/**
 * 파일명: style.css
 * 파일경로: /home/rdapcokr/public_html/assets/css/
 * 기능: 프론트 공통 스타일 (DS03 Dark Mono Clean - 오피셜 조정안)
 * 작성일: 2026-09-28
 *
 * 조정 원칙: 각진 모서리(4/6/8) · 무지 배경 · 짙은 파랑 링크 · 먹색 밴드(첫 화면·푸터) · 선 위주 구획
 * 브레이크포인트(Bootstrap 5.3 기준): 576 / 768 / 992 / 1200
 * 관리자 전용 스타일은 admin_style.css 로 분리 (css-standard §2.1)
 */

/* =========================================================
   1. 디자인 토큰
   ========================================================= */
:root {
    /* 배경 */
    --color-bg:            #f6f7f9;
    --color-surface:       #ffffff;
    --color-surface-alt:   #f0f2f5;
    --color-band:          #111317;   /* 첫 화면·푸터 먹색 밴드 (다크 모드에서도 어둡게 유지) */
    --color-band-2:        #1a1d23;
    --color-on-band:       #f3f4f6;
    --color-on-band-muted: #a4a9b3;
    --color-band-line:     #2b2f37;

    /* 악센트 (다크 모노) */
    --color-accent:        #111317;
    --color-accent-dark:   #000000;
    --color-on-accent:     #ffffff;

    /* 링크 */
    --color-link:          #1d4ed8;

    /* 텍스트 */
    --color-text:          #0c0d10;
    --color-text-sub:      #33363d;
    --color-text-muted:    #5f636b;

    /* 선 */
    --color-border:        #d4d6dd;
    --color-border-soft:   #e4e6eb;
    --color-border-strong: #a9adb6;

    /* 의미 색 (글자용 - 흰 배경 대비 4.5:1 이상) */
    --color-success:       #15803d;
    --color-info:          #1d4ed8;
    --color-warning:       #b45309;
    --color-danger:        #b91c1c;
    --color-pending:       #0e7490;

    /* 코드 */
    --color-code-bg:       #0f1115;
    --color-code-text:     #e6e8ec;
    --color-code-muted:    #8b919c;

    /* 그림자 (최소) */
    --shadow-sm: 0 1px 2px rgba(16, 18, 24, .05);
    --shadow-md: 0 6px 20px rgba(16, 18, 24, .08);

    /* 모서리 - 한 체계 */
    --radius-sm: 4px;
    --radius:    6px;
    --radius-lg: 8px;

    /* 간격 */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 24px;
    --space-6: 32px;
    --space-7: 48px;
    --space-8: 72px;

    /* 글자 */
    --font-sans: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, 'Malgun Gothic', sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, 'Liberation Mono', 'D2Coding', monospace;
    --fs-xs:   12.5px;
    --fs-sm:   14px;
    --fs-base: 16px;
    --fs-lg:   18px;
    --fs-xl:   22px;
    --fs-2xl:  28px;
    --fs-3xl:  clamp(30px, 4.6vw, 44px);

    /* 너비 */
    --container-lg: 1100px;
    --container-md: 760px;
    --container-sm: 480px;
    --header-h: 64px;

    color-scheme: light;
}

/* 다크 모드 - DS03 §12 값 기반 */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --color-bg:            #0d0d0d;
        --color-surface:       #161616;
        --color-surface-alt:   #1d1d1f;
        --color-band:          #050505;
        --color-band-2:        #111111;
        --color-on-band:       #ededed;
        --color-on-band-muted: #9a9ea6;
        --color-band-line:     #262626;
        --color-accent:        #f0f0f0;
        --color-accent-dark:   #ffffff;
        --color-on-accent:     #111317;
        --color-link:          #7aa7ff;
        --color-text:          #e4e4e4;
        --color-text-sub:      #c4c4c6;
        --color-text-muted:    #9a9a9e;
        --color-border:        #333333;
        --color-border-soft:   #262628;
        --color-border-strong: #4d4d52;
        --color-success:       #4ade80;
        --color-info:          #7aa7ff;
        --color-warning:       #fbbf24;
        --color-danger:        #f87171;
        --color-pending:       #22d3ee;
        --color-code-bg:       #0a0a0a;
        --shadow-sm: 0 1px 2px rgba(0, 0, 0, .5);
        --shadow-md: 0 6px 20px rgba(0, 0, 0, .45);
        color-scheme: dark;
    }
}
:root[data-theme="dark"] {
    --color-bg:            #0d0d0d;
    --color-surface:       #161616;
    --color-surface-alt:   #1d1d1f;
    --color-band:          #050505;
    --color-band-2:        #111111;
    --color-on-band:       #ededed;
    --color-on-band-muted: #9a9ea6;
    --color-band-line:     #262626;
    --color-accent:        #f0f0f0;
    --color-accent-dark:   #ffffff;
    --color-on-accent:     #111317;
    --color-link:          #7aa7ff;
    --color-text:          #e4e4e4;
    --color-text-sub:      #c4c4c6;
    --color-text-muted:    #9a9a9e;
    --color-border:        #333333;
    --color-border-soft:   #262628;
    --color-border-strong: #4d4d52;
    --color-success:       #4ade80;
    --color-info:          #7aa7ff;
    --color-warning:       #fbbf24;
    --color-danger:        #f87171;
    --color-pending:       #22d3ee;
    --color-code-bg:       #0a0a0a;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .5);
    --shadow-md: 0 6px 20px rgba(0, 0, 0, .45);
    color-scheme: dark;
}

