/* ============================================
   VARIÁVEIS CSS - Design System Instacar Insights
   ============================================ */
:root {
  /* Paleta Corporativa - Azul profissional com toques de sofisticação */
  --background: 220 20% 97%;
  --foreground: 222 47% 11%;

  --card: 0 0% 100%;
  --card-foreground: 222 47% 11%;

  --popover: 0 0% 100%;
  --popover-foreground: 222 47% 11%;

  /* Azul Corporativo Principal */
  --primary: 217 91% 50%;
  --primary-foreground: 0 0% 100%;
  --primary-glow: 217 91% 65%;

  /* Cinza Neutro Secundário */
  --secondary: 220 14% 96%;
  --secondary-foreground: 222 47% 11%;

  --muted: 220 14% 96%;
  --muted-foreground: 220 9% 46%;

  /* Roxo/Violeta Accent */
  --accent: 262 83% 58%;
  --accent-foreground: 0 0% 100%;

  /* Estados */
  --destructive: 0 84% 60%;
  --destructive-foreground: 0 0% 100%;

  --success: 142 76% 36%;
  --success-foreground: 0 0% 100%;

  --warning: 38 92% 50%;
  --warning-foreground: 0 0% 100%;

  --info: 199 89% 48%;
  --info-foreground: 0 0% 100%;

  --border: 220 13% 91%;
  --input: 220 13% 91%;
  --ring: 217 91% 50%;

  --radius: 0.75rem;

  /* Sidebar */
  --sidebar-background: 222 47% 11%;
  --sidebar-foreground: 220 14% 96%;
  --sidebar-primary: 217 91% 50%;
  --sidebar-primary-foreground: 0 0% 100%;
  --sidebar-accent: 222 47% 18%;
  --sidebar-accent-foreground: 220 14% 96%;
  --sidebar-border: 222 47% 18%;
  --sidebar-ring: 217 91% 50%;

  /* Gradientes */
  --gradient-primary: linear-gradient(135deg, hsl(217 91% 50%), hsl(262 83% 58%));
  --gradient-subtle: linear-gradient(180deg, hsl(220 20% 97%), hsl(220 14% 96%));
  --gradient-card: linear-gradient(135deg, hsl(0 0% 100%), hsl(220 20% 98%));

  /* Sombras */
  --shadow-sm: 0 1px 2px 0 hsl(222 47% 11% / 0.05);
  --shadow-md: 0 4px 6px -1px hsl(222 47% 11% / 0.1), 0 2px 4px -2px hsl(222 47% 11% / 0.1);
  --shadow-lg: 0 10px 15px -3px hsl(222 47% 11% / 0.1), 0 4px 6px -4px hsl(222 47% 11% / 0.1);
  --shadow-glow: 0 0 20px hsl(217 91% 50% / 0.3);

  /* Compatibilidade com código existente - manter variáveis antigas */
  --color-primary: hsl(217 91% 50%);
  --color-primary-dark: hsl(217 91% 40%);
  --color-primary-light: hsl(217 91% 60%);
  --color-accent: hsl(262 83% 58%);
  
  /* Sidebar - compatibilidade */
  --sidebar-bg: hsl(222 47% 11%);
  --sidebar-text: hsl(220 14% 96%);
  --sidebar-hover: hsl(222 47% 18%);
  --sidebar-active: hsl(217 91% 50%);
  --sidebar-border: hsl(222 47% 18% / 0.5);
  
  /* Backgrounds - compatibilidade */
  --bg-primary: hsl(0 0% 100%);
  --bg-secondary: hsl(220 20% 97%);
  --bg-tertiary: hsl(220 14% 96%);
  
  /* Textos - compatibilidade */
  --text-primary: hsl(222 47% 11%);
  --text-secondary: hsl(220 9% 46%);
  --text-tertiary: hsl(220 9% 46%);
  --text-muted: hsl(220 9% 46%);
  
  /* Bordas - compatibilidade */
  --border-color: hsl(220 13% 91%);
  --border-color-light: hsl(220 14% 96%);
  --border-color-dark: hsl(220 13% 85%);
  
  /* Status Colors - compatibilidade */
  --status-success: hsl(142 76% 36%);
  --status-success-bg: hsl(142 76% 36% / 0.1);
  --status-error: hsl(0 84% 60%);
  --status-error-bg: hsl(0 84% 60% / 0.1);
  --status-warning: hsl(38 92% 50%);
  --status-warning-bg: hsl(38 92% 50% / 0.1);
  --status-info: hsl(199 89% 48%);
  --status-info-bg: hsl(199 89% 48% / 0.1);
  
