/* ==========================================================================
   Substitutus Design System V1 — Tokens Centrais & Folha CSS Oficial
   ========================================================================== */

:root {
  /* --- Cores da Marca (Brand) --- */
  --color-brand-primary: #2563eb;
  --color-brand-bright: #3b82f6;
  --color-brand-glow: #60a5fa;

  /* --- Superfícies e Planos de Fundo (Backgrounds & Surfaces) --- */
  --color-bg: #0d1117;
  --color-surface: #161b22;       /* Surface 1: Cards, Sidebar, Containers */
  --color-surface-raised: #21262d;/* Surface 2: Inputs, Elementos Elevados */

  /* --- Bordas e Divisores --- */
  --color-border: #30363d;

  /* --- Tipografia (Typography Colors) --- */
  --color-text: #f0f6fc;
  --color-text-secondary: #8b949e;
  --color-text-muted: #6e7681;

  /* --- Semântica (Semantic Colors) --- */
  --color-success: #2ea043;
  --color-warning: #d29922;
  --color-danger: #f85149;
  --color-info: #58a6ff;

  /* --- Aliases de Compatibilidade --- */
  --bg: var(--color-bg);
  --ink: var(--color-text);
  --accent: var(--color-brand-primary);
  --border: var(--color-border);
  --muted: var(--color-text-secondary);

  /* --- Escala Tipográfica --- */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --font-size-xs: 11px;
  --font-size-sm: 13px;
  --font-size-base: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 28px;

  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  --line-height-tight: 1.25;
  --line-height-normal: 1.5;

  /* --- Escala de Espaçamento Modular --- */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;

  /* --- Raio de Borda (Border Radius) --- */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* --- Elevação e Sombras (Shadows) --- */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.25);
  --shadow-glow: 0 0 12px rgba(37, 99, 235, 0.35);

  /* --- Alturas de Controles e Transições --- */
  --control-height-sm: 32px;
  --control-height-md: 40px;
  --control-height-lg: 48px;

  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
}

/* ==========================================================================
   Reset Básico & Estilos Globais
   ========================================================================== */

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  background: var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   App Layout Shell & Sidebar Principal
   ========================================================================== */

.app-layout {
  display: flex;
  min-height: 100vh;
  background: var(--color-bg);
  color: var(--color-text);
  position: relative;
}

.mobile-header {
  display: none;
}

/* Sidebar Container (Sticky Desktop) */
.app-sidebar {
  width: 240px;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 100;
  flex-shrink: 0;
  transition: width var(--transition-base), transform var(--transition-base);
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-4);
  height: 64px;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
}

.brand-name {
  font-weight: var(--font-weight-extrabold);
  font-size: var(--font-size-lg);
  color: var(--color-text);
  letter-spacing: -0.5px;
}

.portal-badge {
  background: rgba(37, 99, 235, 0.15);
  color: var(--color-brand-glow);
  padding: 2px var(--space-2);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border: 1px solid rgba(96, 165, 250, 0.2);
  white-space: nowrap;
}

.btn-icon {
  background: transparent;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.btn-icon:hover {
  color: var(--color-text);
  background: var(--color-surface-raised);
}

.mobile-close-btn {
  display: none;
}

/* Sidebar Nav Items */
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4) var(--space-2);
  flex: 1;
  overflow-y: auto;
}

.sidebar-nav .tab-button {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  border: none;
  border-left: 3px solid transparent;
  background: transparent;
  text-align: left;
  cursor: pointer;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.sidebar-nav .tab-button:hover {
  background: var(--color-surface-raised);
  color: var(--color-text);
}

.sidebar-nav .tab-button.active {
  background: var(--color-surface-raised);
  color: var(--color-brand-glow);
  border-left-color: var(--color-brand-primary);
  font-weight: var(--font-weight-semibold);
}

.nav-icon {
  flex-shrink: 0;
}

/* Sidebar Footer (Empresa & Usuário) */
.sidebar-footer {
  padding: var(--space-3);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  background: var(--color-surface-raised);
}

.user-context-card {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.user-avatar {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  background: var(--color-brand-primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-sm);
  flex-shrink: 0;
}

.user-details {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.company-name {
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-name {
  color: var(--color-text-secondary);
  font-size: var(--font-size-xs);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.btn-logout {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  justify-content: center;
  transition: all var(--transition-fast);
}

.btn-logout:hover {
  background: rgba(248, 81, 73, 0.12);
  color: var(--color-danger);
  border-color: rgba(248, 81, 73, 0.3);
}