/* =========================================================
   2. 기본
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }
html { scrollbar-gutter: stable; -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: var(--fs-base);
    line-height: 1.65;
    color: var(--color-text);
    background: var(--color-bg);
    word-break: keep-all;
    overflow-wrap: break-word;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}
h1, h2, h3, h4 { margin: 0; line-height: 1.3; letter-spacing: -0.02em; font-weight: 700; color: var(--color-text); }
p { margin: 0 0 var(--space-4); }
p:last-child { margin-bottom: 0; }
a { color: var(--color-link); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
img, svg { vertical-align: middle; }
code, kbd, pre, .mono { font-family: var(--font-mono); }
code { font-size: .9em; padding: 1px 6px; border-radius: var(--radius-sm); background: var(--color-surface-alt); border: 1px solid var(--color-border-soft); word-break: break-all; }
pre code { padding: 0; border: 0; background: none; }
ul, ol { margin: 0 0 var(--space-4); padding-left: 1.25em; }
hr { border: 0; border-top: 1px solid var(--color-border); margin: var(--space-6) 0; }
table { border-collapse: collapse; width: 100%; }
::selection { background: color-mix(in srgb, var(--color-link) 22%, transparent); }
:focus-visible { outline: 2px solid var(--color-link); outline-offset: 2px; }
.icon { flex: none; }
.num { font-variant-numeric: tabular-nums; }
.muted { color: var(--color-text-muted); }
.small { font-size: var(--fs-sm); }
.nowrap { white-space: nowrap; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: var(--space-4); top: -60px; z-index: 100; background: var(--color-accent); color: var(--color-on-accent); padding: var(--space-2) var(--space-4); border-radius: var(--radius); }
.skip-link:focus { top: var(--space-2); }

.container {
    width: 100%;
    max-width: var(--container-lg);
    margin: 0 auto;
    padding-left: max(var(--space-4), env(safe-area-inset-left, 0px));
    padding-right: max(var(--space-4), env(safe-area-inset-right, 0px));
}
.container-md { max-width: var(--container-md); }
.container-sm { max-width: var(--container-sm); }
@media (min-width: 768px) {
    .container { padding-left: var(--space-5); padding-right: var(--space-5); }
}

/* =========================================================
   3. 상단 유틸 바 · 헤더 · 공지
   ========================================================= */
.utilbar { background: var(--color-band); color: var(--color-on-band-muted); font-size: var(--fs-xs); border-bottom: 1px solid var(--color-band-line); }
.utilbar-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); min-height: 34px; }
.utilbar a { color: var(--color-on-band); }
.utilbar-meta { display: none; }
@media (min-width: 768px) { .utilbar-meta { display: inline; } }

.site-header { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--color-surface) 92%, transparent); backdrop-filter: saturate(160%) blur(8px); -webkit-backdrop-filter: saturate(160%) blur(8px); border-bottom: 1px solid var(--color-border); }
.site-header-inner { display: flex; align-items: center; gap: var(--space-5); height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--color-text); flex: none; }
.brand:hover { text-decoration: none; }
.brand-mark { width: 32px; height: 32px; border-radius: var(--radius); background: var(--color-accent); color: var(--color-on-accent); display: inline-flex; align-items: center; justify-content: center; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-weight: 800; font-size: 17px; letter-spacing: -0.01em; }
.brand-name span { color: var(--color-text-muted); font-weight: 600; }
.brand-sub { font-size: 11.5px; color: var(--color-text-muted); letter-spacing: .01em; }

.site-nav { display: none; margin-left: auto; }
.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 2px; }
.site-nav a { display: inline-flex; align-items: center; height: 40px; padding: 0 12px; border-radius: var(--radius); color: var(--color-text-sub); font-size: 15px; font-weight: 600; }
.site-nav a:hover { background: var(--color-surface-alt); color: var(--color-text); text-decoration: none; }
.site-nav a[aria-current="page"] { color: var(--color-text); box-shadow: inset 0 -2px 0 var(--color-accent); border-radius: 0; }
.header-actions { display: flex; align-items: center; gap: var(--space-2); margin-left: auto; }
@media (min-width: 992px) {
    .site-nav { display: block; }
    .header-actions { margin-left: var(--space-2); }
    .header-actions .nav-toggle { display: none; }
}
.icon-btn { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: var(--radius); border: 1px solid var(--color-border); background: var(--color-surface); color: var(--color-text); cursor: pointer; }
.icon-btn:hover { background: var(--color-surface-alt); }
.theme-toggle .icon-moon { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: inline; }
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .theme-toggle .icon-sun { display: none; }
    :root:not([data-theme="light"]) .theme-toggle .icon-moon { display: inline; }
}

.mobile-nav { display: none; border-top: 1px solid var(--color-border); background: var(--color-surface); }
.mobile-nav.is-open { display: block; }
.mobile-nav ul { list-style: none; margin: 0; padding: var(--space-2) 0 var(--space-4); }
.mobile-nav a { display: flex; align-items: center; min-height: 48px; padding: 0 var(--space-1); color: var(--color-text); font-weight: 600; border-bottom: 1px solid var(--color-border-soft); }
.mobile-nav a[aria-current="page"] { color: var(--color-link); }
@media (min-width: 992px) { .mobile-nav { display: none !important; } }