  /* Sombras */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Espaçamentos */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Tipografia */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  
  /* Transições */
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
  --transition-slow: 0.3s ease;
  
  /* Border Radius */
  --radius-sm: calc(var(--radius) - 4px);
  --radius-md: calc(var(--radius) - 2px);
  --radius-lg: var(--radius);
  --radius-xl: calc(var(--radius) + 4px);
  --radius-full: 9999px;
  
  /* Z-index */
  --z-sidebar: 100;
  --z-header: 90;
  --z-modal: 1000;
  --z-dropdown: 200;
  --z-tooltip: 300;
}

/* ============================================
   RESET E BASE
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  background: var(--bg-secondary);
  color: var(--text-primary);
  line-height: 1.5;
  overflow-x: hidden;
}

/* ============================================
   LAYOUT PRINCIPAL
   ============================================ */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 280px;
  background: linear-gradient(180deg, var(--sidebar-bg) 0%, #1e293b 100%);
  color: var(--sidebar-text);
  position: fixed;
  left: 0;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  z-index: var(--z-sidebar);
  transition: transform var(--transition-base);
  border-right: 1px solid var(--sidebar-border);
  box-shadow: 4px 0 24px rgba(0, 0, 0, 0.12);
}

.sidebar.collapsed {
  transform: translateX(-100%);
}

.sidebar.collapsed .sidebar-toggle-btn span {
  transform: rotate(180deg);
}

/* Custom Scrollbar para Sidebar */
.sidebar::-webkit-scrollbar {
  width: 6px;
}

.sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.3);
  border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
  background: rgba(148, 163, 184, 0.5);
}

.sidebar-header {
  padding: var(--spacing-xl) var(--spacing-lg);
  border-bottom: 1px solid hsl(var(--sidebar-border));
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  position: relative;
}

.sidebar-toggle-btn {
  position: absolute;
  right: var(--spacing-md);
  width: 32px;
  height: 32px;
  border: none;
  background: rgba(255, 255, 255, 0.1);
  color: var(--sidebar-text);
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  padding: 0;
}

.sidebar-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  transform: scale(1.1);
}

.sidebar-logo {
  width: 44px;
  height: 44px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: hsl(var(--primary-foreground));
  font-weight: 700;
  font-size: var(--font-size-lg);
  box-shadow: var(--shadow-glow);
  transition: all var(--transition-base);
}

.sidebar-logo:hover {
  transform: scale(1.05);
  box-shadow: 0 0 25px hsl(var(--primary) / 0.4);
}

.sidebar-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: hsl(var(--sidebar-foreground));
  font-family: var(--font-family-display);
}

.sidebar-user {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  border-bottom: 1px solid var(--sidebar-border);
  margin-bottom: var(--spacing-md);
  background: rgba(59, 130, 246, 0.05);
  border-radius: var(--radius-md);
  margin-left: var(--spacing-sm);
  margin-right: var(--spacing-sm);
}

.sidebar-user strong {
  color: var(--sidebar-text);
  display: block;
  margin-top: var(--spacing-xs);
}

.sidebar-nav {
  padding: var(--spacing-md) 0;
}

.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  margin: 0 var(--spacing-sm);
  color: hsl(var(--sidebar-foreground) / 0.7);
  text-decoration: none;
  transition: all var(--transition-base);
  cursor: pointer;
  border-left: 3px solid transparent;
  border-radius: var(--radius-md);
  position: relative;
}

.sidebar-nav-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: hsl(var(--sidebar-primary));
  border-radius: 0 2px 2px 0;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.sidebar-nav-item:hover {
  background: hsl(var(--sidebar-accent));
  color: hsl(var(--sidebar-foreground));
  transform: translateX(4px);
}

.sidebar-nav-item.active {
  background: hsl(var(--sidebar-primary) / 0.15);
  border-left-color: hsl(var(--sidebar-primary));
  color: hsl(var(--sidebar-primary-foreground));
  font-weight: 600;
}

.sidebar-nav-item.active::before {
  opacity: 1;
}

.sidebar-nav-item-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
}

.sidebar-nav-item-text {
  flex: 1;
  font-weight: 500;
}

.sidebar-footer {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-logout {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  color: hsl(var(--destructive));
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-family: inherit;
  font-size: var(--font-size-sm);
}

