@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

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

html {
  scroll-behavior: smooth;
}

body {
  background: #0d0d0d;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  padding: 20px;
  color: #e3e3e3;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  margin: 30px auto;
  width: 100%;
  max-width: 500px;
  background: #1a1a1a;
  border: 1px solid #2d2d2d;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  transition: all 0.3s ease;
}

.user-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 25px;
  flex-wrap: wrap;
  gap: 15px;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-name {
  color: #e3e3e3;
  font-weight: 500;
  font-size: 14px;
  background: #2d2d2d;
  padding: 8px 15px;
  border-radius: 8px;
  transition: background 0.2s;
}

.user-name:hover {
  background: #3d3d3d;
}

.monthly-view-btn {
  background: #2d2d2d;
  color: #e3e3e3;
  border: 1px solid #3d3d3d;
  padding: 10px 20px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 15px;
  font-weight: 500;
  font-family: 'Inter', sans-serif;
}

.monthly-view-btn i {
  font-size: 18px;
  transition: transform 0.3s ease;
}

.monthly-view-btn:hover {
  background: #3d3d3d;
  border-color: #4d4d4d;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.monthly-view-btn:hover i {
  transform: scale(1.1);
}

.monthly-view-btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.logout-btn {
  background: #2d2d2d;
  color: #e3e3e3;
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}

.logout-btn:hover {
  background: #ef4444;
  color: white;
}

h1 {
  letter-spacing: -0.5px;
  margin: 0;
  color: #ffffff;
  font-size: 28px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

h3 {
  border-bottom: 1px solid #2d2d2d;
  padding-bottom: 10px;
  margin: 25px 0 15px;
  color: #ffffff;
  font-size: 18px;
  font-weight: 600;
}

h4 {
  margin: 0;
  text-transform: uppercase;
  color: #9ca3af;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
}

.inc-exp-container {
  background: #212121;
  border: 1px solid #2d2d2d;
  border-radius: 12px;
  padding: 25px;
  display: flex;
  justify-content: space-between;
  margin: 20px 0;
  transition: all 0.3s ease;
}

.inc-exp-container:hover {
  border-color: #3d3d3d;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transform: translateY(-2px);
}

.inc-exp-container > div {
  flex: 1;
  text-align: center;
}

.inc-exp-container > div:first-of-type {
  border-right: 1px solid #2d2d2d;
}

.money {
  font-size: 24px;
  letter-spacing: -0.5px;
  margin: 8px 0;
  font-weight: 700;
}

.money.plus {
  color: #10b981;
}

.money.minus {
  color: #ef4444;
}

label {
  display: block;
  margin: 8px 0 5px;
  color: #e3e3e3;
  font-weight: 500;
  font-size: 14px;
}

input[type='text'],
input[type='number'],
input[type='date'],
select {
  border: 1px solid #2d2d2d;
  background: #212121;
  color: #e3e3e3;
  border-radius: 8px;
  display: block;
  font-size: 15px;
  padding: 12px;
  width: 100%;
  outline: none;
  font-family: 'Inter', sans-serif;
  transition: all 0.3s ease;
}

input[type='number']::-webkit-inner-spin-button,
input[type='number']::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type='number'] {
  -moz-appearance: textfield;
  appearance: textfield;
}

/* Ensure amount input has consistent styling */
#amount {
  text-align: left;
}

input[type='text']:focus,
input[type='number']:focus,
input[type='date']:focus,
select:focus {
  border-color: #3b82f6;
  background: #2a2a2a;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
  transform: translateY(-1px);
}

input::placeholder {
  color: #6b7280;
}

select option {
  background: #212121;
  color: #e3e3e3;
}

.btn {
  cursor: pointer;
  background: #3b82f6;
  color: white;
  border: none;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 600;
  margin: 20px 0 10px;
  padding: 14px;
  width: 100%;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-family: 'Inter', sans-serif;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn:hover {
  background: #2563eb;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.list {
  list-style-type: none;
  padding: 0;
  margin-bottom: 20px;
  max-height: 400px;
  overflow-y: auto;
}

