:root {
  --black: #000000;
  --white: #ffffff;
  --shadow: #000000;
  --bg: #f5f5f5;
  --card-bg: #ffffff;
  --text: #000000;
  --text-muted: #666666;

  --accent-yellow: #FFE600;
  --accent-red: #FF3333;
  --accent-blue: #0066FF;
  --accent-green: #00CC66;
  --accent-purple: #9B5DE5;

  --accent: var(--accent-yellow);
  --border-width: 4px;
  --shadow-offset: 6px;
}

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

body {
  font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Archivo Black', sans-serif;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

/* Header */
.header {
  background-color: var(--accent);
  border-bottom: var(--border-width) solid var(--black);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: transform 0.2s ease-out;
}

.header.hidden {
  transform: translateY(-100%);
}

.main {
  padding-top: calc(var(--header-height, 120px) + 1.5rem);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 3px solid var(--black);
}

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

.logo-icon {
  font-size: 1.5rem;
  color: var(--black);
}

.logo h1 {
  font-size: 1.5rem;
  color: var(--black);
}

.header-controls {
  display: flex;
  gap: 0.5rem;
}

.btn-view {
  width: 44px;
  height: 44px;
  background: var(--white);
  border: 3px solid var(--black);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
  box-shadow: 3px 3px 0 var(--black);
}

.btn-view:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--black);
}

.btn-view:active,
.btn-view.active {
  transform: translate(3px, 3px);
  box-shadow: none;
  background: var(--accent);
}

.btn-view svg {
  color: var(--black);
}

.btn-admin {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  height: 44px;
  padding: 0 1rem;
  background: var(--black);
  color: var(--white);
  border: 3px solid var(--black);
  text-decoration: none;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
  box-shadow: 3px 3px 0 var(--shadow);
}

.btn-admin:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--black);
  color: var(--white);
}

.btn-admin:active {
  transform: translate(3px, 3px);
  box-shadow: none;
}

.btn-admin svg {
  color: var(--accent);
}

/* Stats Bar */
.stats-bar {
  display: flex;
  gap: 0;
  overflow-x: auto;
}

.header.hidden {
  transform: translateY(-100%);
}

.stat-item {
  flex: 1;
  min-width: 80px;
  padding: 1rem 1.5rem;
  border-right: 3px solid var(--black);
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
}

.stat-item:last-child {
  border-right: none;
}

.stat-value {
  font-family: 'Archivo Black', sans-serif;
  font-size: 1.5rem;
  display: block;
  color: var(--black);
}

.stat-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

#stat-net-in,
#stat-net-out {
  line-height: 1;
  white-space: pre-line;
}

/* Main Content */
.main {
  flex: 1;
  padding: 1.5rem;
}

/* Nodes Container */
.nodes-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.nodes-container.list-view {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0;
  background: var(--card-bg);
  border: var(--border-width) solid var(--black);
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--shadow);
  position: relative;
  overflow-x: auto;
  overscroll-behavior-x: none;
}

/* Node Card */
.node-card {
  background: var(--card-bg);
  border: var(--border-width) solid var(--black);
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--shadow);
  padding: 1.25rem;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
  position: relative;
}

.node-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: calc(var(--shadow-offset) + 3px) calc(var(--shadow-offset) + 3px) 0 var(--shadow);
}

.node-card.offline {
  background-image: radial-gradient(circle, rgba(102, 102, 102, 0.3) 1px, transparent 1px);
  background-size: 4px 4px;
  opacity: 0.9;
}

.node-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 3px solid var(--black);
}

.node-name {
  font-family: 'Archivo Black', sans-serif;
  font-size: 1.1rem;
  word-break: break-word;
}

.node-status {
  width: 12px;
  height: 12px;
  background: var(--accent-green);
  border: 2px solid var(--black);
  flex-shrink: 0;
  margin-left: 0.5rem;
}

.node-status.offline {
  animation: pulse 1s step-end infinite;
}

@keyframes pulse {
  0%, 100% { background: var(--accent-red); }
  50% { background: var(--black); }
}