.notice-bar { background: var(--color-surface-alt); border-bottom: 1px solid var(--color-border); font-size: var(--fs-sm); color: var(--color-text-sub); }
.notice-bar .container { display: flex; gap: var(--space-2); align-items: flex-start; padding-top: 10px; padding-bottom: 10px; }
.notice-bar .icon { margin-top: 3px; color: var(--color-warning); }

/* =========================================================
   4. 버튼 · 배지 · 알림
   ========================================================= */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); min-height: 44px; padding: 0 18px; border-radius: var(--radius); border: 1px solid transparent; font: inherit; font-size: 15px; font-weight: 700; cursor: pointer; text-decoration: none; white-space: nowrap; transition: background-color .15s, border-color .15s, color .15s; }
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--color-accent); color: var(--color-on-accent); }
.btn-primary:hover { background: var(--color-accent-dark); }
.btn-ghost { background: var(--color-surface); border-color: var(--color-border); color: var(--color-text); }
.btn-ghost:hover { background: var(--color-surface-alt); border-color: var(--color-border-strong); }
.btn-link { background: none; border: 0; color: var(--color-link); padding: 0; min-height: 0; font-weight: 600; }
.btn-link:hover { text-decoration: underline; }
.btn-sm { min-height: 36px; padding: 0 12px; font-size: var(--fs-sm); }
.btn-block { width: 100%; }
.btn[disabled], .btn.is-loading { opacity: .7; cursor: progress; }

.tag { display: inline-flex; align-items: center; gap: 6px; padding: 2px 9px; border-radius: var(--radius-sm); font-size: var(--fs-xs); font-weight: 700; line-height: 1.6; border: 1px solid currentColor; background: color-mix(in srgb, currentColor 8%, transparent); white-space: nowrap; }
.tag-ok      { color: var(--color-success); }
.tag-lock    { color: var(--color-text-sub); }
.tag-pending { color: var(--color-pending); }
.tag-info    { color: var(--color-info); }
.tag-warn    { color: var(--color-warning); }
.tag-danger  { color: var(--color-danger); }
.tag-neutral { color: var(--color-text-muted); }

.alert { display: flex; gap: var(--space-3); align-items: flex-start; padding: 14px var(--space-4); border-radius: var(--radius); border: 1px solid var(--color-border); background: var(--color-surface); font-size: 15px; margin-bottom: var(--space-4); }
.alert .icon { margin-top: 3px; }
.alert-info    { border-color: color-mix(in srgb, var(--color-info) 35%, transparent);    background: color-mix(in srgb, var(--color-info) 6%, var(--color-surface)); }
.alert-info .icon { color: var(--color-info); }
.alert-warn    { border-color: color-mix(in srgb, var(--color-warning) 40%, transparent); background: color-mix(in srgb, var(--color-warning) 7%, var(--color-surface)); }
.alert-warn .icon { color: var(--color-warning); }
.alert-error   { border-color: color-mix(in srgb, var(--color-danger) 40%, transparent);  background: color-mix(in srgb, var(--color-danger) 6%, var(--color-surface)); }
.alert-error .icon { color: var(--color-danger); }
.alert-success { border-color: color-mix(in srgb, var(--color-success) 40%, transparent); background: color-mix(in srgb, var(--color-success) 6%, var(--color-surface)); }
.alert-success .icon { color: var(--color-success); }
.alert p { margin: 0; }

/* =========================================================
   5. 검색창 (첫 화면 · 결과 상단 공용)
   ========================================================= */
.search { position: relative; }
.search-field { display: flex; align-items: stretch; background: var(--color-surface); border: 1px solid var(--color-border-strong); border-radius: var(--radius); overflow: hidden; }
.search-field:focus-within { border-color: var(--color-link); box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-link) 20%, transparent); }
.search-icon { display: flex; align-items: center; padding-left: var(--space-4); color: var(--color-text-muted); }
.search-input { flex: 1; min-width: 0; border: 0; outline: none; background: transparent; color: var(--color-text); font: inherit; font-size: 17px; padding: 0 var(--space-3); height: 56px; }
.search-input::placeholder { color: var(--color-text-muted); }
.search-btn { border: 0; border-radius: 0; min-width: 96px; height: auto; }
.search-hint { margin-top: var(--space-2); font-size: var(--fs-sm); color: var(--color-text-muted); min-height: 1.6em; }
.search-examples { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); margin-top: var(--space-3); font-size: var(--fs-sm); }
.search-examples-label { color: var(--color-text-muted); margin-right: 2px; }
.example-chip { font-family: var(--font-mono); font-size: 13.5px; padding: 4px 10px; border-radius: var(--radius-sm); border: 1px solid var(--color-border); color: var(--color-text-sub); background: var(--color-surface); }
.example-chip:hover { border-color: var(--color-border-strong); color: var(--color-text); text-decoration: none; }
.search-compact .search-input { height: 48px; font-size: 16px; }
@media (max-width: 575.98px) {
    .search-btn { min-width: 72px; padding: 0 14px; }
    .search-icon { display: none; }
}

