/* =========================================================
   도구상자 — 공통 스타일 (홈 + 모든 도구 페이지 공유)
   ========================================================= */
:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #1f2430;
  --muted: #6b7280;
  --border: #e5e7eb;
  --accent: #3b6ef6;
  --accent-weak: #eaf0fe;
  --shadow: 0 1px 3px rgba(0, 0, 0, .08), 0 1px 2px rgba(0, 0, 0, .04);
  --radius: 14px;
}
[data-theme="dark"] {
  --bg: #0f1115;
  --surface: #171a21;
  --text: #e6e8ee;
  --muted: #9aa3b2;
  --border: #262b35;
  --accent: #5b8cff;
  --accent-weak: #1b2540;
  --shadow: 0 1px 3px rgba(0, 0, 0, .4);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI", "Malgun Gothic", sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
.container { max-width: 1040px; margin: 0 auto; padding: 0 20px; }

/* ---------- 헤더 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; gap: 16px; justify-content: space-between; padding: 12px 20px; }
.brand-wrap { display: flex; align-items: center; gap: 12px; color: var(--text); }
.brand-logo { font-size: 26px; }
.brand { font-weight: 800; font-size: 18px; letter-spacing: -.3px; }
.tagline { font-size: 12px; color: var(--muted); }
.header-actions { display: flex; align-items: center; gap: 10px; flex: 1; justify-content: flex-end; }
.search {
  width: min(360px, 46vw); padding: 9px 14px;
  border: 1px solid var(--border); border-radius: 999px;
  background: var(--bg); color: var(--text); font-size: 14px; outline: none;
}
.search:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-weak); }
.theme-btn {
  border: 1px solid var(--border); background: var(--surface);
  border-radius: 10px; width: 38px; height: 38px; font-size: 16px; cursor: pointer; color: var(--text);
}
.theme-btn:hover { border-color: var(--accent); }

/* ---------- 섹션/카드 ---------- */
.block { margin: 28px 0; }
.section-title { font-size: 16px; font-weight: 700; margin: 0 0 14px; }
.grid { display: grid; gap: 14px; }
.tool-grid { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.link-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
.card {
  position: relative;
  display: block; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 30px 16px 16px; text-decoration: none; color: var(--text);
  box-shadow: var(--shadow); transition: transform .12s ease, border-color .12s ease;
}
.card:hover { transform: translateY(-2px); border-color: var(--accent); }

/* 즐겨찾기 별 */
.fav-star { position: absolute; top: 10px; right: 12px; font-size: 16px; line-height: 1; color: var(--muted); opacity: 0; cursor: pointer; transition: opacity .12s ease, transform .12s ease; user-select: none; z-index: 3; }
.card:hover .fav-star { opacity: .4; }
.fav-star:hover { opacity: 1; transform: scale(1.25); }
.fav-star.on { opacity: 1; color: #f6b73c; }
.tool-card { display: flex; gap: 12px; align-items: flex-start; }
.card-icon { font-size: 24px; line-height: 1; }
.card-title { font-weight: 700; font-size: 14.5px; }
.card-desc { font-size: 12.5px; color: var(--muted); margin-top: 3px; }
.link-cat { margin-bottom: 20px; }
.cat-title { font-size: 13px; color: var(--muted); font-weight: 700; margin: 0 0 10px; display: flex; align-items: center; gap: 6px; }

/* 선택형 링크 카드 (맞춤법 검사기 등) — 펼쳐서 택1 */
.choice-card { cursor: pointer; }
.choice-card:hover { transform: none; }
.choice-card > summary { list-style: none; outline: none; }
.choice-card > summary::-webkit-details-marker { display: none; }
.choice-caret { font-size: 11px; color: var(--muted); display: inline-block; transition: transform .15s ease; }
.choice-card[open] .choice-caret { transform: rotate(180deg); }
.choice-card[open] { border-color: var(--accent); }
.choice-menu { margin-top: 10px; display: flex; flex-direction: column; gap: 6px; }
.choice-opt { display: block; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; font-size: 13px; text-decoration: none; color: var(--text); background: var(--bg); }
.choice-opt:hover { border-color: var(--accent); color: var(--accent); }

