/*
 * Request X-Ray public surface.
 * Self-contained Atlas interface treatment for the custom-domain deployment.
 */

@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../static/vendor/atlas-interface/v0.5.0/fonts/ibm-plex-mono-400.woff2") format("woff2");
}

@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../static/vendor/atlas-interface/v0.5.0/fonts/ibm-plex-mono-500.woff2") format("woff2");
}

@font-face {
  font-family: "DM Serif Display";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../static/vendor/atlas-interface/v0.5.0/fonts/dm-serif-display-400.woff2") format("woff2");
}

@font-face {
  font-family: "DM Serif Display";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("../static/vendor/atlas-interface/v0.5.0/fonts/dm-serif-display-400-italic.woff2") format("woff2");
}

:root {
  color-scheme: dark;
  --atlas-accent: #f5a623;
  --atlas-accent-dim: rgba(245, 166, 35, 0.12);
  --atlas-accent-hover: #f7b84a;
  --atlas-bg: #0a0a0f;
  --atlas-bg-1: #111118;
  --atlas-bg-2: #1a1a24;
  --atlas-border: rgba(255, 255, 255, 0.08);
  --atlas-border-hi: rgba(255, 255, 255, 0.16);
  --atlas-operational: #4ade80;
  --atlas-informational: #60a5fa;
  --atlas-unavailable: #e24b4a;
  --atlas-text: #e8e8e0;
  --atlas-text-dim: #aaa9a0;
  --atlas-text-faint: #888894;
  --atlas-space-1: 4px;
  --atlas-space-2: 8px;
  --atlas-space-3: 12px;
  --atlas-space-4: 16px;
  --atlas-space-5: 24px;
  --atlas-space-6: 32px;
  --atlas-space-7: 48px;
  --atlas-space-8: 64px;
  --atlas-radius-lg: 8px;
  --atlas-radius-md: 6px;
  --atlas-radius-sm: 4px;
  --atlas-control-standard: 40px;
  --atlas-touch-min: 44px;
  --atlas-content: 1180px;
  --atlas-content-wide: 1360px;
  --atlas-prose: 760px;
  --atlas-header-height: 56px;
  --atlas-z-dialog: 200;
  --atlas-shadow-floating: 0 24px 70px rgba(0, 0, 0, 0.38);
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --serif: "DM Serif Display", Georgia, serif;
  --bg: var(--atlas-bg);
  --bg-1: var(--atlas-bg-1);
  --bg-2: var(--atlas-bg-2);
  --border: var(--atlas-border);
  --border-hi: var(--atlas-border-hi);
  --text: var(--atlas-text);
  --text-dim: var(--atlas-text-dim);
  --text-faint: var(--atlas-text-faint);
  --accent: var(--atlas-accent);
  --accent-hi: var(--atlas-accent-hover);
  --accent-dim: var(--atlas-accent-dim);
  --green: var(--atlas-operational);
  --red: var(--atlas-unavailable);
  --blue: var(--atlas-informational);
  --grid: rgba(255, 255, 255, 0.026);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--atlas-header-height) + 24px);
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font: 400 15px/1.7 var(--mono);
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 80px 80px;
  content: "";
  pointer-events: none;
}

body::after {
  position: fixed;
  z-index: -1;
  inset: 0;
  background:
    radial-gradient(circle at 20% 12%, rgba(96, 165, 250, 0.08), transparent 26rem),
    radial-gradient(circle at 82% 4%, rgba(245, 166, 35, 0.08), transparent 24rem);
  content: "";
  pointer-events: none;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

a:hover {
  color: var(--accent-hi);
}

button,
input,
select {
  font: inherit;
}

:where(a, button, input, select, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

h1,
h2,
h3,
p,
dl,
dd {
  margin: 0;
}

.visually-hidden {
  position: absolute;
  overflow: hidden;
  width: 1px;
  height: 1px;
  margin: -1px;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* ---------- Atlas chrome ---------- */

.atlas-nav-shell.atlas-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  min-height: var(--atlas-header-height);
  border-bottom: 1px solid var(--border);
  background: rgba(10, 10, 15, 0.94);
  backdrop-filter: blur(14px);
}