/* =========================================================
   6. 첫 화면 밴드
   ========================================================= */
.band { background: var(--color-band); color: var(--color-on-band); }
.hero { padding: 64px 0 56px; border-bottom: 1px solid var(--color-band-line); }
.hero-grid { display: grid; gap: var(--space-6); align-items: end; }
.hero-eyebrow { display: inline-block; font-size: var(--fs-sm); font-weight: 700; color: var(--color-on-band-muted); margin-bottom: var(--space-3); letter-spacing: .01em; }
.hero h1 { color: var(--color-on-band); font-size: var(--fs-3xl); line-height: 1.2; margin-bottom: var(--space-4); }
.hero-lead { color: var(--color-on-band-muted); font-size: 17px; max-width: 620px; margin-bottom: var(--space-5); }
.hero .search-field { border-color: transparent; }
.hero .search-field:focus-within { box-shadow: 0 0 0 3px color-mix(in srgb, #ffffff 30%, transparent); }
.hero .search-btn { background: var(--color-link); color: #fff; }
.hero .search-btn:hover { background: color-mix(in srgb, var(--color-link) 85%, #000); }
.hero .search-hint, .hero .search-examples-label { color: var(--color-on-band-muted); }
.hero .example-chip { background: transparent; border-color: var(--color-band-line); color: var(--color-on-band); }
.hero .example-chip:hover { border-color: var(--color-on-band-muted); }
:root[data-theme="dark"] .hero .search-btn { color: #0b1020; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .hero .search-btn { color: #0b1020; } }

.hero-facts { border: 1px solid var(--color-band-line); border-radius: var(--radius-lg); background: var(--color-band-2); }
.hero-facts-title { font-size: var(--fs-xs); font-weight: 700; color: var(--color-on-band-muted); padding: 14px 18px; border-bottom: 1px solid var(--color-band-line); display: flex; justify-content: space-between; gap: var(--space-3); }
.hero-facts dl { margin: 0; display: grid; grid-template-columns: 1fr 1fr; }
.hero-facts dl > div { padding: 16px 18px; border-bottom: 1px solid var(--color-band-line); }
.hero-facts dl > div:nth-child(odd) { border-right: 1px solid var(--color-band-line); }
.hero-facts dl > div:nth-last-child(-n+2) { border-bottom: 0; }
.hero-facts dt { font-size: var(--fs-xs); color: var(--color-on-band-muted); margin-bottom: 2px; }
.hero-facts dd { margin: 0; font-size: 24px; font-weight: 700; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.hero-facts dd small { font-size: 13px; font-weight: 500; color: var(--color-on-band-muted); margin-left: 2px; }
.hero-facts-foot { padding: 12px 18px; border-top: 1px solid var(--color-band-line); font-size: var(--fs-xs); }
.hero-facts-foot a { color: var(--color-on-band); }
@media (min-width: 992px) {
    .hero { padding: 88px 0 72px; }
    .hero-grid { grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: var(--space-7); }
}

/* =========================================================
   7. 섹션 · 공통 블록
   ========================================================= */
/* 위아래만 지정한다 - .container 와 같은 요소에 붙으면 좌우 여백을 0 으로 덮어쓰기 때문 */
.section { padding-top: var(--space-7); padding-bottom: var(--space-7); }
.section + .section { border-top: 1px solid var(--color-border); }
.section-alt { background: var(--color-surface); }
/* 제목·부제에 폭 제한을 두지 않는다 - 공간이 있으면 한 줄 (css-standard §16.1) */
.section-head { margin-bottom: var(--space-6); }
.section-head h2 { font-size: var(--fs-2xl); margin-bottom: var(--space-2); }
.section-head p { color: var(--color-text-muted); font-size: 17px; margin: 0; }
@media (min-width: 992px) { .section { padding-top: var(--space-8); padding-bottom: var(--space-8); } }

.page-head { padding: var(--space-7) 0 var(--space-5); border-bottom: 1px solid var(--color-border); background: var(--color-surface); }
.page-head h1 { font-size: clamp(28px, 3.6vw, 36px); margin-bottom: var(--space-2); }
.page-head .lead { color: var(--color-text-muted); font-size: 17px; margin: 0; }
.crumbs { font-size: var(--fs-sm); color: var(--color-text-muted); margin-bottom: var(--space-3); }
.crumbs a { color: var(--color-text-muted); }
.crumbs span[aria-hidden] { margin: 0 6px; }

.panel { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); }
.panel + .panel { margin-top: var(--space-5); }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); padding: 14px var(--space-5); border-bottom: 1px solid var(--color-border); }
.panel-head h2, .panel-head h3 { font-size: var(--fs-lg); display: flex; align-items: center; gap: var(--space-2); }
.panel-body { padding: var(--space-5); }
.panel-body-flush { padding: 0; }
@media (max-width: 575.98px) {
    .panel-head { padding: 12px var(--space-4); }
    .panel-body { padding: var(--space-4); }
}

/* 3단 기능 설명 (카드 대신 세로선) */
.cols3 { display: grid; gap: var(--space-5); }
.col-item { padding-top: var(--space-4); border-top: 2px solid var(--color-accent); }
.col-item h3 { font-size: var(--fs-lg); margin: var(--space-3) 0 var(--space-2); }
.col-item p { color: var(--color-text-sub); font-size: 15px; }
.col-item ul { list-style: none; padding: 0; margin: var(--space-3) 0 var(--space-4); font-size: 14.5px; color: var(--color-text-sub); }
.col-item li { padding: 7px 0; border-bottom: 1px solid var(--color-border-soft); }
.col-icon { display: inline-flex; width: 40px; height: 40px; align-items: center; justify-content: center; border-radius: var(--radius); border: 1px solid var(--color-border); background: var(--color-surface); color: var(--color-text); }
@media (min-width: 768px) { .cols3 { grid-template-columns: repeat(3, 1fr); gap: var(--space-6); } }

