:root {
  --primary: #0047BA;
  --primary-hover: #00368F;
  --primary-light: #EBF2FD;
  --accent: #00A3E0;
  --accent-light: #E0F5FD;
  --bg-main: #F4F7FA;
  --card-bg: #FFFFFF;
  --text-main: #0F172A;
  --text-muted: #64748B;
  --border-color: #E2E8F0;
  --success: #10B981;
  --success-bg: #ECFDF5;
  --warning: #F59E0B;
  --warning-bg: #FFFBEB;
  --danger: #EF4444;
  --danger-bg: #FEF2F2;
  --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.03);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-main);
  background-image: radial-gradient(at 0% 0%, rgba(0, 71, 186, 0.03) 0px, transparent 50%),
                    radial-gradient(at 100% 100%, rgba(0, 163, 224, 0.04) 0px, transparent 50%);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.app-header {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 1.5rem;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.logo-badge {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(0, 71, 186, 0.25);
}

.brand-text h1 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
}

.brand-text h1 span {
  color: var(--accent);
}

.brand-text .subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.header-status {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.78rem;
  font-weight: 600;
}

.status-ready {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-error {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}

.browser-mode-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 600;
  border: 1px solid rgba(0, 71, 186, 0.15);
}

/* Layout */
.main-content {
  flex: 1;
  max-width: 1400px;
  width: 100%;
  margin: 1.5rem auto;
  padding: 0 1.5rem;
}

.content-grid {
  display: grid;
  grid-template-columns: 460px 1fr;
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 1024px) {
  .content-grid {
    grid-template-columns: 1fr;
  }
}

/* Card */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.card-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  background: #FCFDFF;
}

.card-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.card-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-header h2 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-main);
}

.card-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Formulário */
.form-body {
  padding: 1.5rem;
}

.form-group {
  margin-bottom: 1.15rem;
}

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

.input-wrapper, .select-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 0.9rem;
  color: var(--text-muted);
  pointer-events: none;
}

.form-group input, .form-group select {
  width: 100%;
  padding: 0.75rem 0.9rem 0.75rem 2.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.92rem;
  color: var(--text-main);
  background: #FAFAFC;
  transition: all 0.2s ease;
}

.form-group select {
  padding-left: 0.9rem;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
  background-size: 1rem;
  appearance: none;
}

.form-group input:focus, .form-group select:focus {
  outline: none;
  border-color: var(--primary);
  background: #FFF;
  box-shadow: 0 0 0 3px rgba(0, 71, 186, 0.12);
}

.field-hint {
  display: block;
  font-size: 0.73rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

.form-options {
  margin: 1.25rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 0.85rem;
  background: #F8FAFC;
  border-radius: var(--radius-sm);
  border: 1px solid #E2E8F0;
}

.checkbox-container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.82rem;
  color: var(--text-main);
  user-select: none;
}

.checkbox-container input {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
  cursor: pointer;
}

/* Caixa de Desafio Adicional */
.challenge-box {
  background: var(--warning-bg);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: var(--radius-md);
  padding: 1.1rem;
  margin-bottom: 1.25rem;
  animation: fadeIn 0.3s ease;
}

.challenge-header {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: #B45309;
  margin-bottom: 0.85rem;
}

.challenge-header strong {
  font-size: 0.9rem;
  display: block;
}

.challenge-header p {
  font-size: 0.8rem;
  color: #78350F;
  margin-top: 0.2rem;
}

.challenge-input-row {
  display: flex;
  gap: 0.6rem;
}

.challenge-input-row input {
  flex: 1;
  padding: 0.65rem 0.85rem;
  border: 1px solid #FCD34D;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  background: #FFF;
}

.btn-challenge {
  background: #D97706;
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.65rem 1.1rem;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s;
}

.btn-challenge:hover {
  background: #B45309;
}

/* Botões */
.action-buttons {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.4rem;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary {
  flex: 1.6;
  background: linear-gradient(135deg, var(--primary), #00368F);
  color: #fff;
  box-shadow: 0 4px 10px rgba(0, 71, 186, 0.2);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, #00368F, #00266B);
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(0, 71, 186, 0.3);
}

.btn-secondary {
  flex: 1;
  background: #F1F5F9;
  color: #475569;
  border: 1px solid var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
  background: #E2E8F0;
  color: #1E293B;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* Stepper / Timeline */
.timeline-container {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border-color);
  background: #FAFAFC;
}

.section-label {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 700;
  margin-bottom: 1rem;
}

.stepper {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.step-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.5rem 0.65rem;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.step-circle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #E2E8F0;
  color: #64748B;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
  transition: all 0.25s ease;
}

.step-content {
  display: flex;
  flex-direction: column;
}

.step-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: #64748B;
}

.step-desc {
  font-size: 0.72rem;
  color: #94A3B8;
}

.step-item.active {
  background: #EFF6FF;
}

.step-item.active .step-circle {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 0 0 4px rgba(0, 71, 186, 0.15);
}

.step-item.active .step-title {
  color: var(--primary);
}

.step-item.completed .step-circle {
  background: var(--success);
  color: #fff;
}

