:root {
  --primary-color: #4361ee;
  --secondary-color: #3f37c9;
  --success-color: #4cc9f0;
  --danger-color: #f72585;
  --warning-color: #f8961e;
  --info-color: #4361ee;
  --light-bg: #f8f9fa;
  --dark-bg: #121826;
  --light-text: #333;
  --dark-text: #f1f3f9;
  --card-bg: #ffffff;
  --card-shadow: rgba(0, 0, 0, 0.1);
  --border-color: #e0e0e0;
  --sidebar-width: 250px;
  --header-height: 70px;
  --transition: all 0.3s ease;
}

[data-theme="dark"] {
  --light-bg: #0f172a;
  --dark-bg: #0f172a;
  --light-text: #f1f3f9;
  --dark-text: #f1f3f9;
  --card-bg: #1e293b;
  --card-shadow: rgba(0, 0, 0, 0.3);
  --border-color: #334155;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--light-bg);
  color: var(--light-text);
  transition: var(--transition);
  height: 100vh;
  overflow-x: hidden;
}

/* Sidebar Styles */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background-color: var(--dark-bg);
  color: var(--dark-text);
  z-index: 100;
  transition: var(--transition);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.sidebar .logo {
  padding: 20px 15px;
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.sidebar .logo h2 {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar .nav-links {
  list-style: none;
  padding: 15px 0;
  flex: 1;
  overflow-y: auto;
  margin: 0;
}

.sidebar .nav-links li {
  padding: 10px 15px;
  border-left: 3px solid transparent;
  transition: var(--transition);
}

.sidebar .nav-links li:hover {
  background-color: rgba(67, 97, 238, 0.1);
}

.sidebar .nav-links li.active {
  background-color: rgba(67, 97, 238, 0.2);
  border-left: 3px solid var(--primary-color);
}

.sidebar .nav-links a {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--dark-text);
  font-weight: 500;
  transition: var(--transition);
}

.sidebar .nav-links a:hover {
  color: var(--primary-color);
}

/* Main Content */
.main-content {
  margin-left: var(--sidebar-width);
  padding: 20px;
  min-height: 100vh;
  transition: var(--transition);
}

/* Header */
header {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

header h1 {
  font-size: 1.8rem;
  color: var(--light-text);
}

.theme-toggle button {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--light-text);
  transition: var(--transition);
}

.theme-toggle button:hover {
  background: var(--primary-color);
  color: white;
}

/* Page Styles */
.page {
  display: none;
  padding: 20px;
}

.page.active {
  display: block;
  animation: fadeIn 0.5s ease;
}

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

/* Summary Cards */
.summary-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.card {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 4px 12px var(--card-shadow);
  display: flex;
  align-items: center;
  transition: var(--transition);
  min-height: 100px;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 16px var(--card-shadow);
}

.card-icon {
  width: 60px;
  height: 60px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 15px;
  font-size: 1.5rem;
  color: white;
  flex-shrink: 0;
}

.bg-green {
  background: linear-gradient(135deg, #4ade80, #22c55e);
}

.bg-red {
  background: linear-gradient(135deg, #f87171, #ef4444);
}

.bg-blue {
  background: linear-gradient(135deg, #60a5fa, #3b82f6);
}

.bg-purple {
  background: linear-gradient(135deg, #a78bfa, #8b5cf6);
}

.card-content {
  flex: 1;
  min-width: 0;
}

.card-content h3 {
  font-size: 0.9rem;
  color: var(--light-text);
  margin-bottom: 8px;
  opacity: 0.8;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-content p {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--light-text);
  margin: 0;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Charts */
.charts-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.chart-card {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 4px 12px var(--card-shadow);
}

.chart-card h3 {
  margin-bottom: 15px;
  color: var(--light-text);
}

.chart-wrapper {
  position: relative;
  width: 100%;
  height: 300px;
  overflow: hidden;
}

.chart-wrapper canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100% !important;
  height: 100% !important;
}

/* Transactions Page */
.transactions-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.transactions-header h2 {
  color: var(--light-text);
}

.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary {
  background: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background: var(--secondary-color);
}

.btn-secondary {
  background: var(--light-bg);
  color: var(--light-text);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--border-color);
}

/* Filters */
.filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 15px;
  margin-bottom: 20px;
  padding: 15px;
  background: var(--card-bg);
  border-radius: 12px;
  box-shadow: 0 4px 12px var(--card-shadow);
}

