/* Resurgent Game Plan — blueprint drawing set (light + dark) */

@font-face {
  font-family: "Blueprint Sans";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: local("IBM Plex Sans"), local("Segoe UI"), local("system-ui");
}

@font-face {
  font-family: "Blueprint Mono";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: local("IBM Plex Mono"), local("Consolas"), local("ui-monospace");
}

/* ── Shared tokens ── */
:root {
  --font-sans: "Blueprint Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "Blueprint Mono", ui-monospace, "Cascadia Code", monospace;
  --radius-sm: 2px;
  --radius-md: 4px;
  --shadow-panel: none;
  --grid-size: 24px;
  --grid-sub: 6px;
  --transition-theme: 180ms ease;
  --max-content: 1120px;
  --nav-width: 15.5rem;
  color-scheme: light dark;
}

/* ── Light: vellum / cyan-line blueprint ── */
:root,
[data-theme="light"] {
  color-scheme: light;
  --bg-base: #eef3f9;
  --bg-elevated: rgba(255, 255, 255, 0.92);
  --bg-nav: rgba(255, 255, 255, 0.88);
  --ink-primary: #0f2847;
  --ink-secondary: #3d5a73;
  --ink-muted: #5c7286;
  --line-strong: #1e4d8c;
  --line-medium: rgba(30, 77, 140, 0.45);
  --line-faint: rgba(30, 77, 140, 0.18);
  --accent: #1565c0;
  --accent-soft: rgba(21, 101, 192, 0.12);
  --accent-hover: #0d47a1;
  --link: #0b5cab;
  --link-visited: #5e35b1;
  --warn-bg: rgba(180, 83, 9, 0.08);
  --warn-border: rgba(180, 83, 9, 0.35);
  --warn-ink: #7c2d12;
  --table-stripe: rgba(21, 101, 192, 0.04);
  --table-head: rgba(21, 101, 192, 0.1);
  --focus-ring: #1565c0;
  --toggle-track: rgba(30, 77, 140, 0.2);
  --toggle-thumb: #fff;
  --grid-major: rgba(21, 101, 192, 0.14);
  --grid-minor: rgba(21, 101, 192, 0.06);
  --hero-glow: rgba(21, 101, 192, 0.06);
}

/* ── Dark: classic blueprint film ── */
[data-theme="dark"] {
  color-scheme: dark;
  --bg-base: #071018;
  --bg-elevated: rgba(10, 28, 48, 0.88);
  --bg-nav: rgba(8, 22, 38, 0.94);
  --ink-primary: #e8f4ff;
  --ink-secondary: #a8c4dc;
  --ink-muted: #7a9bb5;
  --line-strong: #6eb8f0;
  --line-medium: rgba(110, 184, 240, 0.45);
  --line-faint: rgba(110, 184, 240, 0.16);
  --accent: #7ec8ff;
  --accent-soft: rgba(126, 200, 255, 0.1);
  --accent-hover: #b8e0ff;
  --link: #9ed4ff;
  --link-visited: #c4b5fd;
  --warn-bg: rgba(251, 191, 36, 0.1);
  --warn-border: rgba(251, 191, 36, 0.35);
  --warn-ink: #fde68a;
  --table-stripe: rgba(126, 200, 255, 0.04);
  --table-head: rgba(126, 200, 255, 0.12);
  --focus-ring: #7ec8ff;
  --toggle-track: rgba(110, 184, 240, 0.25);
  --toggle-thumb: #071018;
  --grid-major: rgba(110, 184, 240, 0.12);
  --grid-minor: rgba(110, 184, 240, 0.05);
  --hero-glow: rgba(126, 200, 255, 0.05);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]) {
    color-scheme: dark;
    --bg-base: #071018;
    --bg-elevated: rgba(10, 28, 48, 0.88);
    --bg-nav: rgba(8, 22, 38, 0.94);
    --ink-primary: #e8f4ff;
    --ink-secondary: #a8c4dc;
    --ink-muted: #7a9bb5;
    --line-strong: #6eb8f0;
    --line-medium: rgba(110, 184, 240, 0.45);
    --line-faint: rgba(110, 184, 240, 0.16);
    --accent: #7ec8ff;
    --accent-soft: rgba(126, 200, 255, 0.1);
    --accent-hover: #b8e0ff;
    --link: #9ed4ff;
    --link-visited: #c4b5fd;
    --warn-bg: rgba(251, 191, 36, 0.1);
    --warn-border: rgba(251, 191, 36, 0.35);
    --warn-ink: #fde68a;
    --table-stripe: rgba(126, 200, 255, 0.04);
    --table-head: rgba(126, 200, 255, 0.12);
    --focus-ring: #7ec8ff;
    --toggle-track: rgba(110, 184, 240, 0.25);
    --toggle-thumb: #071018;
    --grid-major: rgba(110, 184, 240, 0.12);
    --grid-minor: rgba(110, 184, 240, 0.05);
    --hero-glow: rgba(126, 200, 255, 0.05);
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink-primary);
  background-color: var(--bg-base);
  background-image:
    linear-gradient(var(--grid-minor) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-minor) 1px, transparent 1px),
    linear-gradient(var(--grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-major) 1px, transparent 1px);
  background-size:
    var(--grid-sub) var(--grid-sub),
    var(--grid-sub) var(--grid-sub),
    var(--grid-size) var(--grid-size),
    var(--grid-size) var(--grid-size);
  background-position: center top;
  transition:
    background-color var(--transition-theme),
    color var(--transition-theme);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse 80% 50% at 50% -10%, var(--hero-glow), transparent 60%);
  z-index: 0;
}

