:root{
  --bg:#0a0d12;
  --bg-soft:#0f141b;
  --panel:#121922;
  --panel-2:#0e151d;
  --border:#1e2731;
  --border-bright:#2a3744;
  --text:#e6edf3;
  --muted:#8a97a6;
  --muted-2:#5d6b7a;
  --accent:#4fd1c5;
  --accent-2:#5b8cff;
  --accent-glow:rgba(79,209,197,.18);
  --danger:#ff6b6b;
  --radius:14px;
  --radius-sm:9px;
  --maxw:1080px;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  position:relative;
  min-height:100vh;
}

/* faint grid backdrop */
.bg-grid{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:46px 46px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 30%,transparent 75%);
}
body::before{
  content:"";position:fixed;top:-200px;left:50%;transform:translateX(-50%);
  width:900px;height:500px;z-index:0;pointer-events:none;
  background:radial-gradient(closest-side,var(--accent-glow),transparent 70%);
  filter:blur(20px);
}

.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative;z-index:1}

a{color:inherit;text-decoration:none}

/* header */
.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(10px);
  background:rgba(10,13,18,.72);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-family:var(--mono);font-weight:700;font-size:1.05rem;letter-spacing:-.3px}
.brand-bracket{color:var(--accent)}
.brand-name{color:var(--text);margin:0 1px}
.site-nav{display:flex;gap:6px;flex-wrap:wrap}
.site-nav a{
  font-size:.92rem;color:var(--muted);padding:8px 14px;border-radius:999px;
  transition:color .15s,background .15s;
}
.site-nav a:hover{color:var(--text)}
.site-nav a.active{color:var(--accent);background:rgba(79,209,197,.08)}

/* hero */
.hero{padding:72px 0 40px;display:grid;grid-template-columns:1.4fr 1fr;gap:48px;align-items:center}
.hero-eyebrow{
  font-family:var(--mono);font-size:.8rem;color:var(--accent);
  letter-spacing:.5px;margin-bottom:18px;display:inline-flex;align-items:center;gap:8px;
}
.hero-eyebrow .blink{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);animation:blink 1.4s ease-in-out infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}
.hero h1{font-size:clamp(2.2rem,5vw,3.4rem);line-height:1.05;margin:0 0 16px;letter-spacing:-1.5px;font-weight:700}
.hero h1 .accent{background:linear-gradient(120deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .headline{font-family:var(--mono);color:var(--muted);font-size:1rem;margin-bottom:18px}
.hero .tagline{color:var(--muted);font-size:1.08rem;max-width:42ch;margin-bottom:28px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}

.avatar-wrap{justify-self:center}
.avatar{
  width:230px;height:230px;border-radius:24px;object-fit:cover;
  border:1px solid var(--border-bright);
  box-shadow:0 20px 60px rgba(0,0,0,.5), 0 0 0 6px rgba(79,209,197,.04);
}
.avatar-placeholder{
  width:230px;height:230px;border-radius:24px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:4rem;font-weight:700;color:var(--accent);
  background:linear-gradient(160deg,var(--panel),var(--panel-2));
  border:1px solid var(--border-bright);
}

/* buttons */
.btn{
  display:inline-flex;align-items:center;gap:8px;cursor:pointer;
  font-family:var(--mono);font-size:.9rem;font-weight:500;
  padding:11px 18px;border-radius:var(--radius-sm);border:1px solid var(--border-bright);
  background:var(--panel);color:var(--text);transition:all .15s;
}
.btn:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}
.btn-primary{background:var(--accent);color:#06231f;border-color:var(--accent);font-weight:700}
.btn-primary:hover{background:#5fe0d4;color:#06231f;box-shadow:0 8px 24px var(--accent-glow)}
.btn-danger{border-color:rgba(255,107,107,.4);color:var(--danger)}
.btn-danger:hover{border-color:var(--danger);color:var(--danger)}
.btn-sm{padding:7px 12px;font-size:.82rem}

/* section heads */
.section{padding:48px 0}
.section-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:24px;gap:16px;flex-wrap:wrap}
.section-head h2{font-size:1.5rem;margin:0;letter-spacing:-.5px;font-weight:700}
.section-head .label{font-family:var(--mono);color:var(--accent);font-size:.8rem;letter-spacing:.5px}
.section-head .more{font-family:var(--mono);font-size:.85rem;color:var(--muted)}
.section-head .more:hover{color:var(--accent)}
.divider{height:1px;background:linear-gradient(90deg,var(--border-bright),transparent);margin:0 0 8px}

/* cards grid */
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}

.card{
  background:linear-gradient(160deg,var(--panel),var(--panel-2));
  border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;transition:transform .18s,border-color .18s,box-shadow .18s;
  position:relative;overflow:hidden;display:flex;flex-direction:column;gap:10px;
}
.card:hover{transform:translateY(-3px);border-color:var(--border-bright);box-shadow:0 14px 40px rgba(0,0,0,.4)}
.card .meta{font-family:var(--mono);font-size:.76rem;color:var(--muted-2);display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.card h3{margin:0;font-size:1.12rem;letter-spacing:-.3px;line-height:1.3}
.card h3 a:hover{color:var(--accent)}
.card p{margin:0;color:var(--muted);font-size:.94rem}
.card .card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:6px}

