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

:root {
  --font-sans: "Space Grotesk", "Manrope", "Segoe UI", Tahoma, sans-serif;
  --font-mono: "Cascadia Code", Consolas, monospace;

  --bg: #0b0c14;
  --bg-deep: #070812;
  --bg-soft: #14172a;
  --panel: #0f111f;
  --panel-strong: #11162a;
  --panel-glass: rgba(16, 24, 42, 0.82);
  --panel-glass-strong: rgba(16, 24, 42, 0.92);
  --border: #1c2140;
  --border-soft: rgba(255, 255, 255, 0.12);
  --border-ghost: rgba(255, 255, 255, 0.08);
  --text: #eef3ff;
  --text-strong: #f5f7ff;
  --muted: #a7b4d8;
  --muted-strong: #c7d3f2;

  --accent: #f0a500;
  --accent-strong: #f5bf43;
  --accent-soft: #1f1a2d;
  --accent-ink: #0b0c14;
  --accent-cool: #78c6ff;
  --accent-cool-strong: #5a99ff;
  --accent-cool-ink: #0a1020;

  --good: #7bd58c;
  --warn: #f6d36b;
  --bad: #e57f7f;
  --info: #8b7bff;

  --shadow: 0 16px 32px rgba(0, 0, 0, 0.4);
  --shadow-strong: 0 18px 38px rgba(0, 0, 0, 0.55);

  --page-gradient: radial-gradient(circle at 20% 20%, #14172a 0, #0b0c14 60%, #070812 100%);
  --field-bg: #0d1022;
  --chip-bg: #171d34;
  --code-bg: #0b1024;
  --code-border: #1c2140;
  --mark-bg: #11152b;

  --table-head-bg: #13162b;
  --table-section-bg: #13172d;
  --table-section-header-bg: #0f1326;
  --table-row-bg: #0b0f24;
  --table-footer-bg: #0f1326;

  --details-row-bg: #0f1532;
  --details-panel-bg: #141b3b;
  --details-panel-border: #3a4678;
  --details-panel-shadow: 0 0 0 1px rgba(58, 70, 120, 0.35), 0 12px 26px rgba(0, 0, 0, 0.4);

  --instructions-bg: #171f3d;
  --instructions-border: #3b4674;
  --instructions-shadow: 0 0 0 1px rgba(59, 70, 116, 0.3), 0 10px 24px rgba(0, 0, 0, 0.4);

  --relationships-bg: #0f152f;
  --relationships-border: #2f3964;

  --danger-bg: #2b0f14;
  --danger-border: #5a1c24;
  --danger-text: #f6d36b;

  --pill-bg: #121426;
  --pill-border: #1c2140;
  --pill-text: #a7b4d8;

  --scrollbar-track: #0d1226;
  --scrollbar-thumb: #2b355a;
  --scrollbar-thumb-hover: #3a4674;
  --focus-ring: #9bd8ff;
}

:root[data-theme="light"] {
  --bg: #f6f7fb;
  --bg-deep: #e7ebf5;
  --bg-soft: #f1f4fa;
  --panel: #ffffff;
  --panel-strong: #ffffff;
  --panel-glass: rgba(255, 255, 255, 0.88);
  --panel-glass-strong: rgba(255, 255, 255, 0.95);
  --border: #d4d9e6;
  --border-soft: rgba(20, 25, 40, 0.12);
  --border-ghost: rgba(20, 25, 40, 0.08);
  --text: #1b2235;
  --text-strong: #111827;
  --muted: #4c5876;
  --muted-strong: #3e4a68;

  --shadow: 0 16px 32px rgba(20, 23, 40, 0.12);
  --shadow-strong: 0 18px 38px rgba(20, 23, 40, 0.18);

  --page-gradient: radial-gradient(circle at 20% 20%, #ffffff 0, #f1f4f9 60%, #e7ebf5 100%);
  --field-bg: #ffffff;
  --chip-bg: #f1f4fb;
  --code-bg: #eef2fa;
  --code-border: #d8dee9;
  --mark-bg: #e7ecf7;

