/* Snippet Tools — 공용 스타일. 깔끔한 개발자 도구 느낌, 라이트/다크 자동. */
:root {
  --bg: #ffffff;
  --bg-soft: #f6f7f9;
  --bg-inset: #f0f1f4;
  --panel: #ffffff;
  --line: #e3e6ea;
  --line-soft: #eceef1;
  --text: #1c2024;
  --text-soft: #5b6470;
  --text-mute: #99a1ab;
  --accent: #3b5bdb;
  --accent-soft: rgba(59, 91, 219, 0.08);
  --ok: #2f9e44;
  --warn: #e8590c;
  --danger: #e03131;
  --add-bg: #e6f4ea;
  --add-mark: #b7e0c2;
  --del-bg: #fdeaea;
  --del-mark: #f4bcbc;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Pretendard", "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(20, 24, 31, .04), 0 4px 16px rgba(20, 24, 31, .05);
  color-scheme: light;
}
:root[data-theme="dark"] {
  --bg: #14171c;
  --bg-soft: #1a1e24;
  --bg-inset: #21262e;
  --panel: #1a1e24;
  --line: #2b313a;
  --line-soft: #232830;
  --text: #e6e9ee;
  --text-soft: #a3acb8;
  --text-mute: #6c7580;
  --accent: #748ffc;
  --accent-soft: rgba(116, 143, 252, 0.12);
  --ok: #51cf66;
  --warn: #ff922b;
  --danger: #ff6b6b;
  --add-bg: rgba(47, 158, 68, .16);
  --add-mark: rgba(47, 158, 68, .4);
  --del-bg: rgba(224, 49, 49, .15);
  --del-mark: rgba(224, 49, 49, .4);
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 4px 16px rgba(0,0,0,.3);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  font-size: 15px;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- 레이아웃 ---------- */
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  position: sticky; top: 0; z-index: 20;
}
.site-header .wrap { display: flex; align-items: center; gap: 16px; height: 58px; }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 700; font-size: 16px; color: var(--text); letter-spacing: -.01em; }
.brand:hover { text-decoration: none; }
.brand .logo { width: 24px; height: 24px; display: block; }
.brand b { color: var(--accent); }
.header-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.icon-btn {
  height: 34px; min-width: 34px; padding: 0 8px;
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 1px solid var(--line); border-radius: 8px; background: var(--panel);
  color: var(--text-soft); font-size: 13px; font-weight: 600; cursor: pointer;
  font-family: inherit;
}
.icon-btn:hover { border-color: var(--text-mute); color: var(--text); }
.icon-btn svg { width: 16px; height: 16px; }
.lang-wrap { position: relative; }
.lang-menu {
  position: absolute; right: 0; top: 40px; background: var(--panel);
  border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow);
  padding: 5px; min-width: 132px; display: none;
}
.lang-menu.open { display: block; }
.lang-menu button {
  display: block; width: 100%; text-align: left; border: 0; background: none;
  padding: 7px 10px; border-radius: 7px; cursor: pointer; font-size: 13.5px; color: var(--text); font-family: inherit;
}
.lang-menu button:hover { background: var(--bg-soft); }
.lang-menu button[aria-current="true"] { color: var(--accent); font-weight: 700; }

main { padding: 26px 0 40px; min-height: 60vh; }
.page-head { margin-bottom: 20px; }
.page-head h1 { font-size: 22px; margin: 0 0 4px; letter-spacing: -.015em; }
.page-head p { margin: 0; color: var(--text-soft); font-size: 14px; }
.breadcrumb { font-size: 13px; color: var(--text-mute); margin-bottom: 14px; }
.breadcrumb a { color: var(--text-soft); }

