/* ── AUTH PAGE ──────────────────────────────────────────────────── */

body.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-box {
  background: var(--surface);
  border: 1px solid var(--border);
  width: 100%;
  max-width: 400px;
  padding: 40px;
}

.auth-box h1 {
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.5px;
  margin-bottom: 4px;
}

.auth-box .sub {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 28px;
}

/* ── TABS ───────────────────────────────────────────────────────── */

.tab-row {
  display: flex;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}

.tab-btn {
  flex: 1;
  padding: 10px;
  background: none;
  border: none;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  cursor: pointer;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  text-decoration: none;
  display: block;
  text-align: center;
  transition: color 0.15s, border-color 0.15s;
}

.tab-btn.active {
  color: var(--text);
  border-bottom-color: var(--text);
}

/* ── AUTH BUTTON ────────────────────────────────────────────────── */

.auth-box .btn {
  display: block;
  width: 100%;
  text-align: center;
  padding: 11px;
  margin-top: 8px;
}