.split { display: grid; gap: var(--space-6); align-items: start; }
@media (min-width: 992px) { .split { grid-template-columns: 5fr 6fr; gap: var(--space-7); } }
.prose { color: var(--color-text-sub); font-size: 16.5px; }
.prose h2 { font-size: var(--fs-xl); color: var(--color-text); margin: var(--space-6) 0 var(--space-3); }
.prose h3 { font-size: var(--fs-lg); color: var(--color-text); margin: var(--space-5) 0 var(--space-2); }
.prose h2:first-child, .prose h3:first-child { margin-top: 0; }
.prose li { margin-bottom: 6px; }
.prose strong { color: var(--color-text); }

/* 표 (행 아래 선만) */
.table { font-size: 15px; }
.table th, .table td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--color-border); vertical-align: top; }
.table thead th { font-size: var(--fs-xs); font-weight: 700; color: var(--color-text-muted); background: var(--color-surface-alt); border-bottom-color: var(--color-border-strong); white-space: nowrap; }
.table tbody tr:last-child td { border-bottom: 0; }
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-surface); }
.table-compare td:first-child { font-weight: 600; color: var(--color-text); white-space: nowrap; }
.table-compare td:last-child { color: var(--color-text); }
.table-compare td:nth-child(2) { color: var(--color-text-muted); }

/* 키-값 목록 (결과 정보) */
.kv { margin: 0; }
.kv > div { display: grid; grid-template-columns: 1fr; gap: 2px; padding: 12px 0; border-bottom: 1px solid var(--color-border-soft); }
.kv > div:first-child { padding-top: 0; }
.kv > div:last-child { border-bottom: 0; padding-bottom: 0; }
.kv dt { font-size: var(--fs-sm); color: var(--color-text-muted); font-weight: 600; }
.kv dd { margin: 0; color: var(--color-text); word-break: break-all; }
.kv dd .sub { display: block; font-size: var(--fs-sm); color: var(--color-text-muted); word-break: keep-all; }
@media (min-width: 576px) { .kv > div { grid-template-columns: 180px minmax(0, 1fr); gap: var(--space-4); } }

/* 흐름 (조회 순서) */
.flow { list-style: none; padding: 0; margin: 0; display: grid; gap: 0; counter-reset: flow; border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-surface); }
.flow li { position: relative; padding: var(--space-5); border-bottom: 1px solid var(--color-border); counter-increment: flow; }
.flow li:last-child { border-bottom: 0; }
.flow-num { display: inline-flex; align-items: center; justify-content: center; width: 26px; height: 26px; border-radius: 50%; border: 1px solid var(--color-border-strong); font-size: 13px; font-weight: 700; color: var(--color-text-sub); margin-bottom: var(--space-3); font-variant-numeric: tabular-nums; }
.flow h3 { font-size: 16.5px; margin-bottom: 6px; }
.flow p { font-size: 14.5px; color: var(--color-text-muted); }
.flow code { font-size: 12.5px; }
@media (min-width: 992px) {
    .flow { grid-template-columns: repeat(4, 1fr); }
    .flow li { border-bottom: 0; border-right: 1px solid var(--color-border); }
    .flow li:last-child { border-right: 0; }
}

/* 코드 블록 */
.code { position: relative; background: var(--color-code-bg); color: var(--color-code-text); border-radius: var(--radius-lg); border: 1px solid var(--color-band-line); overflow: hidden; }
.code-head { display: flex; justify-content: space-between; align-items: center; gap: var(--space-3); padding: 8px 8px 8px 16px; border-bottom: 1px solid var(--color-band-line); font-size: var(--fs-xs); color: var(--color-code-muted); font-family: var(--font-mono); }
.code pre { margin: 0; padding: var(--space-4); overflow-x: auto; font-size: 13.5px; line-height: 1.7; tab-size: 2; }
.code .c-muted { color: var(--color-code-muted); }
.code .c-key { color: #9ecbff; }
.code .c-ok { color: #85e89d; }
.copy-btn { display: inline-flex; align-items: center; gap: 6px; height: 32px; padding: 0 10px; border-radius: var(--radius-sm); border: 1px solid var(--color-band-line); background: transparent; color: var(--color-code-text); font: inherit; font-size: 12.5px; cursor: pointer; }
.copy-btn:hover { background: color-mix(in srgb, #ffffff 8%, transparent); }
.copy-btn.is-done { color: #85e89d; border-color: #2f5f3a; }
.json-view { max-height: 560px; overflow: auto; }

/* 자주 묻는 질문 */
.faq { border-top: 1px solid var(--color-border); }
.faq details { border-bottom: 1px solid var(--color-border); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); padding: 18px 0; font-weight: 700; font-size: 16.5px; color: var(--color-text); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .icon { transition: transform .2s; color: var(--color-text-muted); }
.faq details[open] summary .icon { transform: rotate(180deg); }
.faq-answer { padding: 0 0 var(--space-5); color: var(--color-text-sub); max-width: 760px; }

