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

:root {
  --bg-main: #090d16;
  --bg-card: #0f172a;
  --bg-card-hover: #172033;
  --bg-sidebar: #0b1120;
  --border-color: #1e293b;
  --border-glow: #334155;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --color-brand: #0284c7;
  --color-brand-glow: rgba(2, 132, 199, 0.3);
  --color-success: #10b981;
  --color-success-glow: rgba(16, 185, 129, 0.25);
  --color-warning: #f59e0b;
  --color-warning-glow: rgba(245, 158, 11, 0.25);
  --color-danger: #ef4444;
  --color-danger-glow: rgba(239, 68, 68, 0.25);
  --color-cyan: #06b6d4;
  --color-purple: #8b5cf6;
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  height: 100vh;
  overflow: hidden;
  display: flex;
}

/* Sidebar */
.sidebar {
  width: 260px;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  z-index: 20;
}

.sidebar-header {
  padding: 20px 18px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-container img {
  height: 32px;
}

.sidebar-nav {
  padding: 16px 10px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  color: var(--text-muted);
  border-radius: 8px;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s ease;
  cursor: pointer;
  border: 1px solid transparent;
}

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

.nav-item.active {
  background-color: rgba(2, 132, 199, 0.12);
  color: #38bdf8;
  border-color: rgba(56, 189, 248, 0.3);
}

.nav-item svg {
  width: 18px;
  height: 18px;
}

.nav-badge {
  margin-left: auto;
  font-size: 0.72rem;
  padding: 2px 7px;
  border-radius: 999px;
  background-color: var(--color-danger);
  color: white;
  font-weight: 700;
}

.sidebar-footer {
  padding: 16px 14px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 12px;
  background-color: rgba(15, 23, 42, 0.6);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0284c7, #8b5cf6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

/* Main Area */
.main-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background-color: var(--bg-main);
}

/* Header */
.top-header {
  height: 64px;
  background-color: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 10;
}

.company-selector-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
}

.company-badge {
  font-size: 1.4rem;
  background: var(--bg-card-hover);
  padding: 4px 8px;
  border-radius: 8px;
  border: 1px solid var(--border-glow);
}

.company-select {
  background-color: var(--bg-card);
  border: 1px solid var(--border-glow);
  color: var(--text-main);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  outline: none;
}

.header-status-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--color-success);
  font-weight: 600;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-success);
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulse-green 1.8s infinite;
}

@keyframes pulse-green {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

@keyframes pulse-amber {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(245, 158, 11, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
}

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

/* KPI Cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.kpi-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 18px 16px;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s, border-color 0.2s;
}

.kpi-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-glow);
}

.kpi-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.kpi-value {
  font-size: 1.8rem;
  font-weight: 800;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.kpi-card.success .kpi-value { color: var(--color-success); }
.kpi-card.warning .kpi-value { color: var(--color-warning); }
.kpi-card.danger .kpi-value { color: var(--color-danger); }
.kpi-card.brand .kpi-value { color: #38bdf8; }

/* Filter Bar */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  gap: 16px;
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-btn {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-btn.active, .filter-btn:hover {
  background-color: var(--bg-card-hover);
  color: var(--text-main);
  border-color: var(--color-brand);
}

.search-input {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 7px 14px;
  border-radius: 8px;
  color: var(--text-main);
  font-size: 0.85rem;
  outline: none;
  width: 220px;
}

/* Device Table */
.table-container {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

th {
  background-color: rgba(11, 17, 32, 0.7);
  color: var(--text-dim);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
}

td {
  padding: 14px 16px;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

tr:hover td {
  background-color: rgba(255, 255, 255, 0.02);
}

.device-cell {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-badge {
  width: 44px;
  height: 28px;
  border-radius: 6px;
  background-color: #0b0f19;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2px;
  flex-shrink: 0;
  overflow: hidden;
}

.brand-badge img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.device-info-name {
  font-weight: 700;
  color: var(--text-main);
}

.device-info-sub {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.4px;
}

.status-badge.up {
  background-color: rgba(16, 185, 129, 0.12);
  color: var(--color-success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-badge.warning {
  background-color: rgba(245, 158, 11, 0.15);
  color: var(--color-warning);
  border: 1px solid rgba(245, 158, 11, 0.4);
  animation: pulse-amber 1.8s infinite;
}

.status-badge.down {
  background-color: rgba(239, 68, 68, 0.15);
  color: var(--color-danger);
  border: 1px solid rgba(239, 68, 68, 0.4);
}

.telemetry-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
}

.telemetry-chip.warn {
  color: var(--color-warning);
  font-weight: 700;
}

/* Action Buttons */
.action-btn {
  background-color: rgba(2, 132, 199, 0.12);
  border: 1px solid rgba(2, 132, 199, 0.3);
  color: #38bdf8;
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.action-btn:hover {
  background-color: var(--color-brand);
  color: white;
}

/* Modal */
.modal-backdrop {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 50;
}

.modal-content {
  background-color: var(--bg-card);
  border: 1px solid var(--border-glow);
  width: 90%;
  max-width: 650px;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.7);
}

.modal-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-body {
  padding: 24px;
}

.subtab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
}

.subtab-btn:hover {
  color: var(--text-main);
  background: var(--bg-card-hover);
}

.subtab-btn.active {
  background: var(--color-brand);
  color: #ffffff;
}

.subtab-btn svg {
  width: 16px;
  height: 16px;
}
/* Estilos da Topologia Avançada (Estilo Flowbix NOC Telecom) */
.topo-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 20px;
  min-height: 720px;
}

@media (max-width: 1200px) {
  .topo-layout {
    grid-template-columns: 1fr;
  }
}

.topo-canvas-container {
  background: radial-gradient(circle at 50% 50%, #0d1527 0%, #070a12 100%);
  border: 1px solid var(--border-glow);
  border-radius: 14px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
}

.topo-header-banner {
  background: linear-gradient(90deg, rgba(2, 132, 199, 0.2) 0%, rgba(15, 23, 42, 0.8) 50%, rgba(16, 185, 129, 0.2) 100%);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.topo-title {
  font-family: 'Inter', sans-serif;
  font-weight: 900;
  letter-spacing: 2px;
  color: #38bdf8;
  text-transform: uppercase;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.topo-svg-area {
  flex: 1;
  width: 100%;
  height: 580px;
  cursor: grab;
  user-select: none;
}

.topo-svg-area:active {
  cursor: grabbing;
}

/* Legenda Inferior Estilo Telecom */
.topo-legend-box {
  background: rgba(11, 17, 32, 0.85);
  border: 1px solid #10b981;
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.2);
  border-radius: 10px;
  margin: 12px 16px;
  padding: 10px 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-around;
  gap: 12px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #94a3b8;
  letter-spacing: 0.5px;
}

.legend-icon {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Sidebar Direita de Widgets */
.topo-sidebar-widgets {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.topo-widget {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
  position: relative;
  overflow: hidden;
}

.topo-widget-header {
  background: linear-gradient(90deg, #0284c7, #1e293b);
  color: white;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 10px;
  border-radius: 6px;
  display: inline-block;
  margin-bottom: 12px;
}

.pppoe-counter {
  background: #090e1a;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 12px;
  text-align: center;
  font-size: 2.2rem;
  font-weight: 900;
  color: #a855f7;
  letter-spacing: 2px;
  margin-bottom: 12px;
  box-shadow: inset 0 0 20px rgba(168, 85, 247, 0.15);
}

.traffic-graph-svg {
  width: 100%;
  height: 100px;
  overflow: visible;
}