:root {
  --primary: #7c3aed;
  --primary-hover: #6d28d9;
  --primary-light: #f5f3ff;
  --primary-border: #ddd6fe;
  --accent: #ec4899;
  --bg-dark: #0f172a;
  --bg-card: #ffffff;
  --bg-body: #f8fafc;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --radius: 12px;
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.05);
}

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

body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Layout Geral */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 260px;
  background-color: #ffffff;
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: all 0.3s ease;
  z-index: 50;
}

.sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), #4f46e5);
  color: white;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 4px 10px rgba(124, 58, 237, 0.3);
}

.brand-title {
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--primary), #4f46e5);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sidebar-nav {
  padding: 16px 12px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  border-radius: var(--radius);
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
}

.nav-item:hover {
  color: var(--primary);
  background-color: var(--primary-light);
}

.nav-item.active {
  color: #ffffff;
  background: linear-gradient(135deg, var(--primary), #6d28d9);
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.25);
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Main Content Area */
.main-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow-x: hidden;
}

.topbar {
  height: 70px;
  background-color: #ffffff;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.content-area {
  padding: 28px;
  flex: 1;
}

/* Cards & Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.stat-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow);
}

.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.stat-icon.purple { background-color: #f5f3ff; color: var(--primary); }
.stat-icon.green { background-color: #ecfdf5; color: var(--success); }
.stat-icon.blue { background-color: #eff6ff; color: #3b82f6; }
.stat-icon.orange { background-color: #fffbeb; color: var(--warning); }

.stat-value {
  font-size: 1.65rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* Painel de Conteúdo / Tabelas */
.panel-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.panel-title {
  font-size: 1.2rem;
  font-weight: 750;
  letter-spacing: -0.02em;
}

/* Tabelas */
.table-responsive {
  overflow-x: auto;
}

.custom-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.custom-table th {
  background-color: #f8fafc;
  padding: 12px 16px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
}

.custom-table td {
  padding: 14px 16px;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.custom-table tr:hover {
  background-color: #fdfdfd;
}

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  font-size: 0.88rem;
  font-weight: 700;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #6d28d9);
  color: #ffffff;
  box-shadow: 0 4px 10px rgba(124, 58, 237, 0.25);
}

.btn-primary:hover {
  transform: translateY(-1px);
  background: linear-gradient(135deg, #6d28d9, #5b21b6);
}

.btn-secondary {
  background: #f1f5f9;
  color: #334155;
}

.btn-secondary:hover {
  background: #e2e8f0;
}

.btn-success {
  background: #10b981;
  color: white;
}

.btn-outline {
  border: 1px solid var(--border-color);
  background: white;
  color: var(--text-main);
}

.btn-outline:hover {
  background: #f8fafc;
  border-color: #cbd5e1;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
}

.btn-whatsapp {
  background-color: #25d366;
  color: white;
  box-shadow: 0 4px 10px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
  background-color: #1ebc59;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
}

.badge-success { background: #dcfce7; color: #15803d; }
.badge-warning { background: #fef3c7; color: #b45309; }
.badge-danger { background: #fee2e2; color: #b91c1c; }
.badge-purple { background: #f3e8ff; color: #7e22ce; }
.badge-blue { background: #dbeafe; color: #1d4ed8; }

/* Modais */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}

.modal-content {
  background: #ffffff;
  border-radius: 16px;
  width: 100%;
  max-width: 520px;
  padding: 24px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2);
  animation: modalIn 0.2s ease-out;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: #334155;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  font-size: 0.92rem;
  transition: all 0.2s;
  background-color: #ffffff;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 200;
}

.toast {
  background: #ffffff;
  color: var(--text-main);
  padding: 14px 20px;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  border-left: 5px solid var(--primary);
  min-width: 280px;
  animation: slideInRight 0.3s ease;
}

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* QR Code Box */
.qr-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: #f8fafc;
  border: 2px dashed var(--border-color);
  border-radius: 16px;
  margin: 16px 0;
}

.qr-image {
  max-width: 260px;
  max-height: 260px;
  border-radius: 12px;
  background: white;
  padding: 12px;
  box-shadow: var(--shadow);
}

/* Responsividade */
@media (max-width: 900px) {
  .sidebar {
    position: fixed;
    height: 100vh;
    left: -260px;
  }
  .sidebar.open {
    left: 0;
  }
  .topbar {
    padding: 0 16px;
  }
  .content-area {
    padding: 16px;
  }
}