/* ===========================================
   DESIGN SYSTEM - Venda Certa
   PDV Online SaaS Multiempresa
   =========================================== */

/* ========== VARIÁVEIS ========== */
:root {
  /* Cores primárias */
  --primary-50: #e8f4fd;
  --primary-100: #b9e0fb;
  --primary-200: #8accf8;
  --primary-300: #5bb8f5;
  --primary-400: #2ca4f2;
  --primary-500: #0d8ee9;
  --primary-600: #0a72bd;
  --primary-700: #075691;
  --primary-800: #043a65;
  --primary-900: #021e39;

  /* Cores secundárias (verde) */
  --secondary-50: #e6f9f0;
  --secondary-100: #b3edcf;
  --secondary-200: #80e1ae;
  --secondary-300: #4dd58d;
  --secondary-400: #1ac96c;
  --secondary-500: #0ea85a;
  --secondary-600: #0b8a4a;
  --secondary-700: #086c3a;
  --secondary-800: #054e2a;
  --secondary-900: #02301a;

  /* Cores neutras */
  --neutral-50: #f8f9fa;
  --neutral-100: #f1f3f5;
  --neutral-200: #e9ecef;
  --neutral-300: #dee2e6;
  --neutral-400: #ced4da;
  --neutral-500: #adb5bd;
  --neutral-600: #868e96;
  --neutral-700: #495057;
  --neutral-800: #343a40;
  --neutral-900: #212529;

  /* Cores semânticas */
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  --success-bg: #ecfdf5;
  --warning-bg: #fffbeb;
  --danger-bg: #fef2f2;
  --info-bg: #eff6ff;

  /* Tipografia */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Tamanhos */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  /* Espaçamentos */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;
  --spacing-24: 6rem;

  /* Bordas */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* 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 -2px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
  --shadow-card: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);

  /* Transições */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;

  /* Sidebar */
  --sidebar-width: 260px;
  --sidebar-collapsed: 72px;
  --header-height: 64px;
}

/* Temas */
[data-theme="dark"] {
  --neutral-50: #1a1a2e;
  --neutral-100: #16213e;
  --neutral-200: #0f3460;
  --neutral-300: #1a1a2e;
  --neutral-400: #2d2d44;
  --neutral-500: #4a4a6a;
  --neutral-600: #6c6c8a;
  --neutral-700: #aeaec9;
  --neutral-800: #d4d4e8;
  --neutral-900: #f0f0ff;
}

/* ========== RESET ========== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-family);
  color: var(--neutral-800);
  background: var(--neutral-50);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--primary-500);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-600);
}

ul, ol {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

input, button, select, textarea {
  font-family: inherit;
  font-size: inherit;
  outline: none;
}

/* ========== TIPOGRAFIA ========== */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 600;
  color: var(--neutral-900);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p { margin-bottom: var(--spacing-4); }

.text-muted { color: var(--neutral-600); }
.text-sm { font-size: var(--text-sm); }
.text-xs { font-size: var(--text-xs); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-center { text-align: center; }
.text-right { text-align: right; }
.font-bold { font-weight: 700; }
.font-medium { font-weight: 500; }
.font-normal { font-weight: 400; }
.text-primary { color: var(--primary-500); }
.text-secondary { color: var(--secondary-500); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }

/* ========== LAYOUT ========== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-6);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--spacing-6);
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-1 { gap: var(--spacing-1); }
.gap-2 { gap: var(--spacing-2); }
.gap-3 { gap: var(--spacing-3); }
.gap-4 { gap: var(--spacing-4); }
.gap-6 { gap: var(--spacing-6); }
.gap-8 { gap: var(--spacing-8); }
.flex-1 { flex: 1; }
.flex-shrink-0 { flex-shrink: 0; }

.grid {
  display: grid;
  gap: var(--spacing-6);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .container { padding: 0 var(--spacing-4); }
}

/* ========== CARDS ========== */
.card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--neutral-200);
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  padding: var(--spacing-5) var(--spacing-6);
  border-bottom: 1px solid var(--neutral-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-body {
  padding: var(--spacing-6);
}

.card-footer {
  padding: var(--spacing-4) var(--spacing-6);
  border-top: 1px solid var(--neutral-200);
  background: var(--neutral-50);
}

.card-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--neutral-900);
}

.card-stat {
  padding: var(--spacing-6);
  text-align: center;
}

.card-stat .stat-value {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--primary-500);
}

.card-stat .stat-label {
  font-size: var(--text-sm);
  color: var(--neutral-600);
  margin-top: var(--spacing-1);
}

