:root {
  --ink: #050505;
  --panel: #111317;
  --panel-2: #181b21;
  --paper: #f3f6f8;
  --muted: #9ca6b2;
  --line: #2b3038;
  --cyan: #55d8ff;
  --green: #66d69d;
  --amber: #ffb84d;
  --red: #ff6b6b;
  --violet: #aa8cff;
}

* { box-sizing: border-box; }
html { color-scheme: dark; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--paper);
  background:
    linear-gradient(rgba(85,216,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(85,216,255,.035) 1px, transparent 1px),
    radial-gradient(circle at 90% 0%, rgba(85,216,255,.11), transparent 28rem),
    var(--ink);
  background-size: 42px 42px, 42px 42px, auto, auto;
  font: 16px/1.55 "Aptos", "Segoe UI", sans-serif;
}

a { color: var(--cyan); }
code, pre, .eyebrow, .brand, .warning-ribbon, label, th, .chip {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.warning-ribbon {
  padding: .55rem 1rem;
  color: #1d1300;
  background: var(--amber);
  text-align: center;
  font-size: .74rem;
  font-weight: 900;
  letter-spacing: .08em;
}

.site-header {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--line);
}

.brand { color: var(--paper); text-decoration: none; font-size: 1.3rem; font-weight: 900; letter-spacing: .08em; }
.brand span { color: var(--cyan); }
.brand small { display: block; color: var(--muted); font-size: .58rem; letter-spacing: .16em; }
nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .35rem; }
nav a { padding: .45rem .65rem; color: var(--muted); text-decoration: none; font-size: .82rem; border: 1px solid transparent; }
nav a:hover, nav a:focus { color: var(--paper); border-color: var(--line); background: var(--panel); }
.nav-toggle { display: none; }

.page-shell { width: min(1180px, calc(100% - 2rem)); margin: 0 auto; padding: 3.2rem 0 5rem; }
.hero { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr); gap: 2rem; align-items: end; margin-bottom: 2.5rem; }
.eyebrow { color: var(--cyan); font-size: .78rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
h1, h2, h3 { margin: 0; font-family: Georgia, "Times New Roman", serif; line-height: 1.05; }
h1 { max-width: 900px; font-size: clamp(2.7rem, 7vw, 6.6rem); letter-spacing: -.055em; }
h2 { font-size: clamp(2rem, 4vw, 3.6rem); letter-spacing: -.035em; }
h3 { font-size: 1.45rem; }
.lead { max-width: 800px; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.35rem); }
.hero-note { padding: 1.4rem; border-left: 3px solid var(--amber); background: rgba(17,19,23,.84); color: var(--muted); }

.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card, .panel, form, .code-card, table { background: rgba(17,19,23,.92); border: 1px solid var(--line); }
.card { position: relative; min-height: 230px; padding: 1.45rem; text-decoration: none; color: var(--paper); overflow: hidden; }
.card::after { content: "↗"; position: absolute; right: 1rem; top: .75rem; color: var(--cyan); font-size: 1.4rem; }
.card:hover { transform: translateY(-3px); border-color: var(--cyan); }
.card p, .panel p { color: var(--muted); }
.chip { display: inline-block; margin-bottom: 1rem; color: var(--ink); background: var(--cyan); padding: .2rem .45rem; font-size: .68rem; font-weight: 900; }
.chip.red { background: var(--red); }
.chip.amber { background: var(--amber); }
.chip.green { background: var(--green); }
.chip.violet { background: var(--violet); }

.panel, form { padding: clamp(1rem, 3vw, 2rem); margin: 1rem 0; }
.attack-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin: 2rem 0; background: var(--line); border: 1px solid var(--line); }
.attack-strip > div { padding: 1.25rem; background: var(--panel); }
.attack-strip strong { display: block; margin-bottom: .5rem; color: var(--cyan); }
.attack-strip p { margin: 0; color: var(--muted); }

label { display: block; margin: 1rem 0 .35rem; color: var(--muted); font-size: .78rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
input, textarea, select, button {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0;
  padding: .82rem .9rem;
  color: var(--paper);
  background: #090a0c;
  font: inherit;
}
textarea { min-height: 120px; resize: vertical; }
button, .button { display: inline-flex; width: auto; align-items: center; justify-content: center; margin-top: 1rem; padding: .75rem 1rem; color: var(--ink); background: var(--cyan); border-color: var(--cyan); font-weight: 900; text-decoration: none; cursor: pointer; }
.button.secondary, button.secondary { color: var(--paper); background: transparent; border-color: var(--line); }
.button.danger, button.danger { color: var(--ink); background: var(--red); border-color: var(--red); }
.notice { margin: 1rem 0; padding: 1rem 1.2rem; color: var(--paper); background: rgba(255,184,77,.1); border-left: 4px solid var(--amber); }
.success { border-left-color: var(--green); background: rgba(102,214,157,.1); }
.danger-box { border-left-color: var(--red); background: rgba(255,107,107,.1); }

.code-card { margin: 1rem 0; padding: 1rem; }
pre { margin: .75rem 0 0; padding: 1rem; overflow-x: auto; color: #d8f8ff; background: #050607; border-left: 3px solid var(--violet); white-space: pre-wrap; overflow-wrap: anywhere; }
.code-card button { font-size: .8rem; }
.query { color: var(--amber); }

.table-wrap { overflow-x: auto; margin: 1rem 0; }
table { width: 100%; border-collapse: collapse; font-size: .88rem; }
th, td { padding: .7rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); overflow-wrap: anywhere; }
th { color: var(--cyan); font-size: .72rem; letter-spacing: .05em; }
td { color: var(--muted); }
.post { margin: 1rem 0; padding: 1rem; background: var(--panel); border-left: 3px solid var(--violet); }
.post strong { color: var(--paper); }
.hidden { display: none !important; }
.site-footer { padding: 1.2rem; color: var(--muted); background: #030303; border-top: 1px solid var(--line); text-align: center; font-size: .78rem; }

@media (max-width: 860px) {
  .hero, .grid, .grid.two, .attack-strip { grid-template-columns: 1fr; }
  .site-header { min-height: 72px; flex-wrap: wrap; padding: .8rem 0; }
  .nav-toggle { display: block; width: auto; margin: 0; color: var(--paper); background: transparent; }
  nav { display: none; width: 100%; padding: .5rem 0; }
  nav.open { display: grid; grid-template-columns: repeat(2, 1fr); }
  nav a { min-height: 46px; display: flex; align-items: center; border-color: var(--line); }
  .page-shell { padding-top: 2rem; }
  h1 { font-size: clamp(2.7rem, 14vw, 4.8rem); }
  table { min-width: 720px; }
  .card { min-height: 0; }
  button, .button { min-height: 48px; }
  form button { width: 100%; }
  .code-card button { width: 100%; }
}

@media (max-width: 520px) {
  .warning-ribbon { padding: .5rem .65rem; font-size: .65rem; letter-spacing: .045em; }
  .site-header, .page-shell { width: calc(100% - 1rem); }
  .site-header { gap: .6rem; }
  .brand { font-size: 1.08rem; }
  nav.open { grid-template-columns: 1fr; }
  nav a { padding: .65rem .75rem; font-size: .9rem; }
  .page-shell { padding-top: 1.35rem; padding-bottom: 3rem; }
  .hero { gap: 1rem; margin-bottom: 1.5rem; }
  h1 { font-size: clamp(2.25rem, 13vw, 3.4rem); overflow-wrap: anywhere; }
  h2 { font-size: 2rem; }
  .panel, form, .card, .code-card { padding: 1rem; }
  input, textarea, select { font-size: 16px; }
}