/* --- Estado Recolhido (Collapsed Sidebar Desktop) --- */

.app-sidebar.collapsed {
  width: 72px;
}

.app-sidebar.collapsed .brand-name,
.app-sidebar.collapsed .portal-badge,
.app-sidebar.collapsed .nav-label,
.app-sidebar.collapsed .user-details,
.app-sidebar.collapsed .logout-label {
  display: none;
}

.app-sidebar.collapsed .sidebar-header {
  justify-content: center;
  padding: 0 var(--space-2);
}

.app-sidebar.collapsed .sidebar-brand {
  display: none;
}

.app-sidebar.collapsed .icon-toggle {
  transform: rotate(180deg);
}

.app-sidebar.collapsed .tab-button {
  justify-content: center;
  padding: var(--space-3) 0;
  border-left-width: 3px;
}

.app-sidebar.collapsed .user-context-card {
  justify-content: center;
}

.app-sidebar.collapsed .btn-logout {
  padding: var(--space-2);
}

/* Content Wrapper */
.app-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

main {
  padding: var(--space-6);
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
}

.sub-tabs {
  display: flex;
  gap: var(--space-1);
  padding: 0 0 var(--space-3) 0;
  margin-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
  overflow-x: auto;
}

.sub-tab-button {
  background: transparent;
  color: var(--color-text-secondary);
  border: none;
  border-bottom: 2px solid transparent;
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  white-space: nowrap;
}

.sub-tab-button:hover { color: var(--color-text); }

.sub-tab-button.active {
  color: var(--color-brand-glow);
  border-bottom-color: var(--color-brand-primary);
  font-weight: var(--font-weight-semibold);
}

.tab-panel, .subtab-panel { display: none; }
.tab-panel.active, .subtab-panel.active { display: block; }

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
  gap: var(--space-3);
}

.panel-header h2 {
  margin: 0;
  font-size: var(--font-size-xl);
  color: var(--color-text);
}

/* ==========================================================================
   Componentes de Formulário & Controles
   ========================================================================== */

input, select, textarea, button {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  color: var(--color-text);
}

input, select, textarea {
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input::placeholder, textarea::placeholder {
  color: var(--color-text-muted);
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-brand-bright);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.25);
}

input:disabled, select:disabled, textarea:disabled, button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

input:invalid {
  border-color: var(--color-danger);
}

/* --- Botões --- */

button {
  background: var(--color-brand-primary);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-4);
  cursor: pointer;
  font-weight: var(--font-weight-semibold);
  transition: background var(--transition-base), transform var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

button:hover:not(:disabled) {
  background: var(--color-brand-bright);
}

button:active:not(:disabled) {
  transform: translateY(1px);
}

button.secondary, #cliente-cancelar, #assinatura-cancelar, #asset-cancelar, #conf-cancelar-btn {
  background: var(--color-surface-raised);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

button.secondary:hover:not(:disabled) {
  background: var(--color-border);
}

button.btn-danger {
  background: var(--color-danger);
  color: #ffffff;
}

button.btn-danger:hover:not(:disabled) {
  background: #d73a49;
}

.link-button {
  background: transparent;
  color: var(--color-brand-bright);
  border: none;
  padding: var(--space-1) var(--space-2);
  text-decoration: underline;
  cursor: pointer;
  font-weight: var(--font-weight-medium);
}

.link-button:hover {
  color: var(--color-brand-glow);
}

/* ==========================================================================
   Cards, Superfícies & Layout Grid
   ========================================================================== */

.card, .section-card, .metric-card, .confirmacao-card, .config-card, .editor-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

/* Metrics Grid (Visão Geral) */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.metric-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.metric-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: var(--font-weight-semibold);
}

.metric-value {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-brand-glow);
}

.dashboard-sections { display: flex; flex-direction: column; gap: var(--space-4); }
.section-card h3 { margin-top: 0; margin-bottom: var(--space-3); font-size: var(--font-size-lg); color: var(--color-text); }
.quick-actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.action-btn { padding: var(--space-2) var(--space-4); font-size: var(--font-size-base); }

/* ==========================================================================
   Tabelas (Tables)
   ========================================================================== */

table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-base);
}

th, td {
  text-align: left;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

th {
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-semibold);
  background: var(--color-surface-raised);
}

tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.empty-state {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  margin-top: var(--space-4);
}

/* ==========================================================================
   Badges / Status Tags
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  line-height: 1.4;
}

.badge-active, .badge-ACTIVE, .badge-published, .badge-sent, .badge-registered {
  background: rgba(46, 160, 67, 0.15);
  color: var(--color-success);
  border: 1px solid rgba(46, 160, 67, 0.3);
}

.badge-inactive, .badge-INACTIVE, .badge-failed, .badge-archived, .badge-ARCHIVED, .badge-customer_not_found {
  background: rgba(248, 81, 73, 0.15);
  color: var(--color-danger);
  border: 1px solid rgba(248, 81, 73, 0.3);
}

