/* ==========================================================================
   PulseMonitor CSS Design System
   ========================================================================== */

:root {
  /* Cores Globais */
  --bg-color: #05070f;
  --card-bg: rgba(13, 17, 28, 0.7);
  --card-border: rgba(255, 255, 255, 0.06);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  /* Cores Temáticas de Recursos (Glow & Gradients) */
  --cpu-color: #a855f7;
  --cpu-gradient: linear-gradient(135deg, #a855f7 0%, #d946ef 100%);
  --cpu-glow: rgba(168, 85, 247, 0.15);
  
  --ram-color: #0ea5e9;
  --ram-gradient: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
  --ram-glow: rgba(14, 165, 233, 0.15);
  
  --net-color: #10b981;
  --net-gradient: linear-gradient(135deg, #10b981 0%, #14b8a6 100%);
  --net-glow: rgba(16, 185, 129, 0.15);
  
  --disk-color: #f97316;
  --disk-gradient: linear-gradient(135deg, #f97316 0%, #f59e0b 100%);
  --disk-glow: rgba(249, 115, 22, 0.15);

  --success-color: #10b981;
  --danger-color: #ef4444;
}

/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Outfit', sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Efeitos de Mesh Background Glow */
.bg-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(140px);
  z-index: -1;
  opacity: 0.45;
  pointer-events: none;
}

.bg-glow-1 {
  width: 500px;
  height: 500px;
  top: -10%;
  left: -10%;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.25) 0%, transparent 70%);
}

.bg-glow-2 {
  width: 600px;
  height: 600px;
  bottom: -10%;
  right: -10%;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.25) 0%, transparent 70%);
}

.bg-glow-3 {
  width: 400px;
  height: 400px;
  top: 40%;
  left: 45%;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.15) 0%, transparent 70%);
}

/* Container Principal */
.container {
  width: 85%;
  max-width: 100%;
  margin: 0 auto;
  padding: 2rem 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  gap: 2rem;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: linear-gradient(135deg, #a855f7 0%, #0ea5e9 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(168, 85, 247, 0.3);
}

.logo-icon i {
  width: 24px;
  height: 24px;
  color: white;
}

.pulse-icon {
  animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
  0% { transform: scale(1); }
  14% { transform: scale(1.12); }
  28% { transform: scale(1); }
  42% { transform: scale(1.12); }
  70% { transform: scale(1); }
}

.logo-text h1 {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.logo-text h1 span {
  background: linear-gradient(to right, #a855f7, #0ea5e9);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-text p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 400;
}

/* Status do Sistema */
.system-quick-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.info-tag {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.info-tag i {
  width: 16px;
  height: 16px;
  color: var(--text-muted);
}

.connection-status {
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid transparent;
  transition: all 0.3s ease;
}

.connection-status.connected {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success-color);
  border-color: rgba(16, 185, 129, 0.2);
}

.connection-status.disconnected {
  background: rgba(239, 44, 44, 0.1);
  color: var(--danger-color);
  border-color: rgba(239, 44, 44, 0.2);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: currentColor;
}

.connection-status.connected .status-dot {
  animation: pulse-green 1.5s infinite;
}

.connection-status.disconnected .status-dot {
  animation: pulse-red 1.5s infinite;
}

@keyframes pulse-green {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

@keyframes pulse-red {
  0% { box-shadow: 0 0 0 0 rgba(239, 44, 44, 0.7); }
  70% { box-shadow: 0 0 0 8px rgba(239, 44, 44, 0); }
  100% { box-shadow: 0 0 0 0 rgba(239, 44, 44, 0); }
}

/* Grid de Métricas */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  flex: 1;
}

@media (max-width: 1280px) {
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

/* Cards de Métricas */
.card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 1.5rem;
  backdrop-filter: blur(12px) saturate(180%);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.1);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}

.card-cpu::before { background: var(--cpu-gradient); }
.card-ram::before { background: var(--ram-gradient); }
.card-network::before { background: var(--net-gradient); }
.card-disk::before { background: var(--disk-gradient); }

.card-cpu:hover { box-shadow: 0 12px 30px var(--cpu-glow); }
.card-ram:hover { box-shadow: 0 12px 30px var(--ram-glow); }
.card-network:hover { box-shadow: 0 12px 30px var(--net-glow); }
.card-disk:hover { box-shadow: 0 12px 30px var(--disk-glow); }

/* Card Header */
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.card-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.card-title i {
  width: 22px;
  height: 22px;
}

.icon-cpu { color: var(--cpu-color); }
.icon-ram { color: var(--ram-color); }
.icon-network { color: var(--net-color); }
.icon-disk { color: var(--disk-color); }

.card-title h2 {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.3px;
}

.card-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  color: var(--text-secondary);
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Card Body */
.card-body {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  height: 100%;
}