.filter-group {
  display: flex;
  flex-direction: column;
}

.filter-group label {
  margin-bottom: 5px;
  font-weight: 500;
  color: var(--light-text);
}

.filter-group input,
.filter-group select {
  padding: 10px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--card-bg);
  color: var(--light-text);
}

/* Table */
.table-container {
  background: var(--card-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 12px var(--card-shadow);
}

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

table th,
table td {
  padding: 15px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

table th {
  background-color: rgba(67, 97, 238, 0.1);
  color: var(--light-text);
  font-weight: 600;
}

table tr:hover {
  background-color: rgba(67, 97, 238, 0.05);
}

.status-entrada {
  color: #22c55e;
  font-weight: bold;
}

.status-saida {
  color: #ef4444;
  font-weight: bold;
}

.action-btn {
  background: none;
  border: none;
  cursor: pointer;
  margin: 0 5px;
  font-size: 1rem;
  transition: var(--transition);
  min-width: 32px;
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.action-btn.edit {
  color: var(--info-color);
}

.action-btn.delete {
  color: var(--danger-color);
}

.action-btn:hover {
  transform: scale(1.1);
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 200;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  animation: fadeIn 0.3s ease;
}

.modal-content {
  background-color: var(--card-bg);
  margin: 5% auto;
  padding: 0;
  border-radius: 12px;
  width: 90%;
  max-width: 500px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from { transform: translateY(-50px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal-header {
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  color: var(--light-text);
}

.close {
  font-size: 1.5rem;
  font-weight: bold;
  cursor: pointer;
  color: var(--light-text);
}

.close:hover {
  color: var(--danger-color);
}

.modal-body {
  padding: 20px;
}

.form-group {
  margin-bottom: 15px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
  color: var(--light-text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--card-bg);
  color: var(--light-text);
  font-size: 1rem;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

/* Settings */
.settings-container {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 4px 12px var(--card-shadow);
}

.setting-group {
  margin-bottom: 30px;
}

.setting-group h3 {
  margin-bottom: 15px;
  color: var(--light-text);
}

.input-group {
  display: flex;
  flex-direction: column;
}

.input-group label {
  margin-bottom: 5px;
  font-weight: 500;
  color: var(--light-text);
}

.input-group input {
  padding: 10px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--card-bg);
  color: var(--light-text);
}

.input-group input[type="checkbox"] {
  width: auto;
  margin-right: 10px;
}

.export-section {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  margin-top: 50px !important;
  padding: 25px !important;
  background: var(--card-bg);
  border-radius: 12px;
  box-shadow: 0 4px 12px var(--card-shadow);
}

#reports .chart-card {
  margin-bottom: 40px;
}

/* Rodapé da sidebar */
.sidebar-footer {
  position: relative;
  padding: 20px 15px;
  border-top: 1px solid var(--border-color);
  background: var(--dark-bg);
  flex-shrink: 0;
}

/* Botão Sair com estilo diferenciado */
.sidebar-footer .nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--dark-text);
  font-weight: 500;
  transition: var(--transition);
  padding: 12px 15px;
  border-radius: 8px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  width: 100%;
}

.sidebar-footer .nav-link:hover {
  background: #ef4444;
  color: white;
  transform: translateX(4px);
}

.sidebar-footer .nav-link i {
  width: 18px;
  text-align: center;
}

/* Notification */
.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 15px 20px;
  border-radius: 8px;
  color: white;
  font-weight: 500;
  z-index: 300;
  transform: translateX(120%);
  transition: transform 0.3s ease;
  display: flex;
  align-items: center;
  gap: 10px;
}

.notification.show {
  transform: translateX(0);
}

.notification.success {
  background: #22c55e;
}

.notification.error {
  background: #ef4444;
}

.notification.warning {
  background: #f59e0b;
}

/* Menu Hamburguer para Mobile */
.menu-toggle {
  display: none;
  position: fixed;
  top: 15px;
  left: 15px;
  z-index: 1001;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 8px;
  width: 45px;
  height: 45px;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.mobile-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
}

/* Responsive Design */
@media (max-width: 1200px) {
  .charts-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 992px) {
  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    width: 280px;
    z-index: 1000;
  }
  
  .sidebar.mobile-open {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
    padding: 20px;
    padding-top: 80px;
  }
  
  header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--card-bg);
    z-index: 1000;
    padding: 15px 20px;
    margin-bottom: 0;
    height: 70px;
    box-shadow: 0 2px 10px var(--card-shadow);
  }
  
  .header-content h1 {
    font-size: 1.4rem;
    margin-left: 60px;
    margin-top: 0;
  }
  
