/* Вход (/login): те же токены --h-*, что у оболочки и главной. Слева заголовок, польза и форма; справа чертёж щита
   (illustrations.hero_svg) — тонкие линии низкого контраста, однократная прорисовка; prefers-reduced-motion — без неё. */

body.auth {
  --bg: var(--h-bg); --surface: var(--h-card); --surface-2: var(--h-panel); --input: var(--h-sunken);
  --line: var(--h-line); --line-strong: var(--h-line-strong); --ink: var(--h-ink); --muted: var(--h-ink-2);
  --link: var(--h-accent-text); background: var(--h-bg); accent-color: var(--h-accent);
}
body.auth main { max-width: 1240px; padding: 56px 32px 64px; }
.auth-layout { display: grid; grid-template-columns: minmax(0, 460px) minmax(0, 1fr); gap: 56px; align-items: center; }
.auth-main { display: grid; gap: 0; min-width: 0; }
.auth-eyebrow { margin: 0 0 16px; font: 500 11.5px/1.4 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--h-ink-3); }
.auth-title { margin: 0; font-size: clamp(2rem, 1.3rem + 1.8vw, 2.9rem); 
  color: var(--h-ink); text-wrap: balance; }
.auth-accent { color: var(--h-accent-text); }
.auth-points { list-style: none; margin: 20px 0 28px; padding: 0; display: grid; gap: 10px; color: var(--h-ink-2); font-size: 0.9375rem; }
.auth-points li { display: flex; gap: 10px; align-items: flex-start; line-height: 1.5; }
.auth-points .ico { flex: none; margin-top: 3px; color: var(--h-tile-ink); }
.auth-card { padding: 24px; border-radius: 16px; background: var(--h-card); border: 1px solid var(--h-line); box-shadow: var(--h-shadow-lg); }
.auth-card h2 { margin: 0 0 6px; font-size: 1.25rem; font-weight: 600; }
.auth-card .hint { margin-bottom: 14px; font-size: 0.875rem; }
.auth-card label { color: var(--h-ink-2); font-size: 0.8125rem; }
.auth-card input[type="text"], .auth-card input[type="password"] { height: 40px; background: var(--h-sunken); border-color: var(--h-line-strong); color: var(--h-ink); }
.auth-card input:focus { border-color: var(--h-accent); outline: none; box-shadow: 0 0 0 3px var(--h-accent-soft); }
.auth-card .error-text { color: var(--h-err); margin: 4px 0 0; }
body.auth button.auth-submit { margin-top: 8px; min-height: 42px; border-radius: 8px; background: var(--h-btn); border-color: var(--h-btn);
  color: var(--h-on-accent); font-weight: 500; }
body.auth button.auth-submit:hover { background: var(--h-btn-hover); border-color: var(--h-btn-hover); }
.auth-forgot { margin: 14px 0 0; }
.auth-art { min-width: 0; color: var(--h-art); }

.hero-art { display: block; width: 100%; height: auto; max-height: 560px; overflow: visible; stroke-width: 0.85; }
.hero-art .hid { stroke: var(--h-art-2); stroke-dasharray: 3 3; }
.hero-art .l-accent { color: var(--h-art-accent); }
.hero-art .l-dims, .hero-art .l-lead, .hero-art .l-marks { stroke-width: 0.7; }
.hero-art text { fill: var(--h-art-text); stroke: none; font: 500 8.5px var(--mono); letter-spacing: 0.04em; }
.hero-art text.t-big { font-size: 13px; letter-spacing: 0.02em; }
@media (prefers-reduced-motion: no-preference) {
  .hero-art path:not(.hid) { animation: auth-draw 1.1s cubic-bezier(0.65, 0, 0.35, 1) backwards; }
  .hero-art .hid, .hero-art .l-text { animation: auth-fade 0.5s ease-out 0.9s backwards; }
  .hero-art .l-door path { animation-delay: 0.12s; }
  .hero-art .l-inner path, .hero-art .l-cables path { animation-delay: 0.2s; }
  .hero-art .l-devices path { animation-delay: 0.3s; }
  .hero-art .l-accent path { animation-delay: 0.4s; }
  .hero-art .l-dims path, .hero-art .l-marks path { animation-delay: 0.5s; }
  .hero-art .l-lead path { animation-delay: 0.6s; }
}
@keyframes auth-draw { from { stroke-dasharray: 1; stroke-dashoffset: 1; } to { stroke-dasharray: 1; stroke-dashoffset: 0; } }
@keyframes auth-fade { from { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { body.auth main > * { animation: none; } }

@media (max-width: 900px) {
  body.auth main { padding: 28px 16px 48px; }
  .auth-layout { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .auth-art { order: -1; max-width: 360px; justify-self: center; width: 100%; opacity: 0.9; }
  .hero-art { max-height: 220px; }
}
@media (max-width: 600px) { .auth-art { display: none; } }  /* на телефоне — сразу к форме */