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

a:visited {
  color: var(--link-visited);
}

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 0.75rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--line-strong);
  color: var(--ink-primary);
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  min-height: 100vh;
}

@media (min-width: 960px) {
  .shell {
    grid-template-columns: var(--nav-width) minmax(0, 1fr);
  }
}

/* ── Navigation panel ── */
.nav-panel {
  position: sticky;
  top: 0;
  align-self: start;
  max-height: 100vh;
  overflow-y: auto;
  padding: 1.25rem 1rem 1.5rem;
  background: var(--bg-nav);
  border-bottom: 1px solid var(--line-faint);
  backdrop-filter: blur(8px);
}

@media (min-width: 960px) {
  .nav-panel {
    border-bottom: none;
    border-right: 1px solid var(--line-medium);
    min-height: 100vh;
  }
}

.brand {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0 0 0.35rem;
}

.brand-title {
  margin: 0 0 1rem;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink-primary);
}

.sheet-meta {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  line-height: 1.5;
  color: var(--ink-muted);
  margin: 0 0 1.25rem;
  padding: 0.65rem 0.75rem;
  border: 1px dashed var(--line-medium);
  background: var(--accent-soft);
}

.sheet-meta dt {
  float: left;
  clear: left;
  width: 4.5rem;
  color: var(--ink-secondary);
}

.sheet-meta dd {
  margin: 0 0 0.25rem;
}

.nav-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0 0 0.5rem;
}

.nav-list {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
}

.nav-list a {
  display: block;
  padding: 0.45rem 0.5rem;
  margin-bottom: 0.15rem;
  font-size: 0.875rem;
  color: var(--ink-secondary);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition:
    border-color var(--transition-theme),
    color var(--transition-theme),
    background var(--transition-theme);
}

.nav-list a:hover,
.nav-list a:focus-visible {
  color: var(--accent);
  border-left-color: var(--accent);
  background: var(--accent-soft);
}

.nav-list a[aria-current="true"] {
  color: var(--accent);
  font-weight: 600;
  border-left-color: var(--line-strong);
  background: var(--accent-soft);
}

.theme-control {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line-faint);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  width: 100%;
  padding: 0.55rem 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-secondary);
  background: var(--bg-elevated);
  border: 1px solid var(--line-medium);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition:
    border-color var(--transition-theme),
    color var(--transition-theme),
    background var(--transition-theme);
}

