:root {
  --ink: #173326;
  --muted: #58635d;
  --gold: #b38a2e;
  --wine: #781c20;
  --line: #d9d1c1;
  --card: #fffdf8;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  color: var(--ink);
  font-family: Archivo, Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  background:
    radial-gradient(circle at 15% 15%, rgba(179, 138, 46, 0.18), transparent 32%),
    linear-gradient(145deg, #10271d, #234835);
}

.login-shell {
  display: grid;
  place-items: center;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 24px 16px;
}

.login-card {
  width: min(100%, 440px);
  padding: clamp(28px, 7vw, 48px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 24px;
  background: var(--card);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.32);
}

.login-card > img { display: block; width: 56px; height: 56px; object-fit: contain; margin: 0 auto 16px; }

.eyebrow {
  margin: 0;
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-align: center;
  text-transform: uppercase;
}

h1 {
  margin: 8px 0 10px;
  font-size: clamp(28px, 7vw, 38px);
  line-height: 1.05;
  text-align: center;
}

.lede { margin: 0 0 24px; color: var(--muted); line-height: 1.55; text-align: center; }

form { display: grid; gap: 8px; }

label { margin-top: 8px; font-size: 14px; font-weight: 600; }

input {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 16px; /* evita zoom automático no iPhone */
}

input:focus-visible { outline: 3px solid rgba(179, 138, 46, 0.45); outline-offset: 1px; border-color: var(--gold); }

input[aria-invalid="true"] { border-color: var(--wine); }

.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  min-height: 50px;
  margin-top: 14px;
  border: 0;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.primary-button:focus-visible { outline: 3px solid rgba(179, 138, 46, 0.6); outline-offset: 3px; }

.primary-button[aria-busy="true"] { cursor: progress; opacity: 0.8; }

.primary-button[aria-busy="true"]::before {
  content: "";
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  .primary-button[aria-busy="true"]::before { animation: none; }
}

.form-message {
  margin: 8px 0 0;
  padding: 12px 14px;
  border-radius: 12px;
  background: #f8e5e3;
  color: var(--wine);
  font-size: 14px;
  line-height: 1.45;
}

.form-message.is-info { background: #eef2ea; color: var(--ink); }

.fineprint { margin: 20px 0 0; color: var(--muted); font-size: 12px; line-height: 1.5; text-align: center; }