/* api9 core design tokens + base — shared across surfaces (acid-lime/blueprint). */
:root{
  --bg:#07080b; --surface:#0f1218; --surface-2:#0a0c10; --line:#1a1e27; --line-b:#2b3441;
  --ink:#eef1f6; --dim:#9aa6b8; --faint:#6a7486;   /* dim/faint nudged up for WCAG AA legibility */
  --accent:#ccff4e; --accent-deep:#a6e017; --amber:#ffb454; --rose:#ff6b81; --cyan:#74e0ff;
  /* semantic aliases — status meaning, decoupled from raw hue */
  --ok:var(--accent); --warn:var(--amber); --danger:var(--rose); --info:var(--cyan);
  --focus:#74e0ff;                                 /* keyboard focus ring, distinct from accent */
  --grid:rgba(255,255,255,.022); --rad:6px; --rad-lg:12px;
  /* spacing rhythm — 4px base step */
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px; --sp-7:48px;
  --display:"Syne",sans-serif; --sans:"Archivo",ui-sans-serif,system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
body{margin:0;color:var(--ink);font-family:var(--sans);font-size:14px;line-height:1.6;
  -webkit-font-smoothing:antialiased;letter-spacing:-.006em;min-height:100vh;
  background:radial-gradient(820px 520px at 92% -12%,rgba(204,255,78,.11),transparent 62%),
    radial-gradient(680px 420px at 4% 110%,rgba(116,224,255,.06),transparent 60%),var(--bg)}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:46px 46px;mask-image:radial-gradient(1100px 700px at 70% 0,#000,transparent 90%)}
.shell{position:relative;z-index:1;max-width:1240px;margin:0 auto;padding:0 24px 70px}
a{color:var(--accent);text-decoration:none} code,.mono{font-family:var(--mono)}
::selection{background:rgba(204,255,78,.28);color:#06070b}
::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:#161b24;border-radius:2px}
input,textarea,select{background:var(--surface-2);border:1px solid var(--line-b);color:var(--ink);
  border-radius:var(--rad);padding:10px 12px;font-family:var(--sans);font-size:14px;outline:none;transition:border-color .15s,box-shadow .15s}
input:focus,textarea:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(204,255,78,.16)}
button{font-family:var(--sans);cursor:pointer;border:0;border-radius:var(--rad);font-weight:600;font-size:13px;padding:10px 16px;transition:transform .08s,box-shadow .18s}
button:not(.ghost){background:var(--accent);color:#08090c;box-shadow:0 0 0 1px rgba(204,255,78,.5),0 8px 26px -10px rgba(204,255,78,.6)}
button:not(.ghost):hover{transform:translateY(-1px)} button:disabled{opacity:.5;cursor:not-allowed}
button.ghost{background:transparent;border:1px solid var(--line-b);color:var(--dim)}
button.ghost:hover{color:var(--ink);border-color:var(--accent)}
.muted{color:var(--faint)} .err{color:var(--rose)}
/* shared header */
.aim-hd{display:flex;align-items:center;gap:14px;padding:18px 0;position:sticky;top:0;z-index:20;background:linear-gradient(180deg,var(--bg) 70%,transparent)}
.aim-glyph{width:34px;height:34px;border-radius:6px;display:grid;place-items:center;font-weight:800;background:var(--accent);color:#08090c;font-family:var(--display);box-shadow:0 0 22px rgba(204,255,78,.5)}
.aim-name{font-family:var(--display);font-weight:800;font-size:19px;line-height:1}.aim-name em{font-style:normal;color:var(--accent)}
.aim-tag{font-family:var(--mono);font-size:9.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--faint);margin-top:3px}
.aim-nav{margin-left:auto;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.aim-nav a,.aim-nav input{font-family:var(--mono);font-size:12px;color:var(--dim);padding:9px 12px;border:1px solid var(--line-b);border-radius:var(--rad)}
.aim-nav a:hover{color:var(--ink);border-color:var(--accent)}
/* toast */
.aim-toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%) translateY(20px);opacity:0;
  background:var(--surface);border:1px solid var(--line-b);color:var(--ink);padding:11px 18px;border-radius:var(--rad);
  font-family:var(--mono);font-size:12px;z-index:90;box-shadow:0 20px 60px -20px rgba(0,0,0,.9);transition:all .2s;pointer-events:none}
.aim-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.spin{display:inline-block;width:13px;height:13px;border:2px solid var(--line-b);border-top-color:var(--accent);border-radius:50%;animation:aimsp .7s linear infinite;vertical-align:middle}
@keyframes aimsp{to{transform:rotate(360deg)}}

/* ── accessibility: keyboard focus ─────────────────────────────────────── */
/* Every interactive element gets a visible, high-contrast focus ring when
   reached via keyboard. Mouse clicks stay clean thanks to :focus-visible. */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,
select:focus-visible,[tabindex]:focus-visible,summary:focus-visible{
  outline:2px solid var(--focus);outline-offset:2px;border-radius:var(--rad)}
button:focus-visible{outline-offset:3px}
:focus:not(:focus-visible){outline:none}
/* skip-to-content link — first tab stop */
.skip-link{position:absolute;left:12px;top:-48px;z-index:200;background:var(--accent);color:#08090c;
  font-family:var(--mono);font-size:12px;font-weight:700;padding:9px 14px;border-radius:var(--rad);
  transition:top .16s}
.skip-link:focus{top:12px}
/* screen-reader-only, still announced */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ── shared utilities ──────────────────────────────────────────────────── */
.nums{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
h1,h2,h3,[id]{scroll-margin-top:84px}
.badge-ok{color:var(--ok)} .badge-warn{color:var(--warn)} .badge-bad{color:var(--danger)}

/* ── motion preference ─────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important}
}