/* 수치 띠 */
.stats { display: grid; grid-template-columns: repeat(2, 1fr); border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-surface); }
.stat { padding: var(--space-5); border-bottom: 1px solid var(--color-border); }
.stat:nth-child(odd) { border-right: 1px solid var(--color-border); }
.stat-num { font-size: 28px; font-weight: 800; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.stat-label { font-size: var(--fs-sm); color: var(--color-text-muted); }
@media (min-width: 768px) {
    .stats { grid-template-columns: repeat(4, 1fr); }
    .stat { border-bottom: 0; border-right: 1px solid var(--color-border); }
    .stat:last-child { border-right: 0; }
}
@media (max-width: 767.98px) { .stat:nth-last-child(-n+2) { border-bottom: 0; } }

/* =========================================================
   8. 조회 결과
   ========================================================= */
.lookup-bar { background: var(--color-surface); border-bottom: 1px solid var(--color-border); padding: var(--space-4) 0; }
.result-meta { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: var(--fs-sm); color: var(--color-text-muted); margin-bottom: var(--space-3); }
.result-meta span { display: inline-flex; align-items: center; gap: 6px; }
.result-head { display: grid; gap: var(--space-4); padding: var(--space-6) 0 var(--space-5); }
.result-type { display: inline-flex; align-items: center; gap: 6px; font-size: var(--fs-sm); font-weight: 700; color: var(--color-text-muted); margin-bottom: var(--space-2); }
.result-title { font-size: clamp(26px, 4vw, 38px); line-height: 1.2; word-break: break-all; }
.result-sub { margin-top: 6px; color: var(--color-text-muted); font-family: var(--font-mono); font-size: 14.5px; word-break: break-all; }
.result-summary { display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: stretch; }
.summary-box { border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-surface); padding: 12px 16px; min-width: 150px; }
.summary-box dt { font-size: var(--fs-xs); color: var(--color-text-muted); font-weight: 700; }
.summary-box dd { margin: 2px 0 0; font-size: 20px; font-weight: 800; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.summary-box dd small { font-size: 13px; font-weight: 600; color: var(--color-text-muted); }
.summary-box.is-ok dd { color: var(--color-success); }
.summary-box.is-warn dd { color: var(--color-warning); }
.summary-box.is-danger dd { color: var(--color-danger); }
.summary-box.is-lock dd { color: var(--color-text); }
.summary-box.is-pending dd { color: var(--color-pending); }
@media (min-width: 992px) {
    .result-head { grid-template-columns: minmax(0, 1fr) auto; align-items: end; }
}

.result-grid { display: grid; gap: var(--space-5); padding-bottom: var(--space-8); }
.result-grid > * { min-width: 0; }
@media (min-width: 992px) { .result-grid { grid-template-columns: minmax(0, 1fr) 320px; align-items: start; } .result-aside { position: sticky; top: calc(var(--header-h) + 16px); } }

.status-list { list-style: none; margin: 0; padding: 0; }
.status-list li { display: grid; gap: 6px; padding: 14px 0; border-bottom: 1px solid var(--color-border-soft); }
.status-list li:first-child { padding-top: 0; }
.status-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.status-line { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; }
.status-name { font-weight: 700; }
.status-code { font-family: var(--font-mono); font-size: 13px; color: var(--color-text-muted); }
.status-desc { font-size: 15px; color: var(--color-text-sub); margin: 0; }
.status-todo { font-size: 14px; color: var(--color-text-muted); margin: 0; }

.ns-list { list-style: none; margin: 0; padding: 0; font-family: var(--font-mono); font-size: 14.5px; }
.ns-list li { padding: 8px 0; border-bottom: 1px solid var(--color-border-soft); display: flex; flex-wrap: wrap; gap: 4px 12px; justify-content: space-between; }
.ns-list li:last-child { border-bottom: 0; }
.ns-list .ns-ip { color: var(--color-text-muted); font-size: 13px; }

.contacts { display: grid; gap: var(--space-4); }
@media (min-width: 768px) { .contacts { grid-template-columns: 1fr 1fr; } }
.contact { border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-4); background: var(--color-surface); }
.contact-role { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: var(--space-2); }
.contact-name { font-weight: 700; margin-bottom: 4px; word-break: break-all; }
.contact-lines { list-style: none; margin: 0; padding: 0; font-size: 14.5px; color: var(--color-text-sub); }
.contact-lines li { display: flex; gap: 8px; padding: 3px 0; word-break: break-all; }
.contact-lines .icon { margin-top: 4px; color: var(--color-text-muted); }
.contact-hidden { font-size: 14px; color: var(--color-text-muted); }
.contact.is-abuse { border-color: color-mix(in srgb, var(--color-danger) 35%, var(--color-border)); }

.source-list { list-style: none; margin: 0; padding: 0; }
.source-list li { padding: 12px 0; border-bottom: 1px solid var(--color-border-soft); font-size: 14px; }
.source-list li:first-child { padding-top: 0; }
.source-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.source-top { display: flex; justify-content: space-between; gap: 8px; font-weight: 700; }
.source-host { font-family: var(--font-mono); font-size: 13px; color: var(--color-text-muted); word-break: break-all; }
.source-org { color: var(--color-text-sub); }

