/* ==========================================================================
   Nikkilog — Auth pages (login / register)
   Depends on tokens.css (loaded first).
   ========================================================================== */

.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--lg) var(--md);
  position: relative;
  overflow-x: hidden;
}

.auth-ambient {
  position: fixed;
  top: -180px; left: 50%;
  transform: translateX(-50%);
  width: min(900px, 110vw);
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, var(--primary-fixed) 0%, rgba(255, 218, 220, 0.45) 45%, transparent 70%);
  filter: blur(80px);
  opacity: 0.7;
  pointer-events: none;
  z-index: 0;
}

.auth-wrap {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 440px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.auth-wrap .brand { margin-bottom: var(--lg); }

.auth-card {
  width: 100%;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(20px);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: var(--xl);
  box-shadow: var(--shadow-pop);
  text-align: left;
}
.auth-card h1 { margin-bottom: var(--xs); }
.auth-sub { color: var(--on-surface-variant); margin-bottom: var(--lg); }

.auth-card .field:last-of-type { margin-bottom: var(--lg); }
.auth-card .opt { font-weight: 500; color: var(--outline); font-size: 0.75rem; }

.auth-card .btn-block { margin-top: var(--xs); }

.auth-alt { margin-top: var(--lg); font-size: 0.875rem; color: var(--on-surface-variant); text-align: center; }
.auth-alt a { color: var(--primary); font-weight: 600; }
.auth-alt a:hover { color: var(--primary-container); text-decoration: underline; }

.auth-foot {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: var(--lg);
  font-size: 0.75rem;
  color: var(--outline);
  text-align: center;
}
.auth-foot .material-symbols-outlined { font-size: 15px; }

@media (max-width: 480px) {
  .auth-card { padding: var(--lg) var(--md); border-radius: var(--r-md); }
  .auth-card h1 { font-size: 1.75rem; }
}

/* --- live username availability --- */
.username-status {
  display: block;
  min-height: 1.05rem;      /* reserved, so the form does not jump as it changes */
  margin-top: 6px;
  font-size: 0.78rem;
  line-height: 1.3;
  color: var(--outline);
}
.username-status.is-checking { color: var(--outline); }
.username-status.is-good { color: #157f4d; font-weight: 600; }
.username-status.is-good::before { content: '\2713 '; }
.username-status.is-bad { color: var(--danger); font-weight: 600; }
.username-status.is-bad::before { content: '\2715 '; }
.username-status strong { font-weight: 700; }

/* --- recovery code, shown once --- */
.recovery-code {
  font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-align: center;
  padding: var(--s4);
  margin-bottom: var(--s3);
  border: 1px dashed var(--outline);
  border-radius: var(--radius);
  background: var(--surface-low);
  color: var(--title);
  user-select: all;   /* one tap selects the whole code */
}

/* --- a pair of recovery codes --- */
.recovery-pair { display: flex; flex-direction: column; gap: var(--s3); margin-bottom: var(--s3); }
.recovery-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--outline);
  margin-bottom: 4px;
}
.recovery-pair .recovery-code { margin-bottom: 0; }