:root{
  /* Gritty MILSIM vibe (default: dark) */
  --bg:#07090a;
  --panel:#0e1111;
  --text:#e6e8e3;
  --muted:#a7ad9c;
  --border:rgba(230,232,227,.10);
  --link:#a9c97c;
  --accent:#d9b46a;
  --bg-shade-1: rgba(0,0,0,.45);
  --bg-shade-2: rgba(0,0,0,.85);
  --bg-glow-1: rgba(120,140,80,.18);
  --bg-glow-2: rgba(210,170,90,.12);
  --grid-line: rgba(255,255,255,.02);
  --grit-a: rgba(255,255,255,.015);
  --grit-b: rgba(0,0,0,.18);
  --grit-opacity: .30;
  --shadow:0 14px 36px rgba(0,0,0,.55);
  --radius:14px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

:root[data-theme="light"]{
  /* Light mode stays utilitarian (paper + khaki accents) */
  --bg:#f2f1ea;
  --panel:#ffffff;
  --text:#141513;
  --muted:#5f655b;
  --border:rgba(20,21,19,.12);
  --link:#3e6b2f;
  --accent:#7b5b23;
  --bg-shade-1: rgba(255,255,255,.55);
  --bg-shade-2: rgba(255,255,255,.78);
  --bg-glow-1: rgba(80,110,60,.10);
  --bg-glow-2: rgba(160,120,50,.08);
  --grid-line: rgba(0,0,0,.04);
  --grit-a: rgba(0,0,0,.03);
  --grit-b: rgba(255,255,255,.22);
  --grit-opacity: .14;
  --shadow:0 12px 35px rgba(0,0,0,.10);
}

*{ box-sizing:border-box; }
html,body{ min-height:100%; }
body{
  margin:0;
  font-family:var(--sans);
  position:relative;
  background: var(--bg);
  color:var(--text);
  line-height:1.55;
}

body::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    linear-gradient(180deg, var(--bg-shade-1), var(--bg-shade-2)),
    radial-gradient(1000px 620px at 12% -10%, var(--bg-glow-1), transparent 60%),
    radial-gradient(900px 520px at 110% 0%, var(--bg-glow-2), transparent 55%),
    repeating-linear-gradient(0deg, var(--grid-line) 0, var(--grid-line) 1px, transparent 1px, transparent 4px);
}

body::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  z-index:0;
  opacity:var(--grit-opacity);
  background:
    repeating-linear-gradient(0deg, var(--grit-a) 0, var(--grit-a) 1px, transparent 1px, transparent 6px),
    repeating-linear-gradient(90deg, var(--grit-b) 0, var(--grit-b) 1px, transparent 1px, transparent 5px);
  mix-blend-mode:overlay;
}

body > *{ position:relative; z-index:1; }

::selection{
  background: color-mix(in srgb, var(--accent) 70%, transparent);
  color: var(--text);
}

a{ color:var(--link); text-decoration:none; }
a:hover{ text-decoration:underline; }
a:focus-visible, button:focus-visible, input:focus-visible{
  outline:2px solid color-mix(in srgb, var(--accent) 68%, transparent);
  outline-offset:2px;
}

.container{
  width:min(980px, 92vw);
  margin:0 auto;
}

.site-header{
  position:sticky;
  top:0;
  z-index:20;
  background:color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--border);
  box-shadow: 0 10px 24px rgba(0,0,0,.25);
}

.header-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 0;
  gap:12px;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  letter-spacing:.2px;
  color:var(--text);
}
.brand:hover{ text-decoration:none; }
.brand-mark{
  width:32px; height:32px;
  display:grid; place-items:center;
  border:1px solid var(--border);
  border-radius:10px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--panel) 85%, transparent), color-mix(in srgb, var(--bg) 90%, #000));
  box-shadow: var(--shadow);
}
.brand-text{ font-size:16px; }

