/* assets/90-login.css — a tela de login (auth.py::_LOGIN_TEMPLATE, HTML do Flask).
 *
 * Tudo sob .login-page: o Dash carrega este arquivo no app também (assets/*.css), e
 * sem o escopo estas regras vazariam para lá. A tela usa os mesmos tokens, fontes,
 * botões, campos e avisos do app (00-tokens, 01-fonts, 02-base, 04-icons,
 * 20-components) — é a primeira impressão do produto, com a mesma identidade.
 */

.login-page {
  margin: 0;
  min-height: 100vh;
  background: var(--color-surface);
  font-size: var(--fs-md);
}

.login-page .login-split {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  min-height: 100vh;
}

/* Painel da marca: teal profundo com a grade do papel de ECG e um traçado. */
.login-page .login-brand {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-6);
  padding: 44px 48px;
  color: #E4F4F6;
  background: linear-gradient(155deg, var(--teal-700) 0%, var(--teal-900) 48%, var(--teal-950) 100%);
}
.login-page .login-brand::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px, 40px 40px, 8px 8px, 8px 8px;
}
.login-page .login-brand > * { position: relative; }
.login-page .login-brand__logo { height: 52px; width: auto; align-self: flex-start; }
.login-page .login-brand__title {
  margin: 0;
  font-size: 44px;
  line-height: 1.05;
  font-weight: var(--fw-bold);
  letter-spacing: -0.025em;
  color: #FFFFFF;
}
.login-page .login-brand__tagline { margin: 12px 0 0; max-width: 42ch; font-size: 15px; color: #BFE3E8; }
.login-page .login-brand__legal { margin: 0; font-size: 12px; color: #9CCBD2; max-width: 60ch; }

/* O traçado: ritmo sinusal real (assets/brand/login-ecg.svg, gerado por scripts/build_login_ecg.py). A altura vem do
 * SVG (a escala vertical da grade); a varredura é SMIL dentro dele, em tempo real e em loop. Aqui só a aparência:
 * a volta atual acesa, a anterior esmaecida à frente da caneta, e a caneta com um halo. */
.login-page .login-ecg { display: block; width: 100%; margin-top: var(--space-8); overflow: visible; }
.login-page .login-ecg__old,
.login-page .login-ecg__new {
  stroke: #7FE0EC;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.login-page .login-ecg__old { opacity: 0.3; }
.login-page .login-ecg__pen path { fill: none; stroke-linecap: round; }
.login-page .login-ecg__glow { stroke: rgba(127, 224, 236, 0.35); stroke-width: 14; }
.login-page .login-ecg__tip { stroke: #FFFFFF; stroke-width: 6; }
@media (prefers-reduced-motion: reduce) {
  .login-page .login-ecg__old,
  .login-page .login-ecg__pen { display: none; }
  .login-page .login-ecg__new { clip-path: none; }
}

/* Formulário */
.login-page .login-form {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  padding: 40px 24px;
}
.login-page .login-card { width: min(100%, 360px); display: grid; gap: var(--space-4); }
.login-page .login-card__title { margin: 0; font-size: var(--fs-2xl); }
.login-page .login-card__sub { margin: -8px 0 0; color: var(--color-text-secondary); }
.login-page .login-card__form { display: grid; gap: 14px; }
.login-page .login-input {
  height: 40px;
  width: 100%;
  padding: 0 12px;
  font-size: 14px;
  border-radius: var(--radius);
}
.login-page .login-card__submit { height: 42px; font-size: 14px; margin-top: 4px; }
.login-page .login-card code {
  font-size: var(--fs-xs);
  background: var(--color-surface-sunken);
  padding: 1px 5px;
  border-radius: 4px;
}
.login-page .login-footer { margin: 0; font-size: var(--fs-xs); color: var(--color-text-muted); }

@media (max-width: 899px) {
  .login-page .login-split { grid-template-columns: 1fr; }
  .login-page .login-brand { padding: 28px 24px; }
  .login-page .login-brand__title { font-size: 32px; }
  .login-page .login-ecg { height: 80px; margin-top: var(--space-4); }
}