.node-info {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Metrics */
.metrics {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.metric {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.metric-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.metric-value {
  font-family: 'SF Mono', 'Consolas', 'Monaco', 'Space Mono', monospace;
  font-variant-numeric: tabular-nums;
  font-size: 0.85rem;
  display: inline-block;
  min-width: 3.5ch;
  text-align: right;
}

.metric-bar {
  height: 16px;
  background: var(--bg);
  border: 2px solid var(--black);
  overflow: hidden;
}

.metric-bar.net-bar {
  position: relative;
}

.metric-bar.net-bar .metric-fill {
  position: absolute;
  top: 0;
  height: 100%;
}

.metric-bar.net-bar .metric-fill.net-in {
  left: 0;
}

.metric-bar.net-bar .metric-fill.net-out {
  left: 0;
  z-index: 1;
}

.metric-bar.net-bar .metric-fill.net-in {
  z-index: 2;
}

.net-bar.unlimited {
  background-image: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 4px,
    rgba(0, 0, 0, 0.15) 4px,
    rgba(0, 0, 0, 0.15) 8px
  );
  background-color: var(--bg);
  border: 2px solid var(--black);
}

.net-totals {
  display: flex;
  justify-content: space-between;
  margin-top: 0.25rem;
  font-size: 0.7rem;
  font-weight: 700;
}

.net-total-item {
  color: var(--text-muted);
  font-family: 'Space Grotesk', 'SF Mono', 'Consolas', 'Monaco', monospace;
  font-variant-numeric: tabular-nums;
}

.net-total-item:first-child {
  color: var(--accent-green);
}

.net-total-item:last-child {
  color: var(--accent-blue);
}

.metric-fill.net-in {
  background: var(--accent-green);
}

.metric-fill.net-out {
  background: var(--accent-blue);
}

.metric-fill.dimmed {
  opacity: 0.3;
}

.metric-fill.hidden {
  display: none;
}

.metric-fill {
  height: 100%;
  background: var(--accent);
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.metric-fill::after,
.metric-fill::before {
  content: none !important;
  display: none !important;
  animation: none !important;
}

.metric-fill.high {
  background: var(--accent-red);
}

.metric-fill.medium {
  background: var(--accent-yellow);
}

.metric-fill.low {
  background: var(--accent-green);
}

/* Network & Uptime Row */
.node-footer {
  display: flex;
  justify-content: space-between;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 3px solid var(--black);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.footer-stat {
  text-align: center;
  flex: none;
  width: 33.333%;
}

.footer-stat:not(:last-child) {
  border-right: 2px solid var(--black);
}

.footer-stat span {
  display: block;
  font-family: 'Space Grotesk', 'SF Mono', 'Consolas', 'Monaco', monospace;
  font-variant-numeric: tabular-nums;
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  color: var(--black);
  white-space: nowrap;
}

/* Loading */
.loading {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
}

.loading-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--white);
  border: 3px solid var(--black);
  box-shadow: 4px 4px 0 var(--black);
}

/* Empty State */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 2rem;
  border: 4px dashed var(--black);
  background: var(--card-bg);
}

.empty-state h2 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.empty-state p {
  color: var(--text-muted);
}

/* Footer */
.footer {
  background: var(--black);
  color: var(--white);
  padding: 1.25rem 1.5rem;
  margin-top: auto;
  border-top: var(--border-width) solid var(--black);
}

.footer-content {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.footer-powered {
  font-size: 0.85rem;
  white-space: nowrap;
}

.footer-powered strong {
  color: var(--accent);
}

.footer-signature {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 34px;
  padding: 0.4rem 0.65rem;
  background: var(--white);
  color: var(--black);
  text-decoration: none;
  border: 2px solid var(--white);
  box-shadow: 4px 4px 0 var(--accent);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transform: rotate(-1deg);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.footer-signature:hover {
  transform: translate(-2px, -2px) rotate(0deg);
  box-shadow: 6px 6px 0 var(--accent);
  color: var(--black);
}

.footer-signature:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
  transform: rotate(0deg);
}

.footer-signature-github {
  width: 18px;
  height: 18px;
  flex: none;
  color: var(--black);
  transition: color 0.12s ease, transform 0.12s ease;
}

.footer-signature:hover .footer-signature-github,
.footer-signature:focus-visible .footer-signature-github {
  color: var(--accent);
  transform: rotate(-8deg) scale(1.08);
}

