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

body{
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  background-color: #f8fafc;
  color: #1e293b;
  line-height: 1.5;
}

/* header */

.header{
  background: white;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid #e3e8f0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header h1{
  font-size: 1.5rem;
  font-weight: 600;
  color: #1e293b;
}

.header-controls{
  display: flex;
  gap: 1rem;
  align-items: center;
}

.dropdown{
  position: relative;
  background: white;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  cursor: pointer;
}

.date-picker{
  background: white;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.export-btn{
  background: #ea580c;
  color: white;
  border: none;
  border-radius: 8px;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* main content */

.main-content{
  padding: 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.dashboard-grid{
  display: grid;
  grid-template-columns: 1fr 1fr 350px;
  gap: 2rem;
  margin-bottom: 2rem;
}

.card{
  background-color: white;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  transition: all 0.3s ease;
  cursor: pointer;
}

.card:hover{
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.card-header{
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.card-title{
  font-size: 1rem;
  font-weight: 600;
  color: #374151;
}

.card-menu{
  background: none;
  border: none;
  color: #9ca3af;
  cursor: pointer;
  padding: 0.25rem;
}

.amount{
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.income-amount{
  color: #1e293b;
}

.expense-amount{
  color: #1e293b;
}

.change{
  font-size: 0.875rem;
  color: #10b981;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.my-card{
  background: linear-gradient(135deg, #059669 0%, #10b981 100%);
  color: white;
  position: relative;
  overflow: hidden;
}

.card-chip{
  width: 32px;
  height: 24px;
  background: #fbbf24;
  border-radius: 4px;
  margin-bottom: 2rem;
  position: relative;
}

.card-chip::after{
  content: '';
  position: absolute;
  top: 4px;
  left: 4px;
  right: 4px;
  bottom: 4px;
  background: #92400e;
  border-radius: 2px;
}

.card-number{
  font-size: 1.25rem;
  letter-spacing: 0.1rem;
  margin-bottom: 1rem;
  font-family: 'Courier New', Courier, monospace;
}

.card-holder{
  font-size: 0.875rem;
  opacity: 0.9;
}

.card-logo{
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  display: flex;
  gap: -8px;
}

.card-logo-circle{
  width: 24px;
  height: 24px;
  border-radius: 50%;
}

.logo-red{
  background: #ef4444;
}

.logo-orange{
  background: #f59e0b;
  margin-left: -8px;
}

.spending-section{
  margin-top: 2rem;
}

.spending-limit{
  font-size: 1.25rem;
  font-weight: 700;
  color: #1e293b;
}

.spending-used{
  font-size: 0.875rem;
  color: #6b7280;
  margin-bottom: 0.5rem;
}

.progress-bar{
  height: 6px;
  background: #f3f4f6;
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill{
  height: 100%;
  background: #ea580c;
  width: 37%;
  border-radius: 3px;
}

/* overview */
.chart-section{
  grid-column: 1/-1;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
}

.chart-container{
  height: 300px;
  position: relative;
  display: flex;
  align-items: end;
  justify-content: space-between;
  padding: 1rem;
  background: #f8fafc;
  border-radius: 8px;
  margin-top: 1rem;
}

.chart-bar{
  width: 40px;
  background: #e5e7eb;
  border-radius: 4px 4px 0 0;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: end;
}

.chart-bar.active{
  background: linear-gradient(to top, #ea580c, #fb923c);
}

.chart-bar-income{
  background: #10b981;
  margin-bottom: 4px;
  border-radius: 4px;
}

.chart-labels{
  display: flex;
  justify-content: space-between;
  margin-top: 1rem;
  font-size: 0.75rem;
  color: #6b7280;
}

.expenses-breakdown{
  margin-top: 1rem;
}

.total-expenses{
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.period-tabs{
  display: flex;
  gap: 2rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
}

.period-tab{
  color: #6b7280;
  cursor: pointer;
}

.period-tab.active{
  color: #1e293b;
  font-weight: 600;
}

.period-amounts{
  display: flex;
  justify-content: space-between;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  color: #6b7280;
}

.period-values{
  display: flex;
  justify-content: space-between;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.color-bar{
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(to right, #ea580c, #f59e0b, #eab308, #10b981);
  margin-bottom: 1rem;
}

.expense-categories{list-style: none;}

.expense-category{
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid #f3f4f6;
}

.category-info{
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.category-dot{
  width: 8px;
  height: 8px;
  border-radius: 4px;
  gap: 0.5rem;
}

.dot-food{background: #ea580c;}
.dot-entertainment{background: #f59e0b;}
.dot-shopping{background: #eab308;}
.dot-investment{background: #10b981;}

.transactions-section{
  grid-column: 1/-1;
  margin-top: 2rem;
}

.section-header{
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.filters{
  display: flex;
  gap: 1rem;
}

.filter-btn{
  background: white;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.transactions-table{
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

.transactions-table th{
  text-align: left;
  padding: 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #6b7280;
  border-bottom: 1px solid #e5e7eb;
}

.transactions-table th i{
  margin-left: 8px;
}

.transactions-table td{
  padding: 1rem;
  border-bottom: 1px solid #f3f4f6;
}

.status-success{
  background: #dcfce7;
  color: #16a34a;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
}

.action-btn{
  background: none;
  border: none;
  color: #6b7280;
  cursor: pointer;
  padding: 0.25rem;
}

/* modal styles */

.modal{
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  z-index: 1000;
  animation: fadeIn 0.3s ease;
}

.modal-content{
  background: white;
  border-radius: 12px;
  width: 500px;
  max-width: 90vw;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: slideIn 0.3s ease;
}

.modal-header{
  padding: 1.5rem;
  border-bottom: 1px solid #e5e7eb;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title{
  font-size: 1.25rem;
  font-weight: 600;
}

.close-btn{
  background: none;
  border: none;
  font-size: 1.5rem;
  color: #6b7280;
  cursor: pointer;
  padding: 0.25rem;
}

.modal-body{
  padding: 1.5rem;
}

.modal-group{
  padding: 1.5rem;
}

.form-group{
  margin-bottom: 1rem;
}

.form-label{
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: #374151;
}

.form-input{
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  font-size: 1rem;
}

.form-select{
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  font-size: 1rem;
  background: white;
}

.modal-footer{
  padding: 1.5rem;
  border-top: 1px solid #e5e7eb;
  display: flex;
  justify-content: end;
  gap: 1rem;
}

.btn{
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
}

.btn-primary{
  background: #3b82f6;
  color: white;
}

.btn-secondary{
  background: #f3f4f6;
  color: #374151;
}

.add-buttons{
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.fab{
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.fab-income{
  background: #10b981;
}

.fab-expense{
  background: #ef4444;
}

@keyframes fadeIn{
  from {opacity: 0;}
  to {opacity: 1;}
}

@keyframes slideIn{
  from {transform: translate(-50%, -60%); opacity: 0;}
  to {transform: translate(-50%, -50%); opacity: 1;}
}

@media (max-width: 1200px){
  .dashboard-grid{
    grid-template-columns: 1fr 1fr;
  }
  .chart-section{
    grid-template-columns: 1fr;
  }
}

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