/* ============================================================
 * Auth pages: login / register / verify-otp.
 * Mobile-first; centered card on >=600px.
 * Form primitives come from _form.css — load it BEFORE this file.
 * ============================================================ */

.auth {
  min-height: 100dvh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  background: var(--bg);
}

.auth__top {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
}
.auth__top .logo { color: var(--fg); }
.auth__top-actions {
  margin-left: auto;
  display: flex;
  gap: var(--space-2);
  align-items: center;
}

.auth__main {
  display: grid;
  place-items: start center;
  padding: var(--space-5);
}

.auth__card {
  width: 100%;
  max-width: 440px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-5);
  box-shadow: var(--shadow-md);
  margin-top: var(--space-5);
}

@media (min-width: 600px) {
  .auth__card {
    padding: var(--space-7) var(--space-6);
  }
}

.auth__title {
  font-size: var(--fs-28);
  margin-bottom: var(--space-2);
}

.auth__sub {
  color: var(--fg-muted);
  margin-bottom: var(--space-6);
}

.auth__sub strong { color: var(--fg); }

/* --- Form layout (primitives in _form.css) --- */

.auth__form {
  display: grid;
  gap: var(--space-4);
}

/* Submit */
.auth__submit {
  width: 100%;
  padding: var(--space-4) var(--space-5);
  font-size: var(--fs-16);
}
.auth__submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Auth-specific banner alias of .form-banner from _form.css */
.auth__banner { padding: var(--space-3) var(--space-4); border-radius: var(--radius-md); font-size: var(--fs-14); display: none; }
.auth__banner[data-kind="error"] {
  background: color-mix(in srgb, var(--danger) 12%, transparent);
  color: var(--danger);
  border: 1px solid color-mix(in srgb, var(--danger) 25%, transparent);
  display: block;
}
.auth__banner[data-kind="info"] {
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  color: var(--fg);
  border: 1px solid color-mix(in srgb, var(--primary) 25%, transparent);
  display: block;
}

/* --- Footer of card --- */

.auth__alt {
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: var(--fs-14);
  color: var(--fg-muted);
}
.auth__alt a {
  color: var(--link);
  font-weight: 600;
}

/* --- OTP code input --- */

.otp {
  display: grid;
  gap: var(--space-3);
}

.otp__input {
  width: 100%;
  padding: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--fs-28);
  letter-spacing: 0.4em;
  text-align: center;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--fg);
}
.otp__input:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-color: var(--primary);
}

.otp__resend {
  font-size: var(--fs-14);
  color: var(--fg-muted);
  text-align: center;
}
.otp__resend button {
  background: none;
  border: none;
  color: var(--link);
  font-weight: 600;
  padding: 0;
  cursor: pointer;
}
.otp__resend button:disabled {
  color: var(--fg-faint);
  cursor: not-allowed;
}

/* --- Trust line (lead-gen) --- */

.auth__trust {
  margin-top: var(--space-5);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: var(--fs-12);
  color: var(--fg-faint);
  justify-content: center;
}
.auth__trust span::before { content: "·"; margin-right: var(--space-2); }
.auth__trust span:first-child::before { content: ""; margin: 0; }

/* --- Footer --- */

.auth__footer {
  padding: var(--space-5);
  text-align: center;
  font-size: var(--fs-12);
  color: var(--fg-faint);
}
.auth__footer a { color: var(--fg-muted); }

/* --- Reduced motion --- */

@media (prefers-reduced-motion: reduce) {
  .auth__submit { transition: none; }
}