@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=Manrope:wght@400;500;600;700;800&display=swap");

:root {
  --bg: #dfe3ec;
  --paper: rgba(249, 247, 242, 0.96);
  --paper-strong: rgba(255, 255, 255, 0.9);
  --line: rgba(19, 26, 41, 0.09);
  --ink: #181f2e;
  --muted: #67748b;
  --accent: #f06e54;
  --accent-soft: rgba(240, 110, 84, 0.14);
  --success: #6b937d;
  --success-soft: rgba(107, 147, 125, 0.16);
  --dark: #283243;
  --dark-soft: rgba(40, 50, 67, 0.12);
  --shadow: 0 18px 50px rgba(24, 31, 46, 0.08);
  --shadow-soft: 0 10px 24px rgba(24, 31, 46, 0.05);
  --display: "Manrope", sans-serif;
  --mono: "IBM Plex Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--display);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.82), transparent 28rem),
    radial-gradient(circle at bottom right, rgba(240, 110, 84, 0.08), transparent 20rem),
    linear-gradient(180deg, #d8dce7 0%, #e7eaf1 44%, #f4f0e8 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

.page-shell {
  width: min(1540px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 18px 0 44px;
}

.topbar,
.brand,
.topbar-side,
.live-pill,
.topnav,
.hero-panel.detail,
.hero-actions,
.node-paper-head,
.settings-head,
.settings-actions,
.danger-form,
.section-top,
.shared-head,
.shared-badge-stack,
.traffic-row,
.protocol-line {
  display: flex;
}

.topbar {
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
  padding: 16px 18px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.64);
  border: 1px solid rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-soft);
}

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

.brand-mark {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: linear-gradient(145deg, #121925, #39455e);
  color: #fff;
  font-weight: 800;
}

.brand-copy {
  display: grid;
  gap: 3px;
}

.brand-copy strong {
  font-size: 1rem;
  font-weight: 800;
}

.brand-copy small,
.muted,
.eyebrow,
.micro-copy,
.empty-state,
.shared-subtitle,
.lede.small {
  color: var(--muted);
}

.topbar-side {
  align-items: center;
  gap: 12px;
}

.live-pill {
  align-items: center;
  gap: 9px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--line);
  font-weight: 700;
}

.live-dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(240, 110, 84, 0.5);
  animation: pulse 1.8s infinite;
}

.topnav {
  align-items: center;
  gap: 8px;
  padding: 5px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
}

.topnav a {
  padding: 10px 14px;
  border-radius: 999px;
  font-weight: 600;
}

.topnav a:hover {
  background: rgba(24, 31, 46, 0.05);
}

.content,
.summary-rack,
.node-grid,
.gauge-grid,
.protocol-summary-grid,
.info-grid,
.detail-layout,
.focus-card,
.side-panel,
.traffic-list,
.protocol-map,
.shared-zone,
.shared-grid,
.shared-meta-grid,
.shared-report-grid,
.settings-stack,
.settings-form {
  display: grid;
}

.content {
  gap: 18px;
}

.hero-panel,
.node-paper,
.focus-card,
.chart-card,
.shared-card,
.settings-card,
.flash,
.error-box {
  position: relative;
  overflow: hidden;
  padding: 24px;
  border-radius: 34px;
  background: var(--paper);
  border: 1px solid rgba(255, 255, 255, 0.76);
  box-shadow: var(--shadow);
}

.hero-panel::before,
.node-paper::before,
.focus-card::before,
.chart-card::before,
.shared-card::before,
.settings-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at top right, rgba(240, 110, 84, 0.08), transparent 16rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.5), transparent 45%);
}

.hero-panel.detail {
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
}

.hero-copy h1 {
  margin: 6px 0 8px;
  font-size: clamp(2.3rem, 5vw, 4.2rem);
  line-height: 0.94;
  letter-spacing: -0.07em;
}

.lede {
  max-width: 72ch;
  margin: 0;
  font-size: 1rem;
  line-height: 1.55;
}

.eyebrow {
  margin: 0;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.summary-rack {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.summary-tile,
.micro-panel,
.online-card,
.gauge-card,
.metric-card,
.meta-card,
.report-card {
  position: relative;
  min-width: 0;
  padding: 18px;
  border-radius: 26px;
  background: var(--paper-strong);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

.summary-tile span,
.micro-panel span,
.online-card span,
.metric-card span,
.meta-card span,
.report-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.9rem;
}

.summary-tile strong,
.micro-panel strong,
.online-card strong,
.metric-card strong,
.meta-card strong,
.report-card strong {
  display: block;
  font-size: 1.55rem;
  line-height: 1.1;
  letter-spacing: -0.05em;
  overflow-wrap: anywhere;
  font-variant-numeric: tabular-nums;
}

