:root {
  --bg-base: #06040A;
  --bg-sidebar: #0C0814;
  --bg-card: rgba(18, 14, 28, 0.75);
  --bg-card-hover: rgba(28, 22, 44, 0.9);
  --bg-modal: #120E1E;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(168, 85, 247, 0.3);
  
  --echidna-purple: #A855F7;
  --echidna-glow: rgba(168, 85, 247, 0.25);
  --rokumi-pink: #EC4899;
  --rokumi-glow: rgba(236, 72, 153, 0.25);
  --jinwoo-cyan: #06B6D4;
  --jinwoo-glow: rgba(6, 182, 212, 0.25);
  --infra-emerald: #10B981;
  --infra-glow: rgba(16, 185, 129, 0.25);
  --gold-amber: #F59E0B;
  --claude-coral: #E06D43;

  --text-main: #FFFFFF;
  --text-muted: #9CA3AF;
  --text-dim: #6B7280;
  
  --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  background-color: var(--bg-base);
  color: var(--text-main);
  font-family: var(--font-family);
  min-height: 100vh;
  display: flex;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 10% 10%, rgba(168, 85, 247, 0.09) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(236, 72, 153, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 50% 50%, rgba(6, 182, 212, 0.05) 0%, transparent 50%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

/* Sidebar Dark Luxury Obsidian */
.sidebar {
  width: 270px;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
  position: sticky;
  top: 0;
  height: 100vh;
  backdrop-filter: blur(25px);
  z-index: 100;
}

.brand-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding: 0 4px 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--echidna-purple), var(--rokumi-pink));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
  box-shadow: 0 0 20px var(--echidna-glow);
  color: #FFFFFF;
}

.brand-name {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.3px;
  background: linear-gradient(90deg, #FFFFFF, #D8B4FE);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-sub {
  font-size: 10px;
  text-transform: uppercase;
  color: #C084FC;
  letter-spacing: 1px;
  font-weight: 600;
}

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 16px;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.nav-item:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.04);
}

.nav-item.active {
  color: #FFFFFF;
  background: rgba(168, 85, 247, 0.14);
  border-color: var(--border-accent);
  box-shadow: 0 0 16px rgba(168, 85, 247, 0.15);
}

.nav-symbol {
  font-size: 14px;
  width: 18px;
  text-align: center;
}

.sidebar-bottom {
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.classic-dash-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: var(--transition);
}

.classic-dash-btn:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.08);
}

/* Workspace Principal */
.main-content {
  flex: 1;
  padding: 32px 44px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  max-width: 1440px;
  margin: 0 auto;
  width: 100%;
}

.header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.page-title {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.3px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-subtitle {
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 4px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.pulse-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: 20px;
  font-size: 11px;
  color: #34D399;
  font-weight: 600;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10B981;
  box-shadow: 0 0 8px #10B981;
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0% { transform: scale(0.9); opacity: 0.8; }
  50% { transform: scale(1.25); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.8; }
}

.btn-sync {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 7px 14px;
  border-radius: var(--radius-md);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.btn-sync:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
}

/* KPI Top 4 Cards Grid */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
  backdrop-filter: blur(15px);
  transition: var(--transition);
  cursor: pointer;
  overflow: hidden;
}

.kpi-card:hover {
  transform: translateY(-2px);
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.15);
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3.5px;
  height: 100%;
}

.kpi-card.purple::before { background: var(--echidna-purple); }
.kpi-card.pink::before { background: var(--rokumi-pink); }
.kpi-card.cyan::before { background: var(--jinwoo-cyan); }
.kpi-card.emerald::before { background: var(--infra-emerald); }

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

.kpi-title {
  font-size: 11.5px;
  color: var(--text-dim);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.7px;
}

.kpi-badge-icon {
  font-size: 14px;
  color: var(--text-muted);
}

.kpi-main-val {
  font-size: 26px;
  font-weight: 800;
  color: #FFFFFF;
  letter-spacing: -0.5px;
}

.kpi-subtext {
  font-size: 11px;
  color: var(--text-muted);
}

/* Middle Rows: Visual Charts (Usage Over Time + Donut) */
.middle-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
}

.panel-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  backdrop-filter: blur(15px);
  position: relative;
}