/* 참고 패널 (접이식) — 날짜 계산기 등 */
.ref { max-width: 640px; margin-top: 24px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 0 16px; box-shadow: var(--shadow); }
.ref > summary { cursor: pointer; padding: 14px 2px; font-weight: 700; font-size: 14px; list-style: none; color: var(--text); }
.ref > summary::-webkit-details-marker { display: none; }
.ref[open] > summary { border-bottom: 1px solid var(--border); }
.ref-body { padding: 6px 2px 16px; font-size: 13.5px; color: var(--text); }
.ref-body h4 { margin: 16px 0 6px; font-size: 13.5px; color: var(--accent); }
.ref-body h4:first-child { margin-top: 8px; }
.ref-body ul { margin: 0; padding-left: 18px; }
.ref-body li { margin: 5px 0; line-height: 1.65; }
.ref-note { font-size: 12.5px; color: var(--muted); margin: 4px 0 2px; line-height: 1.6; }
.ref-term { color: var(--accent); font-weight: 600; }

/* 노임단가 등 표 */
.wage-table { width: 100%; max-width: 560px; border-collapse: collapse; margin: 16px 0; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.wage-table th, .wage-table td { padding: 10px 14px; border-bottom: 1px solid var(--border); font-size: 14px; text-align: left; }
.wage-table th { background: var(--bg); font-size: 12.5px; color: var(--muted); }
.wage-table td.num, .wage-table th.num { text-align: right; font-variant-numeric: tabular-nums; }
.wage-table tr.grp td { background: var(--accent-weak); font-weight: 700; font-size: 13px; color: var(--accent); }
.wage-table tr:last-child td { border-bottom: none; }
.wage-tools { display: flex; align-items: center; gap: 12px; margin: 8px 0; flex-wrap: wrap; }
.wage-tools label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.wage-tools input { padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); color: var(--text); width: 120px; font-size: 14px; }
.tool-main h1 { font-size: 22px; margin: 0 0 4px; }
.tool-main .meta { font-size: 13px; color: var(--muted); margin: 0 0 16px; line-height: 1.6; }
.tool-main .muted { color: var(--muted); font-size: 12.5px; }

/* PDF 잠금해제 */
.unlock-box { max-width: 520px; display: flex; flex-direction: column; gap: 14px; margin: 16px 0; }
.file-drop { display: flex; align-items: center; justify-content: center; min-height: 96px; border: 2px dashed var(--border); border-radius: 12px; cursor: pointer; color: var(--muted); font-size: 14px; text-align: center; padding: 16px; background: var(--surface); transition: border-color .12s ease, color .12s ease; }
.file-drop:hover, .file-drop.over { border-color: var(--accent); color: var(--accent); }
.unlock-box > label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
.unlock-box input[type=password] { padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); color: var(--text); font-size: 14px; }
.status { font-size: 14px; min-height: 20px; }
.status.ok { color: #16a34a; font-weight: 600; }
.status.err { color: #dc2626; font-weight: 600; }

/* 이미지 배경 제거 */
.bg-tool { max-width: 720px; display: flex; flex-direction: column; gap: 14px; margin: 16px 0; }
.bg-previews { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.pv-label { font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.pv { max-width: 100%; max-height: 320px; border-radius: 10px; display: block; }
.checker { background-image: linear-gradient(45deg, #c9ccd1 25%, transparent 25%), linear-gradient(-45deg, #c9ccd1 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #c9ccd1 75%), linear-gradient(-45deg, transparent 75%, #c9ccd1 75%); background-size: 20px 20px; background-position: 0 0, 0 10px, 10px -10px, -10px 0; border-radius: 10px; display: inline-block; }
@media (max-width: 560px) { .bg-previews { grid-template-columns: 1fr; } }

/* 도장 만들기 */
.dojang-controls { display: flex; flex-wrap: wrap; gap: 14px; align-items: flex-end; max-width: 720px; margin: 16px 0 10px; }
.dojang-controls label { display: flex; flex-direction: column; gap: 5px; font-size: 13px; color: var(--muted); }
.dojang-controls .chk { flex-direction: row; align-items: center; gap: 8px; color: var(--text); }
.dojang-controls input[type=text], .dojang-controls select { padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); color: var(--text); font-size: 14px; }
.dojang-controls input[type=color] { width: 54px; height: 36px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); cursor: pointer; padding: 2px; }
.dojang-controls input[type=range] { width: 140px; }
.dpanel { max-width: 720px; }
.dpanel.hidden { display: none; }
.dpanel > label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); margin-bottom: 12px; }
#d-text, #d-list { padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); color: var(--text); font-size: 14px; font-family: inherit; }
#d-list { width: 100%; resize: vertical; }
.dojang-preview { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
.dojang-preview .checker { padding: 0; }
#d-canvas { display: block; border-radius: 8px; max-width: 100%; }
.dojang-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; margin-top: 16px; }
.dojang-gallery .item { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.dojang-gallery .item .checker { padding: 0; }
.dojang-gallery canvas { width: 150px; height: 150px; border-radius: 8px; display: block; }
.dojang-gallery .item a { font-size: 12px; color: var(--accent); text-decoration: none; word-break: break-all; text-align: center; }
.stamp-bg { background: #fff; border: 1px solid var(--border); border-radius: 8px; display: inline-block; line-height: 0; }
.dojang-dls { display: flex; gap: 10px; flex-wrap: wrap; }
.dojang-gallery .item .stamp-bg { padding: 0; }
.dojang-gallery .item .links { display: flex; gap: 12px; }