.pill{
  font-family:var(--mono);font-size:.7rem;color:var(--accent);
  background:rgba(79,209,197,.08);border:1px solid rgba(79,209,197,.2);
  padding:3px 9px;border-radius:999px;
}
.tag{font-family:var(--mono);font-size:.72rem;color:var(--muted);border:1px solid var(--border);padding:2px 8px;border-radius:6px}

.paper-icon{
  width:38px;height:38px;border-radius:9px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:rgba(91,140,255,.1);border:1px solid rgba(91,140,255,.25);
  font-family:var(--mono);font-size:.66rem;font-weight:700;color:var(--accent-2);
}

/* project thumbnail */
.project-thumb{width:100%;height:150px;object-fit:cover;border-radius:9px;border:1px solid var(--border);margin-bottom:4px}

/* subscribe block */
.subscribe{
  margin:64px 0 8px;padding:40px;border-radius:var(--radius);
  background:linear-gradient(160deg,var(--panel),var(--panel-2));
  border:1px solid var(--border-bright);position:relative;overflow:hidden;
}
.subscribe::after{
  content:"";position:absolute;right:-80px;top:-80px;width:260px;height:260px;
  background:radial-gradient(closest-side,var(--accent-glow),transparent 70%);filter:blur(10px);pointer-events:none;
}
.subscribe-inner{display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:center;position:relative;z-index:1}
.subscribe .label{font-family:var(--mono);color:var(--accent);font-size:.8rem;letter-spacing:.5px}
.subscribe h2{margin:8px 0 6px;font-size:1.5rem;letter-spacing:-.5px}
.subscribe p{margin:0;color:var(--muted);font-size:.96rem}
.subscribe-form{display:flex;gap:10px;flex-wrap:wrap}
.subscribe-form input{
  flex:1;min-width:180px;background:var(--bg);border:1px solid var(--border-bright);
  border-radius:var(--radius-sm);color:var(--text);font-family:var(--sans);font-size:.95rem;padding:12px 14px;
}
.subscribe-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}
@media(max-width:760px){.subscribe-inner{grid-template-columns:1fr;gap:20px}.subscribe{padding:28px}}

/* empty state */
.empty{
  border:1px dashed var(--border-bright);border-radius:var(--radius);
  padding:48px 24px;text-align:center;color:var(--muted);
}
.empty .mono{font-family:var(--mono);color:var(--muted-2);font-size:.85rem}

/* article / single post */
.article{max-width:720px;margin:0 auto;padding:48px 0}
.article h1{font-size:clamp(1.8rem,4vw,2.6rem);line-height:1.1;letter-spacing:-1px;margin:0 0 12px}
.article .meta{font-family:var(--mono);color:var(--muted-2);font-size:.85rem;margin-bottom:32px}
.article .body{font-size:1.08rem;color:#cdd6df}
.article .body p{margin:0 0 1.2em}
.back-link{font-family:var(--mono);font-size:.85rem;color:var(--muted)}
.back-link:hover{color:var(--accent)}

/* about */
.prose{max-width:720px;color:#cdd6df;font-size:1.06rem}
.prose p{margin:0 0 1.1em;white-space:pre-line}
.info-row{display:flex;gap:10px;font-family:var(--mono);font-size:.9rem;color:var(--muted);margin:6px 0}
.info-row .k{color:var(--accent);min-width:90px}

/* page intro */
.page-head{padding:56px 0 8px}
.page-head .label{font-family:var(--mono);color:var(--accent);font-size:.82rem;letter-spacing:.5px}
.page-head h1{font-size:clamp(2rem,4vw,2.8rem);margin:10px 0 8px;letter-spacing:-1px}
.page-head p{color:var(--muted);max-width:55ch;margin:0}

/* footer */
.site-footer{border-top:1px solid var(--border);margin-top:64px;padding:32px 0;background:var(--bg-soft)}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-links{display:flex;gap:18px;flex-wrap:wrap}
.footer-links a{font-family:var(--mono);font-size:.85rem;color:var(--muted)}
.footer-links a:hover{color:var(--accent)}
.footer-meta{font-family:var(--mono);font-size:.8rem;color:var(--muted-2);display:flex;align-items:center;gap:8px}
.footer-meta .dot{opacity:.5}
.footer-admin:hover{color:var(--accent)}

/* flash messages */
.flash{padding:12px 16px;border-radius:var(--radius-sm);font-size:.92rem;margin-bottom:18px;border:1px solid}
.flash-ok{background:rgba(79,209,197,.08);border-color:rgba(79,209,197,.3);color:var(--accent)}
.flash-err{background:rgba(255,107,107,.08);border-color:rgba(255,107,107,.3);color:var(--danger)}

