*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    :root {
      --teal-dark:  #1a6b5a;
      --teal-mid:   #218a6e;
      --teal-light: #2aaa86;
      --orange:     #c1540a;
      --orange-light: #e06520;
      --cream:      #f7f5f0;
      --text-dark:  #1a2520;
      --text-mid:   #3d4f47;
      --shadow:     0 8px 32px rgba(26,107,90,0.13);
    }

    html { scroll-behavior: smooth; }

    body {
      font-family: 'DM Sans', sans-serif;
      background: var(--cream);
      color: var(--text-dark);
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }

    /* ── NAV ── */
    nav {
      background: var(--teal-dark);
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 48px;
      height: 64px;
      position: sticky;
      top: 0;
      z-index: 100;
      box-shadow: 0 2px 16px rgba(0,0,0,0.18);
    }

    .nav-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
    }
    .nav-logo span {
      font-family: 'Fraunces', serif;
      font-size: 1.25rem;
      font-weight: 700;
      color: #fff;
      letter-spacing: -0.02em;
    }

    .nav-links { display: flex; align-items: center; gap: 36px; list-style: none; }
    .nav-links a {
      color: rgba(255,255,255,0.88);
      text-decoration: none;
      font-size: 0.95rem;
      font-weight: 500;
      transition: color 0.2s;
    }
    .nav-links a:hover { color: #fff; }

    .nav-actions { display: flex; align-items: center; gap: 14px; }

    .btn-login-nav {
      background: transparent;
      border: none;
      color: rgba(255,255,255,0.88);
      font-size: 0.95rem;
      font-weight: 500;
      cursor: pointer;
      font-family: 'DM Sans', sans-serif;
      transition: color 0.2s;
      text-decoration: none;
    }
    .btn-login-nav:hover { color: #fff; }

    .btn-signup-nav {
      background: var(--orange);
      color: #fff;
      border: none;
      border-radius: 50px;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 600;
      cursor: pointer;
      font-family: 'DM Sans', sans-serif;
      transition: background 0.2s, transform 0.15s;
      box-shadow: 0 2px 10px rgba(193,84,10,0.35);
    }
    .btn-signup-nav:hover { background: var(--orange-light); transform: translateY(-1px); }

    /* ── PAGE BODY ── */
    .page-body {
      flex: 1;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 48px 24px;
    }

    /* ── CARD ── */
    .auth-card {
      background: #fff;
      border-radius: 20px;
      padding: 44px 48px;
      width: 100%;
      max-width: 680px;
      box-shadow: 0 12px 48px rgba(26,107,90,0.12);
      animation: fadeUp 0.55s ease both;
    }

    .auth-card h1 {
      font-family: 'Fraunces', serif;
      font-size: 2rem;
      font-weight: 900;
      color: var(--text-dark);
      text-align: center;
      letter-spacing: -0.03em;
      margin-bottom: 8px;
    }

    .auth-card .subtitle {
      text-align: center;
      font-size: 0.92rem;
      color: var(--text-mid);
      margin-bottom: 28px;
    }

    /* ── ROLE SELECTOR ── */
    .role-label {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-dark);
      margin-bottom: 12px;
    }

    .role-cards {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-bottom: 28px;
    }

    .role-card {
      border: 2px solid rgba(26,107,90,0.15);
      border-radius: 14px;
      padding: 16px 18px;
      display: flex;
      align-items: center;
      gap: 14px;
      cursor: pointer;
      transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
      background: #fff;
    }
    .role-card:hover { border-color: var(--teal-mid); }

    .role-card.active-donor {
      border-color: var(--teal-mid);
      background: rgba(33,138,110,0.06);
    }

    .role-card.active-animal {
      border-color: var(--orange);
      background: rgba(193,84,10,0.06);
    }

    .role-icon {
      width: 44px; height: 44px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      flex-shrink: 0;
    }

    .role-icon.donor-icon  { background: rgba(33,138,110,0.12); }
    .role-icon.animal-icon { background: rgba(193,84,10,0.12); }

    .role-card.active-donor  .role-icon.donor-icon  { background: var(--teal-dark); }
    .role-card.active-animal .role-icon.animal-icon { background: var(--orange); }

    .role-card-text strong {
      display: block;
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-dark);
    }
    .role-card.active-donor  .role-card-text strong { color: var(--teal-dark); }
    .role-card.active-animal .role-card-text strong { color: var(--orange); }

    .role-card-text span {
      font-size: 0.78rem;
      color: var(--text-mid);
    }