.aside-actions { display: grid; gap: var(--space-2); }
.note-list { list-style: none; margin: 0; padding: 0; font-size: 14px; color: var(--color-text-sub); }
.note-list li { padding: 10px 0; border-bottom: 1px solid var(--color-border-soft); }
.note-list li:last-child { border-bottom: 0; }
.note-list strong { display: block; color: var(--color-text); }

.result-empty { text-align: left; padding: var(--space-6) 0 var(--space-8); }
.result-empty .panel-body { display: grid; gap: var(--space-3); }
.result-empty h1 { font-size: var(--fs-2xl); }

.bar-row { display: grid; grid-template-columns: 140px 1fr 48px; gap: 10px; align-items: center; font-size: 14px; padding: 6px 0; }

/* =========================================================
   9. 문서 페이지 (안내·사전·목록)
   ========================================================= */
.doc-layout { display: grid; gap: var(--space-6); padding-top: var(--space-6); padding-bottom: var(--space-8); }
.doc-layout > * { min-width: 0; }
@media (min-width: 992px) { .doc-layout { grid-template-columns: 220px minmax(0, 1fr); gap: var(--space-7); } }
.toc { font-size: var(--fs-sm); }
.toc-title { font-weight: 700; color: var(--color-text-muted); font-size: var(--fs-xs); margin-bottom: var(--space-2); }
.toc ol { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--color-border); }
.toc a { display: block; padding: 6px 0 6px 14px; margin-left: -1px; border-left: 2px solid transparent; color: var(--color-text-sub); }
.toc a:hover { color: var(--color-text); text-decoration: none; border-left-color: var(--color-border-strong); }
.toc a.is-active { color: var(--color-text); border-left-color: var(--color-accent); font-weight: 700; }
@media (min-width: 992px) { .toc { position: sticky; top: calc(var(--header-h) + 24px); align-self: start; } }
@media (max-width: 991.98px) { .toc { border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-4); background: var(--color-surface); } }
.doc-section { padding-bottom: var(--space-6); margin-bottom: var(--space-6); border-bottom: 1px solid var(--color-border); }
.doc-section:last-child { border-bottom: 0; margin-bottom: 0; }
.doc-section > h2 { font-size: var(--fs-xl); margin-bottom: var(--space-4); }
.doc-section .table-wrap, .doc-section .code { margin: var(--space-4) 0; }

.filter-bar { display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: center; margin-bottom: var(--space-4); }
.filter-bar .input { max-width: 360px; }
.dict-group { margin-bottom: var(--space-6); }
.dict-group h2 { font-size: var(--fs-lg); margin-bottom: var(--space-3); display: flex; align-items: center; gap: var(--space-2); }
.dict-item { padding: 16px 0; border-bottom: 1px solid var(--color-border-soft); display: grid; gap: 6px; scroll-margin-top: calc(var(--header-h) + 24px); }
.dict-item:target { background: color-mix(in srgb, var(--color-link) 6%, transparent); box-shadow: -12px 0 0 color-mix(in srgb, var(--color-link) 6%, transparent), 12px 0 0 color-mix(in srgb, var(--color-link) 6%, transparent); }
.dict-codes { display: flex; flex-wrap: wrap; gap: 6px 14px; font-family: var(--font-mono); font-size: 13px; color: var(--color-text-muted); }
.dict-item h3 { font-size: 16.5px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.dict-item p { margin: 0; font-size: 15px; color: var(--color-text-sub); }
.dict-item .dict-todo { color: var(--color-text-muted); font-size: 14.5px; }
.empty-state { padding: var(--space-6); text-align: center; color: var(--color-text-muted); border: 1px dashed var(--color-border); border-radius: var(--radius-lg); }

.tld-table td:first-child { font-weight: 700; }
.tld-table .mono { font-size: 13.5px; }
.highlight-row td { background: color-mix(in srgb, var(--color-link) 5%, transparent); }

/* =========================================================
   10. 폼
   ========================================================= */
.form { display: grid; gap: var(--space-4); }
.field label, .field .label { display: block; font-size: var(--fs-sm); font-weight: 700; margin-bottom: 6px; color: var(--color-text); }
.field .req { color: var(--color-danger); margin-left: 2px; }
.input, .select, .textarea { width: 100%; font: inherit; font-size: 16px; color: var(--color-text); background: var(--color-surface); border: 1px solid var(--color-border-strong); border-radius: var(--radius); padding: 0 12px; min-height: 46px; }
.textarea { padding: 10px 12px; min-height: 160px; resize: vertical; line-height: 1.6; }
.input:focus, .select:focus, .textarea:focus { outline: none; border-color: var(--color-link); box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-link) 20%, transparent); }
.input::placeholder, .textarea::placeholder { color: var(--color-text-muted); }
.field-help { font-size: 13.5px; color: var(--color-text-muted); margin-top: 6px; }
.field-error { font-size: 13.5px; color: var(--color-danger); font-weight: 600; margin-top: 6px; }
.is-invalid { border-color: var(--color-danger); }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; }
.check input { width: 20px; height: 20px; margin-top: 3px; accent-color: var(--color-accent); flex: none; }
.consent-box { border: 1px solid var(--color-border); border-radius: var(--radius); background: var(--color-surface-alt); padding: 12px 14px; font-size: 14px; color: var(--color-text-sub); }
.consent-box table { font-size: 13.5px; margin-top: 6px; }
.consent-box th, .consent-box td { border: 1px solid var(--color-border); padding: 6px 8px; text-align: left; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.grid-2 { display: grid; gap: var(--space-4); }
@media (min-width: 576px) { .grid-2 { grid-template-columns: 1fr 1fr; } }