.card-stat .stat-icon {
  font-size: var(--text-2xl);
  margin-bottom: var(--spacing-3);
  color: var(--primary-400);
}

/* ========== BOTÕES ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: 0.625rem 1.25rem;
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1.2;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--primary-500);
  color: #fff;
  border-color: var(--primary-500);
}

.btn-primary:hover:not(:disabled) {
  background: var(--primary-600);
  border-color: var(--primary-600);
  color: #fff;
}

.btn-secondary {
  background: var(--secondary-500);
  color: #fff;
  border-color: var(--secondary-500);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--secondary-600);
  border-color: var(--secondary-600);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--primary-500);
  border-color: var(--primary-500);
}

.btn-outline:hover:not(:disabled) {
  background: var(--primary-50);
}

.btn-ghost {
  background: transparent;
  color: var(--neutral-700);
  border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
  background: var(--neutral-100);
  color: var(--neutral-900);
}

.btn-danger {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}

.btn-danger:hover:not(:disabled) {
  background: #dc2626;
  border-color: #dc2626;
  color: #fff;
}

.btn-success {
  background: var(--success);
  color: #fff;
  border-color: var(--success);
}

.btn-success:hover:not(:disabled) {
  background: #059669;
  border-color: #059669;
  color: #fff;
}

.btn-whatsapp {
  background: #25D366;
  color: #fff;
  border-color: #25D366;
}

.btn-whatsapp:hover:not(:disabled) {
  background: #1da851;
  color: #fff;
}

.btn-lg {
  padding: 0.875rem 2rem;
  font-size: var(--text-base);
}

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: var(--text-xs);
}

.btn-icon {
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border-radius: var(--radius-md);
}

.btn-block {
  width: 100%;
}

/* ========== FORMULÁRIOS ========== */
.form-group {
  margin-bottom: var(--spacing-5);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--neutral-700);
  margin-bottom: var(--spacing-1);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: var(--text-sm);
  color: var(--neutral-800);
  background: #fff;
  border: 1px solid var(--neutral-300);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--primary-400);
  box-shadow: 0 0 0 3px var(--primary-100);
}

.form-input::placeholder {
  color: var(--neutral-500);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--danger);
}

.form-error {
  font-size: var(--text-xs);
  color: var(--danger);
  margin-top: var(--spacing-1);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23495057'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1.25rem;
  padding-right: 2.5rem;
}

.form-check {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  cursor: pointer;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 1.125rem;
  height: 1.125rem;
  accent-color: var(--primary-500);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-4);
}

/* ========== TABELAS ========== */
.table-container {
  overflow-x: auto;
}

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

thead th {
  background: var(--neutral-50);
  padding: 0.75rem 1rem;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--neutral-600);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: left;
  border-bottom: 2px solid var(--neutral-200);
  white-space: nowrap;
}

tbody td {
  padding: 0.75rem 1rem;
  font-size: var(--text-sm);
  border-bottom: 1px solid var(--neutral-200);
  color: var(--neutral-700);
  vertical-align: middle;
}

tbody tr:hover {
  background: var(--neutral-50);
}

tbody tr:last-child td {
  border-bottom: none;
}

/* ========== BADGES ========== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.625rem;
  font-size: var(--text-xs);
  font-weight: 500;
  border-radius: var(--radius-full);
  line-height: 1.5;
}

.badge-success {
  background: var(--success-bg);
  color: var(--success);
}

.badge-warning {
  background: var(--warning-bg);
  color: var(--warning);
}

.badge-danger {
  background: var(--danger-bg);
  color: var(--danger);
}

.badge-info {
  background: var(--info-bg);
  color: var(--info);
}

.badge-neutral {
  background: var(--neutral-100);
  color: var(--neutral-600);
}

/* ========== ALERTAS ========== */
.alert {
  padding: var(--spacing-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-4);
}

.alert-success {
  background: var(--success-bg);
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.alert-warning {
  background: var(--warning-bg);
  color: #92400e;
  border: 1px solid #fde68a;
}

.alert-danger {
  background: var(--danger-bg);
  color: #991b1b;
  border: 1px solid #fecaca;
}

.alert-info {
  background: var(--info-bg);
  color: #1e40af;
  border: 1px solid #bfdbfe;
}

/* ========== MODAIS ========== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4);
  animation: fadeIn 0.2s ease;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp 0.3s ease;
}

.modal-lg { max-width: 720px; }
.modal-xl { max-width: 960px; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-5) var(--spacing-6);
  border-bottom: 1px solid var(--neutral-200);
}

