/* =========================================================
   STYLE.CSS - PLATAFORMA DE CARTÃO DE VISITA DIGITAL
   Estilo Flat Design Neutro & Profissional
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* --- Reset e Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  color: var(--text-main);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  cursor: pointer;
}

/* --- Container e Layout Geral --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-wide {
  width: 100%;
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* --- Barra de Navegação Superior (Flat Header) --- */
.main-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  height: 70px;
  display: flex;
  align-items: center;
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--color-slate-900);
  letter-spacing: -0.02em;
}

.brand-icon {
  width: 34px;
  height: 34px;
  background-color: var(--color-slate-900);
  color: var(--color-white);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-badge {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background-color: var(--color-slate-100);
  color: var(--color-slate-700);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-slate-900);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* --- Botões Flat Neutros --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-sm {
  padding: 0.4rem 0.875rem;
  font-size: var(--text-xs);
}

.btn-lg {
  padding: 0.875rem 1.75rem;
  font-size: var(--text-base);
}

.btn-primary {
  background-color: var(--color-slate-900);
  color: var(--color-white);
  border-color: var(--color-slate-900);
}

.btn-primary:hover {
  background-color: var(--color-slate-800);
  border-color: var(--color-slate-800);
}

.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--color-slate-800);
  border-color: var(--border-strong);
}

.btn-secondary:hover {
  background-color: var(--color-slate-100);
  border-color: var(--color-slate-400);
}

.btn-accent {
  background-color: var(--color-accent-blue);
  color: var(--color-white);
}

.btn-accent:hover {
  background-color: #1d4ed8;
}

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

.btn-ghost:hover {
  background-color: var(--color-slate-100);
  color: var(--color-slate-900);
}

/* --- Alternador de Visão (Tabs de Navegação da Aplicação) --- */
.view-switcher {
  display: flex;
  background-color: var(--color-slate-100);
  padding: 3px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.view-btn {
  padding: 0.35rem 0.85rem;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.view-btn.active {
  background-color: var(--color-white);
  color: var(--color-slate-900);
  box-shadow: var(--shadow-flat-sm);
}

/* --- Seções da Landing Page --- */
.view-section {
  display: none;
}

.view-section.active {
  display: block;
}

/* Hero Section */
.hero-section {
  padding: var(--space-16) 0 var(--space-12);
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-12);
  align-items: center;
}

.hero-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-full);
  background-color: var(--color-slate-100);
  border: 1px solid var(--border-subtle);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-slate-800);
  margin-bottom: var(--space-6);
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-success);
}

.hero-title {
  font-size: var(--text-5xl);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--color-slate-950);
  margin-bottom: var(--space-6);
}

.hero-title span {
  color: var(--color-slate-600);
  font-weight: 400;
}

.hero-description {
  font-size: var(--text-lg);
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-8);
  max-width: 560px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.hero-features-strip {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-subtle);
}

.hero-feature-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-slate-700);
}

.hero-feature-item svg {
  color: var(--color-slate-900);
}

/* Teaser Ilustrativo Hero */
.hero-visual-card {
  background-color: var(--color-slate-50);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  box-shadow: var(--shadow-flat-md);
}

.hero-dual-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.dual-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.dual-card.featured {
  border-color: var(--color-slate-800);
  position: relative;
}

.dual-badge {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-2);
}

.badge-online {
  background-color: var(--color-accent-blue-bg);
  color: var(--color-accent-blue);
}

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

.dual-card-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: var(--space-1);
}

.dual-card-desc {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-bottom: var(--space-3);
  line-height: 1.4;
}

/* Seção Comparativa Online vs Offline */
.section-comparison {
  padding: var(--space-16) 0;
  background-color: var(--bg-app);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto var(--space-12);
}

.section-tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-slate-500);
  margin-bottom: var(--space-2);
}

.section-title {
  font-size: var(--text-3xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-slate-900);
  margin-bottom: var(--space-3);
}

.section-subtitle {
  font-size: var(--text-base);
  color: var(--text-muted);
}

.comparison-table-wrapper {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-flat-sm);
}

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

.comparison-table th, .comparison-table td {
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--border-subtle);
  font-size: var(--text-sm);
}

.comparison-table th {
  background-color: var(--color-slate-100);
  font-weight: 700;
  color: var(--color-slate-800);
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.check-yes {
  color: var(--color-success);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.check-no {
  color: var(--color-slate-400);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

/* Seção Recursos Flat */
.section-features {
  padding: var(--space-16) 0;
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.feature-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.feature-card:hover {
  border-color: var(--color-slate-400);
}

.feature-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background-color: var(--color-slate-100);
  color: var(--color-slate-900);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  border: 1px solid var(--border-subtle);
}

.feature-card-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: var(--space-2);
}