.atlas-header__inner {
  display: grid;
  width: min(calc(100% - 48px), 1280px);
  min-height: var(--atlas-header-height);
  margin-inline: auto;
  grid-template-columns: minmax(230px, 1fr) auto minmax(230px, 1fr);
  gap: 24px;
  align-items: center;
}

.atlas-header__brand,
.atlas-header__nav,
.atlas-header__actions {
  display: flex;
  align-items: center;
}

.atlas-header__brand {
  gap: 12px;
  min-width: 0;
}

.atlas-header__nav {
  justify-content: center;
  gap: 24px;
}

.atlas-header__actions {
  justify-content: flex-end;
}

.atlas-wordmark {
  color: var(--text);
  font: 500 13px/1 var(--mono);
  letter-spacing: 0.12em;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.atlas-wordmark span {
  color: var(--accent);
}

.product-chip {
  min-width: 0;
  overflow: hidden;
  color: var(--text-faint);
  font: 500 10px/1 var(--mono);
  letter-spacing: 0.1em;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.atlas-header__nav a {
  color: var(--text-dim);
  font: 400 12px/1 var(--mono);
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
}

.atlas-header__nav a:hover,
.atlas-header__nav a[aria-current="page"] {
  color: var(--accent);
}

.atlas-search-control {
  min-height: var(--atlas-control-standard);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: var(--atlas-radius-md);
  background: rgba(17, 17, 24, 0.72);
  color: var(--text-dim);
  cursor: pointer;
  padding: 0 14px;
  font: 500 11px/1 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.atlas-search-control:hover {
  border-color: var(--border-hi);
  color: var(--text);
}

.atlas-search-control svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentcolor;
  stroke-width: 1.5;
}

.atlas-search-control kbd {
  color: var(--text-faint);
  font: 500 9px/1 var(--mono);
}

.atlas-estate-status {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  gap: 7px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: var(--atlas-radius-md);
  background: rgba(17, 17, 24, 0.72);
  color: var(--text-dim);
  font: 400 10px/1 var(--mono);
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.atlas-estate-status:hover {
  border-color: var(--border-hi);
  color: var(--text);
}

.atlas-estate-status[data-state="operational"] {
  color: var(--atlas-operational);
}

.atlas-estate-status[data-state="degraded"],
.atlas-estate-status[data-state="checking"] {
  color: var(--atlas-accent);
}

.atlas-estate-status[data-state="unavailable"] {
  color: var(--atlas-unavailable);
}

.atlas-estate-status[data-state="unknown"] {
  color: var(--atlas-text-dim);
}

.status-dot {
  width: 7px;
  height: 7px;
  flex: 0 0 7px;
  border-radius: 50%;
  background: var(--atlas-operational);
  box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.12);
}

.status-dot[data-state="checking"],
.status-dot[data-state="degraded"] {
  background: var(--atlas-accent);
  box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.12);
}

.status-dot[data-state="unavailable"] {
  background: var(--atlas-unavailable);
  box-shadow: 0 0 0 3px rgba(226, 75, 74, 0.12);
}

.status-dot[data-state="unknown"] {
  background: var(--atlas-text-dim);
  box-shadow: none;
}

.atlas-mobile-nav {
  display: none;
}

.atlas-search-root {
  position: fixed;
  z-index: var(--atlas-z-dialog);
  inset: 0;
  display: grid;
  place-items: start center;
  padding: min(12vh, 7rem) var(--atlas-space-4) var(--atlas-space-4);
}

.atlas-search-root[hidden] {
  display: none;
}

.atlas-search-scrim {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  background: rgba(4, 4, 8, 0.82);
  backdrop-filter: blur(8px);
  cursor: default;
}

.atlas-search-panel {
  position: relative;
  width: min(720px, 100%);
  max-height: min(720px, 78vh);
  overflow: auto;
  border: 1px solid var(--border-hi);
  border-radius: var(--atlas-radius-lg);
  background: var(--bg-1);
  box-shadow: var(--atlas-shadow-floating);
  padding: var(--atlas-space-5);
}

.atlas-search-heading {
  margin-bottom: var(--atlas-space-3);
  color: var(--accent);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.atlas-search-input {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--border-hi);
  border-radius: var(--atlas-radius-sm);
  background: var(--bg-2);
  color: var(--text);
  padding: var(--atlas-space-3) var(--atlas-space-4);
}

