:root {
  /* MODO CLARO (PADRÃO DO SISTEMA) */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --border-color: #e2e8f0;
  --border-accent: rgba(0, 168, 158, 0.35);

  /* Paleta Carimbo Expresso */
  --accent-teal: #008c84;
  --accent-teal-hover: #00736c;
  --accent-gradient: linear-gradient(135deg, #00a89e, #00736c);
  --accent-glow: rgba(0, 168, 158, 0.2);

  --accent-amber: #d97706;
  --accent-blue: #2563eb;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;

  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --info: #008c84;

  --table-header-bg: #f1f5f9;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;

  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.12);
  
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* MODO ESCURO (DARK MODE TOGGLE) */
body.dark-mode {
  --bg-primary: #0b0f17;
  --bg-secondary: #161e2e;
  --bg-card: rgba(22, 30, 46, 0.85);
  --bg-card-hover: rgba(30, 41, 64, 0.95);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(0, 210, 200, 0.35);

  --accent-teal: #00d2c8;
  --accent-teal-hover: #00b4ac;
  --accent-gradient: linear-gradient(135deg, #00d2c8, #0f766e);
  --accent-glow: rgba(0, 210, 200, 0.25);

  --accent-amber: #f59e0b;
  --accent-blue: #3b82f6;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --info: #00d2c8;

  --table-header-bg: rgba(11, 15, 23, 0.6);

  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Plus Jakarta Sans', 'Manrope', system-ui, -apple-system, sans-serif;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Scrollbar personalizada */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-secondary);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-teal);
}

/* Telas ocultas */
.page-section {
  display: none;
  animation: fadeIn 0.3s ease-in-out;
}
.page-section.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Screen: Login */
#view-login {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100vw;
  height: 100vh;
  background: radial-gradient(circle at top right, rgba(0, 168, 158, 0.12), transparent 50%),
              radial-gradient(circle at bottom left, rgba(226, 232, 240, 0.8), var(--bg-primary));
}

body.dark-mode #view-login {
  background: radial-gradient(circle at top right, rgba(0, 210, 200, 0.15), transparent 50%),
              radial-gradient(circle at bottom left, rgba(22, 30, 46, 0.9), var(--bg-primary));
}

.login-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow-lg);
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0, 168, 158, 0.1);
  border: 1px solid var(--border-accent);
  color: var(--accent-teal);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.login-header h1 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.login-header p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-top: 0.35rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
}

.form-input:focus {
  border-color: var(--accent-teal);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.btn-primary {
  width: 100%;
  padding: 0.85rem;
  background: var(--accent-gradient);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 800;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

body.dark-mode .btn-primary {
  color: #0b0f17;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--accent-glow);
}

.demo-logins {
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px dashed var(--border-color);
  text-align: center;
}

.demo-logins p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.demo-buttons {
  display: flex;
  gap: 0.5rem;
}

.btn-demo {
  flex: 1;
  padding: 0.5rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}

.btn-demo:hover {
  background: rgba(0, 168, 158, 0.1);
  border-color: var(--accent-teal);
  color: var(--accent-teal);
}

/* Layout Principal (App) */
#app-layout {
  display: flex;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

/* Sidebar */
.sidebar {
  width: 260px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.5rem 1rem;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem;
  margin-bottom: 2rem;
}

.brand-icon {
  width: 42px;
  height: 42px;
  background: var(--accent-gradient);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 900;
  font-size: 1.25rem;
  box-shadow: 0 4px 12px var(--accent-glow);
}

body.dark-mode .brand-icon {
  color: #0b0f17;
}

.brand-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--accent-teal);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
}

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
}

.nav-item:hover {
  background: rgba(0, 0, 0, 0.04);
  color: var(--text-primary);
}

body.dark-mode .nav-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.nav-item.active {
  background: rgba(0, 168, 158, 0.12);
  color: var(--accent-teal);
  border-left: 3px solid var(--accent-teal);
}

.instagram-link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 0.8rem;
  margin-top: 1rem;
  background: rgba(0, 168, 158, 0.08);
  border: 1px solid rgba(0, 168, 158, 0.2);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 600;
  transition: var(--transition);
}

