/* ============================================================
   소상공인 지식창고 — 공개 블로그 프론트 (에디토리얼 / 모바일 퍼스트 / 라이트·다크)
   base.css(관리자) 위에 얹혀 공개 페이지만 재정의한다.
   ============================================================ */
:root{
  --pb-bg:#ffffff; --pb-bg-soft:#f7f8fb; --pb-card:#ffffff;
  --pb-ink:#141a22; --pb-ink-soft:#3d4653; --pb-muted:#6b7480;
  --pb-line:#e7e9ee; --pb-line-soft:#eef0f4;
  --pb-brand:#0d9488; --pb-brand-ink:#0b7d72; --pb-brand-wash:#effcf9;
  --pb-shadow:0 1px 2px rgba(16,24,40,.04),0 6px 20px rgba(16,24,40,.05);
  --pb-radius:14px;
  --pb-read:70ch; /* 본문 가독폭(65~75자) */
}
@media (prefers-color-scheme: dark){
  :root{
    --pb-bg:#0e1116; --pb-bg-soft:#151a21; --pb-card:#161b22;
    --pb-ink:#e9edf2; --pb-ink-soft:#c3cbd6; --pb-muted:#8b95a3;
    --pb-line:#232a33; --pb-line-soft:#1c222a;
    --pb-brand:#2dd4bf; --pb-brand-ink:#5eead4; --pb-brand-wash:#10201e;
    --pb-shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.35);
  }
}

body{background:var(--pb-bg);color:var(--pb-ink)}
.pub-wrap{max-width:1120px;margin:0 auto;padding:0 20px}

/* -------- Header -------- */
.pub-header{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--pb-bg) 88%,transparent);
  backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--pb-line)}
.pub-header-inner{display:flex;align-items:center;gap:16px;height:64px}
.pub-logo{font-size:19px;font-weight:800;color:var(--pb-ink);text-decoration:none;white-space:nowrap;letter-spacing:-.01em}
.pub-logo span{color:var(--pb-brand)}
.pub-logo:hover{text-decoration:none}
.pub-nav{margin-left:auto;display:flex;align-items:center;gap:6px}
.pub-nav a{color:var(--pb-ink-soft);font-weight:600;font-size:15px;padding:8px 12px;border-radius:9px;text-decoration:none;white-space:nowrap}
.pub-nav a:hover{background:var(--pb-bg-soft);color:var(--pb-ink);text-decoration:none}
.pub-nav a.active{color:var(--pb-brand-ink);background:var(--pb-brand-wash)}
.pub-search{display:flex;align-items:center;margin-left:6px;background:var(--pb-bg-soft);
  border:1px solid var(--pb-line);border-radius:999px;overflow:hidden}
.pub-search input{border:0;background:transparent;padding:8px 12px;font-size:14px;color:var(--pb-ink);width:150px;font-family:inherit;outline:none}
.pub-search button{border:0;background:transparent;color:var(--pb-muted);padding:0 12px 0 4px;cursor:pointer;display:flex;align-items:center}
.pub-search button:hover{color:var(--pb-brand)}
.pub-nav-toggle{display:none;margin-left:auto;background:none;border:0;color:var(--pb-ink);cursor:pointer;padding:6px}

/* -------- Hero (home) -------- */
.pub-hero{background:linear-gradient(180deg,var(--pb-brand-wash),transparent);border-bottom:1px solid var(--pb-line-soft)}
.pub-hero-inner{padding:56px 0 44px;text-align:center;max-width:760px;margin:0 auto}
.pub-hero h1{font-size:38px;line-height:1.2;margin:0 0 14px;font-weight:850;letter-spacing:-.02em;color:var(--pb-ink);text-wrap:balance}
.pub-hero p{font-size:17px;color:var(--pb-ink-soft);margin:0 auto;max-width:600px;line-height:1.6}
.pub-hero .pub-hero-tag{display:inline-block;font-size:13px;font-weight:700;color:var(--pb-brand-ink);
  background:var(--pb-card);border:1px solid var(--pb-line);padding:6px 14px;border-radius:999px;margin-bottom:18px}