.footer-signature-build {
  font-family: 'SF Mono', 'Consolas', monospace;
  font-variant-numeric: tabular-nums;
}

.footer-signature-divider {
  width: 2px;
  height: 18px;
  background: var(--black);
}

.footer-signature-label {
  color: var(--text-muted);
}

.footer-signature-author {
  color: var(--black);
  font-family: 'Archivo Black', sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.02em;
}

@media (max-width: 680px) {
  .footer-content {
    flex-direction: column;
    justify-content: center;
    gap: 1rem;
  }

  .footer-signature {
    flex-wrap: wrap;
    justify-content: center;
  }
}


/* List View — base grid + cell styles (shared by all viewports; PC block below tweaks spacing) */
.node-row {
  display: grid;
  grid-template-columns:
    [status] 24px
    [name] minmax(140px, 1.4fr)
    [cpu] minmax(95px, 1fr)
    [ram] minmax(95px, 1fr)
    [disk] minmax(95px, 1fr)
    [net] minmax(110px, 1.1fr)
    [up] minmax(82px, 0.85fr)
    [down] minmax(82px, 0.85fr)
    [uptime] minmax(68px, 0.7fr);
  grid-template-areas: "status name cpu ram disk net up down uptime";
  align-items: stretch;
  gap: 0;
  padding: 0.55rem 0.85rem;
  background: var(--card-bg);
  position: relative;
  transition: background-color 0.1s ease;
  border-top: 2px solid var(--black);
  /* Cap the row to its grid track sum so overflow-x: auto on the container
     actually scrolls. Without this, long node names in the 1fr name track
     inflate the row past the container and the layout breaks; with a fixed
     min-width the row always overflows instead of silently clipping.
     Sum of track min widths is ~791px (status 24 + name 140 + cpu/ram/disk 95 + net 110 + up/down 82 + uptime 68);
     row padding is 0.85rem × 2 ≈ 27px so total min-width must be ≥ 818px to keep grid content inside row box.
     Otherwise border-top + OFFLINE dotted bg stop short of the row right edge. */
  min-width: 820px;
}

.node-row:first-child {
  border-top: 0;
}

.nodes-container.list-view {
  background-color: var(--card-bg);
}

.nodes-container.list-view::after {
  content: none;
}

.node-row:hover {
  background-color: rgba(255, 230, 0, 0.08);
}

.node-row.offline {
  background-image: radial-gradient(circle, rgba(102, 102, 102, 0.3) 1px, transparent 1px);
  background-size: 4px 4px;
  opacity: 0.9;
}

/* Group wrappers collapse into the parent grid so each leaf becomes a column. */
.row-head,
.row-metrics,
.row-speeds {
  display: contents;
}

.row-status {
  grid-area: status;
  width: 12px;
  height: 12px;
  background: var(--accent-green);
  border: 2px solid var(--black);
  align-self: center;
  justify-self: center;
}

.row-status.offline {
  animation: pulse 1s step-end infinite;
}

.row-name {
  grid-area: name;
  min-width: 0;
  padding: 0 0.65rem;
  border-right: 2px solid var(--black);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1px;
}

.row-node-name {
  font-family: 'Archivo Black', sans-serif;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.15;
}

.row-node-info {
  font-size: 0.58rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.15;
}

.row-metric {
  display: grid;
  grid-template-rows: auto 8px;
  gap: 5px;
  min-width: 0;
  padding: 0 0.6rem;
  border-right: 2px solid var(--black);
  align-content: center;
}

.row-cpu { grid-area: cpu; }
.row-ram { grid-area: ram; }
.row-disk { grid-area: disk; }
.row-net { grid-area: net; }

.row-metric-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.4rem;
  line-height: 1;
  min-width: 0;
}

.row-metric-label {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text);
  white-space: nowrap;
  flex-shrink: 0;
  line-height: 1;
}

.row-metric-bar {
  height: 8px;
  background: var(--bg);
  border: 2px solid var(--black);
  overflow: hidden;
  position: relative;
  min-width: 0;
}