.theme-toggle:hover {
  border-color: var(--line-strong);
  color: var(--accent);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.theme-toggle__track {
  position: relative;
  width: 2.75rem;
  height: 1.35rem;
  flex-shrink: 0;
  background: var(--toggle-track);
  border: 1px solid var(--line-medium);
  border-radius: 999px;
}

.theme-toggle__thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: calc(1.35rem - 6px);
  height: calc(1.35rem - 6px);
  background: var(--toggle-thumb);
  border: 1px solid var(--line-medium);
  border-radius: 50%;
  transition: transform var(--transition-theme);
}

[data-theme="light"] .theme-toggle__thumb {
  transform: translateX(0);
}

[data-theme="dark"] .theme-toggle__thumb {
  transform: translateX(1.35rem);
}

.theme-hint {
  margin: 0;
  font-size: 0.75rem;
  color: var(--ink-muted);
}

/* ── Main content ── */
.main {
  padding: 1.25rem 1rem 3rem;
}

@media (min-width: 640px) {
  .main {
    padding: 1.75rem 2rem 4rem;
  }
}

.hero-panel {
  position: relative;
  max-width: var(--max-content);
  margin: 0 auto 1.75rem;
  padding: 1.5rem 1.25rem 1.35rem;
  background: var(--bg-elevated);
  border: 1px solid var(--line-medium);
  box-shadow: var(--shadow-panel);
}

.hero-panel::before,
.hero-panel::after,
.panel::before,
.panel::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  border-color: var(--line-strong);
  border-style: solid;
  pointer-events: none;
}

.hero-panel::before,
.panel::before {
  top: 6px;
  left: 6px;
  border-width: 2px 0 0 2px;
}

.hero-panel::after,
.panel::after {
  bottom: 6px;
  right: 6px;
  border-width: 0 2px 2px 0;
}

.panel-id {
  position: absolute;
  top: 0.65rem;
  right: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
}

.hero-panel h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.35rem, 2.5vw, 1.85rem);
  line-height: 1.25;
  font-weight: 700;
  color: var(--ink-primary);
  max-width: 42rem;
}

.lede {
  margin: 0;
  font-size: 1.02rem;
  color: var(--ink-secondary);
  max-width: 52rem;
}

.disclaimer {
  margin: 1rem 0 0;
  padding: 0.75rem 0.85rem;
  font-size: 0.875rem;
  color: var(--warn-ink);
  background: var(--warn-bg);
  border: 1px dashed var(--warn-border);
}

.panel-grid {
  max-width: var(--max-content);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.panel {
  position: relative;
  padding: 1.35rem 1.15rem 1.25rem;
  background: var(--bg-elevated);
  border: 1px solid var(--line-medium);
  scroll-margin-top: 1rem;
  transition:
    background var(--transition-theme),
    border-color var(--transition-theme);
}

.panel h2 {
  margin: 0 0 1rem;
  padding-bottom: 0.65rem;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--ink-primary);
  border-bottom: 1px solid var(--line-faint);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.panel h3 {
  margin: 1.25rem 0 0.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent);
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.panel p {
  margin: 0 0 0.85rem;
  color: var(--ink-secondary);
}

.panel ul,
.panel ol {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
  color: var(--ink-secondary);
}

.panel li {
  margin-bottom: 0.45rem;
}

.panel li strong {
  color: var(--ink-primary);
}

.subpanel {
  margin-top: 1rem;
  padding: 1rem;
  border: 1px dashed var(--line-faint);
  background: var(--accent-soft);
}

.script-block {
  margin: 1rem 0;
  padding: 1rem 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--ink-secondary);
  border: 1px solid var(--line-medium);
  border-left: 3px solid var(--accent);
  background: var(--bg-base);
}

.script-block::before {
  content: "CALL SCRIPT";
  display: block;
  margin-bottom: 0.65rem;
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--ink-muted);
}