  --table-head-bg: #f1f4fb;
  --table-section-bg: #e7ecf7;
  --table-section-header-bg: #f4f6fc;
  --table-row-bg: #ffffff;
  --table-footer-bg: #f1f4fb;

  --details-row-bg: #eef2ff;
  --details-panel-bg: #f7f9ff;
  --details-panel-border: #b9c6e6;
  --details-panel-shadow: 0 0 0 1px rgba(145, 160, 200, 0.25), 0 10px 24px rgba(20, 23, 40, 0.12);

  --instructions-bg: #fff6e6;
  --instructions-border: #e0c28b;
  --instructions-shadow: 0 0 0 1px rgba(180, 150, 100, 0.25), 0 10px 24px rgba(20, 23, 40, 0.12);

  --relationships-bg: #f4f6ff;
  --relationships-border: #cbd5ee;

  --danger-bg: #ffe9e9;
  --danger-border: #d85a5a;
  --danger-text: #9b1b2a;

  --pill-bg: #eef1f8;
  --pill-border: #d4d9e6;
  --pill-text: #4c5876;

  --scrollbar-track: #eef2f8;
  --scrollbar-thumb: #c6cfdf;
  --scrollbar-thumb-hover: #b3bdd3;
  --focus-ring: #145ca8;
}

:root[data-theme="high-contrast"] {
  --bg: #000000;
  --bg-deep: #000000;
  --bg-soft: #080808;
  --panel: #000000;
  --panel-strong: #080808;
  --panel-glass: rgba(0, 0, 0, 0.96);
  --panel-glass-strong: #000000;
  --border: #ffffff;
  --border-soft: #ffffff;
  --border-ghost: #b8b8b8;
  --text: #ffffff;
  --text-strong: #ffffff;
  --muted: #f2f2f2;
  --muted-strong: #ffffff;

  --accent: #ffff00;
  --accent-strong: #ffff66;
  --accent-soft: #171700;
  --accent-ink: #000000;
  --accent-cool: #66ffff;
  --accent-cool-strong: #00ffff;
  --accent-cool-ink: #000000;

  --good: #76ff76;
  --warn: #ffff00;
  --bad: #ff9f9f;
  --info: #c9b8ff;
  --focus-ring: #ffff00;

  --shadow: none;
  --shadow-strong: none;
  --page-gradient: #000000;
  --field-bg: #000000;
  --chip-bg: #080808;
  --code-bg: #000000;
  --code-border: #ffffff;
  --mark-bg: #151515;
  --table-head-bg: #080808;
  --table-section-bg: #101010;
  --table-section-header-bg: #080808;
  --table-row-bg: #000000;
  --table-footer-bg: #080808;
  --details-row-bg: #080808;
  --details-panel-bg: #000000;
  --details-panel-border: #ffffff;
  --details-panel-shadow: none;
  --instructions-bg: #111100;
  --instructions-border: #ffff00;
  --instructions-shadow: none;
  --relationships-bg: #000000;
  --relationships-border: #ffffff;
  --danger-bg: #210000;
  --danger-border: #ff9f9f;
  --danger-text: #ffffff;
  --pill-bg: #000000;
  --pill-border: #ffffff;
  --pill-text: #ffffff;
  --scrollbar-track: #000000;
  --scrollbar-thumb: #ffffff;
  --scrollbar-thumb-hover: #ffff00;
}

* {
  box-sizing: border-box;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
  scrollbar-width: thin;
}

body {
  margin: 0;
  background: var(--page-gradient);
  color: var(--text);
  font-family: var(--font-sans);
}

[hidden] {
  display: none !important;
}

:where(a, button, input, select, textarea, summary):focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

*::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

*::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}

*::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 999px;
  border: 2px solid var(--scrollbar-track);
}

*::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-thumb-hover);
}

a {
  color: var(--accent-strong);
  text-decoration: none;
}

code {
  font-family: var(--font-mono);
}

/* Shared product shell. Equal side columns keep navigation centered even when
   the product and session controls have different widths. */
.chax-site-header {
  position: relative;
  z-index: 30;
  width: 100%;
  min-height: 4.25rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: clamp(0.55rem, 1.5vw, 1.5rem);
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 0.95rem;
  color: var(--text);
  background: var(--panel-glass-strong);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.chax-product-mark {
  min-width: 0;
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text-strong);
}

