/* Cartão de /register e /login (T48, D87/D89/D90): vidro v2, campo, botão
 * disabled, divisor, .btn-google, link cruzado e o box de /login. Tokens de
 * site.css; cores próprias do formulário ficam literais (como notice.css). */
.auth-main {
  flex: 1; width: 100%; display: flex; justify-content: center;
  align-items: center; gap: 28px; padding: 40px 48px 56px;
}
.auth-card {
  position: relative; overflow: hidden; width: 480px; max-width: 100%;
  box-sizing: border-box; padding: 40px 44px 36px; border-radius: 24px;
  background: linear-gradient(160deg, rgba(130, 160, 255, 0.10), rgba(130, 160, 255, 0.03));
  border: 1px solid var(--line);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 24px 64px rgba(0, 0, 0, 0.35);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  display: flex; flex-direction: column; gap: 18px;
}
.auth-card::before {
  content: ""; position: absolute; top: 0; left: 44px; right: 44px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(108, 242, 224, 0.55), rgba(183, 156, 255, 0.45), transparent);
}
.auth-eyebrow {
  margin: 0; display: flex; align-items: center; gap: 10px; font: 13px var(--mono);
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--plasma);
}
.auth-eyebrow::before { content: ""; display: inline-block; width: 28px; height: 1px; background: linear-gradient(90deg, transparent, var(--plasma)); }
.auth-card h1 { font-size: 44px; line-height: 1.04; font-weight: 750; letter-spacing: -0.025em; }
.auth-grad {
  background: linear-gradient(95deg, #6CF2E0 0%, #9DBBFF 55%, #B79CFF 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.auth-lead { margin: 0; font-size: 16px; line-height: 1.6; color: var(--muted); }
.auth-form { margin: 6px 0 0; display: flex; flex-direction: column; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label, .field-label { font: 12px var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: #C4CFEA; }
.field input {
  height: 48px; box-sizing: border-box; padding: 0 14px; border-radius: 12px;
  background: rgba(4, 8, 22, 0.55); border: 1px solid rgba(150, 185, 255, 0.22);
  color: var(--text); font-size: 16px; font-family: inherit;
}
.field input:hover { border-color: rgba(150, 185, 255, 0.40); }
.field input:focus-visible { border-color: var(--plasma); outline: 2px solid var(--plasma); outline-offset: 2px; }
.field input:-webkit-autofill { -webkit-box-shadow: 0 0 0 1000px #0E1530 inset; -webkit-text-fill-color: var(--text); }
.field input:autofill { box-shadow: 0 0 0 1000px #0E1530 inset; }
/* Coral (T63, P-017): única cor quente do site, só para erro de campo; borda
 * coral convive com o contorno de foco plasma (um diz "está aqui", o outro
 * "está errado"). Cores literais como o resto do formulário. */
.field input[aria-invalid="true"] { border-color: #F2786B; }
.field input[aria-invalid="true"]:hover { border-color: #FF9080; }
.field input[aria-invalid="true"]:focus-visible { border-color: #F2786B; outline-color: var(--plasma); }
.field-hint { margin: 0; font-size: 13px; line-height: 1.4; color: var(--muted); }
/* [hidden] tem que vencer o display: flex do autor (F1, revisão P-017): sem
 * isso o UA style [hidden]{display:none} perde e o erro aparece vazio no
 * carregamento da página. */
.field-error[hidden], .form-error[hidden] { display: none; }
.field-error {
  margin: 0; display: flex; align-items: flex-start; gap: 9px; font-size: 13px;
  line-height: 1.4; color: #FF9E90;
}
.field-error::before {
  content: ""; flex-shrink: 0; width: 6px; height: 6px; margin: 6px 0 0 1px;
  background: #FF8F80; transform: rotate(45deg);
}
.form-error {
  margin: 4px 0 0; box-sizing: border-box; display: flex; align-items: flex-start; gap: 12px;
  padding: 12px 14px; border-radius: 12px; background: rgba(255, 120, 105, 0.09);