/* Radial Gauge layout */
.radial-metric-container {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.gauge-wrapper {
  position: relative;
  width: 100px;
  height: 100px;
  flex-shrink: 0;
}

.gauge {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.gauge-bg {
  fill: none;
  stroke: rgba(255, 255, 255, 0.04);
  stroke-width: 10;
}

.gauge-fill {
  fill: none;
  stroke-width: 10;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-cpu .gauge-fill { stroke: var(--cpu-color); filter: drop-shadow(0 0 4px var(--cpu-color)); }
.card-ram .gauge-fill { stroke: var(--ram-color); filter: drop-shadow(0 0 4px var(--ram-color)); }

.gauge-value {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: baseline;
  justify-content: center;
}

.gauge-value span {
  font-size: 1.6rem;
  font-weight: 700;
  font-family: 'Outfit', sans-serif;
  letter-spacing: -1px;
}

.gauge-value span.unit {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-left: 1px;
}

.metric-details {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  min-width: 180px;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

.detail-row .label {
  color: var(--text-secondary);
}

.detail-row .value {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  color: var(--text-primary);
}

/* Progress bar horizontal (RAM) */
.progress-bar-wrapper {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.progress-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.progress-track {
  height: 8px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 999px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--ram-gradient);
  border-radius: 999px;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 8px var(--ram-color);
}

/* CPU Cores layout */
.cores-container, .interfaces-container, .partitions-container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.cores-container h3, .interfaces-container h3, .partitions-container h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  font-weight: 600;
}

.cores-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.6rem;
}

@media (max-width: 480px) {
  .cores-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.core-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  padding: 0.5rem;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.core-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--text-secondary);
}

.core-track {
  height: 4px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 2px;
  overflow: hidden;
}

.core-bar {
  height: 100%;
  background: var(--cpu-gradient);
  width: 0%;
  transition: width 1s ease;
}

/* Network Stats Cards */
.network-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.net-stat-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.net-stat-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.net-stat-card.download .net-stat-icon {
  background: rgba(16, 185, 129, 0.1);
  color: var(--net-color);
}

.net-stat-card.upload .net-stat-icon {
  background: rgba(14, 165, 233, 0.1);
  color: var(--ram-color);
}

.net-stat-icon i {
  width: 18px;
  height: 18px;
}

.net-stat-info {
  display: flex;
  flex-direction: column;
}

.net-stat-info .label {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.net-stat-info .value {
  font-size: 1.1rem;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
}

.net-stat-info .total {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  margin-top: 1px;
}

/* Interfaces list */
.interfaces-list, .partitions-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-height: 120px;
  overflow-y: auto;
  padding-right: 2px;
}

/* Custom Scrollbar */
.interfaces-list::-webkit-scrollbar, .partitions-list::-webkit-scrollbar {
  width: 4px;
}
.interfaces-list::-webkit-scrollbar-track, .partitions-list::-webkit-scrollbar-track {
  background: transparent;
}
.interfaces-list::-webkit-scrollbar-thumb, .partitions-list::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 99px;
}

.net-interface-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.4rem 0.6rem;
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid rgba(255, 255, 255, 0.03);
  border-radius: 8px;
  font-size: 0.8rem;
}

.net-interface-item .name {
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.net-interface-item .name::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--net-color);
}

.net-interface-item .rates {
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-secondary);
}

/* Disk IO stats */
.disk-io-stats {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  padding: 0.75rem 1rem;
}

.disk-io-row {
  display: flex;
  justify-content: space-between;
}

.io-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.io-icon {
  width: 18px;
  height: 18px;
}

.io-icon.read { color: var(--disk-color); }
.io-icon.write { color: #f59e0b; }

.io-item div {
  display: flex;
  flex-direction: column;
}

.io-item .label {
  font-size: 0.7rem;
  color: var(--text-secondary);
}

.io-item .value {
  font-size: 0.95rem;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
}

/* Disk partitions */
.partition-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  padding: 0.6rem 0.8rem;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.partition-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
}

.partition-info .mount {
  font-weight: 600;
}

.partition-info .use {
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-secondary);
}

.partition-track {
  height: 6px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 99px;
  overflow: hidden;
}

.partition-bar {
  height: 100%;
  background: var(--disk-gradient);
  width: 0%;
  border-radius: 99px;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Chart Canvas container */
.chart-container {
  height: 150px;
  position: relative;
  width: 100%;
  margin-top: auto;
}

/* Footer styles */
.app-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  font-size: 0.8rem;
}

.badge-pulse {
  background: rgba(168, 85, 247, 0.1);
  color: var(--cpu-color);
  border: 1px solid rgba(168, 85, 247, 0.2);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-weight: 600;
}

#ping-latency {
  font-family: 'JetBrains Mono', monospace;
}