/* -------- Section heading -------- */
.pub-sec{padding:44px 0}
.pub-sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin:0 0 22px;flex-wrap:wrap}
.pub-sec-head h2{font-size:22px;font-weight:800;margin:0;letter-spacing:-.01em}
.pub-sec-head a{font-size:14px;font-weight:600;color:var(--pb-muted)}

/* -------- Category chips -------- */
.pub-chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 8px}
.pub-chip{font-size:14px;font-weight:600;color:var(--pb-ink-soft);background:var(--pb-card);
  border:1px solid var(--pb-line);padding:7px 15px;border-radius:999px;text-decoration:none}
.pub-chip:hover{border-color:var(--pb-brand);color:var(--pb-brand-ink);text-decoration:none}
.pub-chip.active{background:var(--pb-brand);border-color:var(--pb-brand);color:#fff}

/* -------- Post grid -------- */
.pub-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pub-card{display:flex;flex-direction:column;background:var(--pb-card);border:1px solid var(--pb-line);
  border-radius:var(--pb-radius);overflow:hidden;text-decoration:none;transition:.18s;min-width:0}
.pub-card:hover{transform:translateY(-3px);box-shadow:var(--pb-shadow);border-color:color-mix(in srgb,var(--pb-brand) 40%,var(--pb-line));text-decoration:none}
.pub-card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.pub-card-cat{font-size:12px;font-weight:700;color:var(--pb-brand-ink);text-transform:uppercase;letter-spacing:.03em}
.pub-card h3{font-size:18px;font-weight:750;line-height:1.4;margin:0;color:var(--pb-ink);letter-spacing:-.01em;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pub-card p{font-size:14.5px;color:var(--pb-muted);line-height:1.6;margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.pub-card-meta{margin-top:auto;padding-top:8px;font-size:12.5px;color:var(--pb-muted)}

.pub-card.feat{grid-column:span 3;flex-direction:row;align-items:stretch}
.pub-card.feat .pub-card-body{padding:32px;justify-content:center;gap:14px}
.pub-card.feat h3{font-size:26px;-webkit-line-clamp:3}
.pub-card.feat p{font-size:16px;-webkit-line-clamp:3}
.pub-card.feat .pub-feat-side{flex:0 0 40%;background:linear-gradient(135deg,var(--pb-brand-wash),var(--pb-bg-soft));
  display:flex;align-items:center;justify-content:center;font-size:64px}

/* -------- Empty state -------- */
.pub-empty{text-align:center;padding:72px 24px;color:var(--pb-muted);border:1px dashed var(--pb-line);
  border-radius:var(--pb-radius);background:var(--pb-bg-soft)}
.pub-empty .ico{font-size:44px;display:block;margin-bottom:14px}
.pub-empty h3{font-size:20px;color:var(--pb-ink);margin:0 0 8px;font-weight:750}
.pub-empty p{margin:0;font-size:15px}

/* -------- Article (post detail) -------- */
.pub-article{padding:40px 0 64px}
.pub-breadcrumb{font-size:13px;color:var(--pb-muted);margin:0 0 18px;display:flex;gap:6px;flex-wrap:wrap}
.pub-breadcrumb a{color:var(--pb-muted)}
.pub-breadcrumb a:hover{color:var(--pb-brand-ink)}
.pub-article-head{max-width:var(--pb-read);margin:0 auto 30px}
.pub-article-cat{font-size:13px;font-weight:700;color:var(--pb-brand-ink)}
.pub-article-head h1{font-size:34px;line-height:1.28;font-weight:850;letter-spacing:-.02em;margin:10px 0 16px;text-wrap:balance}
.pub-article-sum{font-size:18px;color:var(--pb-ink-soft);line-height:1.6;margin:0 0 18px}
.pub-article-meta{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--pb-muted);
  padding-top:16px;border-top:1px solid var(--pb-line)}
.pub-author{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--pb-ink-soft)}
.pub-author .avatar{width:30px;height:30px;border-radius:50%;background:var(--pb-brand-wash);color:var(--pb-brand-ink);
  display:flex;align-items:center;justify-content:center;font-size:15px}