.sidebar-logout:hover {
  background: hsl(var(--destructive) / 0.1);
  color: hsl(var(--destructive));
}

/* Main Content Area */
.main-content {
  flex: 1;
  margin-left: 280px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: margin-left var(--transition-base);
  background: hsl(var(--background));
}

.main-content.sidebar-collapsed {
  margin-left: 0;
}

/* Header */
.header {
  background: hsl(var(--card));
  border-bottom: 1px solid hsl(var(--border));
  padding: var(--spacing-lg) var(--spacing-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(8px);
}

.header-left {
  flex: 1;
}

.header-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
  letter-spacing: -0.025em;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-subtitle {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.header-search {
  position: relative;
  width: 300px;
}

.header-search input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md) var(--spacing-sm) 2.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  background: var(--bg-secondary);
  color: var(--text-primary);
  transition: all var(--transition-base);
  font-weight: 400;
}

.header-search input::placeholder {
  color: var(--text-tertiary);
  font-weight: 400;
}

.header-search input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--bg-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.header-search-icon {
  position: absolute;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  pointer-events: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.header-icon-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: none;
  background: hsl(var(--muted));
  color: hsl(var(--muted-foreground));
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  font-size: var(--font-size-lg);
}

.header-icon-btn:hover {
  background: hsl(var(--accent) / 0.1);
  color: hsl(var(--primary));
  transform: scale(1.05);
  box-shadow: var(--shadow-sm);
}

.header-icon-badge {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 8px;
  height: 8px;
  background: #ef4444;
  border-radius: var(--radius-full);
  border: 2px solid var(--bg-primary);
}

.header-user {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
  font-size: var(--font-size-sm);
}

.header-user:hover {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

/* Content Area */
.content {
  flex: 1;
  padding: var(--spacing-xl);
  background: var(--bg-secondary);
}

/* ============================================
   UTILITÁRIOS
   ============================================ */
.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }
.p-5 { padding: var(--spacing-xl); }

/* ============================================
   RESPONSIVIDADE
   ============================================ */
/* ============================================
   RESPONSIVIDADE MOBILE
   ============================================ */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform var(--transition-base);
  }
  
  .sidebar.mobile-open {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .header {
    padding: var(--spacing-md);
    flex-wrap: wrap;
  }
  
  .header-search {
    display: none;
  }
  
  .header-title {
    font-size: var(--font-size-xl);
  }
  
  .content {
    padding: var(--spacing-md);
  }
  
  /* Grid mantém responsividade mesmo em mobile - apenas para grids sem classe específica */
  .grid:not(.stats-grid):not(.dashboard-main-grid):not([class*="grid-cols-"]) {
    grid-template-columns: 1fr !important;
  }
  
  .card {
    padding: var(--spacing-md);
  }
  
  .modal-content {
    width: 95%;
    max-width: 95%;
    padding: var(--spacing-md);
  }
  
  .table {
    font-size: var(--font-size-xs);
  }
  
  .table th,
  .table td {
    padding: var(--spacing-sm);
  }
}

/* Menu hamburger para mobile */
.mobile-menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: none;
  background: hsl(var(--background));
  border-radius: var(--radius-md);
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  padding: 8px;
}

.mobile-menu-toggle span {
  width: 100%;
  height: 2px;
  background: hsl(var(--foreground));
  border-radius: 2px;
  transition: all var(--transition-base);
}

/* Botão para abrir sidebar quando colapsada (desktop) */
.sidebar-open-btn {
  display: none;
  width: 40px;
  height: 40px;
  border: none;
  background: hsl(var(--background));
  border-radius: var(--radius-md);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  color: hsl(var(--foreground));
  margin-right: var(--spacing-md);
}

.sidebar-open-btn:hover {
  background: hsl(var(--muted));
  transform: scale(1.05);
}

/* Mostrar botão quando sidebar está colapsada (desktop) */
.main-content.sidebar-collapsed .sidebar-open-btn {
  display: flex;
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }
  
  .sidebar-open-btn {
    display: none !important;
  }
}

/* Acessibilidade */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus states para navegação por teclado */
.sidebar-nav-item:focus,
.btn:focus,
.form-input:focus,
.form-select:focus,
.header-icon-btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ARIA labels */
.sidebar-nav-item[aria-current="page"] {
  background: var(--sidebar-hover);
  border-left-color: var(--sidebar-active);
}