.summary-tile.accent {
  background: linear-gradient(180deg, rgba(240, 110, 84, 0.14), rgba(255, 255, 255, 0.86));
}

.summary-tile.warm,
.micro-panel.warn {
  background: linear-gradient(180deg, rgba(40, 50, 67, 0.1), rgba(255, 255, 255, 0.86));
}

.bullet-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.micro-panel strong {
  font-size: 1.2rem;
}

.node-grid {
  grid-template-columns: repeat(auto-fit, minmax(620px, 1fr));
  gap: 18px;
}

.node-paper-head,
.settings-head,
.section-top,
.shared-head,
.traffic-row,
.protocol-line {
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
}

.node-title,
.settings-card h2,
.shared-card h3 {
  font-size: clamp(1.9rem, 3vw, 2.6rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
  font-weight: 800;
}

.node-subtitle {
  margin: 10px 0 0;
  color: #66789c;
  font-size: 1.05rem;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  padding: 14px 22px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.status-pill.ok {
  background: #e6f0e9;
  color: #4e8570;
}

.status-pill.bad {
  background: #f7e4e1;
  color: #a35b52;
}

.status-pill.pending {
  background: #f4eadf;
  color: #9a6840;
}

.node-top-layout {
  display: grid;
  grid-template-columns: minmax(220px, 250px) minmax(0, 1fr);
  gap: 18px;
  margin: 18px 0 16px;
  align-items: stretch;
}

.node-top-layout.detail-top {
  grid-template-columns: minmax(230px, 270px) minmax(0, 1fr);
}

.online-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 214px;
  padding: 20px 22px;
}

.online-card.large {
  min-height: 226px;
}

.online-card strong {
  font-size: clamp(3rem, 6vw, 5rem);
  line-height: 0.92;
  margin: auto 0 10px;
}

.online-card small,
.metric-card small,
.report-card small,
.gauge-body small,
.shared-subtitle {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.45;
}

.gauge-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.detail-gauges {
  align-items: stretch;
}

.gauge-card {
  display: grid;
  grid-template-rows: auto 1fr;
  align-content: start;
  min-height: 214px;
  padding: 18px 16px 14px;
}

.gauge-label {
  margin-bottom: 2px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.2;
}

.gauge-visual {
  position: relative;
  width: min(100%, 196px);
  margin: 0 auto;
  padding-top: 6px;
}

.gauge-svg {
  display: block;
  width: 100%;
  height: auto;
}

.gauge-track,
.gauge-fill {
  fill: none;
  stroke-width: 11;
  stroke-linecap: round;
}

.gauge-track {
  stroke: rgba(24, 31, 46, 0.09);
}

.gauge-fill {
  transition: stroke-dasharray 220ms ease;
}

.gauge-card.accent .gauge-fill {
  stroke: var(--accent);
}

.gauge-card.dark .gauge-fill {
  stroke: var(--dark);
}

.gauge-card.success .gauge-fill {
  stroke: var(--success);
}

.gauge-body {
  position: absolute;
  inset: auto 0 2px 0;
  display: grid;
  justify-items: center;
  gap: 4px;
  text-align: center;
}

.gauge-body strong {
  display: block;
  max-width: 12ch;
  font-size: clamp(1.2rem, 1.7vw, 1.65rem);
  line-height: 1.08;
  letter-spacing: -0.05em;
  overflow-wrap: anywhere;
  font-variant-numeric: tabular-nums;
}

.gauge-body small {
  min-height: 2.9em;
  width: 100%;
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.4;
  text-wrap: balance;
}

.capacity-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: linear-gradient(180deg, rgba(40, 50, 67, 0.07), rgba(255, 255, 255, 0.92));
}

.protocol-summary-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.protocol-card {
  min-height: 124px;
}

.info-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.compact-card {
  min-height: 122px;
}

.sync-card small {
  margin-top: auto;
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.35;
  letter-spacing: -0.01em;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.metric-card.clickable,
.online-card.clickable,
.report-card.live {
  transition: transform 120ms ease, box-shadow 120ms ease;
}

.metric-card.clickable:hover,
.online-card.clickable:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(24, 31, 46, 0.1);
}

.detail-layout {
  grid-template-columns: minmax(0, 1.38fr) minmax(360px, 0.88fr);
  gap: 18px;
}

.focus-card,
.side-panel,
.traffic-list,
.protocol-map,
.shared-zone,
.shared-grid,
.settings-stack {
  gap: 14px;
}

.chart-card h2,
.section-top h2 {
  margin: 4px 0 0;
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.05em;
}

.sparkline {
  width: 100%;
  height: 88px;
  display: block;
  margin-top: 10px;
}