/* 목록형(compact) 보기 — 한 줄 4개, 카드 최소화 */
html.compact .tool-grid, html.compact .link-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
html.compact .card { padding: 9px 11px; box-shadow: none; }
html.compact .card:hover { transform: none; }
html.compact .card-desc { display: none; }
html.compact .tool-card { align-items: center; gap: 8px; }
html.compact .card-icon { font-size: 18px; }
html.compact .card-title { font-size: 13px; }
html.compact .card-desc, html.compact .cat-icon { }
html.compact .fav-star { top: 4px; right: 6px; font-size: 13px; }
html.compact .section-title { margin-bottom: 10px; }
@media (max-width: 640px) { html.compact .tool-grid, html.compact .link-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* 이미지 붙여넣기 저장 */
.paste-zone { min-height: 160px; border: 2px dashed var(--border); border-radius: 12px; display: flex; align-items: center; justify-content: center; text-align: center; color: var(--muted); background: var(--surface); cursor: pointer; padding: 20px; outline: none; line-height: 1.7; }
.paste-zone:hover, .paste-zone.over { border-color: var(--accent); }
.paste-zone .link { color: var(--accent); cursor: pointer; text-decoration: underline; }
.paste-controls { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin: 16px 0; }
.paste-controls label { display: flex; flex-direction: column; gap: 5px; font-size: 13px; color: var(--muted); }
.paste-controls select { padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); color: var(--text); font-size: 14px; }
.paste-preview { display: inline-block; max-width: 100%; padding: 0; }
.paste-preview img { display: block; max-width: 100%; max-height: 420px; border-radius: 8px; }

/* 놀거리 (룰렛 / 사다리) */
.game-wrap { display: grid; grid-template-columns: 240px 1fr; gap: 20px; max-width: 760px; align-items: start; margin: 16px 0; }
.game-side label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
.game-side textarea { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); color: var(--text); font-size: 14px; font-family: inherit; resize: vertical; }
.game-main { display: flex; flex-direction: column; gap: 12px; align-items: center; }
.wheel-box, .ladder-box { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 8px; max-width: 100%; }
.wheel-box canvas, .ladder-box canvas { display: block; max-width: 100%; height: auto; }
.game-result { font-size: 18px; font-weight: 800; min-height: 26px; color: var(--accent); text-align: center; }
@media (max-width: 560px) { .game-wrap { grid-template-columns: 1fr; } }

/* 번호뽑기 대포 */
.cannon-controls { display: flex; gap: 14px; align-items: flex-end; flex-wrap: wrap; margin: 16px 0; }
.cannon-controls label { display: flex; flex-direction: column; gap: 5px; font-size: 13px; color: var(--muted); }
.cannon-controls .chk { flex-direction: row; align-items: center; gap: 8px; color: var(--text); }
.cannon-controls input[type=number] { width: 90px; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); color: var(--text); font-size: 14px; }
#cannon-result { font-size: 44px; font-weight: 900; color: var(--accent); min-height: 50px; text-align: center; }
.cannon-history { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-top: 4px; max-width: 600px; }
.cannon-history .chip { background: var(--bg); border: 1px solid var(--border); color: var(--muted); border-radius: 999px; padding: 3px 10px; font-size: 13px; font-weight: 700; }
.cannon-history .chip.last { background: var(--accent); color: #fff; border-color: var(--accent); }

/* 계산기/변환기 공통 (만나이·평수·좌표·QR 등) */
.calc { max-width: 520px; }
.calc .row { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; font-size: 13px; color: var(--muted); }
.calc input, .calc select { padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); color: var(--text); font-size: 15px; font-family: inherit; }
.calc .out { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 16px; }
.calc .out .big { font-size: 30px; font-weight: 800; color: var(--accent); margin-bottom: 6px; }
.calc .out .line { display: flex; justify-content: space-between; gap: 12px; padding: 7px 0; border-bottom: 1px solid var(--border); font-size: 14px; color: var(--muted); }
.calc .out .line:last-child { border-bottom: none; }
.calc .out .line b { color: var(--text); }

