* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background: linear-gradient(135deg, #e6f0ff, #f9f9f9);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
  display: flex;
  flex-direction: column;
}

.container {
  max-width: 420px;
  width: 100%;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0px 6px 18px rgba(0, 0, 0, 0.1);
  padding: 24px;
  text-align: center;
}

/* Header */
header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #1d2b53;
  margin-bottom: 8px;
}

header p {
  font-size: 0.9rem;
  color: #555;
  margin-bottom: 20px;
}

/* Card */
.card {
  text-align: left;
}

.label {
  font-size: 0.9rem;
  font-weight: 600;
  color: #333;
  margin-bottom: 6px;
  display: block;
}

.currency-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid #ddd;
  border-radius: 10px;
  padding: 8px 12px;
  margin-bottom: 20px;
  background: #fafafa;
}

.currency-select {
  display: flex;
  align-items: center;
  gap: 8px;
}

.currency-select img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
}

.currency-select select {
  border: none;
  outline: none;
  font-size: 0.95rem;
  background: transparent;
  font-weight: 600;
  cursor: pointer;
}

.currency-box input {
  border: none;
  outline: none;
  text-align: right;
  font-size: 1rem;
  font-weight: 600;
  width: 100px;
  background: transparent;
}
.swap {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 12px 0;
}

.swap button{
  border: none;
  outline: none;
  cursor: pointer;
  background: transparent;
}

.swap i {
  rotate: 90deg;
  font-size: 1.4rem;
  color: #fff;
  background: #2536d1;
  padding: 12px;
  border-radius: 50%;
  transition: transform 0.6s ease, background 0.3s;
}

.cardFooter {
  margin-top: 20px;
  text-align: center;
}

.cardFooter p {
  font-size: 0.85rem;
  color: #888;
}

.cardFooter span {
  display: block;
  margin-top: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  color: #111;
}
/* Footer */
footer.copyright {
  margin: 20px 0 10px 0;
  text-align: center;
  font-size: 0.8rem;
  color: #666;
  border-top: 1px solid #ddd;
  padding-top: 8px;
}


/* Responsive */
@media (max-width: 300px) {
  body{
    width: 80%;
    height: 50vh;
  }
  .currency-box {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .currency-box input {
    width: 100%;
    text-align: left;
  }

  .currency-select select {
    font-size: 0.9rem;
  }
}