.list::-webkit-scrollbar {
  width: 6px;
}

.list::-webkit-scrollbar-track {
  background: #212121;
}

.list::-webkit-scrollbar-thumb {
  background: #4d4d4d;
  border-radius: 3px;
}

.list::-webkit-scrollbar-thumb:hover {
  background: #5d5d5d;
}

.list li {
  background-color: #212121;
  border: 1px solid #2d2d2d;
  border-radius: 8px;
  color: #e3e3e3;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  padding: 15px;
  margin: 10px 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  animation: slideIn 0.4s ease;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.list li:hover {
  background-color: #2a2a2a;
  border-color: #3d3d3d;
  transform: translateX(5px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.list li.plus {
  border-left: 3px solid #10b981;
}

.list li.minus {
  border-left: 3px solid #ef4444;
}

.transaction-details {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.transaction-main {
  display: flex;
  align-items: center;
  gap: 10px;
}

.transaction-category {
  background: #2d2d2d;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  color: #9ca3af;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.transaction-text {
  font-size: 15px;
  font-weight: 500;
  color: #e3e3e3;
}

.transaction-date {
  font-size: 12px;
  color: #6b7280;
  margin-left: 5px;
}

.transaction-amount {
  display: flex;
  align-items: center;
  gap: 10px;
}

.amount-value {
  font-size: 18px;
  font-weight: 700;
  min-width: 80px;
  text-align: right;
}

.delete-btn {
  cursor: pointer;
  background-color: #2d2d2d;
  border: none;
  color: #9ca3af;
  font-size: 14px;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.delete-btn:hover {
  background-color: #ef4444;
  color: white;
}

.balance {
  text-align: center;
  margin: 20px 0;
  padding: 0;
  background: transparent;
  border: none;
}

.balance h3 {
  color: #9ca3af;
  border: none;
  margin: 0;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

.balance h2 {
  margin: 10px 0 0;
  color: #ffffff;
  font-size: 36px;
  font-weight: 700;
  transition: transform 0.3s ease;
}

.balance h2:hover {
  transform: scale(1.05);
}

.form-control {
  margin: 12px 0;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

.controls {
  margin-bottom: 20px;
}

.search-box {
  position: relative;
  margin-bottom: 15px;
}

.search-box input {
  padding-right: 40px;
}

.search-box i {
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: #6b7280;
}

.filter-buttons {
  display: flex;
  gap: 10px;
  justify-content: center;
}

.filter-btn {
  padding: 8px 20px;
  border: 1px solid #2d2d2d;
  background: #212121;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: #9ca3af;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-family: 'Inter', sans-serif;
}

.filter-btn:hover {
  background: #2a2a2a;
  border-color: #3d3d3d;
  color: #e3e3e3;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.filter-btn.active {
  background: #3b82f6;
  color: white;
  border-color: #3b82f6;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.statistics {
  margin: 20px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  margin-top: 15px;
}

.stat-card {
  background: #212121;
  border: 1px solid #2d2d2d;
  border-radius: 12px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 15px;
  transition: all 0.3s ease;
  cursor: pointer;
}

.stat-card:hover {
  border-color: #3d3d3d;
  background: #2a2a2a;
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.stat-card:hover i {
  transform: scale(1.1) rotate(5deg);
}

.stat-card i {
  transition: transform 0.3s ease;
}

.stat-card i {
  font-size: 28px;
  color: #3b82f6;
}

.stat-label {
  font-size: 12px;
  color: #9ca3af;
  margin-bottom: 5px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-value {
  font-size: 20px;
  font-weight: 700;
  color: #e3e3e3;
}

.history-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 25px 0 15px;
}

.history-header h3 {
  margin: 0;
  border: none;
  padding: 0;
}

.history-actions {
  display: flex;
  gap: 10px;
}

.icon-btn {
  background: #2d2d2d;
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
  color: #9ca3af;
}

.icon-btn:hover {
  background: #3d3d3d;
  color: #e3e3e3;
}

.no-transactions {
  text-align: center;
  color: #6b7280;
  padding: 40px 20px;
  font-size: 16px;
}

