:root{
  --brand:#0f9d73; --brand-dark:#0a7a59; --ink:#0f172a; --muted:#64748b;
  --bg:#f6faf9; --card:#ffffff; --line:#e2ece9; --radius:18px;
  --c-country:#2563eb; --c-state:#7c3aed; --c-city:#db2777;
}
*{-webkit-tap-highlight-color:transparent}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--ink);}
h1,h2,h3,.display{font-family:'Playfair Display',Georgia,serif;font-weight:700;letter-spacing:-.01em}
a{color:var(--brand-dark)}
.btn-brand{background:linear-gradient(135deg,#12b886,#0b8f69);border:0;color:#fff;font-weight:600;border-radius:14px;padding:.75rem 1.4rem;box-shadow:0 8px 20px -8px rgba(15,157,115,.6)}
.btn-brand:hover{color:#fff;filter:brightness(1.05)}
.btn-outline-brand{border:1.5px solid var(--brand);color:var(--brand-dark);border-radius:12px;font-weight:600;background:#fff}
.btn-outline-brand:hover{background:var(--brand);color:#fff}

/* Navbar */
.site-nav{background:rgba(255,255,255,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-nav .navbar-brand{font-family:'Playfair Display',serif;font-weight:800;color:var(--ink)}
.site-nav .brand-dot{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#12b886,#0b8f69);color:#fff;margin-right:.5rem}

/* Hero */
.hero{background:radial-gradient(1200px 400px at 10% -10%,#d3f5e9 0,transparent 60%),radial-gradient(900px 400px at 100% 0,#dbe8ff 0,transparent 55%),#f6faf9;padding:3.5rem 0 2.5rem;border-bottom:1px solid var(--line)}
.hero h1{font-size:clamp(2rem,6vw,3.4rem);line-height:1.1}
.hero p.lead{color:var(--muted);max-width:640px}
.stat-pill{background:#fff;border:1px solid var(--line);border-radius:999px;padding:.4rem .9rem;font-size:.85rem;font-weight:600}

/* Filters */
.filter-bar{position:sticky;top:0;z-index:20;background:rgba(246,250,249,.92);backdrop-filter:blur(8px);padding:.8rem 0;border-bottom:1px solid var(--line)}
.chip{display:inline-block;padding:.45rem 1rem;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink);text-decoration:none;font-weight:600;font-size:.88rem;white-space:nowrap}
.chip.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.chips{display:flex;gap:.5rem;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
.chips::-webkit-scrollbar{display:none}

/* Cards */
.blog-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;height:100%;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s;text-decoration:none;color:inherit}
.blog-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px -18px rgba(15,23,42,.25);color:inherit}
.blog-card .thumb{aspect-ratio:16/10;object-fit:cover;width:100%;background:#e6efec}
.blog-card .body{padding:1.1rem 1.2rem 1.3rem;display:flex;flex-direction:column;gap:.5rem;flex:1}
.blog-card h3{font-size:1.2rem;margin:0}
.blog-card .sum{color:var(--muted);font-size:.92rem;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.blog-card .meta{margin-top:auto;font-size:.8rem;color:var(--muted)}
.lvl{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:.25rem .6rem;border-radius:999px;align-self:flex-start}
.badge-country{background:#e6efff;color:var(--c-country)}
.badge-state{background:#efe7ff;color:var(--c-state)}
.badge-city{background:#ffe6f2;color:var(--c-city)}

/* Article */
.article-hero img{width:100%;max-height:420px;object-fit:cover;border-radius:var(--radius)}
.article-wrap{max-width:820px;margin:auto}
.summary-box{background:#ecfaf5;border-left:4px solid var(--brand);border-radius:12px;padding:1rem 1.2rem}
.sec-body{white-space:pre-line;line-height:1.8}
.toc a{display:block;padding:.35rem 0;text-decoration:none;color:var(--muted);font-weight:500}
.toc a:hover{color:var(--brand-dark)}
.accordion-item{border:1px solid var(--line)!important;border-radius:14px!important;overflow:hidden;margin-bottom:.6rem}
.accordion-button:not(.collapsed){background:#ecfaf5;color:var(--brand-dark)}
.qa-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:1rem 1.1rem}

/* Footer */
.site-footer{background:#0f172a;color:#cbd5e1;margin-top:4rem;padding:2.5rem 0}
.site-footer a{color:#94e3c8}

/* ---------- Admin ---------- */
.admin-body{background:linear-gradient(160deg,#e7f6f1,#e8effd)}
.admin-hero{background:linear-gradient(135deg,#dff3ee,#e1ebfb);border:1px solid #cfe5df;border-radius:28px;padding:1.6rem 1rem 2rem;text-align:center}
.admin-hero h1{font-size:clamp(1.6rem,5vw,2.8rem)}
.admin-chip{display:inline-flex;gap:.4rem;align-items:center;background:#bfeadc;color:#0a7a59;font-weight:700;border-radius:999px;padding:.4rem 1rem}
.stat-card{background:#fff;border-radius:18px;padding:1rem;text-align:center;box-shadow:0 8px 24px -16px rgba(15,23,42,.3);height:100%}
.stat-card small{font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);font-size:.7rem}
.stat-card .num{font-size:2.3rem;font-weight:800;line-height:1.1}
.admin-tabs{display:flex;gap:.6rem;overflow-x:auto;padding:.3rem .1rem;scrollbar-width:none}
.admin-tabs::-webkit-scrollbar{display:none}
.admin-tabs a{white-space:nowrap;text-decoration:none;padding:.7rem 1.1rem;border-radius:14px;background:#fff;border:1px solid var(--line);color:var(--ink);font-weight:600}
.admin-tabs a.active{background:linear-gradient(135deg,#12b886,#0b8f69);color:#fff;border-color:transparent}
.panel{background:#fff;border-radius:24px;padding:1.2rem;box-shadow:0 20px 50px -30px rgba(15,23,42,.35);border:1px solid #edf3f1}
@media(min-width:768px){.panel{padding:2rem 2.2rem}}
.panel .form-label{font-weight:700}
.panel .form-control,.panel .form-select{background:#f7faf9;border:1px solid var(--line);border-radius:12px;padding:.8rem 1rem}
.panel .form-control:focus,.panel .form-select:focus{border-color:var(--brand);box-shadow:0 0 0 .2rem rgba(15,157,115,.15);background:#fff}
.repeat-box{border:1px solid #cfe9df;background:#f2fbf8;border-radius:20px;padding:1rem}
.repeat-box.faq{border-color:#d3e3fb;background:#f3f7ff}
.repeat-box .item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:1rem;margin-bottom:1rem}
.repeat-title{font-weight:700;color:var(--brand-dark)}
.faq .repeat-title{color:#2563eb}
.file-drop{border:1px solid var(--line);border-radius:20px;padding:1.1rem}
.preview-box{width:180px;height:120px;border:2px solid var(--brand);border-radius:16px;overflow:hidden;background:#fff;display:grid;place-items:center}
.preview-box img{width:100%;height:100%;object-fit:cover}
.login-card{max-width:420px;margin:8vh auto;background:#fff;border-radius:26px;padding:2rem;box-shadow:0 30px 70px -30px rgba(15,23,42,.45)}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace}
textarea.mono{font-size:.92rem}