/* Токены — копия frontend/src/index.css (:root и .dark); своих оттенков нет. */
:root {
  --background: oklch(0.99 0 0);
  --foreground: oklch(0.15 0.01 260);
  --card: oklch(0.99 0 0);
  --primary: oklch(0.7 0.17 55);
  --primary-foreground: oklch(0.15 0.01 260);
  --muted: oklch(0.95 0.01 260);
  --muted-foreground: oklch(0.52 0.02 260);
  --accent: oklch(0.95 0.01 260);
  --border: oklch(0.9 0.01 260);
  --input: oklch(0.9 0.01 260);
  --ring: oklch(0.55 0.19 55);
  --accent-fg: oklch(0.55 0.19 55);
  --page: oklch(0.97 0.005 260);
  --color-success: oklch(0.5 0.15 155);
  --color-warn: oklch(0.55 0.15 75);
  --color-danger: oklch(0.55 0.2 25);
  --pos: oklch(0.7 0.16 155);
  --warn: oklch(0.75 0.15 75);
  --neg: oklch(0.6 0.2 25);
  --neu: oklch(0.55 0.02 260);
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "JetBrains Mono", "SF Mono", Menlo, monospace;
  --font-logo: "Manrope", "Inter", system-ui, sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: oklch(0.12 0.015 260);
    --foreground: oklch(0.93 0.01 260);
    --card: oklch(0.2 0.025 260);
    --primary-foreground: oklch(0.12 0.015 260);
    --muted: oklch(0.25 0.02 260);
    --muted-foreground: oklch(0.65 0.02 260);
    --accent: oklch(0.25 0.02 260);
    --border: oklch(0.28 0.02 260);
    --input: oklch(0.28 0.02 260);
    --ring: oklch(0.7 0.17 55);
    --accent-fg: oklch(0.7 0.17 55);
    --page: var(--background);
    --color-success: oklch(0.7 0.15 155);
    --color-warn: oklch(0.75 0.15 85);
    --color-danger: oklch(0.7 0.18 25);
    --pos: oklch(0.72 0.16 155);
    --warn: oklch(0.78 0.15 75);
    --neg: oklch(0.65 0.2 25);
    --neu: oklch(0.6 0.02 260);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; border-color: var(--border); }
body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font-sans);
  background: var(--page);
  color: var(--foreground);
  -webkit-font-smoothing: antialiased;
}
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

.head { display: flex; align-items: center; gap: 10px; max-width: 64rem; margin: 0 auto; padding: 20px 16px 16px; }
.logo { font: 800 22px/1 var(--font-logo); letter-spacing: -0.02em; }
.logo-accent { color: var(--accent-fg); }
.sep { width: 1px; height: 20px; background: var(--border); }
.head-note { font-size: 14px; font-weight: 500; color: var(--muted-foreground); }

.status { position: sticky; top: 0; z-index: 10; background: var(--card); border-block: 1px solid var(--border); }
.status-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 16px; max-width: 64rem; margin: 0 auto; padding: 12px 16px; }
@media (min-width: 640px) { .status-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.cell { min-width: 0; }
.cell dt { font-size: 12px; color: var(--muted-foreground); }
.cell dd { margin: 2px 0 0; font-size: 14px; font-weight: 500; overflow-wrap: anywhere; }
.cell dd.sub { font-size: 12px; font-weight: 400; color: var(--muted-foreground); }
.ok { color: var(--color-success); }
.warn { color: var(--color-warn); }
.bad { color: var(--color-danger); }

.main { display: grid; gap: 16px; max-width: 64rem; margin: 0 auto; padding: 16px; }
@media (min-width: 1024px) { .main { grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); align-items: start; gap: 24px; padding-top: 24px; } }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 20px; box-shadow: 0 1px 2px 0 oklch(0 0 0 / 0.05); }
@media (min-width: 640px) { .card { padding: 24px; } }
h1 { margin: 0; font: 700 22px/1.2 var(--font-logo); letter-spacing: -0.01em; outline: none; }
h2 { margin: 0 0 8px; font-size: 14px; font-weight: 600; }
.text { margin: 12px 0 0; font-size: 15px; line-height: 1.55; color: var(--muted-foreground); }
.note p { margin: 8px 0 0; font-size: 12px; line-height: 1.55; color: var(--muted-foreground); }

.progress { position: relative; height: 8px; margin-top: 20px; overflow: hidden; border-radius: 999px; background: color-mix(in oklch, var(--primary) 20%, transparent); }
.progress[hidden] { display: none; }
.progress > i { display: block; width: 40%; height: 100%; background: var(--primary); animation: indet 1.3s ease-in-out infinite; }
@keyframes indet { from { transform: translateX(-100%); } to { transform: translateX(250%); } }
@media (prefers-reduced-motion: reduce) { .progress > i { animation: none; width: 100%; } }

.actions { display: flex; flex-direction: column; gap: 8px; margin-top: 20px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0 20px;
  border: 1px solid var(--input); border-radius: 8px; background: var(--background); color: var(--foreground);
  font: 500 14px var(--font-sans); cursor: pointer; text-align: center; text-decoration: none;
}
.btn:hover { background: var(--accent); }
.btn:focus-visible, .link:focus-visible { outline: 3px solid color-mix(in oklch, var(--ring) 50%, transparent); outline-offset: 1px; }
.btn-primary { border-color: transparent; background: var(--primary); color: var(--primary-foreground); }
.btn-primary:hover { background: color-mix(in oklch, var(--primary) 90%, transparent); }
.btn-lg { min-height: 48px; font-size: 16px; }
.btn small { display: block; font-size: 12px; font-weight: 400; color: var(--muted-foreground); }
.btn.method { justify-content: flex-start; text-align: left; }
.btn:disabled { opacity: 0.5; cursor: default; }
.link { padding: 0; border: 0; background: none; color: var(--accent-fg); font: inherit; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.hint { margin: 12px 0 0; font-size: 12px; color: var(--muted-foreground); }

.foot { max-width: 64rem; margin: 0 auto; padding: 4px 16px 40px; font-size: 12px; line-height: 1.55; color: var(--muted-foreground); }