:root{
  --bg:#0b0f14;
  --panel:#101826;
  --panel2:#0f1520;
  --text:#e6edf3;
  --muted:#9fb0c0;
  --brand:#4fd1c5;
  --brand2:#a78bfa;
  --border:rgba(255,255,255,.10);
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --radius:16px;
  --max: 1120px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--sans);
  background: var(--bg);
  color:var(--text);
  line-height:1.6;
}

body::before{
  content:"";
  position:fixed;
  inset:-200px;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(1200px 600px at 20% 0%, rgba(79,209,197,.12), transparent 60%),
    radial-gradient(900px 600px at 80% 20%, rgba(167,139,250,.12), transparent 55%);
  transform: translateZ(0);
}


a{color:inherit; text-decoration:none}
a:hover{ text-decoration:underline }
img{max-width:100%}

.container{max-width:var(--max); margin:0 auto; padding:24px}
.nav{
  position:sticky; top:0; z-index:50;
  background: rgba(11,15,20,.72);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--border);
}
.nav-inner{display:flex; align-items:center; justify-content:space-between; gap:16px}
.brand{display:flex; align-items:center; gap:10px; font-weight:700; letter-spacing:.3px}
.logo{
  width:36px; height:36px; border-radius:12px;
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  box-shadow: var(--shadow);
  display:grid; place-items:center;
}
.logo svg{filter: drop-shadow(0 8px 16px rgba(0,0,0,.35))}
.nav-links{display:flex; align-items:center; gap:14px; flex-wrap:wrap}
.nav-links a{padding:8px 10px; border-radius:10px; color:var(--muted)}
.nav-links a.active, .nav-links a:hover{background:rgba(255,255,255,.06); color:var(--text); text-decoration:none}

.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:10px 14px; border-radius:12px;
  border:1px solid var(--border);
  background:rgba(255,255,255,.06);
  color:var(--text);
  cursor:pointer;
}
.btn:hover{background:rgba(255,255,255,.10); text-decoration:none}
.btn-primary{
  border-color: rgba(79,209,197,.35);
  background: linear-gradient(135deg, rgba(79,209,197,.18), rgba(167,139,250,.16));
}
.btn-primary:hover{background: linear-gradient(135deg, rgba(79,209,197,.24), rgba(167,139,250,.22));}

.hero{
  padding:48px 0 28px;
  display:grid;
  gap:18px;
}
.kicker{color:var(--brand); font-weight:700; letter-spacing:.12em; text-transform:uppercase; font-size:12px}
.h1{font-size: clamp(32px, 4vw, 52px); line-height:1.1; margin:0}
.sub{color:var(--muted); font-size: clamp(16px, 1.5vw, 18px); max-width: 70ch}
.hero-actions{display:flex; gap:12px; flex-wrap:wrap; margin-top:8px}

.grid{display:grid; gap:16px}
.grid.cols-3{grid-template-columns: repeat(3, minmax(0,1fr))}
.grid.cols-2{grid-template-columns: repeat(2, minmax(0,1fr))}
@media (max-width: 900px){ .grid.cols-3{grid-template-columns:1fr} .grid.cols-2{grid-template-columns:1fr} }

.card{
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border:1px solid var(--border);
  border-radius: var(--radius);
  padding:16px;
  box-shadow: var(--shadow);
}
.card h3{margin:0 0 8px; font-size:18px}
.card p{margin:0; color:var(--muted)}
.pills{display:flex; flex-wrap:wrap; gap:8px; margin-top:12px}
.pill{
  font-size:12px; color:var(--muted);
  padding:6px 10px; border-radius:999px; border:1px solid var(--border);
  background:rgba(255,255,255,.04);
}
.section-title{display:flex; align-items:end; justify-content:space-between; gap:16px; margin-top:26px}
.section-title h2{margin:0; font-size:22px}
.section-title .hint{color:var(--muted); font-size:14px}