/* 페이징 */
.pagination { display: flex; flex-wrap: wrap; justify-content: center; gap: 4px; margin: var(--space-5) 0 0; }
.pagination a, .pagination span { display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 40px; padding: 0 10px; border-radius: var(--radius); border: 1px solid var(--color-border); background: var(--color-surface); color: var(--color-text); font-size: 14px; font-variant-numeric: tabular-nums; }
.pagination a:hover { text-decoration: none; border-color: var(--color-border-strong); }
.pagination .is-active { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-on-accent); font-weight: 700; }
.pagination .pagination-gap { border: 0; background: none; min-width: 20px; }

/* =========================================================
   11. 푸터
   ========================================================= */
.site-footer { background: var(--color-band); color: var(--color-on-band-muted); font-size: var(--fs-sm); padding: var(--space-7) 0 var(--space-5); padding-bottom: calc(var(--space-5) + env(safe-area-inset-bottom, 0px)); }
.site-footer a { color: var(--color-on-band); }
.footer-grid { display: grid; gap: var(--space-6); padding-bottom: var(--space-6); border-bottom: 1px solid var(--color-band-line); }
.footer-brand .brand { color: var(--color-on-band); }
.footer-brand .brand-mark { background: var(--color-on-band); color: var(--color-band); }
.footer-brand .brand-name span, .footer-brand .brand-sub { color: var(--color-on-band-muted); }
.footer-brand p { margin-top: var(--space-4); max-width: 380px; }
.footer-col h2 { font-size: var(--fs-xs); color: var(--color-on-band-muted); font-weight: 700; margin-bottom: var(--space-3); letter-spacing: .02em; }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.footer-brand .footer-disclaimer { margin-top: var(--space-2); max-width: none; font-size: 13px; opacity: .8; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-3); padding-top: var(--space-5); font-size: 13px; }
.footer-biz { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 2px 18px; line-height: 1.8; max-width: 720px; }
/* 모바일: 소개는 한 줄 전체, 메뉴 3묶음은 2열 (서비스·안내 / 운영) */
@media (max-width: 767.98px) {
    .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-5) var(--space-4); }
    .footer-brand { grid-column: 1 / -1; }
}
@media (min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }

/* =========================================================
   12. 오류 페이지
   ========================================================= */
.error-page { padding-top: var(--space-8); padding-bottom: var(--space-8); }
.error-code { font-family: var(--font-mono); font-size: var(--fs-sm); color: var(--color-text-muted); margin-bottom: var(--space-3); }
.error-page h1 { font-size: clamp(26px, 4vw, 34px); margin-bottom: var(--space-3); }
.error-page .actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-5); }

/* =========================================================
   13. 움직임 최소화 · 인쇄
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}
.spinner { width: 16px; height: 16px; border: 2px solid color-mix(in srgb, currentColor 30%, transparent); border-top-color: currentColor; border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

@media print {
    .utilbar, .site-header, .mobile-nav, .notice-bar, .lookup-bar, .site-footer, .result-aside .aside-actions, .no-print { display: none !important; }
    body { background: #fff; color: #000; }
    .panel { border-color: #999; break-inside: avoid; }
    .result-grid { grid-template-columns: 1fr; }
    a { color: #000; }
}

.title-lg, .prose .title-lg { font-size: var(--fs-2xl); }
.narrow { max-width: 820px; }
.raw-json { margin-top: var(--space-3); }
.raw-json summary { list-style: none; display: inline-flex; }
.raw-json summary::-webkit-details-marker { display: none; }
.raw-json .code { margin-top: var(--space-3); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.pt-5 { padding-top: var(--space-5); }
.summary-box dd.dd-sm { font-size: 17px; }
.flow code { white-space: nowrap; }
@media (min-width: 992px) { .split-rev { grid-template-columns: 6fr 5fr; } }
.h-section { margin: var(--space-7) 0 var(--space-3); }
.pt-6 { padding-top: var(--space-6); }
.stat-num.stat-num-sm { font-size: 20px; line-height: 1.7; }

/* 관리자 로그인 (공용 헤더를 쓰므로 여기에 둔다) · 비밀번호 보기 (가이드 §5) */
.login-wrap { min-height: calc(100vh - 360px); display: flex; align-items: center; justify-content: center; padding: var(--space-7) var(--space-4); }
.login-card { width: 100%; max-width: var(--container-sm); }
.pw-field { position: relative; }
.pw-field .input { padding-right: 52px; }
.pw-toggle { position: absolute; right: 2px; top: 50%; transform: translateY(-50%); width: 44px; height: 42px; border: 0; background: none; color: var(--color-text-muted); cursor: pointer; border-radius: var(--radius-sm); display: inline-flex; align-items: center; justify-content: center; }
.pw-toggle:hover, .pw-toggle[aria-pressed="true"] { color: var(--color-text); }
.utilbar-inner > span:first-child { min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
/* 긴 영문 주소·호스트는 단어 단위로 넘기고, 넘칠 때만 글자 단위로 자른다 */
.kv dd, .contact-lines li, .contact-name, .result-title, .result-sub, .source-host { word-break: normal; overflow-wrap: anywhere; }