:root {
  --font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --bg-app: #0f172a;
  --bg-sidebar: #0b1120;
  --bg-card: #1e293b;
  --bg-card-hover: #24334c;
  --bg-input: #0f172a;
  --border-color: #334155;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-sub: #64748b;
  
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-glow: rgba(59, 130, 246, 0.25);
  
  --success: #10b981;
  --success-glow: rgba(16, 185, 129, 0.25);
  --warning: #f59e0b;
  --warning-glow: rgba(245, 158, 11, 0.25);
  --danger: #ef4444;
  --danger-glow: rgba(239, 68, 68, 0.25);
  --purple: #8b5cf6;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-app);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* App Container Layout */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 280px;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  padding: 1.5rem 1rem;
  flex-shrink: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0 0.75rem 1.75rem 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.brand-logo {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4);
}

.brand-text h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.brand-text span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-top: 1.5rem;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.8rem 1rem;
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-family: var(--font-family);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
  width: 100%;
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
}

.nav-item.active {
  background: linear-gradient(90deg, rgba(59, 130, 246, 0.15), rgba(139, 92, 246, 0.05));
  color: #60a5fa;
  border-left: 3px solid #3b82f6;
  font-weight: 600;
}

.nav-icon {
  font-size: 1.15rem;
}

.sidebar-footer {
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-color);
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-dot.connected {
  background-color: var(--success);
  box-shadow: 0 0 10px var(--success);
}

.status-dot.disconnected {
  background-color: var(--danger);
  box-shadow: 0 0 10px var(--danger);
}

.status-info {
  display: flex;
  flex-direction: column;
}

.status-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-sub);
}

.status-value {
  font-size: 0.825rem;
  font-weight: 600;
}

/* Main Content */
.main-content {
  flex: 1;
  padding: 2rem 2.5rem;
  overflow-y: auto;
  max-width: 1400px;
}

/* Topbar */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  gap: 1.5rem;
}

.page-title-group h1 {
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-main);
}

.page-title-group p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.topbar-actions {
  display: flex;
  gap: 0.75rem;
}

/* Tab Panes */
.tab-pane {
  display: none;
  animation: fadeIn 0.25s ease-out;
}

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

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.stat-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.stat-card:hover {
  transform: translateY(-2px);
  border-color: #475569;
  box-shadow: var(--shadow-md);
}

.stat-icon {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.icon-blue { background: rgba(59, 130, 246, 0.15); color: #60a5fa; }
.icon-green { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.icon-orange { background: rgba(245, 158, 11, 0.15); color: #fbbf24; }
.icon-purple { background: rgba(139, 92, 246, 0.15); color: #a78bfa; }

.stat-details {
  display: flex;
  flex-direction: column;
}

.stat-title {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.stat-number {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.2;
  margin: 0.2rem 0;
}

.stat-hint {
  font-size: 0.75rem;
  color: var(--text-sub);
}

/* Alert Banner */
.alert-banner {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  margin-bottom: 2rem;
  border: 1px solid transparent;
}

.alert-banner.warning {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.3);
}

.alert-icon {
  font-size: 1.75rem;
}

.alert-body h4 {
  font-size: 1rem;
  color: #fbbf24;
  margin-bottom: 0.25rem;
}

.alert-body p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Cards */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.card-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
}

.subtitle {
  font-size: 0.925rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  margin-bottom: 1.5rem;
}

.subtitle a {
  color: #60a5fa;
  text-decoration: underline;
}

/* Tables */
.table-responsive {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.925rem;
}

.data-table th {
  background: rgba(15, 23, 42, 0.6);
  color: var(--text-muted);
  font-weight: 600;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.data-table td {
  padding: 1rem;
  border-bottom: 1px solid rgba(51, 65, 85, 0.5);
  color: var(--text-main);
  vertical-align: middle;
}

.data-table tr:hover td {
  background-color: var(--bg-card-hover);
}

.empty-state {
  padding: 3rem 1rem !important;
  color: var(--text-sub) !important;
  font-style: italic;
}

/* Status Badges */
.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: uppercase;
  letter-spacing: 0.04em;
}

.badge-sent {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-pending {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-unmapped {
  background: rgba(139, 92, 246, 0.15);
  color: #c084fc;
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.badge-failed {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-active {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-inactive {
  background: rgba(100, 116, 139, 0.2);
  color: #94a3b8;
  border: 1px solid rgba(100, 116, 139, 0.3);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  font-family: var(--font-family);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: white;
  box-shadow: 0 4px 12px var(--primary-glow);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--border-color);
  color: var(--text-main);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  color: white;
}