/* 프라이버시 배너 (도구 상단 상시) */
.privacy-note {
  display: flex; align-items: center; gap: 8px;
  background: var(--accent-soft); border: 1px solid transparent; border-radius: 8px;
  padding: 8px 12px; margin-bottom: 18px; font-size: 12.5px; color: var(--text-soft);
}
.privacy-note svg { width: 15px; height: 15px; flex: none; color: var(--accent); }
.privacy-note b { color: var(--text); font-weight: 600; }

/* ---------- 홈: 도구 그리드 ---------- */
.hero { padding: 8px 0 26px; }
.hero h1 { font-size: 30px; margin: 0 0 8px; letter-spacing: -.02em; }
.hero p { margin: 0; color: var(--text-soft); font-size: 15.5px; max-width: 560px; }
.tool-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.tool-card {
  display: block; padding: 18px; border: 1px solid var(--line); border-radius: 12px;
  background: var(--panel); transition: border-color .15s, transform .15s, box-shadow .15s;
}
.tool-card:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow); text-decoration: none; }
.tool-card .ic { width: 30px; height: 30px; color: var(--accent); margin-bottom: 12px; display: block; }
.tool-card h3 { margin: 0 0 4px; font-size: 15.5px; color: var(--text); }
.tool-card p { margin: 0; font-size: 13px; color: var(--text-soft); line-height: 1.5; }
.section-label { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--text-mute); margin: 30px 0 12px; }

/* ---------- 폼 컨트롤 ---------- */
.field-label { display: block; font-size: 13px; font-weight: 600; color: var(--text-soft); margin-bottom: 6px; }
textarea, input[type="text"], input[type="number"], select {
  width: 100%; font-family: var(--mono); font-size: 13.5px; color: var(--text);
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: 8px;
  padding: 11px 12px; resize: vertical; line-height: 1.55;
}
textarea:focus, input:focus, select:focus { outline: none; border-color: var(--accent); background: var(--panel); }
textarea { min-height: 220px; tab-size: 2; }
select { font-family: var(--sans); cursor: pointer; }
input[type="checkbox"] { accent-color: var(--accent); width: 15px; height: 15px; vertical-align: -2px; }
label.check { font-size: 13px; color: var(--text-soft); cursor: pointer; user-select: none; display: inline-flex; align-items: center; gap: 6px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 38px; padding: 0 16px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--panel); color: var(--text); font-size: 13.5px; font-weight: 600;
  cursor: pointer; font-family: inherit; white-space: nowrap;
}
.btn:hover { border-color: var(--text-mute); text-decoration: none; }
.btn svg { width: 15px; height: 15px; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { filter: brightness(1.07); border-color: var(--accent); }
.btn-sm { height: 32px; padding: 0 11px; font-size: 12.5px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 14px 0; }
.toolbar .spacer { flex: 1; }
.opt-row { display: flex; flex-wrap: wrap; gap: 14px 18px; align-items: center; margin: 4px 0 14px; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 720px) { .two-col { grid-template-columns: 1fr; } }

/* 결과 통계 타일 */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; margin: 16px 0; }
.stat {
  border: 1px solid var(--line); border-radius: 10px; padding: 13px 15px; background: var(--panel);
}
.stat .v { font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: -.01em; }
.stat .k { font-size: 12px; color: var(--text-soft); margin-top: 2px; }

/* 알림/토스트 */
.toasts { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); z-index: 60; display: flex; flex-direction: column; gap: 8px; }
.toast { background: var(--text); color: var(--bg); padding: 9px 16px; border-radius: 8px; font-size: 13px; box-shadow: var(--shadow); }

.msg { font-size: 13px; padding: 9px 12px; border-radius: 8px; margin: 10px 0; }
.msg.err { background: var(--del-bg); color: var(--danger); }
.msg.ok { background: var(--add-bg); color: var(--ok); }

