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

:root {
  --verde-principal: #4CAF50;
  --verde-escuro: #2E7D32;
  --verde-claro: #66BB6A;
  --verde-texto: #1B5E20;
  --branco: #FFFFFF;
  --cinza-claro: #F5F5F5;
  --cinza-medio: #E0E0E0;
  --cinza-escuro: #757575;
  --erro: #F44336;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--branco);
  color: var(--verde-texto);
  line-height: 1.6;
}

/* Login Page */
.login-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--verde-principal) 0%, var(--verde-escuro) 100%);
}

.login-box {
  background: var(--branco);
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  width: 100%;
  max-width: 400px;
}

.login-box h1 {
  color: var(--verde-principal);
  margin-bottom: 30px;
  text-align: center;
  font-size: 28px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: var(--verde-texto);
  font-weight: 500;
}

.form-group input {
  width: 100%;
  padding: 12px;
  border: 2px solid var(--cinza-medio);
  border-radius: 5px;
  font-size: 16px;
  transition: border-color 0.3s;
}

.form-group input:focus {
  outline: none;
  border-color: var(--verde-principal);
}

.btn {
  padding: 12px 24px;
  border: none;
  border-radius: 5px;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.3s;
  font-weight: 500;
}

.btn-primary {
  background-color: var(--verde-principal);
  color: var(--branco);
  width: 100%;
}

.btn-primary:hover {
  background-color: var(--verde-escuro);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
  background-color: var(--cinza-escuro);
  color: var(--branco);
}

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

.btn-danger {
  background-color: var(--erro);
  color: var(--branco);
}

.btn-danger:hover {
  background-color: #D32F2F;
}

.btn-small {
  padding: 6px 12px;
  font-size: 14px;
}

.alert {
  padding: 12px;
  border-radius: 5px;
  margin-bottom: 20px;
}

.alert-error {
  background-color: #FFEBEE;
  color: var(--erro);
  border: 1px solid #FFCDD2;
}

.alert-success {
  background-color: #E8F5E9;
  color: var(--verde-escuro);
  border: 1px solid #C8E6C9;
}

/* Dashboard */
.dashboard-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
}

.dashboard-header {
  background: linear-gradient(135deg, var(--verde-principal) 0%, var(--verde-escuro) 100%);
  color: var(--branco);
  padding: 30px;
  border-radius: 10px;
  margin-bottom: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.dashboard-header h1 {
  font-size: 32px;
}

.logout-btn {
  background-color: rgba(255, 255, 255, 0.2);
  color: var(--branco);
  border: 2px solid var(--branco);
}

.logout-btn:hover {
  background-color: var(--branco);
  color: var(--verde-principal);
}

/* Stats Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.stat-card {
  background: var(--branco);
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  border-left: 4px solid var(--verde-principal);
}

.stat-card h3 {
  color: var(--cinza-escuro);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.stat-card .value {
  color: var(--verde-principal);
  font-size: 32px;
  font-weight: bold;
}

/* Actions Bar */
.actions-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding: 20px;
  background: var(--cinza-claro);
  border-radius: 10px;
}

/* Table */
.table-container {
  background: var(--branco);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  margin-bottom: 30px;
}

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

thead {
  background-color: var(--verde-principal);
  color: var(--branco);
}

thead th {
  padding: 15px;
  text-align: left;
  font-weight: 500;
}

tbody tr {
  border-bottom: 1px solid var(--cinza-medio);
  transition: background-color 0.2s;
}

tbody tr:hover {
  background-color: var(--cinza-claro);
}

tbody td {
  padding: 15px;
}

.status-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}

.status-active {
  background-color: #E8F5E9;
  color: var(--verde-escuro);
}

.status-inactive {
  background-color: #FFEBEE;
  color: var(--erro);
}

.status-expired {
  background-color: #FFF3E0;
  color: #F57C00;
}

.binding-badge {
  display: inline-block;
  padding: 4px 8px;
  background-color: var(--cinza-claro);
  border-radius: 5px;
  font-size: 11px;
  font-family: monospace;
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  overflow: auto;
}

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

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 2px solid var(--cinza-medio);
}

.modal-header h2 {
  color: var(--verde-principal);
  margin: 0;
}

.close {
  color: var(--cinza-escuro);
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  border: none;
  background: none;
}

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

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
  padding-top: 15px;
  border-top: 2px solid var(--cinza-medio);
}

/* Form in Modal */
.modal-body .form-group {
  margin-bottom: 20px;
}

.modal-body label {
  display: block;
  margin-bottom: 8px;
  color: var(--verde-texto);
  font-weight: 500;
}

.modal-body input {
  width: 100%;
  padding: 10px;
  border: 2px solid var(--cinza-medio);
  border-radius: 5px;
  font-size: 14px;
}

.modal-body input:focus {
  outline: none;
  border-color: var(--verde-principal);
}

.hidden {
  display: none;
}

.loading {
  text-align: center;
  padding: 40px;
  color: var(--cinza-escuro);
}

/* Actions in table */
.table-actions {
  display: flex;
  gap: 5px;
}

@media (max-width: 768px) {
  .dashboard-header {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .actions-bar {
    flex-direction: column;
    gap: 15px;
  }

  table {
    font-size: 14px;
  }

  thead th, tbody td {
    padding: 10px;
  }
}