    /* ── FORM COLUMNS ── */
    .form-columns {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0 32px;
    }

    .col-header {
      display: flex;
      align-items: center;
      gap: 7px;
      font-size: 0.9rem;
      font-weight: 700;
      margin-bottom: 18px;
    }

    .col-header.teal { color: var(--teal-mid); }
    .col-header.orange { color: var(--orange); }

    .col-header svg { flex-shrink: 0; }

    .form-group { margin-bottom: 16px; }

    .form-group label {
      display: block;
      font-size: 0.83rem;
      font-weight: 600;
      color: var(--text-dark);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 11px 14px;
      border: 1.5px solid rgba(26,107,90,0.18);
      border-radius: 9px;
      font-size: 0.9rem;
      font-family: 'DM Sans', sans-serif;
      color: var(--text-dark);
      background: #fff;
      transition: border-color 0.2s, box-shadow 0.2s;
      outline: none;
      appearance: none;
    }
    .form-control::placeholder { color: #aab5b0; }
    .form-control:focus {
      border-color: var(--teal-mid);
      box-shadow: 0 0 0 3px rgba(33,138,110,0.1);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 96px;
      line-height: 1.55;
    }

    select.form-control {
      background-image: url("data:image/svg+xml,%3Csvg width='16' height='16' viewBox='0 0 16 16' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M4 6l4 4 4-4' stroke='%233d4f47' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 12px center;
      padding-right: 36px;
      cursor: pointer;
    }

    /* checkbox group */
    .checkbox-group { display: flex; flex-direction: column; gap: 8px; margin-top: 4px; }

    .check-item {
      display: flex;
      align-items: center;
      gap: 10px;
      border: 1.5px solid rgba(26,107,90,0.15);
      border-radius: 9px;
      padding: 10px 14px;
      cursor: pointer;
      transition: border-color 0.2s, background 0.2s;
      font-size: 0.88rem;
      color: var(--text-dark);
    }
    .check-item:hover { border-color: var(--teal-mid); background: rgba(33,138,110,0.04); }
    .check-item input[type="checkbox"] {
      width: 16px; height: 16px;
      accent-color: var(--teal-dark);
      cursor: pointer;
      flex-shrink: 0;
    }
    .check-item strong { font-weight: 700; }
    .check-item span   { color: var(--text-mid); font-size: 0.82rem; }

    /* verification note */
    .verify-note {
      font-size: 0.78rem;
      color: var(--text-mid);
      line-height: 1.55;
      margin-top: 10px;
    }

    /* ── SUBMIT ── */
    .btn-submit {
      width: 100%;
      border: none;
      border-radius: 12px;
      padding: 15px;
      font-size: 1rem;
      font-weight: 700;
      font-family: 'DM Sans', sans-serif;
      cursor: pointer;
      transition: filter 0.2s, transform 0.15s, box-shadow 0.2s;
      margin-top: 24px;
      margin-bottom: 18px;
      color: #fff;
    }

    .btn-submit.donor-btn {
      background: var(--teal-dark);
      box-shadow: 0 3px 16px rgba(26,107,90,0.25);
    }
    .btn-submit.donor-btn:hover { filter: brightness(1.1); transform: translateY(-1px); }

    .btn-submit.animal-btn {
      background: var(--orange);
      box-shadow: 0 3px 16px rgba(193,84,10,0.3);
    }
    .btn-submit.animal-btn:hover { filter: brightness(1.1); transform: translateY(-1px); }

    .auth-footer {
      text-align: center;
      font-size: 0.88rem;
      color: var(--text-mid);
    }
    .auth-footer a {
      color: var(--teal-mid);
      font-weight: 700;
      text-decoration: none;
      transition: color 0.2s;
    }
    .auth-footer a:hover { color: var(--teal-dark); text-decoration: underline; }

    /* ── FOOTER ── */
    footer {
      background: var(--text-dark);
      color: rgba(255,255,255,0.5);
      padding: 24px 80px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 0.82rem;
      gap: 20px;
      flex-wrap: wrap;
    }

    .footer-logo {
      display: flex;
      align-items: center;
      gap: 8px;
      text-decoration: none;
    }
    .footer-logo span {
      font-family: 'Fraunces', serif;
      font-weight: 700;
      font-size: 1rem;
      color: #fff;
    }
    .footer-links-row { display: flex; gap: 24px; }
    .footer-links-row a {
      color: rgba(255,255,255,0.5);
      text-decoration: none;
      font-size: 0.82rem;
      transition: color 0.2s;
    }
    .footer-links-row a:hover { color: var(--teal-light); }

