body {
  font-family: 'Roboto', sans-serif;
  margin: 0;
  padding: 0;
  background: #f4f4f4;
  background-image: url('background.jpg');
  background-size: cover;
  background-attachment: fixed;
  transition: background-color 0.3s, color 0.3s;
}

body.dark-mode {
  background: #333;
  color: #fff;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 20px auto;
  overflow: hidden;
  padding: 20px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: background-color 0.3s, color 0.3s;
  border: 5px solid rgb(21, 20, 19);
}

.container.dark-mode {
  background: rgba(50, 50, 50, 0.9);
}

.image-container {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 20px;
}

form {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin-bottom: 20px;
}

input, button, select {
  padding: 10px;
  margin: 5px 0;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 1em;
  flex: 1;
  margin-right: 10px;
  border: 2px solid orange;
}

button {
  background: #333;
  color: #fff;
  cursor: pointer;
  border: none;
  padding: 10px 20px;
  flex: 0 0 auto;
}

button:hover {
  background: #555;
}

.expense-table {
  flex: 1;
  margin-top: 20px;
  overflow-y: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 10px;
  text-align: left;
  border-bottom: 1px solid #ddd;
}

th {
  background: #333;
  color: #fff;
}

th.dark-mode {
  background: #444;
}

td button {
  padding: 5px 10px;
  margin: 0 5px;
  border: none;
  border-radius: 3px;
  cursor: pointer;
}

td button.edit {
  background: #99f16a;
}

td button.delete {
  background: #049e02;
  color: #fff;
}

.total-amount {
  margin-top: 20px;
  font-size: 1.2em;
  background: #739d49;
  padding: 10px;
  border: 1px solid #282727;
  border-radius: 5px;
  display: inline-block;
}

.total-amount.dark-mode {
  background: #2e6830;
  border-color: #333;
}

#summary p {
  margin: 5px 0;
  font-size: 1em;
}

footer {
  text-align: center;
  margin-top: 20px;
  padding: 10px;
  background: #333;
  color: #fff;
  position: relative;
  bottom: 0;
  width: 100%;
}

footer p {
  margin: 0;
}

#expense-chart {
  max-width: 300px;
  max-height: 300px;
  width: 100%;
  height: auto;
  margin: auto;
}

.filter-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.filter-controls button, .filter-controls input, .filter-controls select {
  margin-bottom: 10px;
}

@media (max-width: 768px) {
  form {
    flex-direction: column;
  }

  input, button, select {
    flex: 1 1 100%;
    margin-right: 0;
  }

  .filter-controls {
    flex-direction: column;
  }
}