/* ===============================
   GLOBAL MOBILE FIX
================================ */
* {
  box-sizing: border-box;
}

html, body {
  width: 100%;
  overflow-x: hidden;
}

/* ===============================
   HAMBURGER BUTTON
================================ */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: 12px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  margin: 5px 0;
  background: #000;
  transition: 0.3s;
}

/* ===============================
   MOBILE HEADER
================================ */
@media (max-width: 768px) {

  header {
    padding: 10px 16px;
    justify-content: space-between;
  }

  header img {
    width: 120px;
  }

  /* Hide desktop menu */
  .nav-links {
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background: #fff;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 20px 0;
    display: none;
    box-shadow: 0 12px 25px rgba(0,0,0,0.15);
    z-index: 999;
  }

  /* Show menu when active */
  .nav-links.active {
    display: flex;
  }

  /* Hide desktop spacing */
  .outer {
    margin: 0;
  }

  /* Signup + hamburger alignment */
  header .signup {
    width: auto;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  /* Show hamburger ONLY on mobile */
  .hamburger {
    display: block;
  }
}

/*=====================================================
   SEARCH BAR (CRITICAL FIX)
===================================================== */
@media (max-width: 768px) {
  .search-bar {
    flex-direction: column;
    gap: 14px;
    padding: 18px;
  }

  .location-group {
    flex-direction: column;
    gap: 12px;
    width: 100%;
  }

  .swap-icon {
    margin: 0 auto;
  }

  .search-field {
    width: 100%;
  }

  .search-field input,
  .search-field select {
    font-size: 15px;
    padding: 12px;
  }

  .search-btn button {
    width: 100%;
    font-size: 16px;
    padding: 14px;
  }
}

/* ===============================
   AUTH PAGES (LOGIN / SIGNUP)
================================ */
@media (max-width: 768px) {

  .auth-body {
    min-width: 100%;
    height: auto;
  }

  .auth-container {
    flex-direction: column;
  }

  .auth-left,
  .auth-right {
    width: 100%;
  }

  .auth-left {
    min-height: 220px;
  }

  .auth-form {
    max-width: 90%;
    margin: 0 auto;
  }
}

/* ===============================
   CARS GRID MOBILE
================================ */
@media (max-width: 600px) {
  .car-grid {
    grid-template-columns: 1fr;
  }
}

/* ===============================
   POPULAR PLACES MOBILE
================================ */
@media (max-width: 600px) {
  .places-grid {
    grid-template-columns: 1fr;
  }
}