.atlas-search-status {
  min-height: 1.5rem;
  margin: var(--atlas-space-3) 0;
  color: var(--text-dim);
  font-size: 13px;
}

.atlas-search-results {
  display: grid;
  gap: 1px;
  overflow: hidden;
  margin: 0;
  padding: 0;
  border-radius: var(--atlas-radius-sm);
  background: var(--border);
  list-style: none;
}

.atlas-search-result {
  background: var(--bg);
}

.atlas-search-result-main {
  display: grid;
  gap: var(--atlas-space-2);
  min-height: var(--atlas-touch-min);
  color: var(--text-dim);
  padding: var(--atlas-space-4);
  text-decoration: none;
}

.atlas-search-result-main:hover,
.atlas-search-result-main:focus-visible {
  background: var(--bg-2);
  color: var(--text);
}

.atlas-search-result-main strong {
  overflow-wrap: anywhere;
  color: var(--text);
  font-size: 13px;
}

.atlas-search-result-main span {
  font-size: 13px;
  line-height: 1.65;
}

.atlas-search-close {
  min-height: var(--atlas-touch-min);
  margin-top: var(--atlas-space-4);
  border: 1px solid var(--border-hi);
  border-radius: var(--atlas-radius-sm);
  background: var(--bg-2);
  color: var(--text);
  cursor: pointer;
  padding: 0 var(--atlas-space-4);
}

body.atlas-search-open {
  overflow: hidden;
}

/* ---------- page foundation ---------- */

.xray-main {
  width: min(calc(100% - 48px), var(--atlas-content));
  margin-inline: auto;
  padding: calc(var(--atlas-header-height) + 48px) 0 0;
}

.xray-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 360px);
  gap: var(--atlas-space-6);
  align-items: end;
  padding: var(--atlas-space-7) 0 var(--atlas-space-6);
  border-bottom: 1px solid var(--border);
}

.eyebrow,
.panel-kicker {
  color: var(--accent);
  font: 500 11px/1.5 var(--mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.xray-hero h1 {
  max-width: 850px;
  margin-top: 12px;
  color: var(--text);
  font: 400 clamp(2.8rem, 7vw, 5.25rem)/0.98 var(--serif);
  letter-spacing: 0;
}

.lede {
  max-width: var(--atlas-prose);
  margin-top: var(--atlas-space-5);
  color: var(--text-dim);
  font-size: 16px;
  line-height: 1.8;
}

.xray-proof {
  border: 1px solid var(--border);
  border-radius: var(--atlas-radius-lg);
  background: linear-gradient(145deg, rgba(17, 17, 24, 0.92), rgba(10, 10, 15, 0.82));
  padding: var(--atlas-space-5);
}

.xray-proof dl {
  display: grid;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.xray-proof div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px;
  background: var(--bg);
}

.xray-proof dt,
.xray-proof dd {
  font-size: 11px;
}

.xray-proof dt {
  color: var(--text-faint);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.xray-proof dd {
  color: var(--text);
  text-align: right;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.75fr);
  gap: var(--atlas-space-6);
  align-items: end;
  margin-bottom: var(--atlas-space-5);
}

.section-head h2 {
  margin-top: 10px;
  color: var(--text);
  font: 400 clamp(1.8rem, 4vw, 2.8rem)/1.05 var(--serif);
  letter-spacing: 0;
}

.section-head p:last-child {
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.75;
}

.xray-product,
.content-band {
  padding: var(--atlas-space-7) 0;
  border-bottom: 1px solid var(--border);
}

/* ---------- scenario tabs ---------- */

.scenario-tabs {
  margin-bottom: 12px;
  border: 1px solid var(--border);
  border-radius: var(--atlas-radius-lg);
  background: rgba(17, 17, 24, 0.72);
  padding: var(--atlas-space-4);
}

.scenario-tabs h3 {
  margin-bottom: 10px;
  color: var(--text-faint);
  font: 500 10px/1 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.preset-row,
.stage-actions,
.table-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--atlas-space-2);
  align-items: center;
}

.btn {
  min-height: var(--atlas-control-standard);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-hi);
  border-radius: var(--atlas-radius-sm);
  background: var(--bg-1);
  color: var(--text-dim);
  cursor: pointer;
  padding: 0 14px;
  font: 500 11px/1 var(--mono);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  transition: border-color 160ms, background 160ms, color 160ms, transform 160ms;
}