.feature-card-desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.6;
}

/* Seção Como Funciona */
.section-steps {
  padding: var(--space-16) 0;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  position: relative;
}

.step-card {
  position: relative;
}

.step-number {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background-color: var(--color-slate-900);
  color: var(--color-white);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.step-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: var(--space-2);
}

.step-desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.6;
}

/* Footer Flat */
.main-footer {
  margin-top: auto;
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-8) 0;
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* =========================================================
   AMBIENTE DO UTILIZADOR (DASHBOARD & EDITOR)
   ========================================================= */
.dashboard-layout {
  padding: var(--space-6) 0 var(--space-16);
}

.dashboard-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-6);
  margin-bottom: var(--space-6);
}

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

.user-avatar-mini {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background-color: var(--color-slate-200);
  object-fit: cover;
  border: 1px solid var(--border-subtle);
}

.user-names h2 {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-slate-900);
}

.user-names p {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.dashboard-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Workspace 2 Colunas (Editor + Mockup) */
.workspace-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-8);
  align-items: start;
}

/* Painel de Edição */
.editor-panel {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-flat-sm);
}

.editor-tabs-nav {
  display: flex;
  border-bottom: 1px solid var(--border-subtle);
  background-color: var(--color-slate-50);
  overflow-x: auto;
}

.tab-btn {
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  color: var(--color-slate-900);
  background-color: var(--bg-surface);
}

.tab-btn.active {
  color: var(--color-slate-900);
  background-color: var(--bg-surface);
  border-bottom-color: var(--color-slate-900);
}

.tab-content {
  padding: var(--space-6);
  display: none;
}

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

/* Formulários Flat */
.form-group {
  margin-bottom: var(--space-4);
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-slate-700);
  margin-bottom: var(--space-1);
}

.form-hint {
  font-size: 11px;
  color: var(--text-light);
  margin-top: 4px;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 0.65rem 0.875rem;
  font-size: var(--text-sm);
  color: var(--color-slate-900);
  background-color: var(--color-slate-50);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  background-color: var(--color-white);
  border-color: var(--color-slate-800);
}

.form-textarea {
  min-height: 80px;
  resize: vertical;
}

/* Seletor de Tema */
.theme-selector-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

.theme-card-option {
  border: 2px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  transition: all var(--transition-fast);
}

.theme-card-option:hover {
  border-color: var(--color-slate-400);
}

.theme-card-option.active {
  border-color: var(--color-slate-900);
  background-color: var(--color-slate-50);
}

.theme-preview-palette {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.theme-preview-palette span {
  flex: 1;
}

.theme-option-info h4 {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-slate-900);
}

.theme-option-info p {
  font-size: 11px;
  color: var(--text-muted);
}

/* Barra de Exemplos Rápidos */
.preset-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
}

.preset-btn {
  padding: 4px 10px;
  background-color: var(--color-slate-100);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-slate-700);
  transition: all var(--transition-fast);
}

.preset-btn:hover {
  background-color: var(--color-slate-200);
  color: var(--color-slate-900);
}

/* --- Mockup do Smartphone (Live Preview) --- */
.preview-sticky-col {
  position: sticky;
  top: 90px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.preview-top-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-slate-600);
  background-color: var(--color-slate-100);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
  border: 1px solid var(--border-subtle);
}

.phone-mockup-frame {
  width: 320px;
  height: 640px;
  background-color: #0f172a;
  border-radius: 40px;
  padding: 10px;
  box-shadow: var(--shadow-mockup);
  border: 4px solid #1e293b;
  position: relative;
}

.phone-speaker-notch {
  width: 90px;
  height: 18px;
  background-color: #0f172a;
  border-radius: 0 0 12px 12px;
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background-color: var(--ct-bg-card, #ffffff);
  border-radius: 30px;
  overflow-y: auto;
  overflow-x: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
}

/* Conteúdo Interno do Cartão no Smartphone */
.card-live-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  background-color: var(--ct-bg-card, #ffffff);
}

.card-header-cover {
  height: 100px;
  background-color: var(--ct-bg-top, #0f172a);
  position: relative;
  transition: background-color var(--transition-fast);
}

.card-avatar-container {
  position: absolute;
  bottom: -36px;
  left: 50%;
  transform: translateX(-50%);
}

.card-avatar-img {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  border: 4px solid var(--ct-bg-card, #ffffff);
  object-fit: cover;
  background-color: var(--color-slate-200);
  box-shadow: var(--shadow-flat-sm);
}

.card-body-content {
  padding: 42px 16px 20px;
  text-align: center;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-name {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--ct-text-title, #0f172a);
  margin-bottom: 2px;
  line-height: 1.2;
}

.card-title-company {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--ct-text-subtitle, #475569);
  margin-bottom: 8px;
}

