:root {
  --bg: #030204;
  --bg-deep: #020203;
  --panel: rgba(5, 4, 8, 0.88);
  --panel-soft: rgba(8, 6, 12, 0.84);
  --border: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: rgba(255, 255, 255, 0.96);
  --text-soft: rgba(255, 255, 255, 0.78);
  --text-muted: rgba(255, 255, 255, 0.48);
  --accent: #8f67ff;
  --accent-soft: rgba(143, 103, 255, 0.16);
  --accent-bright: #d8b4fe;
  --accent-hot: #d946ef;
  --success: #72f0bb;
  --warning: #ffcc67;
  --shadow: 0 22px 56px rgba(0, 0, 0, 0.36);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.55 "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

button,
input {
  font: inherit;
}

.page-backdrop,
.grid-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.page-backdrop {
  z-index: -20;
  background:
    radial-gradient(32rem 16rem at 14% 10%, rgba(143, 103, 255, 0.16) 0, rgba(143, 103, 255, 0.02) 36%, transparent 74%),
    radial-gradient(36rem 20rem at 85% 70%, rgba(143, 103, 255, 0.09) 0, rgba(143, 103, 255, 0.02) 34%, transparent 82%),
    radial-gradient(34rem 18rem at 14% 82%, rgba(255, 255, 255, 0.05) 0, rgba(255, 255, 255, 0.01) 34%, transparent 78%),
    linear-gradient(180deg, #09090b 0%, #040506 46%, #020203 100%);
}

.grid-overlay {
  z-index: -10;
  background:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 14rem 14rem;
  opacity: 0.34;
}

.app-shell {
  width: min(calc(100% - 32px), 1480px);
  margin: 0 auto;
  padding: 20px 0;
}

.iw-panel,
.iw-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 2px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.iw-panel {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.012)),
    linear-gradient(135deg, rgba(255, 255, 255, 0.016), transparent 32%),
    var(--panel);
}

.iw-card {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.032), rgba(255, 255, 255, 0.012)),
    linear-gradient(135deg, rgba(143, 103, 255, 0.08), transparent 46%),
    var(--panel-soft);
}

.iw-panel::before,
.iw-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.22), rgba(143, 103, 255, 0.18) 24%, transparent 66%);
  pointer-events: none;
}

.iw-kicker,
.iw-button,
.iw-label,
.status-pill,
.legend,
.map-subtitle,
.loading-copy,
.loading-subcopy,
.footer-row,
.font-mono,
.metric-label,
.metric-value,
.stack-count,
.stack-label,
.checker-kv dt,
.checker-kv dd,
.meta-note {
  font-family: "Fragment Mono", "SFMono-Regular", Menlo, Monaco, Consolas, monospace;
}

.iw-kicker {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  border: 1px solid rgba(192, 132, 252, 0.25);
  background: rgba(192, 132, 252, 0.1);
  padding: 0.25rem 0.5rem;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(233, 213, 255, 1);
}

.iw-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.024);
  color: rgba(255, 255, 255, 0.68);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: border-color 160ms ease, color 160ms ease, background 160ms ease, transform 160ms ease;
  cursor: pointer;
}

.iw-button:hover {
  border-color: var(--border-strong);
  color: rgba(255, 255, 255, 1);
  background: linear-gradient(90deg, rgba(143, 103, 255, 0.09), rgba(255, 255, 255, 0.03));
  transform: translateY(-1px);
}

.primary-button {
  border-color: rgba(143, 103, 255, 0.28);
  color: rgba(255, 255, 255, 0.96);
  background: linear-gradient(90deg, rgba(143, 103, 255, 0.18), rgba(255, 255, 255, 0.06));
}

.iw-label {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.status-pill,
.meta-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 30px;
  border: 1px solid rgba(114, 240, 187, 0.2);
  background: rgba(114, 240, 187, 0.08);
  padding: 0 10px;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--success);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
}

.brandmark img {
  display: block;
  height: 20px;
  width: auto;
  max-width: 180px;
}

.topbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) 360px;
  gap: 14px;
  margin-top: 14px;
}