.btn:hover {
  border-color: var(--accent);
  color: var(--text);
}

.btn-primary {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--bg);
}

.btn-primary:hover {
  background: var(--accent-hi);
  color: var(--bg);
}

.btn[aria-pressed="true"] {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent);
}

.preset-btn {
  flex: 1 1 180px;
  min-height: 74px;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  padding-block: 10px;
  text-align: left;
  text-transform: none;
}

.preset-btn strong {
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.preset-btn span {
  color: var(--text-faint);
  font-size: 11px;
  line-height: 1.45;
}

/* ---------- console ---------- */

.xray-console {
  display: grid;
  grid-template-columns: minmax(0, 1.42fr) minmax(320px, 0.78fr);
  gap: 12px;
  align-items: stretch;
}

.stage-panel,
.switch-panel,
.detail-panel {
  border: 1px solid var(--border);
  border-radius: var(--atlas-radius-lg);
  background: rgba(17, 17, 24, 0.86);
}

.stage-panel,
.switch-panel {
  min-width: 0;
  padding: var(--atlas-space-5);
}

.panel-bar {
  display: flex;
  gap: var(--atlas-space-4);
  justify-content: space-between;
  align-items: start;
  margin-bottom: var(--atlas-space-4);
}

.panel-bar h3 {
  margin-top: 4px;
  color: var(--text);
  font: 500 17px/1.25 var(--mono);
}

.stage-hint {
  max-width: 260px;
  color: var(--text-faint);
  font-size: 11px;
  text-align: right;
}

.stage-actions {
  margin-bottom: var(--atlas-space-4);
}

.diagram {
  overflow: hidden;
  margin-bottom: var(--atlas-space-4);
  border: 1px solid var(--border);
  border-radius: var(--atlas-radius-md);
  background: rgba(10, 10, 15, 0.94);
}

.pipeline {
  display: block;
  width: 100%;
  min-height: 132px;
}

.connectors line {
  stroke: var(--border-hi);
  stroke-dasharray: 3 5;
  stroke-width: 1;
}

.node-ring {
  fill: var(--bg-1);
  stroke: var(--border-hi);
  stroke-width: 1.5;
  transition: filter 520ms ease-out, stroke 180ms, fill 180ms;
}

.node.is-active .node-ring {
  fill: var(--accent-dim);
  stroke: var(--accent);
}

.node.is-warn .node-ring {
  fill: rgba(245, 166, 35, 0.08);
  stroke: var(--accent);
}

.node.is-ok .node-ring {
  fill: rgba(74, 222, 128, 0.1);
  stroke: var(--green);
}

.node.is-fail .node-ring {
  fill: rgba(226, 75, 74, 0.12);
  stroke: var(--red);
}

.node.just-resolved .node-ring {
  filter: drop-shadow(0 0 9px currentcolor);
}

.node.is-active,
.node.is-warn {
  color: var(--accent);
}

.node.is-ok {
  color: var(--green);
}

.node.is-fail {
  color: var(--red);
}

.packet {
  fill: var(--accent);
  opacity: 0;
  transition: opacity 180ms;
}

.packet.is-visible {
  opacity: 1;
}

.packet.is-fail {
  fill: var(--red);
}

.layer-tabs {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  border-top: 1px solid var(--border);
}

.layer-tab {
  min-width: 0;
  min-height: 50px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
  justify-content: center;
  border: 0;
  border-top: 2px solid transparent;
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  font: 400 10px/1.2 var(--mono);
}

.layer-tab:hover {
  color: var(--text);
}

.layer-tab[aria-pressed="true"] {
  border-top-color: var(--accent);
  color: var(--accent);
}

.layer-chip {
  min-height: 1.2em;
  color: var(--text-faint);
  font-size: 9px;
}

.layer-chip[data-state="ok"] {
  color: var(--green);
}

.layer-chip[data-state="fail"] {
  color: var(--red);
}

.layer-chip[data-state="warn"] {
  color: var(--accent);
}

.budget {
  margin-bottom: var(--atlas-space-4);
}

.budget-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 7px;
  color: var(--text-faint);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.budget-figures {
  color: var(--text-dim);
}

