/* ===== RESET NHẸ ===== */
body {
    background-color: #f4f6f9;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    
  }
  
  /* ===== HEADER ===== */
  header {
    background: linear-gradient(135deg, #198754, #20c997);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
  }
  
  header h1 {
    font-weight: 700;
    letter-spacing: 1px;
  }
  
  /* ===== NAVBAR ===== */
  .navbar {
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15);
  }
  
  .navbar-brand {
    font-weight: bold;
  }
  
  .nav-link {
    font-weight: 500;
  }
  
  .nav-link:hover {
    text-decoration: underline;
  }
  
  /* ===== CARD PHIM ===== */
  .card {
    border: none;
    border-radius: 14px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
    height: 100%;
  }
  
  .card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
  }
  
  /* ===== ẢNH PHIM ===== */
  .card-img-top {
    height: 350px;
    object-fit: cover;
    transition: transform 0.4s ease;
  }
  
  .card:hover .card-img-top {
    transform: scale(1.08);
  }
  
  /* ===== NỘI DUNG CARD ===== */
  .card-body {
    display: flex;
    flex-direction: column;
    padding: 16px;
  }
  
  .card-title {
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 6px;
  }
  
  .card-text {
    font-size: 0.95rem;
    color: #555;
  }
  
  .card-text:last-of-type {
    font-weight: 600;
    color: #dc3545;
    margin-top: auto;
  }
  
  /* ===== NÚT XEM NGAY ===== */
  .card .btn {
    margin-top: 12px;
    border-radius: 20px;
    font-weight: 600;
    transition: all 0.3s ease;
  }
  
  .card .btn:hover {
    background-color: #0d6efd;
    transform: scale(1.05);
  }
  
  /* ===== SIDEBAR ===== */
  .col-md-3 > div {
    border-radius: 14px;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
  }
  
  .col-md-3 h5 {
    font-weight: 700;
    margin-bottom: 12px;
  }
  
  .col-md-3 a {
    color: #fff;
    text-decoration: none;
    display: block;
    padding: 6px 0;
    transition: all 0.3s;
  }
  
  .col-md-3 a:hover {
    padding-left: 8px;
    text-decoration: underline;
  }
  
  /* ===== FOOTER ===== */
  .container .bg-dark {
    border-radius: 12px;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
  }
  
  .container .bg-dark h3 {
    font-weight: 700;
  }
  
  .container .bg-dark p {
    font-size: 0.95rem;
    color: #ccc;
  }
  
  /* ===== RESPONSIVE ===== */
  @media (max-width: 768px) {
    .card-img-top {
      height: 280px;
    }
  }