.sparkline polyline {
  fill: none;
  stroke: var(--accent);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.sparkline.accent polyline {
  stroke: var(--dark);
}

.sparkline.warm polyline {
  stroke: var(--success);
}

.sparkline.cool polyline {
  stroke: #c47e4f;
}

.traffic-row {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.traffic-row:last-child {
  border-bottom: none;
}

.protocol-line {
  padding: 14px 16px;
  border-radius: 22px;
  background: var(--paper-strong);
  border: 1px solid var(--line);
}

.shared-zone {
  display: grid;
  gap: 14px;
}

.big-counter,
.shared-badge {
  min-width: 132px;
  padding: 14px 16px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(240, 110, 84, 0.12), rgba(255, 255, 255, 0.88));
  text-align: right;
}

.big-counter span,
.shared-badge span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.84rem;
}

.big-counter strong,
.shared-badge strong {
  font-size: 1.9rem;
  line-height: 1;
  letter-spacing: -0.06em;
}

.shared-badge-stack {
  flex-direction: column;
  gap: 10px;
}

.shared-badge.secondary {
  background: linear-gradient(180deg, rgba(40, 50, 67, 0.09), rgba(255, 255, 255, 0.88));
}

.shared-badge.alert {
  background: linear-gradient(180deg, rgba(240, 110, 84, 0.22), rgba(255, 255, 255, 0.9));
}

.shared-grid {
  grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
}

.shared-card {
  display: grid;
  gap: 14px;
}

.shared-card h3 {
  margin: 4px 0 0;
}

.shared-subtitle {
  margin: 8px 0 0;
}

.shared-meta-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.meta-card strong,
.report-card p {
  overflow-wrap: anywhere;
}

.mono {
  font-family: var(--mono);
  font-size: 0.92rem;
}

.shared-report-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.report-card.live {
  background: linear-gradient(180deg, rgba(240, 110, 84, 0.14), rgba(255, 255, 255, 0.9));
}

.report-card p {
  margin: 10px 0 0;
  font-size: 0.98rem;
  line-height: 1.5;
}

.shared-protocols {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.mini-tag {
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  font-size: 0.82rem;
  font-weight: 700;
}

.button-link,
.settings-actions button,
.danger-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 18px;
  border-radius: 999px;
  border: none;
  background: linear-gradient(145deg, #121925, #39455e);
  color: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.button-link.secondary {
  background: rgba(255, 255, 255, 0.8);
  color: var(--ink);
  border: 1px solid var(--line);
}

.flash {
  background: rgba(255, 255, 255, 0.88);
}

.error-box {
  background: #f8e7e3;
  color: #a35850;
}

.settings-form {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.settings-form label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.92rem;
}

.settings-form label.wide {
  grid-column: 1 / -1;
}

.settings-form input {
  width: 100%;
  min-width: 0;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  font: inherit;
}

.settings-actions,
.danger-form {
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.danger-form {
  margin-top: 14px;
}

.danger-form button {
  background: linear-gradient(145deg, #a25750, #733d39);
}

.empty-state {
  margin: 10px 0 0;
  font-size: 0.94rem;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(240, 110, 84, 0.5);
  }
  70% {
    box-shadow: 0 0 0 12px rgba(240, 110, 84, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(240, 110, 84, 0);
  }
}

@media (max-width: 1280px) {
  .summary-rack,
  .bullet-band,
  .gauge-grid,
  .info-grid,
  .shared-report-grid,
  .shared-meta-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .detail-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 980px) {
  .page-shell {
    width: min(100vw - 14px, 100%);
    padding-top: 10px;
  }

  .topbar,
  .topbar-side,
  .hero-panel.detail,
  .hero-actions,
  .node-paper-head,
  .settings-head,
  .section-top,
  .shared-head,
  .traffic-row,
  .protocol-line,
  .settings-actions,
  .danger-form {
    flex-direction: column;
    align-items: flex-start;
  }

  .summary-rack,
  .bullet-band,
  .node-grid,
  .protocol-summary-grid,
  .info-grid,
  .shared-grid,
  .shared-meta-grid,
  .shared-report-grid,
  .settings-form {
    grid-template-columns: 1fr;
  }

  .node-top-layout,
  .node-top-layout.detail-top {
    grid-template-columns: 1fr;
  }

  .gauge-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .topnav {
    width: 100%;
    justify-content: space-between;
  }

  .topnav a {
    flex: 1;
    text-align: center;
  }
}

@media (max-width: 640px) {
  .gauge-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy h1 {
    font-size: clamp(2rem, 11vw, 3rem);
  }

  .node-title,
  .settings-card h2,
  .shared-card h3 {
    font-size: 1.75rem;
  }
}