.pub-body{max-width:var(--pb-read);margin:0 auto;font-size:17.5px;line-height:1.85;color:var(--pb-ink)}
.pub-body h2{font-size:24px;font-weight:800;margin:2em 0 .6em;letter-spacing:-.01em;line-height:1.35}
.pub-body h3{font-size:20px;font-weight:750;margin:1.6em 0 .5em}
.pub-body p{margin:0 0 1.15em}
.pub-body ul,.pub-body ol{margin:0 0 1.15em;padding-left:1.4em}
.pub-body li{margin:.4em 0}
.pub-body a{color:var(--pb-brand-ink);text-decoration:underline;text-underline-offset:2px}
.pub-body blockquote{margin:1.5em 0;padding:2px 20px;border-left:3px solid var(--pb-brand);
  color:var(--pb-ink-soft);background:var(--pb-brand-wash);border-radius:0 8px 8px 0}
.pub-body img{max-width:100%;height:auto;border-radius:10px}
.pub-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15.5px}
.pub-body th,.pub-body td{border:1px solid var(--pb-line);padding:9px 12px;text-align:left}
.pub-body th{background:var(--pb-bg-soft);font-weight:700}
.pub-body code{background:var(--pb-bg-soft);padding:2px 6px;border-radius:5px;font-size:.9em}
.pub-body hr{border:0;border-top:1px solid var(--pb-line);margin:2em 0}

/* -------- FAQ / Refs / related -------- */
.pub-section{max-width:var(--pb-read);margin:44px auto 0}
.pub-section > h2{font-size:22px;font-weight:800;margin:0 0 16px;letter-spacing:-.01em}
.pub-faq{border:1px solid var(--pb-line);border-radius:var(--pb-radius);overflow:hidden;background:var(--pb-card)}
.pub-faq details{border-bottom:1px solid var(--pb-line-soft)}
.pub-faq details:last-child{border-bottom:0}
.pub-faq summary{cursor:pointer;padding:16px 18px;font-weight:700;font-size:16px;color:var(--pb-ink);list-style:none;
  display:flex;justify-content:space-between;gap:12px;align-items:center}
.pub-faq summary::-webkit-details-marker{display:none}
.pub-faq summary::after{content:'+';color:var(--pb-brand);font-size:20px;font-weight:700;transition:.2s}
.pub-faq details[open] summary::after{transform:rotate(45deg)}
.pub-faq .faq-a{padding:0 18px 18px;color:var(--pb-ink-soft);font-size:15.5px;line-height:1.7}
.pub-refs{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}
.pub-refs li{padding-left:20px;position:relative;font-size:15px;line-height:1.5}
.pub-refs li::before{content:'🔗';position:absolute;left:0;top:1px;font-size:12px}
.pub-refs a{color:var(--pb-brand-ink)}

.pub-related{border-top:1px solid var(--pb-line);margin-top:56px;padding-top:36px}

/* -------- Ad slots -------- */
.pub-ad{margin:32px auto;max-width:var(--pb-read);min-height:90px;display:flex;align-items:center;justify-content:center;
  background:var(--pb-bg-soft);border:1px dashed var(--pb-line);border-radius:10px;color:var(--pb-muted);font-size:12px}
.pub-ad ins{display:block;width:100%}