.chax-product-mark:hover {
  color: var(--text-strong);
}

.chax-product-glyph {
  width: 2.3rem;
  height: 2.3rem;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 0.72rem;
  color: var(--accent-cool-ink);
  background: linear-gradient(135deg, var(--accent-cool), var(--accent-cool-strong));
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.chax-product-copy {
  min-width: 0;
}

.chax-product-copy strong,
.chax-product-copy small {
  display: block;
}

.chax-product-copy strong {
  color: var(--text-strong);
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.chax-product-copy small {
  margin-top: 0.08rem;
  overflow: hidden;
  color: var(--muted);
  font-size: 0.68rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chax-tm {
  position: relative;
  top: -0.12em;
  margin-left: 0.2em;
  color: var(--muted-strong);
  font-size: 0.56em;
  line-height: 0;
}

/* Keep this order identical on every primary surface. */
.chax-nav {
  max-width: 100%;
  display: inline-flex;
  align-items: center;
  gap: 0.16rem;
  padding: 0.24rem;
  overflow-x: auto;
  border: 1px solid var(--border-ghost);
  border-radius: 0.8rem;
  background: var(--bg-soft);
  scrollbar-width: none;
  white-space: nowrap;
}

.chax-nav::-webkit-scrollbar {
  display: none;
}

.chax-nav a,
.chax-nav button {
  min-height: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 0.58rem;
  padding: 0.42rem 0.62rem;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  font: 650 0.75rem var(--font-sans);
  text-decoration: none;
}

.chax-nav a:hover,
.chax-nav button:hover,
.chax-nav .active {
  color: var(--text-strong);
  background: var(--panel-strong);
  box-shadow: 0 5px 14px rgba(0, 0, 0, 0.22);
}

.chax-nav .active {
  color: var(--accent-cool);
}

.chax-session-slot {
  position: relative;
  justify-self: end;
}

.chax-session-toggle {
  min-width: 8.6rem;
  min-height: 2.75rem;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.55rem;
  border: 1px solid var(--border-soft);
  border-radius: 0.72rem;
  color: var(--text-strong);
  background: var(--panel);
  cursor: pointer;
  font: inherit;
  text-align: left;
}

.chax-session-toggle:hover,
.chax-session-toggle[aria-expanded="true"] {
  border-color: var(--accent-cool);
  background: var(--panel-strong);
}

.chax-session-toggle strong,
.chax-session-toggle small {
  display: block;
}

.chax-session-toggle strong {
  font-size: 0.72rem;
}

.chax-session-toggle small {
  max-width: 6.2rem;
  margin-top: 0.08rem;
  overflow: hidden;
  color: var(--muted);
  font-size: 0.62rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chax-session-dot {
  width: 0.62rem;
  height: 0.62rem;
  border: 2px solid var(--muted);
  border-radius: 50%;
  background: transparent;
}

.chax-session-toggle.is-authenticated .chax-session-dot {
  border-color: var(--good);
  background: var(--good);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--good) 20%, transparent);
}

.chax-session-caret {
  color: var(--accent-cool);
  font-size: 1rem;
  transition: transform 120ms ease;
}

.chax-session-toggle[aria-expanded="true"] .chax-session-caret {
  transform: rotate(180deg);
}

.chax-session-panel {
  position: absolute;
  top: calc(100% + 0.55rem);
  right: 0;
  z-index: 80;
  width: min(22rem, calc(100vw - 2rem));
  padding: 0.9rem;
  border: 1px solid var(--border-soft);
  border-radius: 0.85rem;
  color: var(--text);
  background: var(--panel-glass-strong);
  box-shadow: var(--shadow-strong);
  backdrop-filter: blur(18px);
}

