/* ============================================================
   10Q Challenge — upgraded UI
   Brand kept from the .NET app: primary #ff4667, indigo #392c7d.
   Type: Plus Jakarta Sans (display) + Inter (body).
   ============================================================ */
:root{
  --pink:#ff4667; --pink-600:#ec2f52; --indigo:#392c7d; --indigo-700:#2b2160;
  --ink:#1a1830; --muted:#6b6a80; --line:#eae8f2; --bg:#faf9fd; --card:#fff;
  --ok:#03c95a; --warn:#ffc107;
  --radius:16px; --shadow:0 10px 40px -18px rgba(57,44,125,.35);
  --maxw:1140px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:Inter,system-ui,Segoe UI,Roboto,sans-serif;
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,.display{font-family:"Plus Jakarta Sans",Inter,sans-serif;line-height:1.15;letter-spacing:-.02em;margin:0 0 .5em}
a{color:var(--indigo);text-decoration:none}
a:hover{color:var(--pink)}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* motion respects reduced-motion */
@media (prefers-reduced-motion:no-preference){
  a,button,.btn,.card{transition:.18s ease}
}
button:active,.btn:active,a[role=button]:active{transform:scale(.97)}
:focus-visible{outline:2px solid var(--pink);outline-offset:2px}

/* ---------- header ---------- */
.site-head{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;gap:28px;height:66px}
.brand{font-family:"Plus Jakarta Sans";font-weight:800;font-size:20px;color:var(--indigo);letter-spacing:-.03em}
.brand b{color:var(--pink)}
.nav{display:flex;gap:22px;margin-left:auto;align-items:center}
.nav a{color:var(--ink);font-weight:500;font-size:15px}
.nav a:hover{color:var(--pink)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;
  padding:11px 20px;border-radius:12px;border:1px solid transparent;cursor:pointer;background:var(--indigo);color:#fff}
.btn:hover{background:var(--indigo-700);color:#fff}
.btn-pink{background:var(--pink)}.btn-pink:hover{background:var(--pink-600);color:#fff}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--pink);color:var(--pink)}
.btn-sm{padding:7px 13px;font-size:13.5px;border-radius:9px}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;
  background:radial-gradient(1100px 460px at 82% -8%,rgba(255,70,103,.18),transparent 60%),
             linear-gradient(160deg,var(--indigo) 0%,var(--indigo-700) 55%,#1c1650 100%);
  color:#fff}
.hero .wrap{padding:74px 20px 84px}
.hero .eyebrow{display:inline-block;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  color:#fff;padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;margin-bottom:20px}
.hero h1{font-size:clamp(32px,5vw,52px);font-weight:800;max-width:16ch;color:#fff}
.hero h1 .hl{color:#ffcf5c}
.hero p{max-width:56ch;color:#d9d5f0;font-size:18px;margin:18px 0 30px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- sections ---------- */
.section{padding:64px 0}
.section h2{font-size:clamp(24px,3.4vw,34px);font-weight:800}
.section .lead{color:var(--muted);max-width:60ch;margin-top:6px}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:30px;flex-wrap:wrap}

/* ---------- blog grid ---------- */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
@media(max-width:900px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.grid-3{grid-template-columns:1fr}.nav{display:none}}

.post-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.post-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.post-card .thumb{aspect-ratio:16/9;background:linear-gradient(135deg,#efe9ff,#ffe4ea);object-fit:cover;width:100%}
.post-card .body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.tag{align-self:flex-start;font-size:12px;font-weight:700;color:var(--pink);background:#ffe9ee;padding:4px 10px;border-radius:7px;text-transform:uppercase;letter-spacing:.04em}
.post-card h3{font-size:18.5px;font-weight:700}
.post-card p{color:var(--muted);font-size:14.5px;margin:0}
.post-card .meta{margin-top:auto;font-size:13px;color:var(--muted);display:flex;gap:8px;align-items:center}