.instagram-link:hover {
  background: rgba(0, 168, 158, 0.18);
  color: var(--accent-teal);
}

.user-profile {
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-teal);
  font-weight: 800;
  font-size: 0.9rem;
}

.user-details .name {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
}

.user-details .role {
  font-size: 0.7rem;
  color: var(--accent-teal);
  text-transform: uppercase;
  font-weight: 800;
}

.btn-logout {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.btn-logout:hover {
  color: var(--danger);
  background: rgba(239, 68, 68, 0.1);
}

/* Área Principal de Conteúdo */
.main-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Topbar Header */
.topbar {
  height: 70px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.page-title {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.live-clock {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-primary);
  padding: 0.4rem 0.8rem;
  border-radius: 50px;
  border: 1px solid var(--border-color);
}

/* Botão Toggle DarkMode / LightMode */
.btn-theme-toggle {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.btn-theme-toggle:hover {
  border-color: var(--accent-teal);
  color: var(--accent-teal);
  transform: rotate(15deg);
}

.btn-action-primary {
  padding: 0.6rem 1.2rem;
  background: var(--accent-gradient);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

body.dark-mode .btn-action-primary {
  color: #0b0f17;
}

.btn-action-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--accent-glow);
}

.btn-action-secondary {
  padding: 0.6rem 1.2rem;
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-action-secondary:hover {
  border-color: var(--accent-teal);
  color: var(--accent-teal);
}

/* Área de Rolagem do Conteúdo */
.content-area {
  flex: 1;
  overflow-y: auto;
  padding: 2rem;
}

/* Grid de Cards de Estatísticas */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-md);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.stat-icon.teal { background: rgba(0, 168, 158, 0.12); color: var(--accent-teal); }
.stat-icon.green { background: rgba(16, 185, 129, 0.12); color: var(--success); }
.stat-icon.amber { background: rgba(245, 158, 11, 0.12); color: var(--warning); }
.stat-icon.red { background: rgba(239, 68, 68, 0.12); color: var(--danger); }
.stat-icon.blue { background: rgba(59, 130, 246, 0.12); color: #3b82f6; }
.stat-icon.purple { background: rgba(139, 92, 246, 0.12); color: #8b5cf6; }

.stat-data .label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.stat-data .value {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-top: 0.2rem;
  font-family: 'Manrope', sans-serif;
}

/* Modais */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

body.dark-mode .modal-backdrop {
  background: rgba(11, 15, 23, 0.85);
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  width: 100%;
  max-width: 500px;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: var(--transition);
}

.modal-backdrop.active .modal-box {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.modal-title {
  font-size: 1.15rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-close-modal {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
}

/* Tabelas Genéricas */
.table-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

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

.custom-table th {
  background: var(--table-header-bg);
  padding: 0.9rem 1.25rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  font-weight: 700;
}

.custom-table td {
  padding: 1rem 1.25rem;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

.custom-table tr:hover td {
  background: rgba(0, 168, 158, 0.03);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.6rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
}

.badge-success { background: rgba(16, 185, 129, 0.12); color: var(--success); }
.badge-danger { background: rgba(239, 68, 68, 0.12); color: var(--danger); }
.badge-warning { background: rgba(245, 158, 11, 0.12); color: var(--warning); }
.badge-info { background: rgba(0, 168, 158, 0.12); color: var(--accent-teal); }

/* Toasts de notificação */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 0.875rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: slideInRight 0.3s ease;
}

.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }

/* Estilos para Impressão e Exportação em PDF */
@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }
  .sidebar, .topbar, .btn-action-primary, .btn-action-secondary, .btn-theme-toggle, .toast-container {
    display: none !important;
  }
  .main-wrapper {
    overflow: visible !important;
  }
  .content-area {
    padding: 0 !important;
    overflow: visible !important;
  }
  .table-container, .chart-card, .stat-card {
    border: 1px solid #ccc !important;
    box-shadow: none !important;
    background: #ffffff !important;
    color: #000000 !important;
  }
  .custom-table th {
    background: #f1f5f9 !important;
    color: #000000 !important;
  }
  .custom-table td {
    color: #000000 !important;
  }
}