.searchbar{
  display:flex; gap:10px; flex-wrap:wrap; align-items:center;
  margin:16px 0 0;
}
.input{
  flex:1 1 320px;
  padding:12px 12px;
  border-radius:12px;
  background: rgba(255,255,255,.05);
  border:1px solid var(--border);
  color:var(--text);
  outline:none;
}
.input::placeholder{color: rgba(159,176,192,.75)}
.select{
  padding:12px 12px;
  border-radius:12px;
  background: rgba(255,255,255,.05);
  border:1px solid var(--border);
  color:var(--text);
  outline:none;
}

.post-meta{display:flex; gap:10px; flex-wrap:wrap; color:var(--muted); font-size:13px; margin:10px 0 16px}
hr.sep{border:0; border-top:1px solid var(--border); margin:18px 0}
.prose{max-width: 80ch}
.prose h1{font-size:34px; margin:0 0 10px; line-height:1.15}
.prose h2{margin:24px 0 10px}
.prose h3{margin:18px 0 8px}
.prose p{margin:0 0 12px; color:var(--text)}
.prose ul{margin:0 0 12px 18px; color:var(--text)}
.prose li{margin:6px 0}
.prose .note{
  border-left: 3px solid rgba(79,209,197,.6);
  background: rgba(79,209,197,.08);
  padding:12px 14px;
  border-radius:12px;
  color:var(--text);
}
.prose .warn{
  border-left: 3px solid rgba(245,158,11,.8);
  background: rgba(245,158,11,.10);
  padding:12px 14px;
  border-radius:12px;
  color:var(--text);
}
.refs a{color:var(--brand); text-decoration:none}
.refs a:hover{text-decoration:underline}
.footer{
  margin-top:38px;
  padding:26px 0;
  border-top:1px solid var(--border);
  color:var(--muted);
  background: rgba(11,15,20,.55);
  backdrop-filter: blur(8px);
}

.footer-grid{display:grid; gap:16px; grid-template-columns: 2fr 1fr 1fr}
@media (max-width: 900px){ .footer-grid{grid-template-columns:1fr} }
small{color:var(--muted)}
code, pre{font-family:var(--mono)}
pre{
  background: rgba(255,255,255,.04);
  border:1px solid var(--border);
  border-radius: 14px;
  padding:12px;
  overflow:auto;
}

.badge{
  display:inline-flex; align-items:center; gap:8px;
  padding:8px 10px; border-radius:12px;
  border:1px solid var(--border);
  background: rgba(255,255,255,.04);
  color: var(--muted);
  font-size:13px;
}

/* === TeethSmith responsive patch v1 === */
:root {
  --navHeight: 72px;
}

html { -webkit-text-size-adjust: 100%; }

.container {
  padding-left: max(16px, env(safe-area-inset-left));
  padding-right: max(16px, env(safe-area-inset-right));
}

.nav-inner {
  min-height: var(--navHeight);
}

.nav-links a {
  font-size: 14px;
}

.hero {
  padding: 44px 0 22px;
}

.h1 {
  letter-spacing: -0.02em;
}

.sub {
  line-height: 1.7;
}

.card {
  padding: 18px;
}

.pills {
  gap: 8px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.prose {
  font-size: 16px;
}

.prose h1 {
  letter-spacing: -0.02em;
}

.prose img {
  border-radius: 14px;
  border: 1px solid var(--border);
}

@media (max-width: 980px) {
  .nav-inner {
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
  }
  .nav-links {
    width: 100%;
    justify-content: flex-start;
    gap: 10px;
  }
  .nav .btn-primary {
    display: none;
  }
}

@media (max-width: 520px) {
  :root {
    --radius: 14px;
  }
  .container {
    padding: 16px;
  }
  .logo {
    width: 34px;
    height: 34px;
    border-radius: 12px;
  }
  .brand span:last-child {
    font-size: 16px;
  }
  .nav-links a {
    padding: 8px 9px;
    font-size: 13px;
  }
  .hero {
    padding: 28px 0 16px;
    gap: 14px;
  }
  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
  .grid {
    gap: 14px;
  }
  .card {
    padding: 16px;
  }
  .section-title {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
    margin-top: 22px;
  }
  .section-title h2 {
    font-size: 20px;
  }
  .searchbar {
    gap: 10px;
  }
  .input, .select {
    width: 100%;
  }
  .footer-grid {
    gap: 22px;
  }
}
/* === end patch === */