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

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --secondary: #64748b;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --purple: #8b5cf6;
  --teal: #14b8a6;
  --bg: #0f172a;
  --bg-card: #1e293b;
  --bg-sidebar: #0f172a;
  --text: #f8fafc;
  --text-muted: #94a3b8;
  --border: #334155;
  --sidebar-width: 260px;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.hidden { display: none !important; }

/* Login */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.login-logo {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo i {
  font-size: 48px;
  color: var(--primary);
  margin-bottom: 16px;
}

.login-logo h1 {
  font-size: 24px;
  color: var(--text);
}

.login-logo p {
  color: var(--text-muted);
}

/* Forms */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
}

/* Buttons */
.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
}

.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success); color: white; }
.btn-warning { background: var(--warning); color: #000; }
.btn-danger { background: var(--danger); color: white; }
.btn-secondary { background: var(--secondary); color: white; }
.btn-ghost { background: transparent; color: var(--text-muted); }
.btn-ghost:hover { background: var(--bg-card); color: var(--text); }
.btn-block { width: 100%; justify-content: center; }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-icon { background: transparent; color: var(--text-muted); padding: 8px; }

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

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  z-index: 100;
}

.sidebar-header {
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border);
}

.sidebar-header i {
  font-size: 24px;
  color: var(--primary);
}

.sidebar-header span {
  font-size: 16px;
  font-weight: 700;
}

.sidebar-nav {
  flex: 1;
  padding: 12px;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: 8px;
  margin-bottom: 4px;
  transition: all 0.2s;
  position: relative;
}

.nav-item:hover {
  background: var(--bg-card);
  color: var(--text);
}

.nav-item.active {
  background: var(--primary);
  color: white;
}

.nav-item .badge {
  position: absolute;
  right: 12px;
  background: var(--danger);
  color: white;
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 10px;
}

.sidebar-footer {
  padding: 12px;
  border-top: 1px solid var(--border);
}

/* Main Content */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
}

.topbar {
  height: 64px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 20px;
  cursor: pointer;
}

.topbar-title h2 {
  font-size: 18px;
  font-weight: 600;
}

.topbar-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-icon {
  position: relative;
}

.badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--danger);
  color: white;
  font-size: 10px;
  padding: 2px 5px;
  border-radius: 8px;
  min-width: 16px;
  text-align: center;
}

.content {
  flex: 1;
  padding: 24px;
  overflow-y: auto;
}

/* Pages */
.page {
  display: none;
}

.page.active {
  display: block;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.bg-blue { background: rgba(37, 99, 235, 0.2); color: var(--primary); }
.bg-green { background: rgba(16, 185, 129, 0.2); color: var(--success); }
.bg-yellow { background: rgba(245, 158, 11, 0.2); color: var(--warning); }
.bg-red { background: rgba(239, 68, 68, 0.2); color: var(--danger); }
.bg-purple { background: rgba(139, 92, 246, 0.2); color: var(--purple); }
.bg-teal { background: rgba(20, 184, 166, 0.2); color: var(--teal); }

.stat-info h3 {
  font-size: 24px;
  font-weight: 700;
}

.stat-info p {
  font-size: 13px;
  color: var(--text-muted);
}

/* Charts */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.chart-card h3 {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Tables */
.tables-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 16px;
}

.table-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.table-card h3 {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.data-table th,
.data-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.data-table th {
  font-size: 12px;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
}

.data-table tbody tr:hover {
  background: rgba(37, 99, 235, 0.05);
}

.data-table .empty {
  text-align: center;
  color: var(--text-muted);
  padding: 32px;
}

/* Status badges */
.status {
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.status-pendente { background: rgba(245, 158, 11, 0.2); color: var(--warning); }
.status-pago { background: rgba(16, 185, 129, 0.2); color: var(--success); }
.status-atrasado { background: rgba(239, 68, 68, 0.2); color: var(--danger); }
.status-ativo { background: rgba(16, 185, 129, 0.2); color: var(--success); }
.status-inativo { background: rgba(100, 116, 139, 0.2); color: var(--secondary); }

/* Page Actions */
.page-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  align-items: center;
  flex-wrap: wrap;
}

.search-box {
  position: relative;
  flex: 1;
  max-width: 400px;
}

.search-box i {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.search-box input {
  width: 100%;
  padding: 10px 16px 10px 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
}

.filters select {
  padding: 10px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
}

/* Alerts List */
.alerts-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.alert-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.alert-item.nao-lido {
  border-left: 4px solid var(--primary);
}

.alert-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.alert-icon.vencimento { background: rgba(245, 158, 11, 0.2); color: var(--warning); }
.alert-icon.atraso { background: rgba(239, 68, 68, 0.2); color: var(--danger); }
.alert-icon.info { background: rgba(37, 99, 235, 0.2); color: var(--primary); }

.alert-content {
  flex: 1;
}

.alert-content h4 {
  font-size: 14px;
  margin-bottom: 4px;
}

.alert-content p {
  font-size: 13px;
  color: var(--text-muted);
}

.alert-time {
  font-size: 12px;
  color: var(--text-muted);
}

/* Config */
.config-sections {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.config-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.config-toggles {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 12px;
}

.toggle-label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  color: var(--text);
}

.toggle-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
}

.webhooks-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 12px;
}

.webhook-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
}

.vettazap-status {
  margin-top: 16px;
  padding: 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.status-item {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--secondary);
}

.status-dot.online { background: var(--success); }
.status-dot.offline { background: var(--danger); }

.sessoes-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sessao-item {
  padding: 8px 12px;
  background: var(--bg-card);
  border-radius: 6px;
  font-size: 13px;
  display: flex;
  justify-content: space-between;
}

.method-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
}

.method-badge.get { background: #10b981; }
.method-badge.post { background: #3b82f6; }
.method-badge.put { background: #f59e0b; }
.method-badge.delete { background: #ef4444; }

.api-ref-table {
  overflow-x: auto;
  margin-top: 8px;
}

.api-result {
  margin-top: 12px;
  padding: 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 12px;
  color: var(--text-muted);
  max-height: 300px;
  overflow: auto;
  white-space: pre-wrap;
  font-family: 'Consolas', 'Courier New', monospace;
}

.config-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}

.config-card h3 {
  font-size: 16px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
}

.config-card h4 {
  font-size: 14px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

@media (max-width: 768px) {
  .config-grid-2 {
    grid-template-columns: 1fr;
  }
}

.crm-status {
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.crm-status i {
  font-size: 16px;
}

.orc-item-row {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
  align-items: center;
}

/* Report */
.report-filters {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  align-items: flex-end;
  flex-wrap: wrap;
}

.report-result {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
}

.modal-content {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 24px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
}

/* Responsive */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s;
  }

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

  .main-content {
    margin-left: 0;
  }

  .menu-toggle {
    display: block;
  }

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

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

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