/* Оформление единственной публичной формы входа: только login-классы. */
.login-page {
  --login-bg: #f3f5f6; --login-card: #fff; --login-text: #23323b;
  --login-muted: #63758a; --login-border: #cbd5df; --login-input: #fff;
  --login-primary: #596b76; --login-focus: #718796; --login-hover: #eaedef;
  --login-error: #a8071a; --login-error-bg: #fff2f0; --login-error-border: #ffccc7;
  min-height: 100svh; display: grid; place-items: center; position: relative;
  padding: 24px; color: var(--login-text); background: var(--login-bg);
  font: 15px/1.5 Inter, "Segoe UI", system-ui, sans-serif;
}
.login-page, .login-page * { box-sizing: border-box; }
.login-card {
  width: min(100%, 400px); padding: 32px; border: 1px solid var(--login-border);
  border-radius: 12px; background: var(--login-card); box-shadow: 0 8px 30px #25374608;
}
.login-brand { margin: 0 0 20px; }
.login-brand img { display: block; width: min(100%, 280px); height: auto; margin-inline: auto; }
.login-subtitle { margin: 0 0 24px; color: var(--login-muted); }
.login-form { display: grid; gap: 18px; }
.login-form label { display: grid; gap: 8px; font-size: 14px; }
.login-form input, .login-form button {
  width: 100%; min-height: 42px; border-radius: 6px; font: inherit;
}
.login-form input { padding: 9px 12px; border: 1px solid var(--login-border); color: inherit; background: var(--login-input); }
.login-form input:focus-visible, .login-page button:focus-visible {
  outline: 3px solid var(--login-focus); outline-offset: 2px;
}
.login-form button { border: 0; padding: 10px 16px; color: #fff; background: var(--login-primary); cursor: pointer; }
.login-form button:disabled { cursor: wait; opacity: .65; }
.login-theme-toggle {
  position: absolute; top: 16px; right: 16px; display: grid; place-items: center;
  width: 40px; height: 40px; padding: 0; border: 1px solid var(--login-border); border-radius: 8px;
  background: var(--login-card); color: var(--login-text); cursor: pointer; font-size: 18px;
}
.login-theme-toggle:hover { background: var(--login-hover); }
.login-error { color: var(--login-error); background: var(--login-error-bg); border: 1px solid var(--login-error-border); border-radius: 6px; padding: 12px; margin-bottom: 20px; font-size: 14px; }
.login-page [hidden] { display: none !important; }
[data-theme="dark"] .login-page {
  --login-bg: #141414; --login-card: #1f1f1f; --login-text: #e6edf3; --login-muted: #9cb0c0;
  --login-border: #424242; --login-input: #141414; --login-hover: #2a2a2a;
  --login-error: #ff7875; --login-error-bg: #2a1215; --login-error-border: #5c2223;
  color-scheme: dark;
}
[data-theme="dark"] .login-brand img { filter: brightness(0) invert(.92); }
@media (max-width: 420px) { .login-page { padding: 16px; } .login-card { padding: 24px; } }