.budget-track {
  overflow: hidden;
  height: 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg);
}

.budget-fill {
  display: block;
  width: 0;
  height: 100%;
  background: var(--accent);
  transition: width 120ms linear, background 180ms;
}

.budget-fill.is-over {
  background: var(--red);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-bottom: var(--atlas-space-4);
  border: 1px solid var(--border);
  background: var(--border);
}

.metric {
  min-width: 0;
  padding: 12px;
  background: var(--bg);
}

.metric dt {
  margin-bottom: 5px;
  color: var(--text-faint);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.metric dd {
  overflow-wrap: anywhere;
  color: var(--text);
  font-size: 14px;
}

.metric dd[data-state="ok"],
.kv dd[data-state="ok"],
.hop-table td[data-state="ok"] {
  color: var(--green);
}

.metric dd[data-state="fail"],
.kv dd[data-state="fail"],
.hop-table td[data-state="fail"] {
  color: var(--red);
}

.metric dd[data-state="warn"],
.kv dd[data-state="warn"],
.hop-table td[data-state="warn"] {
  color: var(--accent);
}

.explanation {
  min-height: 4.7em;
  border-left: 2px solid var(--accent);
  padding-left: 14px;
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.75;
}

/* ---------- switches ---------- */

.switch-grid {
  display: grid;
  gap: 10px;
}

.switch-group {
  min-width: 0;
  display: grid;
  gap: 10px;
  border: 1px solid var(--border);
  border-radius: var(--atlas-radius-md);
  background: rgba(10, 10, 15, 0.72);
  padding: 14px;
}

.switch-owner {
  color: var(--accent);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.switch-row {
  display: flex;
  min-height: var(--atlas-touch-min);
  gap: 10px;
  align-items: center;
}

.switch-row label {
  color: var(--text);
  cursor: pointer;
  font-size: 13px;
}

.switch-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  accent-color: var(--accent);
  cursor: pointer;
}

.switch-row select {
  min-height: 36px;
  margin-left: auto;
  border: 1px solid var(--border-hi);
  border-radius: var(--atlas-radius-sm);
  background: var(--bg-2);
  color: var(--text);
  cursor: pointer;
  padding: 0 8px;
}

.switch-help {
  color: var(--text-faint);
  font-size: 11px;
  line-height: 1.6;
}

/* ---------- insight band ---------- */

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

.insight-card {
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: var(--atlas-radius-lg);
  background: linear-gradient(145deg, rgba(17, 17, 24, 0.9), rgba(10, 10, 15, 0.84));
  padding: var(--atlas-space-5);
}

.insight-card span {
  color: var(--accent);
  font-size: 10px;
  letter-spacing: 0.14em;
}

.insight-card h3 {
  margin-top: 14px;
  color: var(--text);
  font: 500 17px/1.3 var(--mono);
}

.insight-card p {
  margin-top: 10px;
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.7;
}

/* ---------- details ---------- */

.detail-stack {
  display: grid;
  gap: 12px;
  padding: var(--atlas-space-7) 0;
}

.detail-panel {
  overflow: hidden;
}

.detail-panel summary {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--atlas-space-4);
  cursor: pointer;
  list-style: none;
  padding: 0 var(--atlas-space-5);
}

.detail-panel summary::-webkit-details-marker {
  display: none;
}

.detail-panel summary::before {
  content: "▸";
  color: var(--accent);
  margin-right: 10px;
}

.detail-panel[open] summary::before {
  content: "▾";
}

.detail-panel summary span:first-child {
  margin-right: auto;
  color: var(--accent);
  font: 500 11px/1 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.detail-panel summary span:last-child {
  color: var(--text-dim);
  font-size: 11px;
  text-transform: uppercase;
}

.detail-panel > :not(summary) {
  margin: 0 var(--atlas-space-5) var(--atlas-space-5);
}

.panel-note {
  max-width: var(--atlas-prose);
  color: var(--text-faint);
  font-size: 12px;
  line-height: 1.7;
}

.inspector-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--border);
  background: var(--border);
}

.inspector-block {
  min-width: 0;
  background: var(--bg);
  padding: var(--atlas-space-5);
}

.inspector-block h3 {
  margin-bottom: 12px;
  color: var(--text-faint);
  font: 500 10px/1 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.kv {
  display: grid;
  grid-template-columns: minmax(90px, auto) 1fr;
  gap: 8px 16px;
}