/* ---------- diff 출력 ---------- */
.diff-view {
  border: 1px solid var(--line); border-radius: 8px; overflow: auto; background: var(--panel);
  font-family: var(--mono); font-size: 13px; line-height: 1.5;
}
.diff-row { display: grid; grid-template-columns: 48px 1fr 48px 1fr; min-height: 21px; }
.diff-row > div { padding: 0 8px; white-space: pre-wrap; word-break: break-word; }
.diff-gutter { text-align: right; color: var(--text-mute); background: var(--bg-soft); user-select: none; border-right: 1px solid var(--line-soft); font-size: 11.5px; padding-top: 1px; }
.diff-cell.add { background: var(--add-bg); }
.diff-cell.del { background: var(--del-bg); }
.diff-cell mark { background: var(--add-mark); color: inherit; border-radius: 2px; }
.diff-cell.del mark { background: var(--del-mark); }
.diff-empty { background: var(--bg-inset); }
.diff-legend { display: flex; gap: 16px; font-size: 12.5px; color: var(--text-soft); margin: 12px 0; flex-wrap: wrap; }
.diff-legend span { display: inline-flex; align-items: center; gap: 6px; }
.diff-legend i { width: 12px; height: 12px; border-radius: 3px; display: inline-block; }

/* JSON 출력 */
.code-out {
  border: 1px solid var(--line); border-radius: 8px; background: var(--bg-soft);
  font-family: var(--mono); font-size: 13px; line-height: 1.5; padding: 12px;
  white-space: pre; overflow: auto; max-height: 520px; margin: 0; tab-size: 2;
}

/* 광고 슬롯 */
.ad-slot { margin: 26px auto; text-align: center; min-height: 0; overflow: hidden; }
.ad-slot .ad-label { font-size: 10px; color: var(--text-mute); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 4px; }

/* ---------- 푸터 ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 24px 0; margin-top: 24px; color: var(--text-soft); font-size: 13px; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; }
.site-footer a { color: var(--text-soft); }
.site-footer .spacer { flex: 1; }
.cookie-note { font-size: 12px; color: var(--text-mute); }

/* 문서(개인정보) */
.doc { max-width: 760px; }
.doc h2 { font-size: 17px; margin: 26px 0 8px; }
.doc p, .doc li { color: var(--text-soft); font-size: 14px; }
.doc code { font-family: var(--mono); background: var(--bg-inset); padding: 1px 5px; border-radius: 4px; font-size: 12.5px; }

.hidden { display: none !important; }

/* JSON 구문 강조 */
.j-key { color: var(--accent); }
.j-str { color: var(--ok); }
.j-num { color: var(--warn); }
.j-bool { color: #ae3ec9; }
.j-null { color: var(--text-mute); }
:root[data-theme="dark"] .j-bool { color: #da77f2; }

/* 난독화 진행/결과 */
.preset-desc { font-size: 12.5px; color: var(--text-soft); margin: 8px 0 14px; min-height: 18px; }
.busy { opacity: .6; pointer-events: none; }
.spinner { width: 15px; height: 15px; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; display: inline-block; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* 개인정보 처리위탁 표 */
.proc-table { width: 100%; border-collapse: collapse; margin: 12px 0 8px; font-size: 13px; }
.proc-table th, .proc-table td { border: 1px solid var(--line); padding: 9px 11px; text-align: left; vertical-align: top; color: var(--text-soft); }
.proc-table th { background: var(--bg-soft); color: var(--text); font-weight: 600; white-space: nowrap; }
.proc-table td:first-child { color: var(--text); font-weight: 500; }
@media (max-width: 600px) { .proc-table { font-size: 12px; } .proc-table th, .proc-table td { padding: 7px 8px; } }

/* 언어 메뉴 항목 (a 링크) */
.lang-menu a.lang-item { display: block; width: 100%; text-align: left; padding: 7px 10px; border-radius: 7px; font-size: 13.5px; color: var(--text); text-decoration: none; }
.lang-menu a.lang-item:hover { background: var(--bg-soft); text-decoration: none; }
.lang-menu a.lang-item[aria-current="true"] { color: var(--accent); font-weight: 700; }