.btn-success {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
  box-shadow: 0 4px 12px var(--success-glow);
}
.btn-success:hover {
  background: linear-gradient(135deg, #059669, #047857);
}

.btn-warning {
  background: #f59e0b;
  color: #0f172a;
  font-weight: 700;
}
.btn-warning:hover {
  background: #d97706;
}

.btn-link {
  background: transparent;
  color: #60a5fa;
  border: none;
  padding: 0;
  font-size: 0.875rem;
  cursor: pointer;
}
.btn-link:hover {
  text-decoration: underline;
}

.btn-action-icon {
  padding: 0.35rem 0.6rem;
  font-size: 0.85rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}
.btn-action-icon:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.1);
}

.btn-large {
  padding: 0.85rem 1.75rem;
  font-size: 1rem;
}

/* Forms */
.form-vertical {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
}

.form-group small {
  font-size: 0.775rem;
  color: var(--text-muted);
}

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

.input-text, .input-textarea, .input-select {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: 0.925rem;
  transition: var(--transition);
  width: 100%;
}

.input-text:focus, .input-textarea:focus, .input-select:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-group-checkbox {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.5rem;
}

/* ML Connect Card */
.ml-connect-box {
  margin-top: 1rem;
}

.ml-account-card {
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.account-badge {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 9999px;
  font-size: 0.9rem;
}

/* Grid 2 Cols */
.grid-2-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

.simulation-preview {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  min-height: 250px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.simulation-preview .placeholder-text {
  color: var(--text-sub);
  text-align: center;
  font-size: 0.9rem;
}

.chat-bubble {
  background: #1e3a8a;
  color: white;
  padding: 1.25rem;
  border-radius: var(--radius-md) var(--radius-md) var(--radius-sm) var(--radius-md);
  box-shadow: var(--shadow-sm);
  font-size: 0.925rem;
  white-space: pre-wrap;
  border: 1px solid #2563eb;
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
}

.modal-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  padding: 2rem;
  animation: modalScale 0.2s ease-out;
}

@keyframes modalScale {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.modal-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.25rem;
  cursor: pointer;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-color);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 9999;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  color: var(--text-main);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 280px;
  animation: slideInRight 0.3s ease-out;
}

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

.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.info { border-left: 4px solid var(--primary); }

/* Responsive adjustments */
@media (max-width: 900px) {
  .app-container {
    flex-direction: column;
  }
  .sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }
  .grid-2-cols {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* Financial Styles & Analytics */
.icon-cyan { background: rgba(6, 182, 212, 0.15); color: #22d3ee; }
.icon-red { background: rgba(239, 68, 68, 0.15); color: #f87171; }
.icon-emerald { background: rgba(16, 185, 129, 0.18); color: #34d399; }
.icon-gold { background: rgba(234, 179, 8, 0.15); color: #facc15; }

.stat-card-fin {
  background: linear-gradient(145deg, #1e293b, #172033);
  border: 1px solid #334155;
}
.stat-card-fin:hover {
  border-color: #64748b;
}

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

.rank-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
}
.rank-badge-1 {
  background: rgba(234, 179, 8, 0.25);
  color: #facc15;
  border: 1px solid rgba(234, 179, 8, 0.5);
}
.rank-badge-2 {
  background: rgba(148, 163, 184, 0.25);
  color: #cbd5e1;
  border: 1px solid rgba(148, 163, 184, 0.5);
}
.rank-badge-3 {
  background: rgba(180, 83, 9, 0.25);
  color: #fb923c;
  border: 1px solid rgba(180, 83, 9, 0.5);
}
.rank-badge-other {
  background: rgba(51, 65, 85, 0.5);
  color: #94a3b8;
}

.amount-net {
  color: #34d399;
  font-weight: 600;
}
.amount-gross {
  color: var(--text-main);
  font-weight: 500;
}
.amount-fee {
  color: #f87171;
  font-size: 0.85rem;
}

.payment-tag {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  background: rgba(148, 163, 184, 0.15);
  color: #94a3b8;
  margin-top: 0.2rem;
}
.payment-tag.pix {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
}
.payment-tag.credit_card {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
}