  .theme-toggle {
    z-index: 1001;
  }
  
  .sidebar .logo h2 span,
  .sidebar .nav-links a span {
    display: block;
  }
  
  .sidebar .logo h2 {
    justify-content: flex-start;
  }
  
  .sidebar .nav-links a {
    justify-content: flex-start;
  }
  
  .sidebar-footer .nav-link span {
    display: block;
  }
  
  .sidebar-footer .nav-link {
    justify-content: flex-start;
  }
  
  .charts-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .page {
    padding: 15px 10px;
  }
  
  .summary-cards {
    grid-template-columns: 1fr;
    gap: 15px;
    margin-bottom: 25px;
  }
  
  .card {
    padding: 20px;
    flex-direction: row;
    align-items: center;
    text-align: left;
    min-height: 90px;
  }
  
  .card-icon {
    width: 50px;
    height: 50px;
    font-size: 1.2rem;
    margin-right: 15px;
    margin-bottom: 0;
    flex-shrink: 0;
  }
  
  .card-content h3 {
    font-size: 0.85rem;
    margin-bottom: 8px;
  }
  
  .card-content p {
    font-size: 1.4rem;
  }
  
  .charts-container {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  
  .chart-card {
    padding: 15px;
  }
  
  .chart-wrapper {
    height: 250px;
  }
  
  .transactions-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
  }
  
  .filters {
    grid-template-columns: 1fr;
    padding: 15px;
    gap: 12px;
  }
  
  .table-container {
    overflow-x: auto;
  }
  
  table {
    min-width: 600px;
  }
  
  table th, table td {
    padding: 12px 10px;
    font-size: 0.9rem;
  }
  
  .modal-content {
    width: 95%;
    margin: 10% auto;
  }
  
  .form-actions {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
    padding: 12px;
  }
  
  .export-section {
    flex-direction: column;
  }
  
  .settings-container {
    padding: 15px;
  }
  
  .sidebar-footer {
    padding: 15px;
  }
  
  .sidebar-footer .nav-link span {
    display: block;
  }
}

@media (max-width: 480px) {
  .main-content {
    padding: 10px 5px;
    padding-top: 75px;
  }
  
  .page {
    padding: 10px 5px;
  }
  
  .menu-toggle {
    top: 12px;
    left: 12px;
    width: 40px;
    height: 40px;
  }
  
  .header-content h1 {
    font-size: 1.2rem;
    margin-left: 55px;
  }
  
  header {
    padding: 12px 15px;
    height: 65px;
  }
  
  .card {
    padding: 18px 15px;
    min-height: 85px;
  }
  
  .card-icon {
    width: 45px;
    height: 45px;
    font-size: 1.1rem;
    margin-right: 12px;
  }
  
  .card-content h3 {
    font-size: 0.8rem;
    margin-bottom: 6px;
  }
  
  .card-content p {
    font-size: 1.3rem;
  }
  
  .chart-wrapper {
    height: 200px;
  }
  
  .modal-content {
    width: 98%;
    margin: 5% auto;
  }
  
  .modal-body {
    padding: 15px;
  }
  
  .action-btn {
    margin: 0 3px;
    font-size: 0.9rem;
  }
  
  .sidebar {
    width: 100%;
  }
  
  .sidebar-footer {
    padding: 15px 10px;
  }
  
  .btn {
    min-height: 44px;
  }
}

/* Melhorias de acessibilidade para toque */
@media (hover: none) and (pointer: coarse) {
  .btn, .action-btn, .nav-links a, .theme-toggle button {
    min-height: 44px;
    min-width: 44px;
  }
  
  .filter-group input, 
  .filter-group select,
  .form-group input,
  .form-group select,
  .form-group textarea {
    font-size: 16px;
    padding: 12px 10px;
  }
  
  table th, table td {
    padding: 15px 10px;
  }
  
  .card:hover {
    transform: none;
  }
}

/* Estados de interação */
.btn:active, .action-btn:active {
  transform: scale(0.98);
  transition: transform 0.1s;
}

.menu-toggle:focus,
.btn:focus,
.action-btn:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Estados hover para desktop */
@media (hover: hover) {
  .menu-toggle:hover {
    background: var(--secondary-color);
    transform: scale(1.05);
  }
}

/* Estados ativos para mobile */
.menu-toggle:active {
  transform: scale(0.95);
}

/* Redução de movimento para acessibilidade */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .card:hover {
    transform: none;
  }
}