.row-metric-bar.net-bar {
  position: relative;
}

.row-metric-bar .row-fill {
  position: absolute;
  top: 0;
  height: 100%;
}

.row-metric-bar .row-fill.net-in {
  left: 0;
  z-index: 2;
}

.row-metric-bar .row-fill.net-out {
  left: 0;
  z-index: 1;
}

.row-metric-value {
  font-family: 'SF Mono', 'Consolas', 'Monaco', 'Space Mono', monospace;
  font-variant-numeric: tabular-nums;
  font-size: 0.7rem;
  font-weight: 700;
  text-align: right;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1;
  min-width: 0;
}

.row-speed {
  display: grid;
  grid-template-rows: auto 1fr;
  row-gap: 4px;
  min-width: 0;
  padding: 0 0.55rem;
  border-right: 2px solid var(--black);
  align-content: center;
}

.row-up { grid-area: up; }
.row-down { grid-area: down; }

.row-arrow {
  font-family: 'Archivo Black', sans-serif;
  font-size: 0.78rem;
  line-height: 1;
}

.row-speed-label {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.row-speed-value {
  font-family: 'SF Mono', 'Consolas', 'Monaco', 'Space Mono', monospace;
  font-variant-numeric: tabular-nums;
  font-size: 0.7rem;
  font-weight: 700;
  text-align: right;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1;
}

.row-down {
  border-right: 2px solid var(--black);
}

.row-up .row-arrow { color: var(--accent-green); }
.row-down .row-arrow { color: var(--accent-blue); }

.row-uptime {
  grid-area: uptime;
  display: grid;
  grid-template-rows: auto 1fr;
  row-gap: 4px;
  min-width: 0;
  padding: 0 0.4rem;
  align-content: center;
}

.row-uptime-label {
  justify-self: start;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-align: left;
  line-height: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.row-uptime-value {
  align-self: end;
  justify-self: end;
  font-family: 'SF Mono', 'Consolas', 'Monaco', 'Space Mono', monospace;
  font-variant-numeric: tabular-nums;
  font-size: 0.7rem;
  font-weight: 700;
  text-align: right;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1;
}

/* Net fill colours reused from .metric-fill series */
.row-fill {
  height: 100%;
  background: var(--accent);
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.row-fill.net-in {
  background: var(--accent-green);
}

.row-fill.net-out {
  background: var(--accent-blue);
}

.row-fill.dimmed {
  opacity: 0.3;
}

.row-fill.hidden {
  display: none;
}

.row-fill.high {
  background: var(--accent-red);
}

.row-fill.medium {
  background: var(--accent-yellow);
}

.row-fill.low {
  background: var(--accent-green);
}

/* Net unlimited gradient reused */
.row-metric-bar.net-bar.unlimited {
  background-image: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 4px,
    rgba(0, 0, 0, 0.15) 4px,
    rgba(0, 0, 0, 0.15) 8px
  );
  background-color: var(--bg);
  border: 2px solid var(--black);
}


/* Responsive — grid cards only; list rows keep the desktop presentation. */
@media (max-width: 768px) {
  .header-content {
    gap: 0.75rem;
    padding: 0.65rem 0.75rem;
  }

  .logo {
    min-width: 0;
    gap: 0.4rem;
  }

  .logo-icon {
    flex-shrink: 0;
    font-size: 1rem;
  }

  .logo h1 {
    min-width: 0;
    overflow: hidden;
    font-size: 1rem;
    line-height: 1.1;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .header-controls {
    flex-shrink: 0;
    gap: 0.3rem;
  }

  .btn-view,
  .btn-admin {
    width: 34px;
    height: 34px;
    border-width: 2px;
    box-shadow: 2px 2px 0 var(--black);
  }

  .btn-view svg,
  .btn-admin svg {
    width: 16px;
    height: 16px;
  }

  .btn-admin {
    justify-content: center;
    padding: 0;
  }

  .btn-admin span {
    display: none;
  }

  .stats-bar {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    overflow: visible;
  }

  .stat-item {
    min-width: 0;
    padding: 0.55rem 0.25rem;
    border-right: 3px solid var(--black);
  }