/* 홈 소개문 (SEO) */
.home-intro { max-width: 820px; margin: 18px 0 4px; font-size: 14px; color: var(--muted); line-height: 1.7; }
.home-intro b { color: var(--text); }

/* 언어 전환 버튼 (한/EN/日/中) */
.lang-switch { display: inline-flex; gap: 1px; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; background: var(--border); }
.lang-btn { border: none; background: var(--surface); color: var(--muted); font-size: 12px; font-weight: 700; padding: 7px 9px; cursor: pointer; line-height: 1; }
.lang-btn:hover { color: var(--accent); }
@media (max-width: 560px) { .lang-switch { order: 3; } }

/* ---------- 광고 슬롯 ---------- */
.ad-slot {
  display: flex; align-items: center; justify-content: center;
  min-height: 90px; border: 1px dashed var(--border); border-radius: 12px;
  color: var(--muted); font-size: 12px; margin: 20px 0;
  background: repeating-linear-gradient(45deg, transparent, transparent 10px,
    color-mix(in srgb, var(--border) 30%, transparent) 10px,
    color-mix(in srgb, var(--border) 30%, transparent) 11px);
}

/* ---------- 푸터 ---------- */
.site-footer { border-top: 1px solid var(--border); margin-top: 40px; padding: 24px 0; color: var(--muted); font-size: 13px; text-align: center; }

/* ---------- 도구 페이지 공통 ---------- */
.tool-main { padding-top: 24px; padding-bottom: 40px; }
.tool-textarea {
  width: 100%; min-height: 220px; resize: vertical; padding: 16px;
  border: 1px solid var(--border); border-radius: 12px;
  background: var(--surface); color: var(--text); font-size: 15px; line-height: 1.6;
  outline: none; font-family: inherit;
}
.tool-textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-weak); }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 18px 0; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px; text-align: center; }
.stat-num { font-size: 24px; font-weight: 800; color: var(--accent); }
.stat-label { font-size: 12px; color: var(--muted); margin-top: 4px; }
.tool-actions { display: flex; gap: 10px; }
.btn { background: var(--accent); color: #fff; border: none; border-radius: 10px; padding: 10px 16px; font-size: 14px; font-weight: 600; cursor: pointer; }
.btn:hover { filter: brightness(1.05); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }

/* 탭 + 패널 (날짜 계산기 등) */
.tabs { display: flex; gap: 8px; margin-bottom: 18px; flex-wrap: wrap; }
.tab { background: var(--surface); border: 1px solid var(--border); border-radius: 999px; padding: 8px 16px; cursor: pointer; color: var(--text); font-size: 14px; }
.tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.tab-panel { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 20px; display: flex; flex-direction: column; gap: 14px; max-width: 460px; }
.tab-panel.hidden { display: none; }
.tab-panel > label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
.tab-panel input[type=date], .tab-panel input[type=number] {
  padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px;
  background: var(--bg); color: var(--text); font-size: 15px; font-family: inherit;
}
.radio-row { display: flex; flex-direction: row; gap: 18px; }
.radio-row label { display: flex; flex-direction: row; align-items: center; gap: 6px; color: var(--text); font-size: 14px; }
.result { font-size: 18px; font-weight: 700; padding: 14px; background: var(--accent-weak); border-radius: 10px; color: var(--text); }
.result small { display: block; font-weight: 500; font-size: 13px; color: var(--muted); margin-top: 4px; }

/* ---------- 변경 이력 ---------- */
.ver-list { display: flex; flex-direction: column; gap: 16px; max-width: 640px; }
.ver-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.ver-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.ver-badge { background: var(--accent); color: #fff; font-weight: 800; font-size: 13px; padding: 3px 10px; border-radius: 999px; }
.ver-badge.latest::after { content: " · 최신"; }
.ver-title { font-weight: 700; font-size: 15px; }
.ver-date { font-size: 12px; color: var(--muted); margin-left: auto; }
.ver-item ul { margin: 0; padding-left: 18px; }
.ver-item li { font-size: 14px; margin: 4px 0; color: var(--text); }

@media (max-width: 560px) { .tagline { display: none; } .header-inner { gap: 10px; } }