.card-bio {
  font-size: 11px;
  color: var(--ct-text-subtitle, #64748b);
  line-height: 1.4;
  margin-bottom: 14px;
}

/* Botão Salvar Contato Primário */
.card-save-btn {
  width: 100%;
  padding: 10px;
  background-color: var(--ct-btn-primary-bg, #0f172a);
  color: var(--ct-btn-primary-text, #ffffff);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-bottom: 12px;
  transition: opacity var(--transition-fast);
}

.card-save-btn:hover {
  opacity: 0.9;
}

/* Grade de Ações Rápidas do Cartão */
.card-quick-actions {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 14px;
}

.quick-action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 8px 4px;
  background-color: var(--ct-btn-secondary-bg, #f1f5f9);
  color: var(--ct-btn-secondary-text, #1e293b);
  border-radius: var(--radius-md);
  font-size: 10px;
  font-weight: 600;
  border: 1px solid var(--ct-border, #e2e8f0);
  transition: background-color var(--transition-fast);
}

.quick-action-btn:hover {
  background-color: var(--color-slate-200);
}

.quick-action-btn svg {
  width: 16px;
  height: 16px;
}

/* Lista de Links & Redes Sociais no Cartão */
.card-links-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: auto;
}

.card-link-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background-color: var(--ct-btn-secondary-bg, #f1f5f9);
  color: var(--ct-btn-secondary-text, #1e293b);
  border-radius: var(--radius-md);
  font-size: 11px;
  font-weight: 600;
  border: 1px solid var(--ct-border, #e2e8f0);
  transition: all var(--transition-fast);
}

.card-link-item:hover {
  border-color: var(--color-slate-400);
}

.link-left {
  display: flex;
  align-items: center;
  gap: 6px;
}

.link-left svg {
  width: 14px;
  height: 14px;
}

/* =========================================================
   ESTÚDIO DE QR CODE (MODAL / PAINEL DEDICADO)
   ========================================================= */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.qr-studio-modal {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 620px;
  overflow: hidden;
  box-shadow: var(--shadow-flat-lg);
  transform: translateY(15px);
  transition: transform var(--transition-normal);
}

.modal-overlay.open .qr-studio-modal {
  transform: translateY(0);
}

.qr-studio-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border-subtle);
  background-color: var(--color-slate-50);
}

.qr-studio-header h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-slate-900);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.modal-close-btn {
  color: var(--text-muted);
  padding: 4px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast);
}

.modal-close-btn:hover {
  color: var(--color-slate-900);
}

/* Alternador das Duas Opções de QR Code */
.qr-mode-switcher {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background-color: var(--color-slate-100);
  padding: 4px;
  margin: var(--space-5) var(--space-6) 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
}

.qr-mode-btn {
  padding: 0.6rem var(--space-3);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--text-muted);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  transition: all var(--transition-fast);
}

.qr-mode-btn.active {
  background-color: var(--color-white);
  color: var(--color-slate-900);
  box-shadow: var(--shadow-flat-sm);
}

.qr-mode-status {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.qr-mode-status.online {
  color: var(--color-accent-blue);
}

.qr-mode-status.offline {
  color: var(--color-success);
}

/* Área do QR Code Renderizado */
.qr-studio-body {
  padding: var(--space-5) var(--space-6);
  text-align: center;
}

.qr-badge-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.qr-badge-indicator.online {
  background-color: var(--color-accent-blue-bg);
  color: var(--color-accent-blue);
  border: 1px solid rgba(37, 99, 235, 0.2);
}

.qr-badge-indicator.offline {
  background-color: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid rgba(13, 148, 136, 0.2);
}

.qr-mode-description {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-5);
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.qr-canvas-box {
  background-color: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  display: inline-block;
  margin-bottom: var(--space-5);
  box-shadow: var(--shadow-flat-sm);
}

.qr-canvas-box canvas {
  display: block;
}

/* Botões de Ação do QR Studio */
.qr-studio-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.qr-link-copy-box {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background-color: var(--color-slate-100);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 6px 12px;
  margin-top: var(--space-4);
  font-size: var(--text-xs);
}

.qr-link-text {
  font-family: var(--font-mono);
  color: var(--color-slate-700);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 380px;
}

/* Toast de Notificação */
.toast-notification {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: var(--color-slate-900);
  color: var(--color-white);
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  box-shadow: var(--shadow-flat-lg);
  z-index: 2000;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: all var(--transition-fast);
}

.toast-notification.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* --- Responsividade --- */
@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

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

  .preview-sticky-col {
    position: static;
    margin-top: var(--space-8);
  }

  .features-grid, .steps-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
  }

  .hero-title {
    font-size: var(--text-3xl);
  }

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

  .hero-dual-box {
    grid-template-columns: 1fr;
  }

  .theme-selector-grid {
    grid-template-columns: 1fr;
  }
}