/* ===== Signin Page (fully isolated, no region deps) ===== */

/* Wrapper with gradient background */
#signin-wrapper {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(1200px 800px at 20% 0%, rgba(59,130,246,.15), transparent 60%),
    radial-gradient(900px 700px at 100% 100%, rgba(16,185,129,.12), transparent 55%),
    linear-gradient(140deg, #0b1220 0%, #141b2d 100%);
}

/* Card (form container) */
#signin-form,
#tfa-entry-form {
  --card: #ffffff;
  --text: #0f172a;
  --muted: #6b7280;
  --border: #e5e7eb;
  --ring: #2563eb;
  --ring-soft: rgba(37, 99, 235, .14);
  --error: #ef4444;
  --shadow: 0 10px 30px rgba(2, 6, 23, .15);
  --radius: 16px;

  width: 100%;
  max-width: 420px;
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: saturate(120%) blur(4px);
  margin-inline: auto;
}

/* Headline text */
#signin-form::before {
  content: "Welcome back";
  display: block;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 6px;
}
#signin-form::after {
  content: "Log in to continue";
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 16px;
}

/* Labels & fields */
#signin-username-wrapper,
#signin-password-wrapper {
  margin: 14px 0 18px;
}

#signin-username-label,
#signin-password-label {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
}

#signin-username-label.form-required::after,
#signin-password-label.form-required::after {
  content: " *";
  color: var(--error);
  font-weight: 700;
}

#edit-code,
#signin-username,
#signin-password {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 15px;
  background: #fff;
  transition: border-color .18s ease, box-shadow .18s ease, background-color .18s ease;
}

#edit-code:hover,
#signin-username:hover,
#signin-password:hover {
  border-color: #d1d5db;
}

#edit-code:focus,
#signin-username:focus,
#signin-password:focus {
  outline: none;
  border-color: var(--ring);
  box-shadow: 0 0 0 4px var(--ring-soft);
}

/* Submit button */
#edit-actions {
  margin-top: 8px;
}

#edit-login,
#edit-send,
#signin-submit {
  width: 100%;
  border: 0;
  border-radius: 12px;
  padding: 12px 16px;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  background: linear-gradient(180deg, #3b82f6 0%, #2563eb 100%);
  color: #fff;
  box-shadow: 0 6px 18px rgba(37, 99, 235, .35);
  transition: transform .08s ease, box-shadow .18s ease, filter .18s ease;
}

#edit-login,
#edit-send {
    width: fit-content;
}

#edit-actions .is-disabled {
    background: #ced1d4;
    color: #000;
    box-shadow: none;
}

#edit-login:not(.is-disabled):hover,
#edit-send:not(.is-disabled):hover,
#signin-submit:hover {
  filter: brightness(1.05);
  box-shadow: 0 8px 22px rgba(37, 99, 235, .45);
}

#edit-login:not(.is-disabled):active,
#edit-send:not(.is-disabled):active,
#signin-submit:active {
  transform: translateY(1px);
}

/* Error highlighting */
#signin-form .form-item--error input,
#signin-form input.error {
  border-color: var(--error) !important;
  box-shadow: 0 0 0 4px rgba(239, 68, 68, .12) !important;
}

/* Mobile-first tweaks */
@media (max-width: 480px) {
  #tfa-entry-form,
  #signin-form {
    padding: 22px;
    border-radius: 14px;
  }
  #signin-form::before {
    font-size: 18px;
  }
  #signin-form::after {
    font-size: 12px;
  }
  #signin-username-label,
  #signin-password-label {
    font-size: 12px;
  }
  #signin-username,
  #signin-password {
    font-size: 14px;
    padding: 11px 12px;
  }
  #signin-submit {
    font-size: 14px;
    padding: 11px 14px;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  #signin-form * {
    transition: none !important;
  }
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
  #signin-form {
    --card: #0f172a;
    --text: #e5e7eb;
    --muted: #94a3b8;
    --border: #1f2937;
  }

  #signin-username,
  #signin-password {
    background: #111827;
    color: var(--text);
    border-color: #243244;
  }

  #signin-username::placeholder,
  #signin-password::placeholder {
    color: #64748b;
  }
}