  border: 1px solid rgba(255, 140, 125, 0.40); font-size: 14px; line-height: 1.5; color: #FFD2CB;
}
/* F3: o form-error já carrega os 4px de cima (mock P017Login); o botão logo
 * depois não soma o seu próprio margin-top, senão dobra o espaçamento. */
.form-error:not([hidden]) + .btn-auth { margin-top: 0; }
.form-error::before {
  content: "!"; flex-shrink: 0; width: 20px; height: 20px; margin-top: 1px;
  display: flex; align-items: center; justify-content: center; border-radius: 999px;
  background: #FF8F80; color: #1A0608; font-size: 13px; font-weight: 800; line-height: 1;
}
/* Sucesso do formulário (T66, P-022): plasma no lugar do coral, mesmo molde
 * do .form-error; nunca aparece junto dele (clearErrors esconde os dois). */
.form-ok[hidden] { display: none; }
.form-ok {
  margin: 4px 0 0; box-sizing: border-box; display: flex; align-items: flex-start; gap: 12px;
  padding: 12px 14px; border-radius: 12px; background: rgba(108, 242, 224, 0.08);
  border: 1px solid rgba(108, 242, 224, 0.40); font-size: 14px; line-height: 1.5; color: #D2FFF8;
}
.form-ok::before {
  content: "\2713"; flex-shrink: 0; width: 20px; height: 20px; margin-top: 1px;
  display: flex; align-items: center; justify-content: center; border-radius: 999px;
  background: #6CF2E0; color: #06101F; font-size: 13px; font-weight: 800; line-height: 1;
}
/* Botão habilitado (T63): mesmo gradiente do .btn-primary do site; o
 * tracejado de P-010 vira o estado :disabled (Google e /account, T51). */
.btn-auth {
  position: relative; overflow: hidden; margin-top: 4px; height: 50px; box-sizing: border-box;
  border-radius: 12px; border: 0; background: linear-gradient(135deg, #6CF2E0, #7AA8FF);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.18) inset, 0 10px 34px rgba(108, 242, 224, 0.30);
  color: #06101F; font-size: 17px; font-weight: 650; font-family: inherit; cursor: pointer;
}
.btn-auth:hover {
  background: linear-gradient(135deg, #8CF7E8, #97BBFF);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.28) inset, 0 12px 44px rgba(108, 242, 224, 0.50);
}
.btn-auth:focus-visible { outline: 2px solid #E8EEFF; outline-offset: 3px; }
.btn-auth:active {
  background: linear-gradient(135deg, #58D8C7, #6A94E6);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.12) inset, 0 4px 14px rgba(108, 242, 224, 0.22);
  transform: translateY(1px);
}
/* Ocupado (aria-busy, T63): plasma translúcido + filete de varredura no pé,
 * mesmo ritmo do trilho #load de /game; texto não muda. ::after em vez de
 * marcação extra: o JS só troca disabled/aria-busy, nunca innerHTML. */
.btn-auth[aria-busy="true"] {
  background: linear-gradient(135deg, rgba(108, 242, 224, 0.16), rgba(122, 168, 255, 0.16));
  border: 1px solid rgba(108, 242, 224, 0.55); box-shadow: 0 0 22px rgba(108, 242, 224, 0.14);
  color: #E8FFFB; cursor: progress;
}
.btn-auth[aria-busy="true"]::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px;
  background: linear-gradient(90deg, transparent, #6CF2E0, transparent) -61.3% 0 / 38% 100% no-repeat,
    linear-gradient(rgba(108, 242, 224, 0.12), rgba(108, 242, 224, 0.12)) 0 0 / 100% 100% no-repeat;
  animation: btn-busy-slide 1.6s ease-in-out infinite;
}
@keyframes btn-busy-slide {
  from { background-position: -61.3% 0, 0 0; }
  to { background-position: 161.3% 0, 0 0; }
}
@media (prefers-reduced-motion: reduce) {
  .btn-auth[aria-busy="true"]::after { animation: none; background-position: 50% 0, 0 0; }
}
/* Continua o tracejado aprovado em P-010: só onde o controle não funciona
 * (Google, D87; /account, T51). */
.btn-auth:disabled:not([aria-busy="true"]) {
  background: rgba(147, 163, 200, 0.08); border: 1px dashed rgba(147, 163, 200, 0.40);
