:root {
  color-scheme: dark;
  --bg: #0c1118;
  --panel: #111923;
  --paper: #151f2b;
  --line: #2a3544;
  --ink: #f4f7fb;
  --muted: #a7b2c2;
  --accent: #6ea2ff;
  --success: #48c78e;
  --danger: #ff7777;
  --max: 920px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.65 Inter, system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
.container { width: min(var(--max), calc(100% - 32px)); margin: auto; }
header { position: sticky; top: 0; z-index: 10; border-bottom: 1px solid var(--line); background: rgba(12, 17, 24, .94); backdrop-filter: blur(14px); }
nav { min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 760; text-decoration: none; }
.mark { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 7px; color: var(--accent); background: var(--panel); font-weight: 850; }
.navlinks, .footerlinks { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; color: var(--muted); font-size: 14px; }
main { padding: 56px 0 76px; }
.document { max-width: 820px; }
.eyebrow { margin: 0 0 8px; color: var(--accent); font-size: 12px; font-weight: 760; text-transform: uppercase; }
h1 { margin: 0 0 12px; font-size: clamp(32px, 5vw, 48px); line-height: 1.1; letter-spacing: 0; }
h2 { margin: 34px 0 8px; font-size: 20px; letter-spacing: 0; }
h3 { margin: 22px 0 6px; font-size: 16px; }
p, li { color: var(--muted); }
p { margin: 0 0 12px; }
ul, ol { margin: 8px 0 16px; padding-left: 22px; }
.meta, .note { color: var(--muted); }
.note { margin: 24px 0; padding: 14px 16px; border-left: 3px solid var(--accent); background: var(--panel); }
.form-panel { margin-top: 28px; border: 1px solid var(--line); border-radius: 8px; padding: 22px; background: var(--panel); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
label { display: grid; gap: 6px; color: var(--muted); font-size: 13px; font-weight: 680; }
label.full { grid-column: 1 / -1; }
input, select, textarea { width: 100%; min-height: 44px; border: 1px solid var(--line); border-radius: 7px; padding: 10px 12px; background: var(--bg); color: var(--ink); outline: none; }
textarea { min-height: 96px; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(110, 162, 255, .14); }
.button { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 7px; padding: 0 16px; background: var(--paper); color: var(--ink); text-decoration: none; font-weight: 720; cursor: pointer; }
.button.primary { border-color: var(--accent); background: var(--accent); color: #07101f; }
.button.danger { border-color: var(--danger); background: var(--danger); color: #160606; }
.button:disabled { opacity: .5; cursor: wait; }
.status { display: none; margin-top: 16px; padding: 13px 14px; border-left: 3px solid var(--accent); background: var(--bg); white-space: pre-wrap; }
.status.show { display: block; }
.status.error { border-color: var(--danger); color: #ffc2c2; }
.status.success { border-color: var(--success); color: #b9f1d5; }
.auth { margin-bottom: 18px; }
.hidden { display: none !important; }
footer { border-top: 1px solid var(--line); color: var(--muted); }
footer .container { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } label.full { grid-column: auto; } nav, footer .container { align-items: flex-start; flex-direction: column; justify-content: center; padding: 14px 0; } }