.badge-pending, .badge-ONBOARDING, .badge-draft {
  background: rgba(210, 153, 34, 0.15);
  color: var(--color-warning);
  border: 1px solid rgba(210, 153, 34, 0.3);
}

.badge-info, .badge-PROSPECT {
  background: rgba(88, 166, 255, 0.15);
  color: var(--color-info);
  border: 1px solid rgba(88, 166, 255, 0.3);
}

/* ==========================================================================
   Dropzone NFS-e & Drag-and-Drop
   ========================================================================== */

.billing-container { display: flex; flex-direction: column; gap: var(--space-6); }

.dropzone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-10) var(--space-6);
  text-align: center;
  background: var(--color-surface);
  cursor: pointer;
  position: relative;
  transition: border-color var(--transition-base), background var(--transition-base);
}

.dropzone:hover, .dropzone.dragover {
  border-color: var(--color-brand-primary);
  background: var(--color-surface-raised);
}

.dropzone-icon {
  font-size: 36px;
  margin-bottom: var(--space-2);
  color: var(--color-brand-glow);
}

.dropzone h3 { margin: 0 0 var(--space-1) 0; font-size: var(--font-size-lg); color: var(--color-text); }
.dropzone p { margin: 0; color: var(--color-text-secondary); font-size: var(--font-size-sm); }
.dropzone input[type="file"] {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  opacity: 0;
  cursor: pointer;
}

.parse-loading {
  text-align: center;
  padding: var(--space-6);
  color: var(--color-brand-glow);
  font-weight: var(--font-weight-semibold);
}

/* ==========================================================================
   Cards de Confirmação & Blocos de Informação
   ========================================================================== */

.confirmacao-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.card-title-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-3);
}

.card-title-bar h3 { margin: 0; font-size: var(--font-size-lg); color: var(--color-text); }

.confirmacao-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-5);
}

.info-block {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  background: var(--color-surface-raised);
}

.info-block h4 { margin-top: 0; margin-bottom: var(--space-3); font-size: var(--font-size-base); color: var(--color-brand-glow); }

.data-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-2);
}

.data-row span { color: var(--color-text-secondary); }
.warning-text { color: var(--color-danger); font-size: var(--font-size-xs); margin-top: var(--space-2); margin-bottom: 0; }

.preview-section { display: flex; flex-direction: column; gap: var(--space-2); }
.preview-section h4 { margin: 0; font-size: var(--font-size-base); color: var(--color-text); }

.confirmacao-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-4);
}

/* ==========================================================================
   Diálogos e Modais (Dialogs & Modals)
   ========================================================================== */

dialog {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  color: var(--color-text);
  padding: var(--space-6);
  width: 460px;
  max-width: 90vw;
  box-shadow: var(--shadow-lg);
}

dialog::backdrop {
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(2px);
}

#cliente-form, #assinatura-form, #asset-form { display: flex; flex-direction: column; gap: var(--space-3); }
label { display: flex; flex-direction: column; gap: var(--space-1); font-size: var(--font-size-sm); color: var(--color-text-secondary); font-weight: var(--font-weight-semibold); }
.checkbox-label { flex-direction: row; align-items: center; gap: var(--space-2); cursor: pointer; color: var(--color-text); }
fieldset { border: 1px solid var(--color-border); border-radius: var(--radius-md); display: flex; flex-direction: column; gap: var(--space-3); padding: var(--space-3); }
legend { color: var(--color-brand-glow); font-size: var(--font-size-sm); font-weight: var(--font-weight-semibold); }

.asset-preview {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-secondary);
  font-size: var(--font-size-xs);
}

.asset-preview img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #ffffff;
}

.dialog-actions { display: flex; justify-content: flex-end; gap: var(--space-2); margin-top: var(--space-4); }
.form-erro { color: var(--color-danger); font-size: var(--font-size-sm); }

/* ==========================================================================
   Editor & Live Preview Grid
   ========================================================================== */

.editor-card {
  margin-top: var(--space-6);
}

.editor-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-3);
}

.editor-header h4 { margin: 0; font-size: var(--font-size-lg); color: var(--color-text); }
.editor-actions { display: flex; gap: var(--space-2); }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.variables-helper {
  margin-top: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.chip {
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  color: var(--color-brand-glow);
  padding: 4px var(--space-2);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-family: var(--font-mono);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.chip:hover {
  border-color: var(--color-brand-primary);
  background: var(--color-brand-primary);
  color: #ffffff;
}

.preview-box {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 420px;
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
}

.preview-subject {
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-raised);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

#email-preview-iframe, #conf-preview-iframe {
  flex: 1;
  width: 100%;
  border: none;
  background: #ffffff;
}

