@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Cores Base - Tema Claro */
  --bg-app: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #ffffff;
  --bg-sidebar: #0f172a;
  --bg-sidebar-hover: #1e293b;
  --bg-sidebar-active: #334155;
  
  --border-subtle: #e2e8f0;
  --border-focus: #3b82f6;
  
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-subtle: #94a3b8;
  --text-on-dark: #f8fafc;
  
  /* Cores de Marca / Ação */
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --primary-glow: rgba(37, 99, 235, 0.15);
  
  --accent: #10b981;
  --accent-light: #ecfdf5;
  
  --warning: #f59e0b;
  --warning-light: #fffbeb;
  
  --danger: #ef4444;
  --danger-light: #fef2f2;
  
  --info: #06b6d4;
  --info-light: #ecfeff;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.2);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.dark {
  --bg-app: #090d16;
  --bg-surface: #111827;
  --bg-surface-elevated: #1f2937;
  --bg-sidebar: #0b0f19;
  --bg-sidebar-hover: #172033;
  --bg-sidebar-active: #1e293b;
  
  --border-subtle: #1f2937;
  --border-focus: #60a5fa;
  
  --text-main: #f9fafb;
  --text-muted: #9ca3af;
  --text-subtle: #6b7280;
  
  --primary-light: rgba(37, 99, 235, 0.15);
  --accent-light: rgba(16, 185, 129, 0.15);
  --warning-light: rgba(245, 158, 11, 0.15);
  --danger-light: rgba(239, 68, 68, 0.15);
  --info-light: rgba(6, 182, 212, 0.15);
  
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.6);
}

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

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

/* Layout Estrutural */
.admin-layout {
  display: flex;
  min-height: 100vh;
  width: 100vw;
}

/* Sidebar */
.sidebar {
  width: 280px;
  background-color: var(--bg-sidebar);
  color: var(--text-on-dark);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: var(--transition);
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  z-index: 40;
}

.sidebar-header {
  padding: 24px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand-badge {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 18px;
  box-shadow: 0 0 15px rgba(37, 99, 235, 0.5);
}

.brand-title {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.brand-subtitle {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #38bdf8;
  font-weight: 600;
}

.sidebar-nav {
  padding: 16px 12px;
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-section-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #64748b;
  font-weight: 700;
  padding: 12px 12px 6px;
  margin-top: 8px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  color: #94a3b8;
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
}

.nav-link:hover {
  background-color: var(--bg-sidebar-hover);
  color: #f8fafc;
}

.nav-link.active {
  background: linear-gradient(90deg, rgba(37, 99, 235, 0.25), rgba(37, 99, 235, 0.08));
  color: #60a5fa;
  font-weight: 600;
  border-color: rgba(96, 165, 250, 0.3);
}

.nav-link i {
  font-size: 18px;
  width: 20px;
  text-align: center;
}

.nav-badge {
  margin-left: auto;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  background-color: var(--primary);
  color: white;
}

.nav-badge.danger {
  background-color: var(--danger);
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: rgba(0, 0, 0, 0.15);
}

.user-profile-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow: hidden;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #10b981, #06b6d4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 14px;
}

.user-info {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.user-name {
  font-size: 13px;
  font-weight: 600;
  color: #f8fafc;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role-badge {
  font-size: 10px;
  font-weight: 700;
  color: #38bdf8;
  letter-spacing: 0.02em;
}

/* Área Principal */
.main-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* Topbar */
.topbar {
  height: 70px;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  z-index: 30;
}

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

.page-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sys-status-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background-color: var(--accent-light);
  border: 1px solid rgba(16, 185, 129, 0.3);
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
}

.sys-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background-color: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0% { transform: scale(0.95); opacity: 0.7; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.7; }
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-surface);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.icon-btn:hover {
  background-color: var(--bg-app);
  color: var(--text-main);
  border-color: var(--text-subtle);
}

/* Área de Conteúdo */
.content-area {
  flex: 1;
  padding: 28px;
  overflow-y: auto;
  background-color: var(--bg-app);
}

/* Cards e Containers */
.card {
  background-color: var(--bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  padding: 24px;
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

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

.card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Grid de Métricas (KPIs) */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.kpi-card {
  background-color: var(--bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  overflow: hidden;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background-color: var(--primary);
}

.kpi-card.accent::before { background-color: var(--accent); }
.kpi-card.warning::before { background-color: var(--warning); }
.kpi-card.info::before { background-color: var(--info); }
.kpi-card.danger::before { background-color: var(--danger); }

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

.kpi-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}

.kpi-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  background-color: var(--primary-light);
  color: var(--primary);
}

.kpi-card.accent .kpi-icon { background-color: var(--accent-light); color: var(--accent); }
.kpi-card.warning .kpi-icon { background-color: var(--warning-light); color: var(--warning); }
.kpi-card.info .kpi-icon { background-color: var(--info-light); color: var(--info); }
.kpi-card.danger .kpi-icon { background-color: var(--danger-light); color: var(--danger); }

.kpi-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.03em;
}

.kpi-trend {
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--accent);
}

/* Tabelas Modernas */
.table-container {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13.5px;
}

.data-table th {
  background-color: var(--bg-app);
  padding: 14px 18px;
  font-weight: 700;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}

.data-table td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-main);
  vertical-align: middle;
}

.data-table tbody tr {
  transition: var(--transition);
}

.data-table tbody tr:hover {
  background-color: rgba(37, 99, 235, 0.02);
}

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

/* Badges e Status */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.status-badge.ativo, .status-badge.pago, .status-badge.resolvido {
  background-color: var(--accent-light);
  color: var(--accent);
}

.status-badge.pendente, .status-badge.trial, .status-badge.em_andamento {
  background-color: var(--warning-light);
  color: var(--warning);
}

.status-badge.bloqueado, .status-badge.atrasado, .status-badge.cancelado, .status-badge.inativo {
  background-color: var(--danger-light);
  color: var(--danger);
}

.status-badge.aberto {
  background-color: var(--info-light);
  color: var(--info);
}

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--primary);
  color: white;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

.btn-secondary {
  background-color: var(--bg-surface);
  border-color: var(--border-subtle);
  color: var(--text-main);
}

.btn-secondary:hover {
  background-color: var(--bg-app);
  border-color: var(--text-subtle);
}

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

.btn-danger:hover {
  background-color: #dc2626;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
  border-radius: var(--radius-sm);
}

/* Formulários */
.form-group {
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-surface);
  color: var(--text-main);
  font-family: var(--font-main);
  font-size: 14px;
  outline: none;
  transition: var(--transition);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

/* Modais */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  padding: 20px;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background-color: var(--bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 580px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95);
  transition: var(--transition);
}

.modal-overlay.active .modal-card {
  transform: scale(1);
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  background-color: var(--bg-app);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 200;
}

.toast {
  background-color: var(--bg-surface);
  color: var(--text-main);
  padding: 14px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13.5px;
  font-weight: 600;
  animation: slideToast 0.3s ease-out;
  max-width: 380px;
}

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

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

/* Banner Informativo de Sigilo */
.confidential-banner {
  background: linear-gradient(135deg, #1e293b, #0f172a);
  color: #f8fafc;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid #334155;
}

.confidential-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.confidential-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background-color: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

/* Responsividade */
@media (max-width: 960px) {
  .admin-layout {
    flex-direction: column;
  }
  .sidebar {
    width: 100%;
    height: auto;
  }
  .main-wrapper {
    height: auto;
  }
}