.kv dt {
  color: var(--text-faint);
  font-size: 12px;
}

.kv dd {
  min-width: 0;
  color: var(--text-dim);
  font-size: 12px;
  overflow-wrap: anywhere;
}

.kv-empty {
  grid-column: 1 / -1;
  color: var(--text-faint);
  font-size: 12px;
}

.table-actions {
  margin: var(--atlas-space-4) 0;
}

.table-scroll {
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  border: 1px solid var(--border);
  border-radius: var(--atlas-radius-md);
}

.hop-table {
  width: 100%;
  min-width: 780px;
  border-collapse: collapse;
  font-size: 12px;
}

.hop-table th,
.hop-table td {
  border-bottom: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
  white-space: nowrap;
}

.hop-table th {
  color: var(--text-faint);
  font-weight: 500;
  font-size: 9px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hop-table td {
  color: var(--text-dim);
}

.hop-table td.note {
  min-width: 300px;
  color: var(--text-faint);
  white-space: normal;
}

.hop-table tbody tr:hover td {
  background: var(--bg-2);
}

.compare-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  border: 1px solid var(--border);
  background: var(--border);
}

.compare-card {
  min-width: 0;
  background: var(--bg);
  padding: var(--atlas-space-5);
}

.compare-card h3 {
  margin-bottom: 12px;
  color: var(--accent);
  font: 500 10px/1 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.compare-delta {
  margin-top: 14px;
  border-top: 1px solid var(--border);
  padding-top: 12px;
  color: var(--text-faint);
  font-size: 12px;
  line-height: 1.65;
}

#compare-grid > .panel-note {
  grid-column: 1 / -1;
  background: var(--bg);
  padding: var(--atlas-space-5);
}

.model-notes {
  display: grid;
  gap: var(--atlas-space-4);
}

.model-notes p {
  max-width: var(--atlas-prose);
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.75;
}

.text-action {
  min-height: var(--atlas-touch-min);
  display: inline-flex;
  align-items: center;
  color: var(--accent);
  font: 500 12px/1.4 var(--mono);
}

/* ---------- footer ---------- */

.atlas-footer {
  position: relative;
  z-index: 1;
  max-width: var(--atlas-content);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 var(--atlas-space-4);
  margin: 0 auto var(--atlas-space-6);
  border-top: 1px solid var(--border-hi);
  padding: var(--atlas-space-4) 0;
  color: var(--text-faint);
  font: 400 11px/1.5 var(--mono);
}

.atlas-footer__identity {
  min-width: min(100%, 260px);
  flex: 1 1 280px;
  display: grid;
  gap: 2px;
  color: var(--text);
}

.atlas-footer__identity strong {
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.atlas-footer__identity span {
  color: var(--text-faint);
}

.atlas-footer__context,
.atlas-footer__evidence,
.atlas-footer__escape {
  display: flex;
  flex: 0 0 auto;
  flex-wrap: nowrap;
  gap: 0 var(--atlas-space-3);
  align-items: center;
  white-space: nowrap;
}

.atlas-footer__evidence,
.atlas-footer__escape {
  border-left: 1px solid var(--border);
  padding-left: var(--atlas-space-4);
}

.atlas-footer a {
  min-width: var(--atlas-touch-min);
  min-height: var(--atlas-touch-min);
  display: inline-flex;
  align-items: center;
  color: var(--text-dim);
}

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

/* ---------- responsive ---------- */

@media (max-width: 1100px) {
  .xray-console {
    grid-template-columns: 1fr;
  }

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

  .switch-group-cache {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1101px) {
  .switch-panel {
    position: sticky;
    top: calc(var(--atlas-header-height) + 14px);
    align-self: start;
  }
}

@media (max-width: 860px) {
  .atlas-header__inner {
    width: min(calc(100% - 32px), 1280px);
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
  }

  .atlas-header__nav {
    display: none;
  }

  .atlas-search-control {
    width: var(--atlas-touch-min);
    min-width: var(--atlas-touch-min);
    min-height: var(--atlas-touch-min);
    justify-content: center;
    padding: 0;
  }

  .atlas-search-control__label,
  .atlas-search-control kbd {
    position: absolute;
    overflow: hidden;
    width: 1px;
    height: 1px;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .product-chip {
    display: none;
  }