/* ==========================================================================
   Galeria de Arquivos / Imagens (Assets Grid)
   ========================================================================== */

.assets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.asset-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-surface);
}

.asset-card img {
  width: 100%;
  height: 120px;
  object-fit: contain;
  background: #ffffff;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.asset-info {
  width: 100%;
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.asset-info strong { color: var(--color-text); text-overflow: ellipsis; overflow: hidden; white-space: nowrap; }

/* ==========================================================================
   Media Queries & Responsividade Mobile Off-Canvas
   ========================================================================== */

.sidebar-backdrop {
  display: none;
}

@media (max-width: 768px) {
  .app-layout {
    flex-direction: column;
  }

  .mobile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 90;
  }

  .app-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    height: 100vh;
    width: 270px;
    z-index: 1000;
    transform: translateX(-100%);
    box-shadow: var(--shadow-lg);
  }

  .app-sidebar.mobile-open {
    transform: translateX(0);
  }

  .sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(2px);
    z-index: 999;
  }

  .sidebar-backdrop.mobile-open {
    display: block;
  }

  .collapse-btn {
    display: none;
  }

  .mobile-close-btn {
    display: inline-flex;
  }

  main {
    padding: var(--space-4);
  }

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

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

  dialog {
    padding: var(--space-4);
  }
}

/* ==========================================================================
   Substitutus — Editor de Templates de 3 Modos (Visual, Guiado, Avançado)
   ========================================================================== */

.editor-control-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-4);
}

.mode-selector, .viewport-selector {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.control-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.mode-btn, .viewport-btn {
  padding: 6px var(--space-3);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mode-btn:hover, .viewport-btn:hover {
  color: var(--color-text);
  border-color: var(--color-brand-bright);
}

.mode-btn.active, .viewport-btn.active {
  background: var(--color-brand-primary);
  border-color: var(--color-brand-bright);
  color: white;
  box-shadow: var(--shadow-glow);
}

.editor-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.editor-mode-panel {
  display: none;
}

.editor-mode-panel.active {
  display: block;
}

/* Modo Visual */
.visual-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  margin-bottom: var(--space-4);
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.ai-btn {
  padding: 4px var(--space-2);
  font-size: var(--font-size-xs);
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  color: var(--color-brand-glow);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.ai-btn:hover {
  background: var(--color-brand-primary);
  color: white;
}

.visual-editor-container {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.visual-blocks-sidebar {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}

.visual-blocks-sidebar h5 {
  margin: 0 0 var(--space-3) 0;
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.add-block-btn {
  display: block;
  width: 100%;
  padding: 8px var(--space-2);
  margin-bottom: var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-align: left;
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.add-block-btn:hover {
  background: var(--color-brand-primary);
  border-color: var(--color-brand-bright);
}

.visual-canvas-wrapper {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  min-height: 400px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  transition: all var(--transition-base);
}

.visual-canvas-wrapper.viewport-desktop {
  width: 100%;
}

.visual-canvas-wrapper.viewport-mobile {
  max-width: 380px;
  margin: 0 auto;
}

.visual-canvas {
  width: 100%;
  max-width: 600px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
}

/* Elementos do Canvas Visual */
.visual-block-item {
  position: relative;
  border: 1px dashed transparent;
  border-radius: var(--radius-md);
  padding: var(--space-2);
  margin-bottom: var(--space-3);
  transition: border-color var(--transition-fast);
}

.visual-block-item:hover {
  border-color: var(--color-brand-bright);
}

.visual-block-actions {
  position: absolute;
  top: 4px;
  right: 4px;
  display: none;
  gap: 4px;
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 2px 4px;
  z-index: 10;
}

.visual-block-item:hover .visual-block-actions {
  display: flex;
}

.block-action-btn {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  font-size: 12px;
  cursor: pointer;
  padding: 2px 4px;
}

.block-action-btn:hover {
  color: var(--color-text);
}

.block-action-btn.delete:hover {
  color: var(--color-danger);
}

/* Tokens Protegidos de Variáveis */
.var-chip {
  display: inline-flex;
  align-items: center;
  background: var(--color-surface-raised);
  border: 1px solid var(--color-brand-bright);
  color: var(--color-brand-glow);
  font-family: var(--font-sans);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  user-select: none;
  margin: 0 2px;
  vertical-align: middle;
}

.block-badge-system {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
}

/* Modo Guiado */
.guided-form {
  display: grid;
  gap: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
}

.guided-section h5 {
  margin: 0 0 var(--space-2) 0;
  font-size: var(--font-size-sm);
  color: var(--color-brand-glow);
}

.editor-footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-4);
  margin-top: var(--space-4);
}