/* ==========================================================
   print.sayhello.co.kr — common.css
   콘셉트: 재단 매트(커팅 매트) 위에 놓인 종이. 미리보기가 주인공.
   ========================================================== */
:root {
  --bg: #eef0f2;
  --surface: #ffffff;
  --surface-2: #f5f6f8;
  --ink: #1b2430;
  --ink-2: #5a6472;
  --line: #d8dde3;
  --brand: #2346a0;        /* 잉크 블루 */
  --brand-ink: #ffffff;
  --mark: #ffd23f;         /* 형광펜 노랑: 시작 칸 표시 */
  --mat: #2e5b4f;          /* 커팅 매트 */
  --mat-grid: rgba(255,255,255,.09);
  --danger: #c0392b;
  --radius-s: 6px;
  --radius-m: 10px;
  --font: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14181d;
    --surface: #1c2128;
    --surface-2: #232a33;
    --ink: #e7ebf0;
    --ink-2: #9aa5b3;
    --line: #313a45;
    --brand: #7f9cff;
    --brand-ink: #0e1420;
    --mat: #1f3f37;
    --mat-grid: rgba(255,255,255,.06);
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  word-break: keep-all;
}
a { color: var(--brand); }
img, canvas { max-width: 100%; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }

/* ---------- 헤더 ---------- */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}
.site-header .inner {
  max-width: 1240px; margin: 0 auto; padding: 10px 20px;
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
}
.logo {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 800; font-size: 17px; color: var(--ink); text-decoration: none; letter-spacing: -0.02em;
}
.logo-mark {
  width: 26px; height: 26px; border-radius: 5px; background: var(--brand);
  display: grid; place-items: center; color: var(--brand-ink); font-size: 13px; font-weight: 800;
}
.tool-nav { display: flex; gap: 4px; flex-wrap: wrap; margin-left: auto; }
.tool-nav a {
  font-size: 14px; padding: 6px 10px; border-radius: var(--radius-s);
  color: var(--ink-2); text-decoration: none;
}
.tool-nav a:hover { background: var(--surface-2); color: var(--ink); }
.tool-nav a[aria-current="page"] { color: var(--brand); font-weight: 700; background: var(--surface-2); }

/* ---------- 광고 슬롯 (CLS 방지 + 오클릭 방지 여백) ---------- */
.ad-wrap {
  max-width: 1240px; margin: 24px auto; padding: 0 20px;
}
.ad-wrap .ad-label { display: block; font-size: 11px; color: var(--ink-2); margin-bottom: 4px; }
.ad {
  min-height: 90px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 8px 0;
  overflow: hidden;
}
.ad-middle { min-height: 250px; }

/* ---------- 작업 영역 ---------- */
.workspace {
  max-width: 1240px; margin: 0 auto; padding: 0 20px;
  display: grid; grid-template-columns: minmax(320px, 400px) 1fr; gap: 24px; align-items: start;
}
.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
}
.controls { padding: 22px 22px 18px; }
.controls h1 { font-size: 22px; line-height: 1.35; margin: 0 0 6px; letter-spacing: -0.03em; }
.controls .lead { margin: 0 0 18px; color: var(--ink-2); font-size: 14px; }

fieldset { border: 0; margin: 0 0 18px; padding: 0; }
legend {
  font-weight: 700; font-size: 14px; padding: 0; margin-bottom: 10px; color: var(--ink);
  display: flex; align-items: center; gap: 8px;
}
legend .step {
  width: 20px; height: 20px; border-radius: 50%; background: var(--brand); color: var(--brand-ink);
  font-size: 12px; display: grid; place-items: center;
}
.field { margin-bottom: 10px; }
.field > label, .field > .label { display: block; font-size: 13px; color: var(--ink-2); margin-bottom: 4px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.row-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
input[type="text"], input[type="tel"], input[type="url"], input[type="number"], select, textarea {
  width: 100%; font: inherit; font-size: 15px; color: var(--ink);
  background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--radius-s);
  padding: 8px 10px;
}
textarea { resize: vertical; min-height: 64px; line-height: 1.5; }
input:focus, select:focus, textarea:focus { border-color: var(--brand); outline: none; box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 18%, transparent); }
input[type="color"] { width: 44px; height: 38px; padding: 2px; border: 1px solid var(--line); border-radius: var(--radius-s); background: var(--surface-2); }
.check { display: flex; align-items: center; gap: 8px; font-size: 14px; margin: 6px 0; cursor: pointer; }
.check input { width: 16px; height: 16px; accent-color: var(--brand); }
.hint { font-size: 12.5px; color: var(--ink-2); margin: 4px 0 0; }
.hidden { display: none !important; }
details.more { border-top: 1px dashed var(--line); padding-top: 12px; margin-bottom: 16px; }
details.more summary { cursor: pointer; font-size: 14px; font-weight: 600; color: var(--ink-2); }
details.more[open] summary { margin-bottom: 10px; }