/* ---------------- admin ---------------- */
.admin-body{background:var(--bg)}
.admin-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh;position:relative;z-index:1}
.admin-side{
  border-right:1px solid var(--border);background:var(--bg-soft);
  padding:24px 18px;display:flex;flex-direction:column;gap:6px;position:sticky;top:0;height:100vh;
}
.admin-side .logo{font-family:var(--mono);font-weight:700;margin-bottom:18px;font-size:1rem}
.admin-side .logo .accent{color:var(--accent)}
.admin-side a{
  font-family:var(--mono);font-size:.9rem;color:var(--muted);padding:10px 14px;border-radius:var(--radius-sm);
  display:flex;align-items:center;gap:10px;transition:all .14s;
}
.admin-side a:hover{color:var(--text);background:var(--panel)}
.admin-side a.active{color:var(--accent);background:rgba(79,209,197,.08)}
.admin-side .spacer{flex:1}
.admin-side .view-site{color:var(--muted-2)}
.admin-main{padding:32px 36px;max-width:920px}
.admin-main h1{font-size:1.6rem;margin:0 0 4px;letter-spacing:-.5px}
.admin-main .sub{color:var(--muted);margin:0 0 28px;font-size:.95rem}

.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:32px}
.stat{background:linear-gradient(160deg,var(--panel),var(--panel-2));border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.stat .num{font-family:var(--mono);font-size:2rem;font-weight:700;color:var(--accent)}
.stat .lbl{color:var(--muted);font-size:.85rem;font-family:var(--mono)}

.panel{background:linear-gradient(160deg,var(--panel),var(--panel-2));border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin-bottom:24px}
.panel h2{font-size:1.1rem;margin:0 0 16px;letter-spacing:-.3px}

.field{margin-bottom:16px}
.field label{display:block;font-family:var(--mono);font-size:.8rem;color:var(--muted);margin-bottom:6px}
.field input[type=text],.field input[type=email],.field input[type=password],.field input[type=url],.field textarea,.field select{
  width:100%;background:var(--bg);border:1px solid var(--border-bright);border-radius:var(--radius-sm);
  color:var(--text);font-family:var(--sans);font-size:.95rem;padding:11px 13px;transition:border-color .15s;
}
.field textarea{font-family:var(--sans);min-height:140px;resize:vertical;line-height:1.6}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}
.field .hint{font-family:var(--mono);font-size:.74rem;color:var(--muted-2);margin-top:6px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}

input[type=file]{
  width:100%;background:var(--bg);border:1px dashed var(--border-bright);border-radius:var(--radius-sm);
  color:var(--muted);font-family:var(--mono);font-size:.85rem;padding:16px;cursor:pointer;
}
input[type=file]::file-selector-button{
  background:var(--panel);color:var(--accent);border:1px solid var(--border-bright);
  border-radius:6px;padding:7px 12px;margin-right:12px;cursor:pointer;font-family:var(--mono);
}

.table{width:100%;border-collapse:collapse}
.table th{text-align:left;font-family:var(--mono);font-size:.76rem;color:var(--muted-2);font-weight:500;padding:10px 12px;border-bottom:1px solid var(--border)}
.table td{padding:14px 12px;border-bottom:1px solid var(--border);font-size:.92rem;vertical-align:middle}
.table tr:last-child td{border-bottom:none}
.table .t-title{font-weight:600}
.table .t-meta{font-family:var(--mono);font-size:.78rem;color:var(--muted-2)}
.table .actions{display:flex;gap:8px;justify-content:flex-end}

.form-actions{display:flex;gap:12px;align-items:center;margin-top:8px}

/* login / setup centered card */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;position:relative;z-index:1}
.auth-card{width:100%;max-width:400px;background:linear-gradient(160deg,var(--panel),var(--panel-2));border:1px solid var(--border-bright);border-radius:var(--radius);padding:36px}
.auth-card .logo{font-family:var(--mono);font-weight:700;font-size:1.2rem;text-align:center;margin-bottom:6px}
.auth-card .logo .accent{color:var(--accent)}
.auth-card .sub{text-align:center;color:var(--muted);font-family:var(--mono);font-size:.82rem;margin-bottom:26px}

/* responsive */
@media(max-width:880px){
  .hero{grid-template-columns:1fr;gap:32px;padding:48px 0 24px;text-align:left}
  .avatar-wrap{justify-self:start}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .admin-shell{grid-template-columns:1fr}
  .admin-side{position:static;height:auto;flex-direction:row;flex-wrap:wrap;align-items:center}
  .admin-side .spacer{display:none}
  .admin-side a{padding:8px 11px}
  .admin-main{padding:24px 20px}
}
@media(max-width:620px){
  .grid-2,.grid-3{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .header-inner{flex-direction:column;height:auto;padding:12px 0;gap:8px}
  .avatar,.avatar-placeholder{width:160px;height:160px}
}