/*
 * auth.css — the login + accept-invite screens (the gate before the SPA).
 * shares the app's design tokens (tokens.css) so the petrol-teal brand,
 * card surfaces, and radii match the main UI exactly.
 */

.auth-body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(1200px 600px at 50% -10%, rgba(77, 156, 166, 0.10), transparent 60%),
    var(--bg);
  color: var(--fg);
  font-family: 'Lora', Georgia, serif;
}

.auth-card {
  width: min(92vw, 380px);
  padding: 36px 34px 28px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.auth-logo {
  display: block;
  width: 190px;
  height: auto;
  margin: 0 auto 22px;
}

.auth-sub {
  margin: 6px 0 26px;
  text-align: center;
  color: var(--fg-dim);
  font-size: 14px;
}

.auth-form { display: flex; flex-direction: column; }

.auth-label {
  font-size: 12px;
  color: var(--muted);
  margin: 12px 0 6px;
  letter-spacing: 0.02em;
}

.auth-input {
  background: var(--surface-1);
  border: 1px solid var(--surface-4);
  border-radius: var(--radius-sm);
  color: var(--fg);
  padding: 11px 12px;
  font-family: inherit;
  font-size: 15px;
  outline: none;
  transition: border-color 0.15s ease;
}
.auth-input:focus { border-color: var(--teal-light); }

.auth-btn {
  display: block;
  text-align: center;
  text-decoration: none;
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  font-family: inherit;
  font-size: 15px;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.auth-btn-primary {
  margin-top: 20px;
  background: var(--card-active);
  border: 1px solid var(--selected-border);
  color: var(--fg);
}
.auth-btn-primary:hover { background: var(--surface-emph); }

.auth-btn-google {
  background: var(--surface-1);
  border: 1px solid var(--surface-4);
  color: var(--fg);
}
.auth-btn-google:hover { background: var(--surface-3); }

.auth-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 18px 0 14px;
  color: var(--muted);
  font-size: 12px;
}
.auth-divider::before, .auth-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--card-border);
}

.auth-error {
  margin: 16px 0 0;
  padding: 10px 12px;
  background: var(--danger-bg);
  border: 1px solid var(--danger-border);
  border-radius: var(--radius-row);
  color: var(--danger-text);
  font-size: 13px;
}

.auth-foot {
  margin: 18px 0 0;
  text-align: center;
  color: var(--muted);
  font-size: 12px;
}
.auth-foot a { color: var(--teal-light); }