  .stat-item:nth-child(-n + 4) {
    border-bottom: 3px solid var(--black);
  }

  .stat-item:nth-child(4),
  .stat-item:nth-child(6) {
    border-right: 0;
  }

  .stat-item:nth-child(5) {
    grid-column: 1 / 3;
  }

  .stat-item:nth-child(6) {
    grid-column: 3 / 5;
  }

  .stat-value {
    font-size: 1rem;
  }

  #stat-net-in,
  #stat-net-out {
    white-space: normal;
  }

  .stat-label {
    font-size: 0.6rem;
  }

  .nodes-container:not(.list-view) {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

}

/* Card Style Variations */
.card-style-thin .node-card,
.card-style-thin .nodes-container.list-view {
  border-width: 2px;
  box-shadow: 4px 4px 0 var(--shadow);
}

.card-style-double .node-card,
.card-style-double .nodes-container.list-view {
  border-width: 6px;
  box-shadow: 8px 8px 0 var(--shadow);
}

.card-style-double .node-card::before {
  content: '';
  position: absolute;
  inset: 6px;
  border: 2px solid var(--black);
  pointer-events: none;
}

.card-style-double .nodes-container.list-view::before {
  content: '';
  position: absolute;
  inset: 6px;
  border: 2px solid var(--black);
  pointer-events: none;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.18s ease-out, visibility 0s linear 0.28s;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
  transition-delay: 0s;
}

.modal-container {
  background: var(--white);
  border: var(--border-width) solid var(--black);
  box-shadow: 12px 12px 0 var(--black);
  width: min(96vw, 1400px);
  max-width: 1400px;
  max-height: 90vh;
  position: relative;
  overflow-y: auto;
  padding: 2rem;
  transform: translate3d(0, 16px, 0) scale(0.98);
  opacity: 0;
  transition: transform 0.26s cubic-bezier(0.2, 0.85, 0.25, 1), opacity 0.16s ease-out;
  transform-origin: center center;
  will-change: transform, opacity;
}

.modal-overlay.active .modal-container {
  transform: translate3d(0, 0, 0) scale(1);
  opacity: 1;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 44px;
  height: 44px;
  padding: 0;
  background: var(--black);
  color: var(--white);
  border: 3px solid var(--black);
  font-size: 24px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 3px 3px 0 var(--shadow);
  transition: transform 0.1s ease, box-shadow 0.1s ease;
  z-index: 1010;
}

.modal-close:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--black);
  color: var(--accent);
}

.modal-close:active {
  transform: translate(3px, 3px);
  box-shadow: none;
}

/* Modal Content Styling */
.modal-content {
  font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
}

.modal-content h2,
.modal-content h3 {
  font-family: 'Archivo Black', sans-serif;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.modal-content .info-value,
.modal-content .storage-meter-value,
.modal-content .storage-meter-percent,
.modal-content .network-channel-speed,
.modal-content .network-channel-total strong,
.modal-content .network-connections strong,
.modal-content .load-chart-value {
  font-family: 'Space Grotesk', 'SF Mono', 'Consolas', 'Monaco', monospace;
  font-variant-numeric: tabular-nums;
}

.modal-node-header {
  border-bottom: 6px solid var(--black);
  padding-bottom: 1.5rem;
  margin-bottom: 2rem;
}

.modal-node-title {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.modal-node-name {
  font-size: 2rem;
  margin: 0;
}

.modal-node-status-tag {
  padding: 0.25rem 0.75rem;
  border: 2px solid var(--black);
  font-family: 'Archivo Black', sans-serif;
  text-transform: uppercase;
  font-size: 0.75rem;
}

.modal-node-status-tag.online {
  background: var(--accent-green);
}

.modal-node-status-tag.offline {
  background: var(--accent-red);
}

.modal-node-meta {
  color: var(--text-muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.85rem;
}

.modal-section-title {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  border-bottom: 3px solid var(--black);
  display: inline-block;
}

.chart-container {
  min-height: 250px;
  background: var(--white);
  border: 2px solid var(--black);
  margin-top: 1rem;
}

.modal-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.info-item {
  display: flex;
  flex-direction: column;
}

.info-label {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.info-value {
  font-family: 'Space Grotesk', 'SF Mono', 'Consolas', 'Monaco', monospace;
  font-variant-numeric: tabular-nums;
  font-size: 0.85rem;
  font-weight: 700;
  word-break: break-all;
}

