/* ============================================================
   LOGIN PAGE — RESPONSIVE ADD-ONS
   Append this to the BOTTOM of assets/css/login.css
   Desktop styles are completely untouched.
   ============================================================ */

/* ── 1024px: reduce side padding ── */
@media (max-width: 1024px) {
  nav {
    padding: 0 32px;
  }
  .form-side {
    padding: 40px 40px;
  }
  footer {
    padding: 32px 40px 24px;
  }
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 28px;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
}

/* ── 768px: stack layout, hide image side ── */
@media (max-width: 768px) {

  /* NAV */
  nav {
    padding: 0 20px;
    height: 60px;
    position: relative;
  }
  .nav-links {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 14px 20px 20px;
    gap: 4px;
    box-shadow: 0 8px 24px rgba(0,0,0,.10);
    z-index: 999;
    border-top: 1px solid var(--border);
  }
  .nav-links.open {
    display: flex;
  }
  .nav-links a {
    width: 100%;
    padding: 12px 0;
    font-size: 15px;
    border-bottom: 1px solid #f0f7f3;
  }
  .nav-links a:last-child {
    border-bottom: none;
    margin-top: 6px;
  }
  .btn-nav {
    width: 100% !important;
    text-align: center !important;
    border-radius: 10px !important;
    padding: 12px 0 !important;
  }

  /* Hamburger (injected by JS) */
  .nav-hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    border: none;
    background: none;
    margin-left: auto;
  }
  .nav-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: #1a4d2e;
    border-radius: 2px;
    transition: transform .25s, opacity .25s;
  }
  .nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-hamburger.open span:nth-child(2) { opacity: 0; }
  .nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  /* MAIN: single column, hide image side */
  main {
    grid-template-columns: 1fr;
    min-height: calc(100vh - 60px);
  }
  .img-side {
    display: none;
  }

  /* FORM SIDE */
  .form-side {
    padding: 32px 20px 40px;
    align-items: flex-start;
  }
  .form-card {
    padding: 32px 24px;
    border-radius: 20px;
    max-width: 100%;
  }
  .form-card h1 {
    font-size: 28px;
  }
  .form-card .subtitle {
    font-size: 13px;
    margin-bottom: 24px;
  }

  /* Social buttons stack */
  .social-btns {
    flex-direction: column;
    gap: 10px;
  }

  /* 2FA OTP card */
  .tfa-card {
    padding: 28px 20px;
    border-radius: 18px;
  }
  .tfa-card h2 {
    font-size: 19px;
  }

  /* FOOTER */
  footer {
    padding: 28px 20px 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 6px;
    text-align: center;
    font-size: 11px;
  }
}

/* ── 480px: single column footer, tighter card ── */
@media (max-width: 480px) {
  .form-card {
    padding: 28px 18px;
    border-radius: 16px;
  }
  .form-card h1 {
    font-size: 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .lockout-box {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .lockout-timer {
    width: 100%;
    align-items: center;
  }
}