/* ── Background ── */
    body {
      min-height: 100vh;
      background: rgb(43, 59, 53);
      background-image:
        radial-gradient(ellipse 70% 60% at 20% 80%, rgba(46, 204, 113, 0.10) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 80% 10%, rgba(46, 204, 113, 0.07) 0%, transparent 55%);
      font-family: 'DM Sans', sans-serif;
    }

    /* ── Auth wrapper ── */
    .auth-wrapper {
      min-height: calc(100vh - 66px);
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 40px 16px;
    }

    /* ── Card ── */
    .auth-card {
      width: 100%;
      max-width: 420px;
      background: rgba(1, 20, 28, 0.82);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border: 1px solid rgba(46, 204, 113, 0.18);
      border-radius: 20px;
      padding: 44px 40px 40px;
      box-shadow:
        0 8px 40px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.03) inset;
    }

    /* ── Logo + heading ── */
    .auth-logo {
      display: block;
      height: 44px;
      margin: 0 auto 28px;
    }

    .auth-title {
      font-size: 1.55rem;
      font-weight: 700;
      color: #e8e8ff;
      text-align: center;
      margin-bottom: 6px;
      letter-spacing: -0.3px;
    }

    .auth-sub {
      font-size: 0.82rem;
      color: rgba(232, 232, 255, 0.45);
      text-align: center;
      margin-bottom: 32px;
    }

    /* ── Labels ── */
    .auth-label {
      font-size: 0.78rem;
      font-weight: 600;
      color: rgba(232, 232, 255, 0.65);
      letter-spacing: 0.5px;
      text-transform: uppercase;
      margin-bottom: 6px;
      display: block;
    }

    /* ── Inputs ── */
    .auth-input {
      width: 100%;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 10px;
      padding: 11px 16px;
      color: #e8e8ff;
      font-size: 0.92rem;
      font-family: 'DM Sans', sans-serif;
      transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
      outline: none;
      box-sizing: border-box;
    }

    .auth-input::placeholder {
      color: rgba(232, 232, 255, 0.25);
    }

    .auth-input:focus {
      border-color: rgba(46, 204, 113, 0.55);
      background: rgba(46, 204, 113, 0.05);
      box-shadow: 0 0 0 3px rgba(46, 204, 113, 0.12);
    }

    .auth-input:-webkit-autofill {
      -webkit-box-shadow: 0 0 0 100px rgba(1, 20, 28, 0.95) inset;
      -webkit-text-fill-color: #e8e8ff;
    }

    /* ── Field group ── */
    .auth-field {
      margin-bottom: 20px;
    }

    /* ── Submit button ── */
    .auth-btn {
      width: 100%;
      padding: 13px;
      border-radius: 50px;
      border: none;
      background: linear-gradient(135deg, #2ecc71 0%, #27ae60 100%);
      color: #0e1a12;
      font-family: 'DM Sans', sans-serif;
      font-size: 0.95rem;
      font-weight: 700;
      letter-spacing: 0.2px;
      cursor: pointer;
      transition: box-shadow 0.2s ease, transform 0.15s ease, filter 0.2s ease;
      box-shadow: 0 4px 20px rgba(46, 204, 113, 0.35);
      margin-top: 8px;
    }

    .auth-btn:hover {
      filter: brightness(1.07);
      box-shadow: 0 6px 28px rgba(46, 204, 113, 0.5);
      transform: translateY(-1px);
    }

    .auth-btn:active {
      transform: translateY(0);
    }

    /* ── Footer link ── */
    .auth-footer {
      text-align: center;
      margin-top: 26px;
      font-size: 0.82rem;
      color: rgba(232, 232, 255, 0.4);
    }

    .auth-footer a {
      color: #2ecc71;
      font-weight: 600;
      text-decoration: none;
      transition: color 0.15s ease;
    }

    .auth-footer a:hover {
      color: #55d98d;
    }

    /* ── Alert messages ── */
    .auth-alert {
      background: rgba(231, 76, 60, 0.15);
      border: 1px solid rgba(231, 76, 60, 0.35);
      border-radius: 10px;
      color: #ff8a7a;
      font-size: 0.84rem;
      padding: 10px 14px;
      margin-top: 16px;
      text-align: center;
    }

    /* ── Divider ── */
    .auth-divider {
      display: flex;
      align-items: center;
      gap: 12px;
      margin: 24px 0;
      color: rgba(232, 232, 255, 0.2);
      font-size: 0.75rem;
    }

    .auth-divider::before,
    .auth-divider::after {
      content: '';
      flex: 1;
      height: 1px;
      background: rgba(255, 255, 255, 0.08);
    }

    /* ── Fade in ── */
    @keyframes fadeUp {
      from {
        opacity: 0;
        transform: translateY(18px);
      }

      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .auth-card {
      animation: fadeUp 0.45s cubic-bezier(.22, 1, .36, 1) both;
    }