.chax-session-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
}

.chax-session-heading strong,
.chax-session-heading small {
  display: block;
}

.chax-session-heading strong {
  color: var(--text-strong);
  font-size: 0.95rem;
}

.chax-session-heading small {
  margin-top: 0.16rem;
  color: var(--muted);
  font-size: 0.69rem;
}

.chax-session-close {
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 0.5rem;
  color: var(--muted-strong);
  background: transparent;
  cursor: pointer;
  font: 1.25rem/1 var(--font-sans);
}

.chax-session-close:hover {
  border-color: var(--border-soft);
  color: var(--text-strong);
  background: var(--panel-strong);
}

.chax-session-form {
  margin-top: 0.8rem;
  display: grid;
  gap: 0.36rem;
}

.chax-session-form label {
  margin-top: 0.28rem;
  color: var(--muted-strong);
  font-size: 0.7rem;
  font-weight: 700;
}

.chax-session-form input {
  width: 100%;
  min-height: 2.45rem;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 0.58rem;
  color: var(--text-strong);
  background: var(--field-bg);
  font: 0.8rem var(--font-sans);
}

.chax-session-primary,
.chax-session-secondary {
  min-height: 2.35rem;
  margin-top: 0.5rem;
  padding: 0.45rem 0.7rem;
  border: 1px solid transparent;
  border-radius: 0.58rem;
  cursor: pointer;
  font: 700 0.75rem var(--font-sans);
}

a.chax-session-primary,
a.chax-session-secondary {
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  text-align: center;
  text-decoration: none;
}

.chax-session-provider-actions {
  margin-top: 0.55rem;
  display: grid;
  gap: 0.15rem;
}

.chax-session-divider {
  margin-top: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.chax-session-divider::before,
.chax-session-divider::after {
  height: 1px;
  flex: 1;
  content: "";
  background: var(--border-ghost);
}

.chax-session-primary {
  color: var(--accent-cool-ink);
  background: linear-gradient(135deg, var(--accent-cool), var(--accent-cool-strong));
}

.chax-session-secondary {
  color: var(--text-strong);
  border-color: var(--border-soft);
  background: var(--panel);
}

.chax-session-primary:disabled {
  cursor: wait;
  opacity: 0.7;
}

.chax-session-status {
  min-height: 1rem;
  margin: 0.55rem 0 0;
  color: var(--muted-strong);
  font-size: 0.7rem;
  line-height: 1.4;
}

.chax-session-scope-note {
  margin: 0.55rem 0 0;
  color: var(--muted);
  font-size: 0.66rem;
  line-height: 1.4;
}

.chax-session-status[data-kind="error"] {
  color: var(--bad);
  font-weight: 700;
}

.chax-session-details {
  margin: 0.8rem 0 0;
  display: grid;
  gap: 0.38rem;
}

.chax-session-details div {
  min-width: 0;
  display: grid;
  grid-template-columns: 4.2rem minmax(0, 1fr);
  gap: 0.5rem;
  align-items: baseline;
}

.chax-session-details dt {
  color: var(--muted);
  font-size: 0.66rem;
}

.chax-session-details dd {
  min-width: 0;
  margin: 0;
  overflow-wrap: anywhere;
  color: var(--text-strong);
  font: 0.66rem/1.4 var(--font-mono);
}

.chax-session-actions,
.chax-session-footer {
  margin-top: 0.75rem;
  padding-top: 0.65rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
  border-top: 1px solid var(--border-ghost);
  color: var(--muted);
  font-size: 0.68rem;
}

.chax-session-actions a,
.chax-session-footer a {
  color: var(--accent-cool);
  font-weight: 700;
}

@media (max-width: 900px) {
  .chax-site-header {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .chax-site-header .chax-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-self: center;
  }

}

@media (max-width: 560px) {
  .chax-site-header {
    padding: 0.5rem;
  }

  .chax-product-copy small {
    display: none;
  }

  .chax-product-copy strong {
    font-size: 0.78rem;
  }

  .chax-session-toggle {
    min-width: 7.25rem;
  }

  .chax-site-header .chax-nav {
    width: 100%;
    justify-self: stretch;
  }
}