:root {
  --bg: #06121d;
  --bg-accent: #12263a;
  --surface: rgba(8, 22, 36, 0.78);
  --surface-strong: rgba(11, 31, 51, 0.92);
  --border: rgba(125, 211, 252, 0.18);
  --text: #edf6ff;
  --muted: #97adbf;
  --accent: #7dd3fc;
  --accent-warm: #f7b267;
  --ok: #7ae582;
  --error: #ff7a7a;
  --active: #f7b267;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(125, 211, 252, 0.16), transparent 30%),
    radial-gradient(circle at top right, rgba(247, 178, 103, 0.16), transparent 28%),
    linear-gradient(180deg, #08131f 0%, #06121d 50%, #040b13 100%);
}

body.overlay-open {
  overflow: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.65), transparent);
}

.shell {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 48px 0 72px;
}

.results-shell {
  width: min(1680px, calc(100vw - 24px));
}

.hero {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-end;
  margin-bottom: 28px;
}

.hero-logo {
  display: block;
  width: min(234px, 52vw);
  height: auto;
  margin: 0 0 16px;
  filter: brightness(0) invert(1);
}

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

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
}

h1,
h2 {
  margin: 0;
  font-family: "Trebuchet MS", "Avenir Next", sans-serif;
  letter-spacing: -0.03em;
}

h1 {
  max-width: 820px;
  font-size: clamp(1.5rem, 2.5vw, 2.4rem);
  line-height: 0.95;
}

.lede {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.run-button {
  border: 0;
  border-radius: 999px;
  padding: 16px 28px;
  min-width: 168px;
  font: inherit;
  font-weight: 700;
  color: #08131f;
  background: linear-gradient(135deg, var(--accent) 0%, #bef264 100%);
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform 180ms ease, opacity 180ms ease;
}

.run-button:hover:not(:disabled) {
  transform: translateY(-1px);
}

.run-button:disabled {
  opacity: 0.7;
  cursor: wait;
}

.secondary-button {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  box-shadow: none;
}

.running-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(3, 10, 17, 0.82);
  backdrop-filter: blur(10px);
}

.running-overlay[hidden] {
  display: none !important;
}

.running-panel {
  width: min(640px, 100%);
  padding: 34px 28px;
  border: 1px solid rgba(125, 211, 252, 0.2);
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(8, 22, 36, 0.96), rgba(11, 31, 51, 0.98));
  box-shadow: var(--shadow);
  text-align: center;
}

.running-spinner {
  width: 74px;
  height: 74px;
  margin: 0 auto 20px;
  border: 6px solid rgba(255, 255, 255, 0.12);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 900ms linear infinite;
}

.running-label {
  margin: 0 0 10px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.82rem;
}

.running-message {
  margin: 0;
  font-size: clamp(1.3rem, 2vw, 1.9rem);
  line-height: 1.2;
}

.running-warning {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 1rem;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(12, minmax(0, 1fr));
}

.card {
  grid-column: span 6;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: linear-gradient(180deg, var(--surface), var(--surface-strong));
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.traceroute-card,
.summary-card {
  grid-column: span 12;
}

.card > header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: rgba(151, 173, 191, 0.14);
  color: var(--muted);
}

.pill[data-state="done"] {
  background: rgba(122, 229, 130, 0.18);
  color: var(--ok);
}

.pill[data-state="active"] {
  background: rgba(247, 178, 103, 0.18);
  color: var(--active);
}

.pill[data-state="error"] {
  background: rgba(255, 122, 122, 0.18);
  color: var(--error);
}

.detail-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 0;
}

.detail-list dt {
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.detail-list dd {
  margin: 0;
  font-size: 1.05rem;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.metric-row.two-up {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.metric-row.three-up {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metric-row > div {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.metric-row strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.8rem;
  line-height: 1;
}

.metric-row span,
.muted {
  color: var(--muted);
}

.terminal {
  min-height: 240px;
  margin: 0;
  padding: 18px;
  overflow: auto;
  border-radius: 20px;
  background: rgba(0, 0, 0, 0.34);
  border: 1px solid rgba(255, 255, 255, 0.05);
  color: #d7f4ff;
  font-family: "SFMono-Regular", "Consolas", monospace;
  line-height: 1.55;
  white-space: pre-wrap;
}

.summary-text {
  min-height: 108px;
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.03);
  line-height: 1.8;
  white-space: pre-wrap;
}

.results-toolbar {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.results-label {
  color: var(--muted);
  font-size: 0.9rem;
}

.results-note {
  margin: 0 0 16px;
}

.results-kpis {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(8, minmax(0, 1fr));
}

.results-kpi {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.results-kpi strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.55rem;
  line-height: 1.15;
  overflow-wrap: anywhere;
}

.results-kpi span {
  color: var(--muted);
  font-size: 0.92rem;
}

.results-select {
  min-width: 88px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  font: inherit;
}

.results-button {
  min-width: 0;
  padding: 10px 18px;
}

.results-wrap {
  overflow: auto;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  background: rgba(0, 0, 0, 0.22);
}

.results-table {
  width: 100%;
  min-width: 1520px;
  border-collapse: collapse;
}

.results-map-panel {
  display: grid;
  gap: 12px;
}

.results-map {
  display: block;
  width: 100%;
  min-height: 320px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: rgba(2, 10, 18, 0.45);
}

.map-bg {
  fill: rgba(2, 10, 18, 0.55);
}

.map-grid line {
  stroke: rgba(151, 173, 191, 0.16);
  stroke-width: 1;
}

.map-point {
  stroke: rgba(6, 18, 29, 0.9);
  stroke-width: 1.5;
  opacity: 0.88;
}

.map-point-browser {
  fill: var(--accent);
}

.map-point-geoip {
  fill: var(--accent-warm);
}

.results-map-legend {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.95rem;
}

.legend-dot {
  display: inline-block;
  width: 11px;
  height: 11px;
  margin-right: 8px;
  border-radius: 50%;
  vertical-align: middle;
}

.legend-browser {
  background: var(--accent);
}

.legend-geoip {
  background: var(--accent-warm);
}

.identity-note {
  margin: 14px 0 0;
}

.results-table th,
.results-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.results-table th {
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.results-table td {
  font-size: 0.95rem;
  white-space: nowrap;
}

.results-empty {
  color: var(--muted);
  text-align: center;
}

@media (max-width: 920px) {
  .hero {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-logo {
    width: min(210px, 60vw);
  }

  .results-shell {
    width: min(100vw - 20px, 100%);
  }

  .results-kpis {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .card,
  .traceroute-card,
  .summary-card {
    grid-column: span 12;
  }
}

@media (max-width: 640px) {
  .shell {
    width: min(100vw - 20px, 100%);
    padding-top: 24px;
  }

  .card {
    padding: 18px;
    border-radius: 20px;
  }

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

  .detail-list,
  .metric-row,
  .metric-row.two-up,
  .metric-row.three-up {
    grid-template-columns: 1fr;
  }

  .results-map {
    min-height: 240px;
  }
}