.actions {
  display: grid; grid-template-columns: 1fr auto; gap: 8px;
  padding-top: 16px; border-top: 1px solid var(--line);
}
.btn {
  font: inherit; font-size: 15px; font-weight: 700; cursor: pointer;
  padding: 12px 16px; border-radius: var(--radius-s);
  border: 1px solid var(--line); background: var(--surface-2); color: var(--ink);
}
.btn:hover { border-color: var(--ink-2); }
.btn.primary { background: var(--brand); border-color: var(--brand); color: var(--brand-ink); }
.btn.primary:hover { filter: brightness(1.08); }
.btn[disabled] { opacity: .6; cursor: progress; }
.btn-text { background: none; border: 0; color: var(--ink-2); font: inherit; font-size: 13px; cursor: pointer; text-decoration: underline; padding: 0; }
.privacy-note {
  margin: 14px 0 0; font-size: 12.5px; color: var(--ink-2);
  padding: 10px 12px; background: var(--surface-2); border-radius: var(--radius-s);
}

/* ---------- 미리보기: 커팅 매트 ---------- */
.preview { position: sticky; top: 16px; overflow: hidden; }
.preview-bar {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 10px 14px; border-bottom: 1px solid var(--line); font-size: 13px; color: var(--ink-2);
}
.preview-bar .spacer { flex: 1; }
.preview-bar strong { color: var(--ink); }
.mat {
  background-color: var(--mat);
  background-image:
    linear-gradient(var(--mat-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--mat-grid) 1px, transparent 1px);
  background-size: 20px 20px;
  padding: 28px;
  display: flex; justify-content: center; align-items: flex-start;
  min-height: 420px;
}
.mat canvas {
  display: block; background: #fff;
  box-shadow: 0 1px 1px rgba(0,0,0,.25), 0 12px 30px rgba(0,0,0,.35);
  cursor: crosshair;
}
.mat-caption { font-size: 12.5px; color: var(--ink-2); padding: 10px 14px; margin: 0; }

/* ---------- 하단 가이드 (SEO 본문) ---------- */
.guide {
  max-width: 820px; margin: 0 auto 40px; padding: 0 20px;
}
.guide h2 { font-size: 21px; letter-spacing: -0.02em; margin: 36px 0 10px; }
.guide h3 { font-size: 17px; margin: 24px 0 8px; }
.guide p, .guide li { color: var(--ink); }
.guide p { margin: 0 0 12px; }
.guide ul, .guide ol { padding-left: 20px; }
.table-scroll { overflow-x: auto; margin: 12px 0 20px; }
.guide table { border-collapse: collapse; width: 100%; font-size: 14px; min-width: 520px; }
.guide th, .guide td { border-bottom: 1px solid var(--line); padding: 8px 10px; text-align: left; }
.guide th { background: var(--surface-2); font-weight: 700; }
.faq details { border-bottom: 1px solid var(--line); padding: 12px 0; }
.faq summary { cursor: pointer; font-weight: 700; }
.faq details p { margin: 8px 0 0; color: var(--ink-2); }