.modal-title {
  font-size: var(--text-lg);
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  font-size: var(--text-xl);
  color: var(--neutral-500);
  cursor: pointer;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--neutral-100);
  color: var(--neutral-800);
}

.modal-body {
  padding: var(--spacing-6);
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--spacing-3);
  padding: var(--spacing-4) var(--spacing-6);
  border-top: 1px solid var(--neutral-200);
}

/* ========== TOAST ========== */
.toast-container {
  position: fixed;
  top: var(--spacing-4);
  right: var(--spacing-4);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-4) var(--spacing-5);
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--primary-500);
  min-width: 300px;
  max-width: 420px;
  animation: slideInRight 0.3s ease;
  font-size: var(--text-sm);
}

.toast-success { border-left-color: var(--success); }
.toast-warning { border-left-color: var(--warning); }
.toast-danger { border-left-color: var(--danger); }
.toast-info { border-left-color: var(--info); }

.toast-icon {
  width: 1.5rem;
  height: 1.5rem;
  flex-shrink: 0;
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: 600;
  margin-bottom: 0.125rem;
}

.toast-message {
  color: var(--neutral-600);
  font-size: var(--text-xs);
}

.toast-close {
  background: none;
  border: none;
  color: var(--neutral-400);
  cursor: pointer;
  font-size: var(--text-lg);
  padding: 0.25rem;
}

/* ========== LOADING / SKELETON ========== */
.loading-spinner {
  width: 2rem;
  height: 2rem;
  border: 3px solid var(--neutral-200);
  border-top-color: var(--primary-500);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loading-spinner-sm {
  width: 1.25rem;
  height: 1.25rem;
  border-width: 2px;
}

.loading-spinner-lg {
  width: 3rem;
  height: 3rem;
  border-width: 4px;
}

.loading-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-16);
}

.skeleton {
  background: linear-gradient(90deg, var(--neutral-200) 25%, var(--neutral-100) 50%, var(--neutral-200) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

.skeleton-text {
  height: 1rem;
  margin-bottom: var(--spacing-2);
  width: 80%;
}

.skeleton-title {
  height: 1.5rem;
  width: 60%;
  margin-bottom: var(--spacing-4);
}

.skeleton-card {
  height: 120px;
  width: 100%;
}

/* ========== SIDEBAR ========== */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: #fff;
  border-right: 1px solid var(--neutral-200);
  z-index: 100;
  display: flex;
  flex-direction: column;
  transition: width var(--transition-base);
  overflow: hidden;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-5) var(--spacing-6);
  border-bottom: 1px solid var(--neutral-200);
  min-height: var(--header-height);
}

.sidebar-logo img, .sidebar-logo .logo-icon {
  width: 2rem;
  height: 2rem;
  flex-shrink: 0;
}

.sidebar-logo span {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--primary-500);
  white-space: nowrap;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-4) var(--spacing-3);
}

.sidebar-section {
  margin-bottom: var(--spacing-6);
}

.sidebar-section-title {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--neutral-500);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0 var(--spacing-3);
  margin-bottom: var(--spacing-2);
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: 0.625rem 0.75rem;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--neutral-700);
  transition: all var(--transition-fast);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}

.sidebar-item:hover {
  background: var(--neutral-100);
  color: var(--neutral-900);
}

.sidebar-item.active {
  background: var(--primary-50);
  color: var(--primary-500);
}

.sidebar-item .sidebar-icon {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
}

.sidebar-item .sidebar-badge {
  margin-left: auto;
}

.sidebar-footer {
  padding: var(--spacing-4) var(--spacing-3);
  border-top: 1px solid var(--neutral-200);
}

/* Sidebar Collapsed */
.sidebar.collapsed {
  width: var(--sidebar-collapsed);
}

/* ========== HEADER ========== */
.header {
  position: fixed;
  top: 0;
  left: var(--sidebar-width);
  right: 0;
  height: var(--header-height);
  background: #fff;
  border-bottom: 1px solid var(--neutral-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-6);
  z-index: 90;
  transition: left var(--transition-base);
}

.sidebar.collapsed ~ .header,
.header.sidebar-collapsed {
  left: var(--sidebar-collapsed);
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.header-search {
  position: relative;
  width: 320px;
}

.header-search input {
  width: 100%;
  padding: 0.5rem 0.875rem 0.5rem 2.5rem;
  background: var(--neutral-100);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
}

.header-search input:focus {
  background: #fff;
  border-color: var(--primary-400);
  box-shadow: 0 0 0 3px var(--primary-100);
}