.step-item.completed .step-title {
  color: var(--text-main);
}

.current-step-display {
  margin-top: 1rem;
  padding: 0.65rem 0.9rem;
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
}

.pulse-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 rgba(0, 163, 224, 0.4);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(0, 163, 224, 0.6); }
  70% { box-shadow: 0 0 0 8px rgba(0, 163, 224, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 163, 224, 0); }
}

/* Painel Direito - Abas */
.tabs-header {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  background: #FCFDFF;
  padding: 0 0.75rem;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.15rem;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.tab-btn:hover {
  color: var(--primary);
}

.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  background: rgba(0, 71, 186, 0.02);
}

.tab-content {
  display: none;
  padding: 1.5rem;
}

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

/* Banners de Resultado */
.result-banner {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  transition: all 0.3s ease;
}

.banner-idle {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  color: #475569;
}

.banner-idle .banner-icon-wrap {
  background: #E2E8F0;
  color: #64748B;
}

.banner-success {
  background: var(--success-bg);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #065F46;
}

.banner-success .banner-icon-wrap {
  background: #D1FAE5;
  color: #059669;
}

.banner-error {
  background: var(--danger-bg);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #991B1B;
}

.banner-error .banner-icon-wrap {
  background: #FEE2E2;
  color: #DC2626;
}

.banner-icon-wrap {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.banner-title-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.banner-title-row h3 {
  font-size: 1.05rem;
  font-weight: 700;
}

.badge {
  display: inline-flex;
  padding: 0.2rem 0.55rem;
  border-radius: 9999px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
}

.badge-cache {
  background: #FEF3C7;
  color: #92400E;
  border: 1px solid #FDE68A;
}

/* Métricas */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

@media (max-width: 1200px) {
  .metric-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {
  .metric-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.metric-card {
  background: #FAFAFC;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.metric-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.metric-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
}

.amount-highlight {
  color: var(--primary);
}

.text-danger {
  color: var(--danger);
}

.text-success {
  color: var(--success);
}

.text-warning {
  color: #D97706;
}

/* Dados da Instalação */
.customer-info-box {
  background: #F8FAFC;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
}

.customer-info-box h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.75rem;
}

.customer-fields {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

@media (max-width: 640px) {
  .customer-fields {
    grid-template-columns: 1fr;
  }
}

.customer-field {
  font-size: 0.82rem;
}

.customer-field .field-title {
  color: var(--text-muted);
  font-weight: 500;
  margin-right: 0.35rem;
}

.customer-field .field-value {
  font-weight: 600;
  color: var(--text-main);
}

/* Tabela de Débitos */
.table-responsive {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.debts-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.85rem;
}

.debts-table th {
  background: #F8FAFC;
  padding: 0.85rem 1rem;
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
}

.debts-table td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
}

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

.debts-table tr:hover:not(.empty-row) {
  background: #F8FAFC;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: capitalize;
}

.status-open {
  background: var(--warning-bg);
  color: #B45309;
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.status-overdue {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.25);
}

.status-paid {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.table-filter-bar {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.table-filter-btn {
  background: #F1F5F9;
  border: 1px solid var(--border-color);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.table-filter-btn:hover {
  background: #E2E8F0;
  color: var(--text-main);
}

.table-filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #FFFFFF;
}

.text-paid-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--success);
  font-weight: 600;
  font-size: 0.8rem;
}

.barcode-text {
  font-family: monospace;
  font-size: 0.75rem;
  background: #F1F5F9;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  color: #334155;
  display: inline-block;
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.empty-row td {
  text-align: center;
  color: var(--text-muted);
  padding: 2.5rem 1rem;
}

/* Aba JSON */
.json-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.json-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.btn-small {
  padding: 0.4rem 0.85rem;
  font-size: 0.8rem;
  background: #F1F5F9;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: #334155;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.2s;
}

.btn-small:hover {
  background: #E2E8F0;
  color: #0F172A;
}

.json-viewer {
  background: #0B0F19;
  color: #38BDF8;
  padding: 1.25rem;
  border-radius: var(--radius-md);
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 0.82rem;
  line-height: 1.5;
  max-height: 480px;
  overflow-y: auto;
  border: 1px solid #1E293B;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.4);
}

/* Aba Logs */
.logs-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.logs-count {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.terminal-logs {
  background: #0D1117;
  color: #E6EDF3;
  padding: 1rem;
  border-radius: var(--radius-md);
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 0.78rem;
  line-height: 1.6;
  max-height: 480px;
  overflow-y: auto;
  border: 1px solid #30363D;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.log-line {
  word-break: break-all;
}

.log-info { color: #58A6FF; }
.log-step { color: #7EE787; font-weight: 600; }
.log-warn { color: #D29922; }
.log-error { color: #F85149; font-weight: 600; }
.log-debug { color: #8B949E; }

/* Footer */
.app-footer {
  text-align: center;
  padding: 1.5rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  background: #FFF;
}

/* Utilitários */
.hidden {
  display: none !important;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}