 100%;
  padding: 0.9rem 1rem;
  font-size: 0.95rem;
  font-family: inherit;
  border: 2px solid var(--border);
  border-radius: 10px;
  outline: none;
  resize: vertical;
}

#batch-input:focus { border-color: var(--primary); }

#batch-btn {
  display: block;
  width: 100%;
  margin-top: 0.6rem;
  padding: 0.8rem;
  min-height: 48px;
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  background: var(--primary);
  border: none;
  border-radius: 10px;
  cursor: pointer;
}

#batch-btn:hover { background: var(--primary-dark); }
#batch-btn:disabled { opacity: 0.5; cursor: default; }

.batch-actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin: 1rem 0 0.6rem;
}

.batch-actions .copy-btn { padding: 0.5rem 1rem; font-size: 0.85rem; }

.batch-table-wrap { overflow-x: auto; }

.batch-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  font-size: 0.88rem;
}

.batch-table th, .batch-table td {
  border: 1px solid var(--border);
  padding: 0.45rem 0.6rem;
  text-align: left;
  vertical-align: top;
  word-break: break-all;
}

.batch-table th {
  background: var(--bg);
  font-weight: 700;
  white-space: nowrap;
}

.batch-table .row-fail td { color: #b91c1c; background: #fef2f2; }

.lang-switch { margin-top: 0.6rem; font-size: 0.85rem; }
.lang-switch a { color: var(--text-light); text-decoration: none; margin: 0 0.3rem; }
.lang-switch a:hover { color: var(--primary); }
.lang-switch b { margin: 0 0.3rem; color: var(--primary-dark); }

/* ---- 다크모드 토글 버튼 ---- */
.theme-toggle {
  position: fixed;
  top: 12px;
  right: 12px;
  z-index: 100;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
}
.theme-toggle:hover { border-color: var(--primary); }

/* ---- 상단 내비게이션 (크롤 깊이 최소화 = 색인 유리) ---- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
.site-nav-inner {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.5rem 1rem;
}
.nav-logo {
  font-weight: 700;
  color: var(--primary-dark);
  text-decoration: none;
  white-space: nowrap;
  font-size: 0.92rem;
}
.nav-links {
  display: flex;
  gap: 0.9rem;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-links::-webkit-scrollbar { display: none; }
.nav-links a {
  color: var(--text-light);
  text-decoration: none;
  font-size: 0.88rem;
  white-space: nowrap;
  padding: 0.2rem 0;
}
.nav-links a:hover { color: var(--primary); }
.nav-links a[aria-current="page"] { color: var(--primary); font-weight: 600; }

/* ---- 메인 탭 ---- */
.main-tabs {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 1.2rem;
  border-bottom: 2px solid var(--border);
}
.main-tab {
  flex: 1;
  padding: 0.7rem 0.5rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-light);
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
}
.main-tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* ---- 접이식 설명 (아코디언) ---- */
.acc {
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 0.6rem;
  background: var(--card);
  overflow: hidden;
}
.acc > summary {
  list-style: none;
  cursor: pointer;
  padding: 0.85rem 1.1rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary-dark);
  position: relative;
}
.acc > summary::-webkit-details-marker { display: none; }
.acc > summary::after {
  content: "+";
  position: absolute;
  right: 1.1rem;
  font-weight: 400;
  color: var(--text-light);
}
.acc[open] > summary::after { content: "−"; }
.acc > summary + *, .acc > summary ~ * { margin-left: 1.1rem; margin-right: 1.1rem; }
.acc > :not(summary):last-child { margin-bottom: 0.9rem; }
.acc ul { padding-left: 2.2rem; }
.acc h3 { font-size: 0.95rem; margin: 0.8rem 0 0.2rem; }
.acc p { margin: 0.2rem 0 0.4rem; }
.seo-content:has(.acc) { margin-top: 2rem; padding-top: 0; border-top: none; }

.foot-links { line-height: 1.9; margin-bottom: 0.4rem; }
.foot-links a { white-space: nowrap; }