  .atlas-mobile-nav {
    position: fixed;
    z-index: 100;
    inset: auto 0 0;
    display: block;
    height: calc(64px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--border);
    background: rgba(10, 10, 15, 0.97);
    backdrop-filter: blur(14px);
    padding-bottom: env(safe-area-inset-bottom);
  }

  .atlas-mobile-nav__inner {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    height: 64px;
  }

  .atlas-mobile-nav__item {
    min-width: 44px;
    min-height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dim);
    font: 500 9px/1 var(--mono);
    letter-spacing: 0.04em;
    text-decoration: none;
    text-transform: uppercase;
  }

  .atlas-mobile-nav__item.active,
  .atlas-mobile-nav__item[aria-current="page"] {
    color: var(--accent);
  }

  body[data-atlas-bottom-nav="true"] {
    padding-bottom: calc(64px + env(safe-area-inset-bottom));
  }

  .xray-main {
    width: min(calc(100% - 32px), var(--atlas-content));
    padding-top: calc(var(--atlas-header-height) + 28px);
  }

  .xray-hero,
  .section-head {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .xray-hero {
    padding-top: var(--atlas-space-6);
  }

  .insight-grid,
  .inspector-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .atlas-wordmark {
    font-size: 11px;
    letter-spacing: 0.08em;
  }

  .atlas-header__brand {
    gap: 8px;
  }

  .atlas-estate-status-label {
    position: absolute;
    overflow: hidden;
    width: 1px;
    height: 1px;
    clip-path: inset(50%);
    white-space: nowrap;
  }

  .atlas-estate-status {
    min-width: var(--atlas-touch-min);
    min-height: var(--atlas-touch-min);
    justify-content: center;
    padding: 0;
  }

  .xray-hero h1 {
    font-size: clamp(2.25rem, 15vw, 3.35rem);
    line-height: 0.95;
  }

  .lede {
    margin-top: var(--atlas-space-4);
    font-size: 13px;
    line-height: 1.6;
  }

  .xray-hero {
    gap: var(--atlas-space-4);
    padding: var(--atlas-space-4) 0 var(--atlas-space-5);
  }

  .xray-proof {
    padding: var(--atlas-space-4);
  }

  .xray-proof div {
    padding: 10px;
  }

  .xray-product,
  .content-band,
  .detail-stack {
    padding: var(--atlas-space-5) 0;
  }

  .section-head {
    gap: var(--atlas-space-3);
    margin-bottom: var(--atlas-space-4);
  }

  .section-head h2 {
    font-size: clamp(1.65rem, 10vw, 2.1rem);
  }

  .xray-product__head > p {
    display: none;
  }

  .scenario-tabs,
  .stage-panel,
  .switch-panel,
  .insight-card {
    padding: var(--atlas-space-4);
  }

  .preset-btn {
    flex-basis: 100%;
  }

  .stage-actions .btn,
  .table-actions .btn {
    flex: 1 1 150px;
  }

  .pipeline {
    min-width: 680px;
  }

  .diagram {
    overflow-x: auto;
    overscroll-behavior-inline: contain;
  }

  .layer-tabs {
    min-width: 680px;
  }

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

  .switch-group-cache {
    grid-column: auto;
  }

  .budget-head {
    align-items: start;
    flex-direction: column;
  }

  .detail-panel summary {
    min-height: 64px;
    padding-inline: var(--atlas-space-4);
  }

  .detail-panel > :not(summary) {
    margin-inline: var(--atlas-space-4);
  }

  .atlas-footer {
    width: min(calc(100% - 32px), var(--atlas-content));
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 0;
    padding-bottom: calc(var(--atlas-space-8) + env(safe-area-inset-bottom));
  }

  .atlas-footer__context,
  .atlas-footer__evidence,
  .atlas-footer__escape {
    width: 100%;
    flex-wrap: wrap;
    border-left: 0;
    padding-left: 0;
    white-space: normal;
  }
}

@media (max-width: 390px) {
  .atlas-wordmark {
    font-size: 10px;
    letter-spacing: 0.04em;
  }

  .atlas-estate-status {
    gap: 5px;
    font-size: 8px;
    letter-spacing: 0.04em;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}