/* === ENHANCED MODAL STYLES === */

.modal-info-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}

@media (max-width: 900px) {
  .modal-info-row {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

.modal-info-section {
  border: 3px solid var(--black);
  padding: 1rem 1.25rem;
  background: var(--bg);
  box-shadow: 4px 4px 0 var(--black);
}

.modal-info-section-title {
  font-size: 0.85rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--black);
  display: inline-block;
}

.storage-stack {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.storage-meter {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.35rem 0.75rem;
  align-items: center;
}

.storage-meter-header {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
}

.storage-meter-label,
.storage-meter-percent {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.storage-meter-value {
  font-size: 0.75rem;
  font-weight: 700;
  text-align: right;
}

.storage-meter-track {
  height: 14px;
  background: var(--white);
  border: 2px solid var(--black);
  overflow: hidden;
}

.storage-meter-fill {
  display: block;
  height: 100%;
  background: var(--accent-green);
}

.storage-meter-fill.medium { background: var(--accent-yellow); }
.storage-meter-fill.high { background: var(--accent-red); }

.storage-meter.unlimited .storage-meter-track {
  background-color: var(--bg);
  background-image: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 4px,
    rgba(0, 0, 0, 0.15) 4px,
    rgba(0, 0, 0, 0.15) 8px
  );
}

.storage-meter.unlimited .storage-meter-value,
.storage-meter.unlimited .storage-meter-percent {
  color: var(--text-muted);
}

.storage-meter-percent {
  min-width: 6.5ch;
  text-align: right;
  color: var(--text-muted);
  white-space: nowrap;
}

.network-channels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.network-channel {
  padding: 0.75rem;
  background: var(--white);
  border: 2px solid var(--black);
  box-shadow: 3px 3px 0 var(--black);
  min-width: 0;
}

.network-channel.up { border-top: 6px solid var(--accent-green); }
.network-channel.down { border-top: 6px solid var(--accent-blue); }

.network-channel-direction {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.network-channel-arrow {
  font-size: 1rem;
  line-height: 1;
}

.network-channel.up .network-channel-arrow { color: var(--accent-green); }
.network-channel.down .network-channel-arrow { color: var(--accent-blue); }

.network-channel-speed {
  display: block;
  margin: 0.5rem 0 0.65rem;
  font-size: 1rem;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.network-channel-total {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 0.5rem;
  border-top: 2px solid var(--black);
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--text-muted);
}

.network-channel-total strong {
  color: var(--black);
  text-align: right;
}

.network-connections {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 0.9rem;
  padding-top: 0.65rem;
  border-top: 2px solid var(--black);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.network-connections strong {
  color: var(--black);
  text-align: right;
}

.modal-load-title-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--black);
}

.modal-load-title {
  font-size: 1.2rem;
  margin-bottom: 0;
  border-bottom: none;
  display: inline-block;
}

.modal-load-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 0;
}

@media (min-width: 1050px) {
  .modal-load-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .modal-load-grid {
    grid-template-columns: 1fr;
  }
}

.load-chart-card {
  border: 3px solid var(--black);
  padding: 0.75rem;
  background: var(--bg);
  box-shadow: 4px 4px 0 var(--black);
  min-width: 0;
}

.load-chart-label {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.25rem;
}

.load-chart-value {
  font-family: 'SF Mono', monospace;
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 0.5rem;
  min-height: 1.4em;
  white-space: normal;
  word-break: keep-all;
}

.load-network-value {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.load-network-up { color: var(--accent-green); }
.load-network-down { color: var(--accent-blue); }
.load-network-separator { color: var(--black); }

.load-chart-container {
  height: 180px;
  min-width: 0;
  background: var(--bg);
  overflow: hidden;
}

.modal-chart-section {
  border: 3px solid var(--black);
  padding: 1rem 1.25rem;
  background: var(--bg);
  box-shadow: 4px 4px 0 var(--black);
  margin-bottom: 2rem;
  position: relative;
}

.chart-loading-overlay {
  position: absolute;
  inset: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}

.chart-loading-overlay.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.chart-loading-overlay.is-leaving {
  opacity: 0;
}