    /* ── PASSWORD SHOW/HIDE TOGGLE ── */
    /* ── NAV AUTH BUTTONS ──
       renderNavActions() injects .btn-login / .btn-signup when logged out.
       Copied from home.css so the nav matches the homepage exactly. */
    .btn-login {
      background: transparent;
      border: none;
      color: rgba(255,255,255,0.88);
      font-size: 0.95rem;
      font-weight: 500;
      cursor: pointer;
      padding: 8px 4px;
      transition: color 0.2s;
      font-family: 'DM Sans', sans-serif;
      text-decoration: none;
    }
    .btn-login:hover { color: #fff; }

    .btn-signup {
      background: var(--orange);
      color: #fff;
      border: none;
      border-radius: 50px;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 600;
      cursor: pointer;
      font-family: 'DM Sans', sans-serif;
      transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
      box-shadow: 0 2px 10px rgba(193,84,10,0.35);
      text-decoration: none;
    }
    .btn-signup:hover {
      background: var(--orange-light);
      transform: translateY(-1px);
      box-shadow: 0 4px 18px rgba(193,84,10,0.45);
    }

    .password-field { position: relative; }
    .password-field .form-control { padding-right: 42px; }
    .password-toggle-btn {
      position: absolute;
      top: 50%;
      right: 4px;
      transform: translateY(-50%);
      width: 32px;
      height: 32px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: none;
      border: none;
      padding: 0;
      cursor: pointer;
      color: #7a8b84;
      border-radius: 6px;
      transition: color 0.2s, background 0.2s;
    }
    .password-toggle-btn:hover { color: var(--teal-mid); background: rgba(33,138,110,0.08); }
    .password-toggle-btn svg { width: 18px; height: 18px; }

    .animal-fields { display: none; }

    .form-control.invalid {
      border-color: #c53030;
      box-shadow: 0 0 0 3px rgba(197,48,48,0.08);
    }

    /* ── SUCCESS POPUP ── */
    .popup-backdrop {
      display: none;
      position: fixed; inset: 0;
      background: rgba(0,0,0,0.45);
      z-index: 300;
      align-items: center;
      justify-content: center;
      backdrop-filter: blur(4px);
    }
    .popup-backdrop.open { display: flex; }

    .popup {
      background: #fff;
      border-radius: 24px;
      padding: 44px 40px 36px;
      width: 100%;
      max-width: 400px;
      text-align: center;
      box-shadow: 0 24px 64px rgba(0,0,0,0.18);
      animation: popIn 0.35s cubic-bezier(0.34,1.56,0.64,1) both;
      margin: 0 20px;
    }

    .popup-icon {
      width: 72px; height: 72px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--teal-mid), var(--teal-light));
      display: flex; align-items: center; justify-content: center;
      margin: 0 auto 20px;
      box-shadow: 0 8px 24px rgba(33,138,110,0.3);
    }

    .popup h2 {
      font-family: 'Fraunces', serif;
      font-size: 1.5rem;
      font-weight: 900;
      color: var(--text-dark);
      letter-spacing: -0.03em;
      margin-bottom: 10px;
    }

    .popup p {
      font-size: 0.92rem;
      color: var(--text-mid);
      line-height: 1.6;
      margin-bottom: 28px;
    }

    .popup p span {
      font-weight: 700;
      color: var(--text-dark);
    }

    .btn-go-login {
      display: block;
      width: 100%;
      background: var(--teal-dark);
      color: #fff;
      border: none;
      border-radius: 12px;
      padding: 14px;
      font-size: 1rem;
      font-weight: 700;
      font-family: 'DM Sans', sans-serif;
      cursor: pointer;
      text-decoration: none;
      transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
      box-shadow: 0 3px 14px rgba(26,107,90,0.25);
    }
    .btn-go-login:hover {
      background: var(--teal-mid);
      transform: translateY(-1px);
      box-shadow: 0 6px 20px rgba(26,107,90,0.35);
    }

    /* donor popup is orange */
    .popup-icon.donor-icon-popup {
      background: linear-gradient(135deg, #7a2d06, var(--orange));
      box-shadow: 0 8px 24px rgba(193,84,10,0.3);
    }
    .btn-go-login.donor-login-btn {
      background: var(--orange);
      box-shadow: 0 3px 14px rgba(193,84,10,0.25);
    }
    .btn-go-login.donor-login-btn:hover {
      background: var(--orange-light);
      box-shadow: 0 6px 20px rgba(193,84,10,0.35);
    }

