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

body {
  font-family: 'Poppins', sans-serif;
  background: linear-gradient(135deg, #0f172a, #1e293b);
  color: #fff;
  padding: 20px;
}

.container {
  max-width: 1100px;
  margin: auto;
}

.header {
  text-align: center;
}

.subtitle {
  font-size: 14px;
  color: #aaa;
}

#balance {
  font-size: 30px;
  margin-top: 10px;
}

.inc-exp-container {
  display: flex;
  gap: 10px;
  margin: 20px 0;
}

.inc-exp-container div {
  flex: 1;
  background: rgba(255,255,255,0.08);
  padding: 15px;
  border-radius: 10px;
  text-align: center;
}

.money.plus { color: #00ff88; }
.money.minus { color: #ff4d4d; }

.dashboard {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.history, .form-container, .charts, .alarm-section {
  background: rgba(255,255,255,0.05);
  padding: 15px;
  border-radius: 10px;
}

.charts {
  grid-column: span 2;
}

.list {
  list-style: none;
  max-height: 250px;
  overflow-y: auto;
}

.list li {
  background: rgba(255,255,255,0.08);
  padding: 8px;
  margin-bottom: 6px;
  display: flex;
  justify-content: space-between;
}

.list li.plus { border-left: 4px solid #00ff88; }
.list li.minus { border-left: 4px solid #ff4d4d; }

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

input {
  padding: 10px;
  border-radius: 6px;
  border: none;
}

.btn {
  padding: 10px;
  background: #3b82f6;
  border: none;
  color: white;
  cursor: pointer;
}

.alarm-input {
  display: flex;
  gap: 10px;
  margin-bottom: 10px;
}

.alarm-list {
  list-style: none;
}

.alarm-list li {
  display: flex;
  justify-content: space-between;
  background: rgba(255,255,255,0.08);
  padding: 8px;
  margin-bottom: 5px;
}

canvas {
  margin-top: 15px;
}

@media (max-width: 768px) {
  .dashboard {
    grid-template-columns: 1fr;
  }
}