/* ---------- 허브 ---------- */
.hub-hero { max-width: 1240px; margin: 0 auto; padding: 40px 20px 8px; }
.hub-hero h1 { font-size: clamp(26px, 4vw, 38px); line-height: 1.25; margin: 0 0 10px; letter-spacing: -0.035em; }
.hub-hero p { margin: 0; color: var(--ink-2); max-width: 60ch; }
.hub-section { max-width: 1240px; margin: 0 auto; padding: 8px 20px; }
.hub-section h2 { font-size: 15px; color: var(--ink-2); font-weight: 700; margin: 24px 0 10px; }
.tool-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.tool {
  display: grid; grid-template-columns: 56px 1fr; gap: 14px; align-items: start;
  padding: 16px; border: 1px solid var(--line); border-radius: var(--radius-m);
  background: var(--surface); color: var(--ink); text-decoration: none;
}
a.tool:hover { border-color: var(--brand); }
.tool .thumb {
  width: 56px; height: 56px; border-radius: var(--radius-s); background: var(--mat);
  display: grid; place-items: center;
}
.tool .thumb svg { width: 36px; height: 36px; }
.tool strong { display: block; font-size: 16px; margin-bottom: 2px; }
.tool span { font-size: 13.5px; color: var(--ink-2); }
.tool.soon { opacity: .55; }
.tool.soon strong::after { content: "준비 중"; font-size: 11px; font-weight: 600; margin-left: 6px; padding: 1px 6px; border-radius: 4px; background: var(--surface-2); color: var(--ink-2); vertical-align: 2px; }

/* ---------- 푸터 ---------- */
.site-footer { border-top: 1px solid var(--line); background: var(--surface); margin-top: 40px; }
.site-footer .inner { max-width: 1240px; margin: 0 auto; padding: 20px; font-size: 13px; color: var(--ink-2); display: flex; gap: 16px; flex-wrap: wrap; }
.site-footer a { color: var(--ink-2); }

/* ---------- 인쇄 안내 모달 / 토스트 ---------- */
dialog.print-guide {
  border: 0; border-radius: var(--radius-m); padding: 0; max-width: 440px; width: calc(100% - 32px);
  background: var(--surface); color: var(--ink); box-shadow: 0 20px 60px rgba(0,0,0,.35);
}
dialog.print-guide::backdrop { background: rgba(10,15,25,.55); }
.print-guide .pg-body { padding: 24px; }
.print-guide h2 { font-size: 19px; margin: 0 0 12px; }
.print-guide .scale-demo {
  display: flex; align-items: center; gap: 10px; padding: 12px; margin: 12px 0;
  border: 2px solid var(--mark); border-radius: var(--radius-s); background: color-mix(in srgb, var(--mark) 14%, transparent);
  font-weight: 700;
}
.print-guide ol { padding-left: 20px; margin: 0; font-size: 14px; }
.print-guide .pg-foot { padding: 0 24px 20px; display: flex; justify-content: flex-end; }
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
  background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: var(--radius-s);
  font-size: 14px; z-index: 1000; max-width: calc(100% - 32px);
}

/* ---------- 반응형 ---------- */
@media (max-width: 900px) {
  .workspace { grid-template-columns: 1fr; }
  .preview { position: static; order: -1; }
  .mat { padding: 16px; min-height: 0; }
  .tool-nav { margin-left: 0; width: 100%; overflow-x: auto; flex-wrap: nowrap; }
  .tool-nav a { white-space: nowrap; }
}

@media print {
  .site-header, .ad-wrap, .controls, .guide, .site-footer, .preview-bar, .mat-caption { display: none !important; }
  .mat { background: none; padding: 0; }
}

/* ---------- CMYK 로고 마크 (전 페이지 공통) ---------- */
.logo-cmyk { display: inline-flex; gap: 2px; }
.logo-cmyk i { display: block; width: 11px; height: 24px; }
.logo-cmyk i:nth-child(1) { background: #00a3d9; }
.logo-cmyk i:nth-child(2) { background: #e6007e; }
.logo-cmyk i:nth-child(3) { background: #ffd400; }
.logo-cmyk i:nth-child(4) { background: #000; }
@media (prefers-color-scheme: dark) { .logo-cmyk i:nth-child(4) { background: #f3f3f3; } }
.site-footer .logo-cmyk i { width: 9px; height: 14px; }
.site-footer .inner { align-items: center; }