    /* ── PET ENTRY SYSTEM ── */
    .pet-entry-row {
      display: grid;
      grid-template-columns: 1fr 1fr auto;
      gap: 8px;
      align-items: center;
      margin-bottom: 8px;
    }

    .pet-entry-row select {
      padding: 10px 12px;
      border: 1.5px solid rgba(26,107,90,0.2);
      border-radius: 9px;
      font-family: 'DM Sans', sans-serif;
      font-size: 0.88rem;
      color: var(--text-dark);
      background: #fff;
      outline: none;
      cursor: pointer;
      appearance: none;
      background-image: url("data:image/svg+xml,%3Csvg width='12' height='12' viewBox='0 0 12 12' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3 4.5l3 3 3-3' stroke='%233d4f47' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 10px center;
      padding-right: 28px;
      transition: border-color 0.2s, box-shadow 0.2s;
    }
    .pet-entry-row select:focus {
      border-color: var(--teal-mid);
      box-shadow: 0 0 0 3px rgba(33,138,110,0.1);
    }

    .btn-remove-pet {
      width: 32px; height: 32px;
      background: #fff0f0;
      border: 1.5px solid rgba(229,62,62,0.25);
      border-radius: 8px;
      display: flex; align-items: center; justify-content: center;
      cursor: pointer;
      flex-shrink: 0;
      transition: background 0.2s, border-color 0.2s;
      color: #e53e3e;
    }
    .btn-remove-pet:hover { background: #ffe0e0; border-color: #e53e3e; }

    .btn-add-pet {
      display: flex;
      align-items: center;
      gap: 6px;
      background: transparent;
      border: 1.5px dashed rgba(26,107,90,0.3);
      border-radius: 9px;
      padding: 9px 14px;
      font-size: 0.83rem;
      font-weight: 600;
      color: var(--teal-mid);
      cursor: pointer;
      font-family: 'DM Sans', sans-serif;
      transition: border-color 0.2s, background 0.2s;
      width: 100%;
      margin-top: 4px;
    }
    .btn-add-pet:hover {
      border-color: var(--teal-mid);
      background: rgba(33,138,110,0.04);
    }

    .pet-summary {
      margin-top: 10px;
      background: rgba(33,138,110,0.06);
      border-radius: 9px;
      padding: 10px 12px;
      font-size: 0.78rem;
      color: var(--teal-dark);
      font-weight: 600;
      line-height: 1.6;
      display: none;
      border: 1px solid rgba(33,138,110,0.12);
    }
    .pet-summary.show { display: block; }

    .pet-entry-labels {
      display: grid;
      grid-template-columns: 1fr 1fr auto;
      gap: 8px;
      margin-bottom: 4px;
    }
    .pet-entry-labels span {
      font-size: 0.72rem;
      font-weight: 700;
      color: var(--text-mid);
      text-transform: uppercase;
      letter-spacing: 0.06em;
    }

    @keyframes popIn {
      from { opacity: 0; transform: scale(0.8) translateY(20px); }
      to   { opacity: 1; transform: scale(1) translateY(0); }
    }

    @keyframes fadeUp {
      from { opacity: 0; transform: translateY(24px); }
      to   { opacity: 1; transform: translateY(0); }
    }

    @media (max-width: 680px) {
      nav { padding: 0 20px; }
      .nav-links { display: none; }
      .auth-card { padding: 28px 20px; }
      .form-columns { grid-template-columns: 1fr; }
      .role-cards { grid-template-columns: 1fr; }
      footer { padding: 24px; flex-direction: column; text-align: center; }
    }

    /* ── SMALL PHONE (≤420px) ── */
    @media (max-width: 420px) {
      .page-body { padding: 24px 12px; }
      .auth-card { padding: 24px 16px; border-radius: 16px; }
      .auth-card h1 { font-size: 1.6rem; }
      .auth-card .subtitle { font-size: 0.85rem; }

      /* Animal rows: type / qty / remove is too tight on a phone */
      .pet-entry-row { grid-template-columns: 1fr 1fr auto; gap: 6px; }
      .pet-entry-labels { grid-template-columns: 1fr 1fr auto; gap: 6px; font-size: 0.7rem; }
      .pet-entry-row select { font-size: 0.85rem; padding: 10px 8px; }

      .check-item span { font-size: 0.82rem; }
      .footer-links-row { flex-wrap: wrap; justify-content: center; gap: 12px; }
    }