.stage-wrap {
  position: relative;
  display: grid;
  align-content: start;
  gap: 18px;
  min-height: calc(100vh - 124px);
  padding: 18px;
}

.stage-grid {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.042) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.042) 1px, transparent 1px);
  background-size: 42px 42px;
  opacity: 0.16;
}

.stage-watermark {
  position: absolute;
  right: -3%;
  top: 9%;
  width: min(36vw, 320px);
  opacity: 0.08;
  transform: rotate(-10deg);
  filter: drop-shadow(0 0 36px rgba(143, 103, 255, 0.28));
  pointer-events: none;
}

.legend {
  display: grid;
  gap: 4px;
  font-size: 10px;
  color: rgba(255, 255, 255, 0.74);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.legend-row {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.legend-dot {
  display: inline-block;
  border-radius: 999px;
  background:
    radial-gradient(circle at 50% 50%, rgba(216, 180, 254, 1) 0, rgba(143, 103, 255, 0.95) 48%, rgba(217, 70, 239, 0.65) 100%);
  box-shadow: 0 0 18px rgba(143, 103, 255, 0.42);
}

.legend-dot-sm {
  width: 7px;
  height: 7px;
}

.legend-dot-md {
  width: 11px;
  height: 11px;
}

.legend-dot-lg {
  width: 16px;
  height: 16px;
}

.map-shell {
  display: grid;
  gap: 14px;
  padding: 18px;
}

.checker-hero {
  display: grid;
  gap: 18px;
  padding: 18px;
}

.checker-hero-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}

.checker-hero-note {
  max-width: 720px;
  padding-left: 16px;
  border-left: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.65;
}

.checker-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.checker-hero-form {
  align-self: start;
  width: 100%;
  max-width: none;
}

.checker-form-note {
  margin: 0;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.5;
}

.map-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}

.map-subtitle {
  margin-top: 10px;
  max-width: 40rem;
  font-size: 11px;
  line-height: 1.6;
  color: var(--text-muted);
}

.map-frame {
  position: relative;
  min-height: 560px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at 25% 22%, rgba(143, 103, 255, 0.12), transparent 28%),
    linear-gradient(180deg, rgba(3, 4, 8, 0.82), rgba(2, 3, 5, 0.96));
}

#map {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 560px;
}

#map svg {
  display: block;
  width: 100%;
  height: 100%;
}

.map-loading {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  place-content: center;
  gap: 6px;
  background: rgba(3, 2, 5, 0.84);
  text-align: center;
}

.map-loading.hidden {
  display: none;
}

.loading-copy {
  font-size: 12px;
  color: var(--accent-bright);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.loading-subcopy {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.map-tooltip {
  position: absolute;
  z-index: 4;
  max-width: 220px;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(3, 2, 5, 0.94);
  box-shadow: 0 20px 42px rgba(0, 0, 0, 0.38);
  color: var(--text);
  pointer-events: none;
}

.tooltip-title {
  font-size: 13px;
  font-weight: 600;
}

.tooltip-copy {
  margin-top: 4px;
  font-size: 11px;
  color: var(--text-soft);
}

.metrics-wrap {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
}

.metric-card {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.008));
  padding: 14px;
}

.metric-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.2), rgba(143, 103, 255, 0.24), transparent 72%);
}

.metric-label {
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.metric-value {
  margin-top: 8px;
  font-size: clamp(1.2rem, 1.4vw, 1.55rem);
  font-weight: 600;
  color: var(--text);
}

.metric-subvalue {
  margin-top: 8px;
  font-size: 11px;
  color: var(--text-soft);
}

.rail {
  display: grid;
  align-content: start;
  gap: 14px;
}

.rail-panel {
  display: grid;
  gap: 14px;
  padding: 16px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.checker-form {
  display: grid;
  gap: 10px;
}

.checker-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.checker-row input {
  width: 100%;
  min-width: 0;
  min-height: 34px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  padding: 0 12px;
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.checker-row input:focus {
  border-color: rgba(143, 103, 255, 0.36);
  box-shadow: 0 0 0 3px rgba(143, 103, 255, 0.12);
}

