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

body {
  font-family: 'Roboto', sans-serif;
  background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.6)),
              url('https://cdn.pixabay.com/photo/2016/11/23/15/33/joystick-1858026_1280.jpg') center/cover no-repeat;
  color: #eee;
  overflow-x: hidden;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.header {
  background: rgba(0, 0, 0, 0.6);
  padding: 1rem 0;
  border-bottom: 3px solid #e30613;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: #e30613;
}

.navbar a {
  margin: 0 1rem;
  color: #ccc;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s;
}

.navbar a:hover,
.navbar a.active {
  color: #e30613;
}

.section {
  background: rgba(0, 0, 0, 0.5);
  margin: 2rem 0;
  padding: 2rem;
  border-radius: 8px;
}

.cards-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.card {
  background: rgba(255, 255, 255, 0.1);
  padding: 1rem;
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.6);
  transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
  transform: scale(1.03);
  box-shadow: 0 0 20px #e30613;
}

.card img {
  width: 100px;
  height: 100px;
  object-fit: contain;
  margin-bottom: 0.5rem;
}

.card h3 {
  color: #e30613;
  margin: 0.5rem 0;
}

.card select,
.card button {
  margin: 0.5rem 0;
  padding: 0.5rem;
  border: none;
  border-radius: 6px;
  font-weight: 600;
}

.card select {
  border: 1px solid #e30613;
  color: #e30613;
  background: transparent;
}

.card button {
  background: #e30613;
  color: #fff;
  cursor: pointer;
}

.card button:hover {
  background: #b40410;
}

.btn-whatsapp {
  background: #25d366;
  color: #fff;
  padding: 0.8rem 1.2rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  display: inline-block;
  margin-top: 1rem;
}

.cart-btn-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: #e30613;
  color: #fff;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  font-size: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  z-index: 1000;
}

.cart-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 320px;
  height: 100vh;
  background: #111;
  transform: translateX(110%);
  transition: transform 0.3s;
  z-index: 1001;
  padding: 1rem;
  overflow-y: auto;
}

.cart-panel.open {
  transform: translateX(0);
}

.cart-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0, 0, 0, 0.6);
  display: none;
  z-index: 1000;
}

.cart-bg.open {
  display: block;
}

.cart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.cart-items div {
  padding: 0.5rem 0;
  border-bottom: 1px solid #333;
}

.btn-pay {
  width: 100%;
  background: #25d366;
  color: #fff;
  padding: 0.8rem;
  border: none;
  border-radius: 6px;
  margin-top: 1rem;
  font-weight: 600;
  cursor: pointer;
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 2000;
}

.modal-content {
  background: #222;
  padding: 2rem;
  border-radius: 8px;
  position: relative;
  width: 320px;
  color: #fff;
}

.modal-close {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  cursor: pointer;
  color: #e30613;
  font-size: 1.2rem;
}

.modal-content input {
  width: 100%;
  padding: 0.6rem;
  margin: 0.5rem 0;
  border: 1px solid #555;
  border-radius: 6px;
  background: #333;
  color: #fff;
}

.modal-content .btn {
  background: #e30613;
  color: #fff;
  padding: 0.6rem;
  border: none;
  border-radius: 6px;
  width: 100%;
  font-weight: 600;
  cursor: pointer;
  margin-top: 0.5rem;
}

.modal-content #toggle-auth {
  margin-top: 0.8rem;
  font-size: 0.9rem;
}

.footer {
  padding: 1.5rem 0;
  text-align: center;
  font-size: 0.9rem;
  margin-top: 1rem;
  color: #ccc;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  color: #eee;
}

th, td {
  padding: 0.8rem;
  text-align: left;
  border-bottom: 1px solid #444;
}

th {
  background: rgba(255, 255, 255, 0.1);
  font-weight: 600;
}

td {
  background: rgba(255, 255, 255, 0.05);
}

.button-small {
  padding: 0.3rem 0.6rem;
  font-size: 0.9rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.button-complete {
  background: #25d366;
  color: #fff;
}

.button-complete:hover {
  background: #1fa354;
}