  color: #A9B6D6; cursor: not-allowed; box-shadow: none; transform: none;
}
.auth-divider {
  display: flex; align-items: center; gap: 14px; font: 12px var(--mono);
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted);
}
.auth-divider span { flex-grow: 1; height: 1px; background: linear-gradient(90deg, transparent, rgba(150, 185, 255, 0.30)); }
.auth-divider span:last-child { background: linear-gradient(90deg, rgba(150, 185, 255, 0.30), transparent); }
.btn-google {
  width: 100%; height: 48px; box-sizing: border-box; display: flex; align-items: center;
  justify-content: center; gap: 10px; padding: 0 12px; border-radius: 999px;
  background: rgba(19, 19, 20, 0.55); border: 1px solid rgba(142, 145, 143, 0.30);
  color: #E3E3E3; font: 500 15px var(--sans); letter-spacing: 0.01em; cursor: not-allowed;
}
.btn-google img, .btn-google span { opacity: 0.45; }
.auth-cross { margin: 2px 0 0; text-align: center; font-size: 15px; color: var(--muted); }
.auth-cross a { display: inline-flex; align-items: center; min-height: 44px; }
.auth-box {
  position: relative; overflow: hidden; width: 300px; flex-shrink: 0; box-sizing: border-box;
  padding: 28px 26px 26px; border-radius: 20px;
  background: linear-gradient(160deg, rgba(108, 242, 224, 0.13), rgba(138, 108, 255, 0.10));
  border: 1px solid rgba(108, 242, 224, 0.34);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.07), 0 0 44px rgba(108, 242, 224, 0.12), 0 24px 64px rgba(0, 0, 0, 0.35);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  display: flex; flex-direction: column; gap: 14px;
}
.auth-box-head { display: flex; flex-direction: column; gap: 14px; }
.auth-box-kicker { margin: 0; font: 12px var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--plasma); }
.auth-box h2 { margin: 0; font-size: 25px; line-height: 1.15; font-weight: 700; letter-spacing: -0.015em; }
.auth-box-text { margin: 0; font-size: 15px; line-height: 1.55; color: #C4CFEA; }
.auth-box-cta {
  margin-top: 4px; height: 48px; box-sizing: border-box; display: flex; align-items: center;
  justify-content: center; gap: 8px; border-radius: 999px; background: rgba(108, 242, 224, 0.14);
  border: 1px solid rgba(108, 242, 224, 0.55); color: var(--plasma); font-size: 16px;
  font-weight: 650; text-decoration: none;
}
.auth-box-cta:hover { background: rgba(108, 242, 224, 0.22); border-color: #6CF2E0; color: #E8FFFB; box-shadow: 0 0 22px rgba(108, 242, 224, 0.28); }
.auth-box-cta:focus-visible { outline: 2px solid var(--plasma); outline-offset: 3px; }

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .auth-card { background: #0F1630; }
  .auth-box { background: #0F1D34; }
}

@media (max-width: 860px) {
  .auth-main { flex-direction: column; gap: 16px; padding: 28px 16px 40px; }
  .auth-card { padding: 28px 22px 24px; border-radius: 18px; gap: 16px; box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 16px 48px rgba(0, 0, 0, 0.35); }
  .auth-card::before { left: 22px; right: 22px; }
  .auth-card h1 { font-size: 34px; line-height: 1.06; }
  .auth-eyebrow { gap: 8px; font-size: 12px; letter-spacing: 0.12em; }
  .auth-eyebrow::before { width: 20px; }
  .auth-form { gap: 14px; }
  .btn-auth { margin-top: 2px; }
  .auth-divider { gap: 12px; }
  .auth-cross { display: flex; justify-content: center; align-items: center; gap: 6px; min-height: 44px; margin: 0; }
  .auth-box { width: 100%; padding: 22px; border-radius: 18px; gap: 12px; box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.07), 0 0 36px rgba(108, 242, 224, 0.10), 0 16px 48px rgba(0, 0, 0, 0.35); }
  .auth-box-head { flex-direction: row; align-items: center; gap: 12px; }
  .auth-box-head svg { width: 36px; height: 36px; }
  .auth-box h2 { font-size: 22px; line-height: 1.2; }
}