.viv-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.viv-card,
.viv-cart-wrapper,
.viv-single-add-cart {
  border: 1px solid #ddd;
  padding: 20px;
  border-radius: 10px;
  background: #fff;
}

.viv-add-cart-form,
.viv-form {
  display: grid;
  gap: 12px;
}

.viv-form input,
.viv-form textarea,
.viv-form select,
.viv-add-cart-form input {
  width: 100%;
  padding: 10px;
  box-sizing: border-box;
}

.viv-form small {
  display: block;
  margin-top: 4px;
  color: #555;
}

.viv-button {
  display: inline-block;
  padding: 12px 18px;
  border: 0;
  border-radius: 6px;
  cursor: pointer;
}

.viv-message {
  padding: 12px 14px;
  border-radius: 6px;
  margin: 0 0 18px;
}

.viv-success {
  background: #edf8ed;
}

.viv-error {
  background: #fdecec;
}

.viv-cart-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
}

.viv-cart-table th,
.viv-cart-table td {
  border: 1px solid #ddd;
  padding: 10px;
  text-align: left;
}

.viv-link-button {
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  text-decoration: underline;
}

.viv-period-box {
  border: 1px solid #ddd;
  padding: 20px;
  border-radius: 10px;
  background: #fff;
  margin-bottom: 24px;
}

.viv-inline-hint {
  margin: 0;
  font-size: 14px;
  color: #666;
}

.viv-add-cart-form button[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
}

.viv-card-image {
  margin-bottom: 14px;
}

.viv-card-image img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
}