.nav{
  display:flex;
  align-items:center;
  gap:14px;
}
.nav a{
  color:var(--muted);
  font-weight:600;
}
.nav a.active{ color:var(--text); }
.theme-btn{
  border:1px solid var(--border);
  background:color-mix(in srgb, var(--panel) 88%, transparent);
  color:var(--text);
  border-radius:999px;
  padding:8px 12px;
  font-weight:700;
  cursor:pointer;
}
.theme-btn:hover{ filter:brightness(1.05); }

.hero{
  padding:28px 0 10px;
}
.hero h1{
  margin:10px 0 10px;
  font-size: clamp(28px, 4vw, 42px);
  letter-spacing:-.6px;
}
.hero p{ margin:0 0 12px; color:var(--muted); max-width:70ch; }
.hero-meta{ display:flex; gap:8px; flex-wrap:wrap; }

.pill{
  border:1px solid var(--border);
  border-radius:999px;
  padding:6px 10px;
  background:color-mix(in srgb, var(--panel) 88%, transparent);
  color:var(--muted);
  font-weight:700;
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:.08em;
}

.controls{
  margin:16px 0 26px;
}
.search{
  width:100%;
  padding:12px 14px;
  border-radius:12px;
  border:1px solid var(--border);
  background:color-mix(in srgb, var(--panel) 92%, transparent);
  color:var(--text);
  outline:none;
  font-size:14px;
}
.hint{ margin-top:8px; color:var(--muted); font-size:12px; }

.section-title{
  margin:0 0 14px;
  font-size:18px;
  letter-spacing:.2px;
  text-transform:uppercase;
  letter-spacing:.12em;
}

.post-list{
  display:grid;
  grid-template-columns: 1fr;
  gap:14px;
}

.card{
  background: linear-gradient(180deg, color-mix(in srgb, var(--panel) 94%, transparent), var(--panel));
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:16px;
  box-shadow: var(--shadow);
}

.post h3{
  margin:0 0 6px;
  font-size:18px;
}
.post .meta{
  color:var(--muted);
  font-size:12px;
  display:flex;
  align-items:center;
  gap:8px;
}
.dot{ opacity:.7; }
.post-image{ 
  width:100%; 
  height:auto; 
  border-radius:12px; 
  margin:10px 0; 
  object-fit:cover;
}
.excerpt{ margin:10px 0 12px; color:var(--muted); }

.tags{ display:flex; flex-wrap:wrap; gap:8px; }
.tag{
  font-size:12px;
  color:var(--muted);
  border:1px solid var(--border);
  padding:5px 8px;
  border-radius:999px;
  background:color-mix(in srgb, var(--panel) 88%, transparent);
  text-transform:uppercase;
  letter-spacing:.06em;
}

#about{ 
  margin-top:50px;
}
.about h2{ margin:0 0 8px; }
.muted{ color:var(--muted); }

.footer{
  padding:28px 0 40px;
  text-align:center;
  color:var(--muted);
  font-size:12px;
}

/* Post page */
.post-header{
  padding:26px 0 12px;
}
.breadcrumb{
  color:var(--muted);
  font-size:12px;
}
.breadcrumb a{ color:var(--muted); }
.post-title{
  margin:10px 0 6px;
  font-size: clamp(26px, 3.6vw, 40px);
  letter-spacing:-.6px;
}
.post-meta{
  color:var(--muted);
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  font-size:12px;
}
.content{
  padding:18px;
}
.content p{ margin:0 0 14px; }
.content h2{ margin:22px 0 10px; }
.content h3{ margin:18px 0 8px; }
.content ul{ margin:0 0 14px 18px; color:var(--text); }
.content li{ margin:6px 0; }

pre{
  background: color-mix(in srgb, var(--bg) 72%, #000);
  border:1px solid var(--border);
  border-radius:12px;
  padding:12px;
  overflow:auto;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.02);
}
code, pre{ font-family: var(--mono); font-size: 13px; }
.inline-code{
  font-family: var(--mono);
  font-size: 13px;
  padding:2px 6px;
  border-radius:8px;
  border:1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 70%, transparent);
}
blockquote{
  margin:16px 0;
  padding:12px 14px;
  border-left:4px solid color-mix(in srgb, var(--accent) 55%, transparent);
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  border-radius:12px;
  color:var(--muted);
}