.chart-loading-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--white);
  border: 3px solid var(--black);
  box-shadow: 4px 4px 0 var(--black);
}

.chart-loading-pixels {
  display: grid;
  grid-template-columns: repeat(5, 8px);
  grid-template-rows: repeat(5, 8px);
  gap: 3px;
  padding: 5px;
  background: transparent;
  border: none;
}

.chart-loading-pixel {
  width: 8px;
  height: 8px;
  background: var(--accent);
  opacity: 0;
  transform: scale(0);
  animation: chart-pixel-resolution 1.6s steps(1, end) infinite;
  animation-delay: calc(var(--pixel-index) * 22ms);
}

.chart-loading-text {
  font-family: 'SF Mono', monospace;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.modal-chart-section .load-chart-container,
.modal-chart-section .chart-container {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.modal-chart-section.is-loading .load-chart-container,
.modal-chart-section.is-loading .chart-container {
  opacity: 0;
  transform: translateY(4px);
}

.modal-chart-section.is-loading .btn-timescale {
  pointer-events: none;
  opacity: 0.45;
}

@keyframes chart-pixel-resolution {
  0%, 12.5%, 87.5%, 100% {
    opacity: 0;
    transform: scale(0);
  }
  25%, 75% {
    opacity: 0.35;
    transform: scale(1);
  }
  37.5%, 62.5% {
    opacity: 0.7;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .modal-overlay,
  .modal-container {
    transition: none;
  }

  .modal-container {
    transform: none;
    filter: none;
  }

  .chart-loading-pixel {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .chart-loading-overlay,
  .modal-chart-section .load-chart-container,
  .modal-chart-section .chart-container {
    transition: none;
  }
}

.modal-latency-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--black);
}

.modal-latency-section .chart-container {
  margin-top: 0;
  background: var(--bg);
  border: none;
}

.modal-latency-tasks {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
  align-items: start;
}

.latency-task-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border: 3px solid var(--black);
  box-shadow: 3px 3px 0 var(--black);
  min-width: 0;
  cursor: pointer;
  transition: opacity 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.modal-latency-tasks.has-active .latency-task-card:not(.is-active) {
  opacity: 0.3;
}

.latency-task-card.is-active {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--black);
}

.latency-task-row {
  display: flex;
  flex: 0 0 auto;
  transition: opacity 0.18s ease;
}

.latency-task-strip {
  width: 6px;
  background: var(--task-color, var(--accent-yellow));
  flex-shrink: 0;
}

.latency-task-body {
  padding: 0.5rem 0.75rem 0;
  flex: 1;
  min-width: 0;
}

.latency-task-header {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.25rem;
}

.latency-task-name {
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
}

.latency-task-stats {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
}

.latency-task-latest {
  font-family: 'SF Mono', monospace;
  font-weight: 700;
  font-size: 0.95rem;
}

.latency-task-sep {
  color: var(--text-muted);
}

.latency-task-loss {
  font-family: 'SF Mono', monospace;
  font-weight: 700;
  color: var(--text-muted);
}

.latency-task-loss.has-loss {
  color: var(--accent-red);
}

.latency-task-detail-wrap {
  display: none;
}

.latency-task-detail {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.4rem 0.75rem;

  padding: 0.5rem 0.75rem;
  background: var(--black);
  color: var(--white);
  font-size: 0.85rem;
}

.latency-task-detail .info-label,
.latency-task-detail .info-value {
  color: var(--white);
}

.modal-latency-header .modal-section-title {
  border-bottom: none;
  margin-bottom: 0;
}

.modal-timescale-selector {
  display: flex;
  gap: 0.25rem;
  background: var(--bg);
  padding: 0.25rem;
  border: none;
  box-shadow: 4px 4px 0 var(--black);
}

.btn-timescale {
  padding: 0.25rem 0.6rem;
  background: var(--white);
  border: 2px solid var(--black);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 0.7rem;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.1s ease;
}

.btn-timescale:hover {
  background: var(--accent-yellow);
}

.btn-timescale.active {
  background: var(--black);
  color: var(--white);
}

@media (max-width: 520px) {
  .storage-meter-header,
  .network-connections {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.25rem;
  }

