:root {
  --bg-primary: #07090e;
  --bg-secondary: #0d121d;
  --bg-card: rgba(13, 18, 29, 0.94);
  --bg-surface: #141b29;
  
  --text-main: #f0f4fc;
  --text-muted: #8b9bb4;
  --text-dim: #50617a;
  
  --accent-cyan: #00d2ff;
  --accent-blue: #0070f3;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-red: #ef4444;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 210, 255, 0.3);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* Header Superior */
.admin-navbar {
  background: rgba(13, 18, 29, 0.96);
  border-bottom: 1px solid var(--border-subtle);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-badge {
  background: rgba(0, 210, 255, 0.12);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 210, 255, 0.3);
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.brand-title {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.3px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-status-indicators {
  display: flex;
  align-items: center;
  gap: 18px;
}

.indicator-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
}

.dot-green {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

.admin-user-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 12.5px;
}

.btn-logout {
  background: none;
  border: none;
  color: var(--accent-red);
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
}

/* Layout Principal */
.admin-container {
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
  padding: 24px 28px;
  flex: 1;
}

/* Grade de KPIs */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 24px;
}

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

.kpi-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-cyan), transparent);
}

.kpi-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.kpi-title {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-muted);
  font-weight: 600;
}

.kpi-icon {
  color: var(--accent-cyan);
}

.kpi-value {
  font-size: 26px;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-main);
  margin-bottom: 4px;
}

.kpi-sub {
  font-size: 11.5px;
  color: var(--accent-emerald);
}

/* Navegação por Abas */
.admin-tabs {
  display: flex;
  gap: 10px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 24px;
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 13.5px;
  font-weight: 600;
  padding: 10px 18px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

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

.tab-btn.active {
  color: var(--accent-cyan);
  border-bottom-color: var(--accent-cyan);
}

/* Painéis de Conteúdo */
.tab-content {
  display: none;
  animation: fadeIn 0.2s ease;
}

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

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

/* Cards e Painéis */
.panel-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
}

.panel-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 14px;
}

.panel-title {
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.search-box {
  display: flex;
  align-items: center;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  gap: 8px;
  width: 320px;
}

.search-box input {
  background: none;
  border: none;
  color: var(--text-main);
  outline: none;
  font-size: 13px;
  width: 100%;
}

/* Tabelas Administrativas */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13px;
}

.admin-table th {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-dim);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.admin-table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--text-main);
  vertical-align: middle;
}

.admin-table tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

/* Badges e Status */
.badge-status {
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.badge-active {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
}

.badge-expired {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-red);
}

.badge-pending {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
}

.guid-code {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-muted);
}

/* Botões de Ação */
.btn-action-group {
  display: flex;
  gap: 8px;
}

.btn-admin {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
}

.btn-admin:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--text-muted);
}

.btn-admin-danger {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.4);
  color: var(--accent-red);
}

.btn-admin-danger:hover {
  background: var(--accent-red);
  color: #fff;
}

.btn-admin-primary {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
  color: #000;
  font-weight: 700;
}

.btn-admin-primary:hover {
  background: #2fe0ff;
}

/* Rastreador Forense de Vazamentos */
.tracer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.tracer-input-box textarea {
  width: 100%;
  height: 240px;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  padding: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  resize: none;
  outline: none;
  margin-bottom: 14px;
}

.tracer-input-box textarea:focus {
  border-color: var(--accent-cyan);
}

.dossier-card {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 20px;
  min-height: 240px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.dossier-card.detected {
  border-color: var(--accent-red);
  background: rgba(239, 68, 68, 0.04);
}

.dossier-item {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 12.5px;
}

.dossier-item span {
  color: var(--text-muted);
}

.dossier-item strong {
  color: var(--text-main);
  font-family: var(--font-mono);
}

/* Modal de Login Admin */
.login-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.login-card {
  width: 420px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
}

.login-form-group {
  margin-bottom: 16px;
}

.login-form-group label {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.login-form-group input {
  width: 100%;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text-main);
  font-size: 13.5px;
  outline: none;
}

.login-form-group input:focus {
  border-color: var(--accent-cyan);
}

.hidden {
  display: none !important;
}

@media (max-width: 1024px) {
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .tracer-grid {
    grid-template-columns: 1fr;
  }
}