#signup-overlay,
.account-access-overlay {
  z-index: 1200;
  opacity: 0;
  transition: opacity var(--duration-normal, 180ms) var(--ease-standard, ease);
}

#signup-overlay.is-visible,
.account-access-overlay.is-visible { opacity: 1; }

.account-access-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(18, 23, 43, .62);
  backdrop-filter: blur(5px);
}

.account-access-overlay[hidden] { display: none; }

#signup-overlay .signup-card,
.account-access-overlay .signup-card {
  max-width: 480px;
  overflow-y: auto;
  transform: translateY(12px) scale(.985);
  transition: transform var(--duration-normal, 180ms) var(--ease-out, ease-out);
}

#signup-overlay.is-visible .signup-card,
.account-access-overlay.is-visible .signup-card { transform: none; }

.account-access-overlay .signup-card {
  position: relative;
  width: min(100%, 480px);
  max-height: min(92dvh, 760px);
  border: 1px solid var(--line, #e3e1d8);
  border-radius: 20px;
  color: var(--ink, #12172b);
  background: var(--surface, #fff);
  box-shadow: 0 24px 70px rgba(18, 23, 43, .24);
}

.signup-close {
  position: absolute;
  top: 12px;
  right: 14px;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  color: var(--ink-soft);
  background: transparent;
  font-size: 27px;
  line-height: 1;
  cursor: pointer;
}

.signup-close:hover { background: var(--paper); color: var(--ink); }

.signup-heading {
  padding: 30px 34px 22px;
  border-bottom: 1px solid var(--line);
  text-align: center;
}

.signup-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin: 0 auto 13px;
  border: 2px solid var(--brand);
  border-radius: 11px;
  color: var(--brand);
  font-size: 22px;
  font-weight: 700;
}

.signup-mark svg { width: 21px; height: 21px; }

.signup-heading h2 {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display, "Atkinson Hyperlegible", "Inter", system-ui, sans-serif);
  font-size: clamp(22px, 4vw, 26px);
  font-weight: 600;
  letter-spacing: -.035em;
  line-height: 1.2;
}

.signup-heading p {
  max-width: 38ch;
  margin: 9px auto 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.55;
}

.signup-content { padding: 23px 34px 27px; }

.signup-google,
.signup-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  min-height: 48px;
  border-radius: var(--radius-md, 10px);
  font-family: var(--font-body, "Inter", system-ui, sans-serif);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

.signup-google {
  border: 1px solid #cbd0da;
  color: var(--ink);
  background: #fff;
}

.signup-google:hover:not(:disabled) { border-color: var(--brand); background: #f7f8fc; }
.signup-google svg { flex: none; }

.signup-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 18px 0;
  color: var(--ink-soft);
  font-size: 12px;
  text-align: center;
  white-space: nowrap;
}

.signup-divider::before,
.signup-divider::after { height: 1px; flex: 1; background: var(--line); content: ""; }

.signup-form { display: grid; gap: 8px; }
.signup-form label { color: var(--ink); font-size: 13px; font-weight: 600; }
.signup-form label span { color: var(--ink-soft); font-weight: 400; }

.signup-form input {
  width: 100%;
  height: 44px;
  margin-bottom: 5px;
  padding: 0 13px;
  border: 1px solid #cbd0da;
  border-radius: var(--radius-md, 10px);
  color: var(--ink);
  background: #fff;
  font-family: var(--font-body, "Inter", system-ui, sans-serif);
  font-size: 14px;
}

.signup-form input:focus { border-color: var(--brand); outline: 2px solid rgba(43, 58, 143, .12); }
.signup-confirm-field { display: grid; gap: 8px; }
.signup-confirm-field[hidden] { display: none; }

.signup-status {
  min-height: 18px;
  margin: 1px 0 3px;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.45;
}

.signup-status.is-error { color: #a8322d; }
.signup-status.is-success { color: #12694f; }

.signup-submit { border: 1px solid var(--brand); color: #fff; background: var(--brand); }
.signup-submit:hover:not(:disabled) { background: var(--brand-hover); }
.signup-submit:disabled,
.signup-google:disabled { opacity: .58; cursor: wait; }

.signup-retry,
.signup-switch button,
.account-access-forgot,
.account-access-back {
  padding: 0;
  border: 0;
  color: var(--brand);
  background: transparent;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.signup-retry { display: block; margin: 12px auto 0; font-size: 13px; }
.signup-retry[hidden] { display: none; }
.signup-switch { margin: 18px 0 0; color: var(--ink-soft); font-size: 13px; text-align: center; }
.signup-switch a { color: var(--brand); font-weight: 700; text-decoration: none; }
.signup-switch a:hover { text-decoration: underline; }

.account-access-forgot {
  justify-self: end;
  margin: 1px 0 5px;
  font-size: 13px;
}

.account-access-view[hidden] { display: none; }
.account-access-recovery-copy { margin: 0 0 16px; color: var(--ink-soft); font-size: 13px; line-height: 1.55; }
.account-access-back { display: block; margin: 16px auto 0; font-size: 13px; }

#signup-overlay :focus-visible,
.account-access-overlay :focus-visible { outline: 2px solid var(--teal, #0c8f8a); outline-offset: 3px; }

@media (max-width: 600px) {
  #signup-overlay,
  .account-access-overlay { align-items: flex-end; padding: 0; }
  #signup-overlay .signup-card,
  .account-access-overlay .signup-card {
    max-width: none;
    max-height: min(92dvh, 760px);
    border-radius: 18px 18px 0 0;
    transform: translateY(30px);
  }
  #signup-overlay.is-visible .signup-card,
  .account-access-overlay.is-visible .signup-card { transform: translateY(0); }
  .signup-heading { padding: 25px 25px 19px; }
  .signup-content { padding: 21px 25px max(24px, env(safe-area-inset-bottom)); }
}

@media (prefers-reduced-motion: reduce) {
  #signup-overlay,
  #signup-overlay .signup-card,
  .account-access-overlay,
  .account-access-overlay .signup-card { transition: none; }
}