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

.panel-title {
  font-size: 14.5px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-pills {
  display: flex;
  gap: 4px;
  background: rgba(0, 0, 0, 0.3);
  padding: 3px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.pill-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition);
}

.pill-btn.active {
  background: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
  font-weight: 600;
}

/* Donut Legend Styling */
.donut-legend {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
}

.legend-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  padding: 4px 6px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  cursor: pointer;
}

.legend-item:hover {
  background: rgba(255, 255, 255, 0.04);
}

.legend-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.legend-label {
  color: var(--text-muted);
  font-weight: 500;
}

.legend-sub {
  color: var(--text-dim);
  font-size: 10px;
}

.legend-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.legend-val {
  color: #FFFFFF;
  font-weight: 600;
}

.legend-percent {
  color: var(--text-dim);
  font-size: 11px;
}

/* Bottom Row: Activity Heatmap & Peak Hours */
.bottom-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
}

.heatmap-container {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 10px 0;
}

.heatmap-days-labels {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 110px;
  font-size: 10px;
  color: var(--text-dim);
  font-weight: 500;
}

.heatmap-grid {
  display: grid;
  grid-auto-flow: column;
  grid-template-rows: repeat(7, 1fr);
  gap: 4px;
}

.heat-cell {
  width: 13px;
  height: 13px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.04);
  transition: transform 0.15s ease;
  cursor: pointer;
}

.heat-cell:hover {
  transform: scale(1.35);
  outline: 1px solid #FFFFFF;
}

.heat-cell.lvl-0 { background: rgba(255, 255, 255, 0.03); }
.heat-cell.lvl-1 { background: rgba(236, 72, 153, 0.3); }
.heat-cell.lvl-2 { background: rgba(236, 72, 153, 0.55); }
.heat-cell.lvl-3 { background: rgba(236, 72, 153, 0.8); }
.heat-cell.lvl-4 { background: #EC4899; box-shadow: 0 0 6px var(--rokumi-pink); }

/* Interactive Tables with Clickable Rows */
.interactive-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}

.interactive-table th {
  text-align: left;
  padding: 10px 14px;
  color: var(--text-dim);
  font-weight: 600;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

.interactive-table td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  color: var(--text-muted);
}

.interactive-table tr.clickable {
  cursor: pointer;
  transition: var(--transition);
}

.interactive-table tr.clickable:hover td {
  background: rgba(255, 255, 255, 0.04);
  color: #FFFFFF;
}

.code-pill {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: #D8B4FE;
  background: rgba(168, 85, 247, 0.12);
  border: 1px solid rgba(168, 85, 247, 0.25);
  padding: 2px 7px;
  border-radius: 4px;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  border-radius: 10px;
  font-size: 10.5px;
  font-weight: 600;
}

.status-badge.online {
  background: rgba(16, 185, 129, 0.15);
  color: #34D399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-badge.warn {
  background: rgba(245, 158, 11, 0.15);
  color: #FBBF24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-badge.danger {
  background: rgba(239, 68, 68, 0.15);
  color: #F87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Modais Interativos para Abrir e Inspecionar Itens */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(6, 4, 10, 0.75);
  backdrop-filter: blur(12px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal-box {
  background: var(--bg-modal);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  padding: 28px;
  max-width: 580px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8), 0 0 30px var(--echidna-glow);
  position: relative;
  animation: modalEnter 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

.modal-title {
  font-size: 17px;
  font-weight: 700;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  transition: var(--transition);
}

.modal-close:hover {
  color: #FFFFFF;
}

.modal-body {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 12px;
  line-height: 1.6;
}

.dossier-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.dossier-label {
  color: var(--text-dim);
  font-weight: 500;
}

.dossier-val {
  color: #FFFFFF;
  font-weight: 600;
  font-family: var(--font-mono);
}

.evidence-box {
  background: rgba(0, 0, 0, 0.4);
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1px dashed rgba(255, 255, 255, 0.1);
  font-family: var(--font-mono);
  font-size: 12px;
  color: #F3F4F6;
  white-space: pre-wrap;
  word-break: break-all;
}

/* View Containers */
.view-panel {
  display: none;
}

.view-panel.active {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* Responsividade */
@media (max-width: 1024px) {
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
  .middle-row, .bottom-row { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  body { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: relative; }
  .main-content { padding: 20px; }
  .kpi-row { grid-template-columns: 1fr; }
}