.checker-result {
  display: none;
  min-height: 150px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
  padding: 14px;
}

.checker-hero-grid.has-result .checker-result {
  display: block;
}

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

.checker-state {
  display: grid;
  gap: 12px;
}

.checker-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 6px 8px;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.checker-status.hit {
  border-color: rgba(114, 240, 187, 0.24);
  color: var(--success);
  background: rgba(114, 240, 187, 0.08);
}

.checker-status.miss {
  border-color: rgba(255, 204, 103, 0.24);
  color: var(--warning);
  background: rgba(255, 204, 103, 0.08);
}

.checker-ip {
  margin: 0;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.04em;
}

.checker-copy {
  margin: 0;
  color: var(--text-soft);
}

.checker-kv {
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr);
  gap: 8px 12px;
  margin: 0;
}

.checker-kv dt {
  color: var(--text-muted);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.checker-kv dd {
  margin: 0;
  color: var(--text);
}

.checker-match-list {
  display: grid;
  gap: 8px;
}

.checker-match-item {
  display: grid;
  gap: 2px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 8px;
}

.checker-match-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.checker-match-ip {
  font-family: "Fragment Mono", "SFMono-Regular", Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  color: var(--text);
}

.checker-match-meta {
  font-size: 12px;
  color: var(--text-muted);
}

.stack-list {
  display: grid;
  gap: 10px;
}

.stack-list-scroll {
  max-height: 520px;
  overflow-y: auto;
  padding-right: 6px;
  scrollbar-width: thin;
  scrollbar-color: rgba(143, 103, 255, 0.6) rgba(255, 255, 255, 0.05);
}

.stack-list-scroll::-webkit-scrollbar {
  width: 8px;
}

.stack-list-scroll::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.04);
}

.stack-list-scroll::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(143, 103, 255, 0.88), rgba(217, 70, 239, 0.88));
}

.stack-row {
  display: grid;
  gap: 8px;
}

.stack-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.stack-label {
  font-size: 11px;
  color: var(--text-soft);
}

.stack-label small {
  display: block;
  margin-top: 3px;
  color: var(--text-muted);
}

.stack-count {
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-bright);
}

.stack-bar {
  width: 100%;
  height: 4px;
  overflow: hidden;
  border: 0;
  background: rgba(255, 255, 255, 0.05);
  appearance: none;
}

.stack-bar::-webkit-progress-bar {
  background: rgba(255, 255, 255, 0.05);
}

.stack-bar::-webkit-progress-value {
  background: linear-gradient(90deg, rgba(143, 103, 255, 0.26), rgba(217, 70, 239, 0.9));
}

.stack-bar::-moz-progress-bar {
  background: linear-gradient(90deg, rgba(143, 103, 255, 0.26), rgba(217, 70, 239, 0.9));
}

.footer-shell {
  margin-top: 14px;
  padding: 12px;
}

.footer-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px 16px;
  color: var(--text-muted);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
}

.footer-links a:hover {
  color: var(--text);
}

@media (max-width: 1180px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .stage-wrap {
    min-height: auto;
  }

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

}

@media (max-width: 860px) {
  .app-shell {
    width: min(calc(100% - 20px), 1480px);
    padding: 10px 0 20px;
  }

  .topbar,
  .footer-row,
  .checker-hero-head,
  .checker-hero-grid,
  .map-head {
    grid-template-columns: 1fr;
    display: grid;
    align-items: start;
  }

  .topbar-actions,
  .checker-hero-head {
    justify-items: start;
  }

  .checker-hero-note {
    max-width: none;
    padding-left: 0;
    border-left: 0;
  }

  .metrics-wrap,
  .rail {
    grid-template-columns: 1fr;
  }

  .checker-row,
  .checker-kv {
    grid-template-columns: 1fr;
  }

  .map-frame,
  #map {
    min-height: 420px;
    height: 420px;
  }

  .footer-links {
    justify-content: flex-start;
  }
}