.avoid-panel {
  margin: 1rem 0;
  padding: 0.85rem 1rem;
  font-size: 0.9rem;
  color: var(--warn-ink);
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
}

.avoid-panel strong {
  display: block;
  margin-bottom: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.case-caption {
  margin: 0 0 1rem;
  padding: 0.65rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--ink-secondary);
  border: 1px dashed var(--line-medium);
  background: var(--accent-soft);
}

.table-wrap td.empty-cell {
  color: var(--ink-muted);
  min-width: 5rem;
}

.panel-actions {
  margin: 0 0 1rem;
}

.panel-actions a {
  display: inline-block;
  padding: 0.4rem 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--accent);
  border: 1px solid var(--line-medium);
  background: var(--accent-soft);
}

.panel-actions a:hover {
  border-color: var(--line-strong);
}

.sources-list {
  margin: 1rem 0 0;
  padding-left: 1.25rem;
  font-size: 0.82rem;
  color: var(--ink-muted);
}

.sources-list a {
  word-break: break-word;
}

/* Entity flow diagram */
.entity-flow {
  display: grid;
  gap: 0.65rem;
  margin: 1rem 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

@media (min-width: 720px) {
  .entity-flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    align-items: stretch;
  }
}

.entity-node {
  position: relative;
  padding: 0.65rem 0.5rem;
  text-align: center;
  border: 1px solid var(--line-medium);
  background: var(--bg-base);
  color: var(--ink-primary);
}

.entity-node span {
  display: block;
  font-size: 0.62rem;
  color: var(--ink-muted);
  margin-top: 0.25rem;
}

.entity-node:not(:last-child)::after {
  content: "→";
  position: absolute;
  right: -0.55rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  z-index: 2;
  display: none;
}

@media (min-width: 720px) {
  .entity-node:not(:last-child)::after {
    display: block;
  }
}

.contact-block {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.55;
  padding: 0.85rem;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  color: var(--ink-secondary);
}

/* Tables */
.table-wrap {
  overflow-x: auto;
  margin: 0.75rem 0 1rem;
  border: 1px solid var(--line-faint);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

caption {
  caption-side: top;
  text-align: left;
  padding: 0.5rem 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
  background: var(--table-head);
  border-bottom: 1px solid var(--line-faint);
}

th,
td {
  padding: 0.55rem 0.65rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-faint);
  color: var(--ink-secondary);
}

th {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-primary);
  background: var(--table-head);
}

tbody tr:nth-child(even) {
  background: var(--table-stripe);
}

td strong {
  color: var(--ink-primary);
}

.stat-callout {
  margin: 0.75rem 0;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line-medium);
  background: var(--bg-base);
}

.stat-callout p {
  margin: 0;
}

.stat-callout strong {
  color: var(--accent);
}

.steps-list {
  counter-reset: step;
  list-style: none;
  padding-left: 0;
}

.steps-list li {
  counter-increment: step;
  position: relative;
  padding-left: 2.25rem;
  margin-bottom: 0.85rem;
}

.steps-list li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  border: 1px solid var(--line-medium);
  padding: 0.15rem 0.35rem;
  min-width: 1.75rem;
  text-align: center;
}

.checklist {
  list-style: none;
  padding-left: 0;
}

.checklist li {
  position: relative;
  padding-left: 1.35rem;
}

.checklist li::before {
  content: "▢";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: var(--font-mono);
}

.site-footer {
  max-width: var(--max-content);
  margin: 2rem auto 0;
  padding: 1rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
  border-top: 1px dashed var(--line-faint);
  text-align: center;
}

@media print {
  body {
    background: #fff;
    color: #000;
  }

  .nav-panel,
  .theme-control,
  .skip-link {
    display: none;
  }

  .shell {
    display: block;
  }

  .panel,
  .hero-panel {
    break-inside: avoid;
    border: 1px solid #999;
    box-shadow: none;
  }

  a {
    color: #000;
    text-decoration: none;
  }

  a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: 0.65rem;
  }
}