/* ---------- article ---------- */
.article{background:#fff;max-width:760px;margin:0 auto;padding:40px 0 60px}
.article .cover{border-radius:var(--radius);width:100%;aspect-ratio:16/8;object-fit:cover;margin:22px 0 30px}
.article h1{font-size:clamp(28px,4vw,40px);font-weight:800}
.article .content{font-size:17.5px;line-height:1.8}
.article .content h2{margin-top:1.6em;font-size:26px}
.article .content h3{margin-top:1.4em;font-size:21px}
.article .content img{border-radius:12px;margin:1.4em 0}
.article .content p{margin:1em 0}
.crumbs{font-size:14px;color:var(--muted)}

/* ---------- footer ---------- */
.site-foot{background:var(--indigo-700);color:#cfc9ea;margin-top:60px}
.site-foot .wrap{padding:48px 20px;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}
@media(max-width:720px){.site-foot .wrap{grid-template-columns:1fr}}
.site-foot h4{color:#fff;font-size:15px;text-transform:uppercase;letter-spacing:.06em}
.site-foot a{color:#cfc9ea;display:block;margin:7px 0}
.site-foot a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);text-align:center;padding:18px;font-size:13.5px;color:#a49dce}

/* ---------- flash ---------- */
.flash{padding:12px 16px;border-radius:11px;margin:16px 0;font-weight:500;font-size:14.5px}
.flash.success{background:#e6faf0;color:#0a7c42;border:1px solid #bff0d6}
.flash.error{background:#fdeaea;color:#b41e1e;border:1px solid #f6c9c9}

/* ============ ADMIN ============ */
.admin{display:flex;min-height:100vh;background:#f4f3fa}
.side{width:240px;background:var(--indigo-700);color:#e7e3fb;padding:22px 0;position:sticky;top:0;height:100vh}
.side .logo{font-family:"Plus Jakarta Sans";font-weight:800;font-size:19px;color:#fff;padding:0 22px 20px}
.side a{display:block;color:#c8c2ec;padding:11px 22px;font-weight:500;font-size:14.5px;border-left:3px solid transparent}
.side a:hover,.side a.on{background:rgba(255,255,255,.08);color:#fff;border-left-color:var(--pink)}
.admin-main{flex:1;min-width:0}
.admin-top{background:#fff;border-bottom:1px solid var(--line);padding:16px 26px;display:flex;align-items:center;justify-content:space-between}
.admin-top h1{font-size:19px;margin:0}
.admin-body{padding:26px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:26px}
@media(max-width:900px){.stat-grid{grid-template-columns:repeat(2,1fr)}}
.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}
.stat .n{font-family:"Plus Jakarta Sans";font-weight:800;font-size:30px;color:var(--indigo)}
.stat .l{color:var(--muted);font-size:14px;margin-top:2px}

.panel{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.panel-head{padding:16px 20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.panel-head h2{margin:0;font-size:17px}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:13px 20px;border-bottom:1px solid var(--line);font-size:14.5px;vertical-align:middle}
th{background:#faf9fd;color:var(--muted);font-weight:600;font-size:12.5px;text-transform:uppercase;letter-spacing:.04em}
tr:last-child td{border-bottom:0}
.badge{font-size:12px;font-weight:700;padding:3px 9px;border-radius:6px}
.badge.on{background:#e6faf0;color:#0a7c42}.badge.off{background:#f1eef8;color:#6b6a80}

/* forms */
.form-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px;max-width:900px}
.field{margin-bottom:18px}
.field label{display:block;font-weight:600;font-size:14px;margin-bottom:6px}
.field input,.field textarea,.field select{
  width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;font:inherit;background:#fff;color:var(--ink)}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--pink);outline:none}
.field textarea{min-height:120px;resize:vertical}
.field .hint{color:var(--muted);font-size:12.5px;margin-top:5px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:640px){.row2{grid-template-columns:1fr}}

/* login */
.login-wrap{min-height:100vh;display:grid;place-items:center;background:
  radial-gradient(800px 400px at 20% 0%,rgba(255,70,103,.14),transparent),
  linear-gradient(160deg,#2b2160,#1c1650)}
.login-card{background:#fff;border-radius:18px;padding:34px;width:360px;box-shadow:var(--shadow)}
.login-card h1{font-size:22px;margin-bottom:4px}
.login-card p{color:var(--muted);font-size:14px;margin-bottom:22px}