/* -------- Static pages (about/privacy/contact) -------- */
.pub-page{max-width:820px;margin:0 auto;padding:44px 20px 64px}
.pub-page h1{font-size:32px;font-weight:850;letter-spacing:-.02em;margin:0 0 8px;text-wrap:balance}
.pub-page .lead{font-size:17px;color:var(--pb-ink-soft);margin:0 0 28px;line-height:1.6}
.pub-prose{font-size:16.5px;line-height:1.8;color:var(--pb-ink)}
.pub-prose h2{font-size:22px;font-weight:800;margin:1.8em 0 .5em}
.pub-prose h3{font-size:18px;font-weight:750;margin:1.4em 0 .4em}
.pub-prose p{margin:0 0 1.1em}
.pub-prose ul,.pub-prose ol{margin:0 0 1.1em;padding-left:1.4em}
.pub-prose li{margin:.35em 0}
.pub-prose a{color:var(--pb-brand-ink);text-decoration:underline}
.pub-prose table{width:100%;border-collapse:collapse;margin:1.2em 0;font-size:15px}
.pub-prose th,.pub-prose td{border:1px solid var(--pb-line);padding:9px 12px;text-align:left;vertical-align:top}
.pub-prose th{background:var(--pb-bg-soft);font-weight:700;white-space:nowrap}
.pub-callout{background:var(--pb-brand-wash);border:1px solid color-mix(in srgb,var(--pb-brand) 30%,var(--pb-line));
  border-radius:12px;padding:18px 20px;margin:24px 0}
.pub-callout strong{color:var(--pb-brand-ink)}

/* -------- Contact form -------- */
.pub-contact-card{background:var(--pb-card);border:1px solid var(--pb-line);border-radius:var(--pb-radius);padding:26px;box-shadow:var(--pb-shadow)}
.pub-field{margin-bottom:16px}
.pub-field label{display:block;font-weight:700;font-size:14px;margin-bottom:6px;color:var(--pb-ink-soft)}
.pub-field input,.pub-field textarea{width:100%;border:1px solid var(--pb-line);border-radius:10px;padding:11px 13px;
  font-size:15px;font-family:inherit;background:var(--pb-bg);color:var(--pb-ink)}
.pub-field input:focus,.pub-field textarea:focus{outline:none;border-color:var(--pb-brand);box-shadow:0 0 0 3px var(--pb-brand-wash)}
.pub-field textarea{min-height:130px;resize:vertical}
.pub-btn{display:inline-flex;align-items:center;gap:8px;background:var(--pb-brand);color:#fff;border:0;border-radius:10px;
  padding:12px 22px;font-size:15px;font-weight:700;cursor:pointer;text-decoration:none;font-family:inherit}
.pub-btn:hover{background:var(--pb-brand-ink);color:#fff;text-decoration:none}
.pub-btn-ghost{background:var(--pb-card);color:var(--pb-ink);border:1px solid var(--pb-line)}
.pub-btn-ghost:hover{background:var(--pb-bg-soft);color:var(--pb-ink)}
.pub-contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start}
.pub-contact-info{font-size:15.5px;line-height:1.9;color:var(--pb-ink-soft)}
.pub-contact-info a{color:var(--pb-brand-ink);font-weight:600}

/* -------- Pager -------- */
.pub-pager{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:40px}
.pub-pager .pg{font-size:14px;color:var(--pb-muted)}

/* -------- Responsive -------- */
@media (max-width:900px){
  .pub-grid{grid-template-columns:repeat(2,1fr)}
  .pub-card.feat{grid-column:span 2}
}
@media (max-width:680px){
  .pub-nav-toggle{display:block}
  .pub-nav{position:absolute;top:64px;left:0;right:0;margin:0;flex-direction:column;align-items:stretch;gap:2px;
    background:var(--pb-bg);border-bottom:1px solid var(--pb-line);padding:10px 16px 16px;display:none;box-shadow:var(--pb-shadow)}
  .pub-nav.open{display:flex}
  .pub-search{margin:8px 0 0;width:100%}
  .pub-search input{width:100%;flex:1}
  .pub-hero h1{font-size:29px}
  .pub-hero-inner{padding:40px 0 32px}
  .pub-grid{grid-template-columns:1fr}
  .pub-card.feat{grid-column:span 1;flex-direction:column}
  .pub-card.feat .pub-feat-side{flex:0 0 140px;font-size:52px}
  .pub-card.feat .pub-card-body{padding:22px}
  .pub-card.feat h3{font-size:22px}
  .pub-article-head h1{font-size:27px}
  .pub-body{font-size:17px}
  .pub-contact-grid{grid-template-columns:1fr}
}