/* Tela de login — neutra, sem identidade de nenhuma escola específica.
   Usa só os tokens padrão de :root (app.css), nunca as cores dinâmicas
   de marca carregadas por escola no resto do app. */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

html:has(body.login-page) {
  background: #0c1e2e;
  overflow-x: hidden;
}

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--brand-primary) 0%, #163a4d 55%, #0c1e2e 100%);
  position: relative;
  overflow: hidden;
  padding: 24px;
}

.login-waves {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(600px circle at 12% 15%, rgba(255, 255, 255, 0.10), transparent 60%),
    radial-gradient(500px circle at 88% 20%, color-mix(in srgb, var(--brand-accent) 55%, transparent), transparent 65%),
    radial-gradient(700px circle at 20% 90%, color-mix(in srgb, var(--brand-secondary) 45%, transparent), transparent 60%),
    radial-gradient(650px circle at 95% 95%, rgba(255, 255, 255, 0.06), transparent 60%);
}

.login-waves::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.16) 1px, transparent 1px);
  background-size: 26px 26px;
  opacity: 0.35;
  mask-image: radial-gradient(circle at 50% 40%, black 0%, transparent 70%);
}

.login-stage {
  position: relative;
  z-index: 1;
  width: min(400px, 100%);
}

.login-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-modal);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  padding: 40px 34px 32px;
  text-align: center;
  color: #ffffff;
}

.login-title {
  margin: 0 0 6px;
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.login-subtitle {
  margin: 0 0 26px;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.72);
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.login-field {
  position: relative;
  display: flex;
  align-items: center;
}

.login-field-icon {
  position: absolute;
  left: 14px;
  width: 18px;
  height: 18px;
  fill: none;
  stroke: rgba(255, 255, 255, 0.55);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
}

.login-input {
  width: 100%;
  padding: 13px 16px 13px 44px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.09);
  color: #ffffff;
  font-size: 0.95rem;
}

.login-input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.login-input:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.14);
}

.login-remember {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.75);
  margin: 2px 0 4px;
  cursor: pointer;
  user-select: none;
}

.login-remember input {
  accent-color: var(--brand-accent);
}

.login-submit {
  margin-top: 4px;
  padding: 13px 16px;
  border: none;
  border-radius: 999px;
  background: var(--brand-accent);
  color: #1c1200;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: filter 0.15s ease;
}

.login-submit:hover {
  filter: brightness(1.06);
}

.login-submit:disabled {
  opacity: 0.6;
  cursor: default;
}

.login-help {
  margin: 18px 0 0;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.6);
}

.login-card .alert {
  margin-bottom: 16px;
  text-align: center;
}