.header-search .search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--neutral-500);
  width: 1rem;
  height: 1rem;
}

.header-avatar {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--primary-500);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: var(--text-sm);
  cursor: pointer;
}

/* ========== MAIN CONTENT ========== */
.main-content {
  margin-left: var(--sidebar-width);
  padding-top: var(--header-height);
  min-height: 100vh;
  transition: margin-left var(--transition-base);
}

.sidebar.collapsed ~ .main-content,
.main-content.sidebar-collapsed {
  margin-left: var(--sidebar-collapsed);
}

.page-content {
  padding: var(--spacing-6);
}

/* ========== PAGE HEADER ========== */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-6);
  flex-wrap: wrap;
  gap: var(--spacing-4);
}

.page-title {
  font-size: var(--text-2xl);
  font-weight: 700;
}

.page-subtitle {
  font-size: var(--text-sm);
  color: var(--neutral-600);
  margin-top: var(--spacing-1);
}

/* ========== DROPDOWN ========== */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  background: #fff;
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 200px;
  z-index: 50;
  overflow: hidden;
  margin-top: var(--spacing-1);
}

.dropdown-menu.active {
  display: block;
  animation: fadeIn 0.15s ease;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: 0.625rem 1rem;
  font-size: var(--text-sm);
  color: var(--neutral-700);
  cursor: pointer;
  transition: background var(--transition-fast);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  text-decoration: none;
}

.dropdown-item:hover {
  background: var(--neutral-50);
  color: var(--neutral-900);
}

.dropdown-item.danger {
  color: var(--danger);
}

.dropdown-divider {
  height: 1px;
  background: var(--neutral-200);
  margin: 0.25rem 0;
}

/* ========== TABS ========== */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--neutral-200);
  margin-bottom: var(--spacing-6);
  overflow-x: auto;
}

.tab-item {
  padding: 0.75rem 1.25rem;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--neutral-600);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.tab-item:hover {
  color: var(--neutral-800);
}

.tab-item.active {
  color: var(--primary-500);
  border-bottom-color: var(--primary-500);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* ========== STATUS INDICATORS ========== */
.status-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  display: inline-block;
}

.status-dot-active { background: var(--success); }
.status-dot-inactive { background: var(--neutral-400); }
.status-dot-suspended { background: var(--danger); }

/* ========== EMPTY STATE ========== */
.empty-state {
  text-align: center;
  padding: var(--spacing-16) var(--spacing-6);
}

.empty-state-icon {
  width: 4rem;
  height: 4rem;
  margin: 0 auto var(--spacing-4);
  color: var(--neutral-400);
}

.empty-state-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--neutral-700);
  margin-bottom: var(--spacing-2);
}

.empty-state-text {
  font-size: var(--text-sm);
  color: var(--neutral-500);
  max-width: 400px;
  margin: 0 auto var(--spacing-6);
}

/* ========== ANIMAÇÕES ========== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

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

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

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ========== RESPONSIVO ========== */
@media (max-width: 1024px) {
  .sidebar {
    width: var(--sidebar-collapsed);
  }
  .sidebar .sidebar-item span,
  .sidebar .sidebar-section-title,
  .sidebar .sidebar-logo span {
    display: none;
  }
  .sidebar .sidebar-item {
    justify-content: center;
    padding: 0.75rem;
  }
  .header {
    left: var(--sidebar-collapsed);
  }
  .main-content {
    margin-left: var(--sidebar-collapsed);
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    width: var(--sidebar-width);
    z-index: 200;
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 199;
  }
  .sidebar-overlay.active {
    display: block;
  }
  .header {
    left: 0;
  }
  .header-search {
    width: 100%;
  }
  .main-content {
    margin-left: 0;
  }
  .page-content {
    padding: var(--spacing-4);
  }
  .toast {
    min-width: auto;
    max-width: 100%;
  }
}

/* ========== SCROLLBAR ========== */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--neutral-300);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--neutral-400);
}

/* ========== UTILITÁRIOS ========== */
.w-full { width: 100%; }
.h-full { height: 100%; }
.d-none { display: none; }
.d-block { display: block; }
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.overflow-hidden { overflow: hidden; }
.m-0 { margin: 0; }
.p-0 { padding: 0; }
.mt-2 { margin-top: var(--spacing-2); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }
.mb-2 { margin-bottom: var(--spacing-2); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }
.ml-auto { margin-left: auto; }
.mr-2 { margin-right: var(--spacing-2); }
.cursor-pointer { cursor: pointer; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.shadow { box-shadow: var(--shadow-md); }