  .storage-meter-value,
  .network-connections strong {
    text-align: left;
  }

  .network-channels {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .modal-node-header {
    padding-right: 3.5rem;
  }

  .modal-node-title {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .modal-load-title-container,
  .modal-latency-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .modal-timescale-selector {
    flex-wrap: wrap;
    max-width: 100%;
  }
}

/* Authentication Dialog */
.auth-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  background: rgba(0, 0, 0, 0.68);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.18s ease, visibility 0s linear 0.18s;
}

.auth-overlay.active {
  opacity: 1;
  visibility: visible;
  transition-delay: 0s;
}

.auth-dialog {
  position: relative;
  width: min(100%, 460px);
  padding: 2rem;
  background: var(--card-bg);
  border: var(--border-width) solid var(--black);
  box-shadow: 12px 12px 0 var(--black);
  opacity: 0;
  transform: translateY(16px) scale(0.98);
  transition: opacity 0.16s ease, transform 0.24s cubic-bezier(0.2, 0.85, 0.25, 1);
}

.auth-overlay.active .auth-dialog {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.auth-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  width: 38px;
  height: 38px;
  border: 3px solid var(--black);
  background: var(--black);
  color: var(--white);
  box-shadow: 3px 3px 0 var(--accent);
  font: 700 1.4rem/1 'Space Grotesk', sans-serif;
  cursor: pointer;
}

.auth-heading {
  padding-right: 2.5rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 5px solid var(--black);
}

.auth-kicker {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--text-muted);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.auth-heading h2 {
  font-size: 2rem;
  line-height: 1;
}

.auth-heading p {
  margin-top: 0.65rem;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.auth-field {
  display: grid;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.auth-field span {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.auth-field input {
  width: 100%;
  height: 46px;
  padding: 0 0.75rem;
  border: 3px solid var(--black);
  border-radius: 0;
  outline: none;
  background: var(--bg);
  color: var(--text);
  box-shadow: 3px 3px 0 var(--black);
  font: 700 0.95rem 'Space Grotesk', sans-serif;
}

.auth-field input:focus {
  background: var(--white);
  box-shadow: 5px 5px 0 var(--accent);
  transform: translate(-2px, -2px);
}

.auth-message {
  min-height: 1.1rem;
  margin: 0.25rem 0 0.65rem;
  color: var(--accent-red);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.auth-submit,
.auth-back,
.auth-oauth a {
  border: 3px solid var(--black);
  border-radius: 0;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  cursor: pointer;
}

.auth-submit {
  width: 100%;
  min-height: 46px;
  padding: 0.7rem 1rem;
  background: var(--accent);
  color: var(--black);
  box-shadow: 4px 4px 0 var(--black);
}

.auth-submit:hover:not(:disabled),
.auth-oauth a:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--black);
}

.auth-submit:disabled {
  cursor: wait;
  opacity: 0.65;
}

.auth-back {
  margin-bottom: 1rem;
  padding: 0.35rem 0.6rem;
  background: var(--white);
  color: var(--black);
  box-shadow: 2px 2px 0 var(--black);
  font-size: 0.68rem;
}

.auth-oauth {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.auth-oauth[hidden] {
  display: none;
}

.auth-oauth::before,
.auth-oauth::after {
  content: '';
  height: 3px;
  background: var(--black);
}

.auth-oauth span {
  font-size: 0.65rem;
  font-weight: 700;
}

.auth-oauth a {
  grid-column: 1 / -1;
  padding: 0.65rem;
  background: var(--black);
  color: var(--white);
  box-shadow: 4px 4px 0 var(--accent);
  text-align: center;
  font-size: 0.72rem;
}

@media (max-width: 520px) {
  .auth-dialog {
    padding: 1.35rem;
    box-shadow: 8px 8px 0 var(--black);
  }

  .auth-heading h2 {
    font-size: 1.6rem;
  }
}

.auth-oauth::before {
  grid-column: 1;
  grid-row: 1;
}

.auth-oauth > span {
  grid-column: 2;
  grid-row: 1;
}

.auth-oauth::after {
  grid-column: 3;
  grid-row: 1;
}

.auth-oauth > a {
  grid-row: 2;
}