.view-more-btn {
  width: 100%;
  padding: 12px;
  margin: 15px 0;
  background: #212121;
  border: 1px solid #2d2d2d;
  border-radius: 8px;
  color: #9ca3af;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s;
  font-family: 'Inter', sans-serif;
}

.view-more-btn:hover {
  background: #2a2a2a;
  border-color: #3d3d3d;
  color: #e3e3e3;
}

.view-more-btn i {
  font-size: 12px;
}

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(13, 13, 13, 0.98);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  gap: 20px;
}

.loading-overlay {
  opacity: 1;
  transition: opacity 0.3s;
}
.loading-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid #2d2d2d;
  border-top-color: #3b82f6;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.loading-overlay p {
  color: #e3e3e3;
  font-size: 16px;
  font-weight: 500;
  font-family: 'Inter', sans-serif;
}

@media (max-width: 600px) {
  body {
    padding: 10px;
  }
  
  .container {
    padding: 15px;
    margin: 10px auto;
  }
  
  .user-header {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
  
  .user-header h1 {
    font-size: 20px;
    text-align: center;
  }
  
  .user-info {
    width: 100%;
    justify-content: space-between;
    flex-wrap: nowrap;
  }
  
  h1 {
    font-size: 24px;
  }
  
  .balance h2 {
    font-size: 28px;
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  
  .filter-buttons {
    flex-wrap: wrap;
  }
  
  .filter-btn {
    flex: 1;
    min-width: 80px;
  }
  
  .inc-exp-container {
    flex-direction: column;
    gap: 15px;
    padding: 20px;
  }
  
  .inc-exp-container > div:first-of-type {
    border-right: none;
    border-bottom: 1px solid #2d2d2d;
    padding-bottom: 15px;
  }
  
  .list li {
    padding: 12px;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  
  .transaction-amount {
    width: 100%;
    justify-content: space-between;
  }
  
  .amount-value {
    font-size: 16px;
  }
  
  .transaction-text {
    font-size: 14px;
  }
  
  .transaction-category {
    font-size: 10px;
    padding: 3px 8px;
  }
  
  .controls {
    gap: 10px;
  }
  
  .search-box {
    margin-bottom: 10px;
  }
  
  .btn {
    font-size: 14px;
    padding: 12px;
  }
  
  .icon-btn {
    width: 32px;
    height: 32px;
  }
  
  .logout-btn {
    width: 32px;
    height: 32px;
  }
  
  .user-name {
    font-size: 13px;
    padding: 6px 12px;
  }
  
  .monthly-view-btn {
    font-size: 13px;
    padding: 8px 15px;
  }
  
  .monthly-view-btn i {
    font-size: 16px;
  }
  
  .filter-btn {
    width: 100%;
  }
}

/* PWA Install Banner */
.install-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 15px 20px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  z-index: 9999;
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
  }
  to {
    transform: translateY(0);
  }
}

.install-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 15px;
}

.install-content > i {
  font-size: 32px;
  color: white;
}

.install-text {
  flex: 1;
}

.install-text strong {
  display: block;
  font-size: 16px;
  margin-bottom: 3px;
}

.install-text p {
  font-size: 13px;
  opacity: 0.9;
  margin: 0;
}

.install-btn-primary {
  background: white;
  color: #667eea;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
}

.install-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.install-btn-close {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.install-btn-close:hover {
  background: rgba(255, 255, 255, 0.3);
}

.install-app-btn {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.install-app-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.5);
}

.install-app-btn i {
  font-size: 18px;
}

/* Footer */
.app-footer {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid #2d2d2d;
  text-align: center;
}

.app-footer p {
  color: #888;
  font-size: 13px;
  margin: 0;
}

/* Mobile responsiveness for install banner */
@media (max-width: 600px) {
  .install-banner {
    padding: 12px 15px;
  }
  
  .install-content {
    gap: 10px;
  }
  
  .install-content > i {
    font-size: 24px;
  }
  
  .install-text strong {
    font-size: 14px;
  }
  
  .install-text p {
    font-size: 12px;
  }
  
  .install-btn-primary {
    padding: 8px 16px;
    font-size: 14px;
  }
  
  .install-btn-close {
    width: 32px;
    height: 32px;
  }
}