@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&display=swap');
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Poppins', sans-serif; }
body { background: linear-gradient(135deg, black 0%, #2c0a4e 100%); min-height: 100vh; padding: 20px; color: #333; }
.container { max-width: 650px; margin: 0 auto; background: rgba(255,255,255,0.15); backdrop-filter: blur(20px); border-radius: 20px; padding: 25px; box-shadow: 0 8px 32px rgba(0,0,0,0.2); border: 1px solid rgba(255,255,255,0.2); }
h1 { text-align: center; color: white; font-weight: 800; }
h1 span { font-size: 14px; display: block; opacity: 0.9; }
.tagline { text-align: center; color: white; font-size: 12px; margin-bottom: 20px; opacity: 0.8; }
.card { background: rgba(255,255,255,0.95); padding: 20px; border-radius: 15px; margin-top: 15px; box-shadow: 0 4px 15px rgba(0,0,0,0.1); }
.card h3 { margin-bottom: 12px; color: #764ba2; }
.input-group { display: flex; gap: 10px; margin-bottom: 15px; }
input { flex: 1; padding: 12px; border: 2px solid #ddd; border-radius: 10px; font-size: 15px; }
input:focus { outline: none; border-color: #667eea; }
button { padding: 12px 18px; border: none; border-radius: 10px; font-size: 15px; font-weight: 600; cursor: pointer; background: #FFD93D; color: #333; transition: 0.3s; }
button:hover { transform: translateY(-2px); background: #FFC107; }
.btn-full { width: 100%; }
.btn-danger { background: #ff4d4d; color: white; margin-top: 10px; width: 100%; }
.tags span { background: #667eea; color: white; padding: 6px 12px; border-radius: 20px; margin: 4px; display: inline-block; font-size: 13px; }
.expense-item { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px dashed #ccc; font-size: 14px; }
.settle { background: rgb(98, 0, 255); color: white; padding: 10px 12px; border-radius: 10px; font-size: 14px; margin-top: 8px; display: flex; justify-content: space-between; align-items: center; }
.upi-link { text-decoration: none; color: #fff; background: rgb(8, 158, 15); padding: 6px 12px; border-radius: 8px; font-size: 12px; font-weight: 600; }
footer { text-align: center; color: white; margin-top: 20px; font-size: 12px; opacity: 0.8; }
.add-expense-row {
  display: flex;
  gap: 10px;
  flex-wrap:wrap;
  margin-bottom: 10px;
}
.add-expense-row input {
  flex:1:
  min-width: 120px;
  box-sizing: border-box;
}
@media (max-width: 600px) {
  .add-expense-row {
    min-width:100%;
  }
}