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

body {
  font-family: "Segoe UI", sans-serif;
  background-color: #f2f2f2;
  padding: 20px;
}

.container {
  display: flex;
  flex-direction: row;
  justify-content: center;
  gap: 20px;
  max-width: 1000px;
  margin: auto;
  background: white;
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  flex-wrap: wrap;
}

/* Left Column: Form + Summary */
.left-panel {
  flex: 1;
  min-width: 300px;
}

/* Right Column: Expenses */
.right-panel {
  flex: 1;
  min-width: 300px;
}

h1 {
  color: #333;
}

.subtitle {
  color: #666;
  margin-bottom: 1.5rem;
}

form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

input, select, button {
  padding: 10px;
  font-size: 1rem;
  border-radius: 5px;
  border: 1px solid #ccc;
}

button {
  background-color: #28a745;
  color: white;
  font-weight: bold;
  border: none;
  cursor: pointer;
}

button:hover {
  background-color: #218838;
}

.summary {
  margin-top: 20px;
  padding: 15px;
  background: #f9f9f9;
  border-left: 5px solid #28a745;
  border-radius: 5px;
}

.right-panel h3 {
  margin-top: 10px;
}

ul {
  list-style-type: none;
  margin-top: 15px;
  padding-left: 0;
}

ul li {
  background: #eee;
  padding: 10px;
  border-radius: 5px;
  margin-bottom: 8px;
  font-size: 0.95rem;
}
.delete-btn {
  background-color: #dc3545;
  color: white;
  border: none;
  padding: 5px 8px;
  border-radius: 4px;
  cursor: pointer;
  float: right;
  font-size: 0.8rem;
}

.delete-btn:hover {
  background-color: #b02a37;
}
.clear-btn {
  background-color: #ff6600;
  color: white;
  border: none;
  padding: 8px 14px;
  border-radius: 5px;
  cursor: pointer;
  margin-bottom: 15px;
  font-weight: bold;
}

.clear-btn:hover {
  background-color: #cc5200;
}