/*
 * LuminalShine Sphinx (Furo) overrides — NortheBridge aurora palette.
 * Matches https://gitdocs.northebridge.com/luminalshine.
 *
 * Most colors are wired through Furo's CSS variables in conf.py; this
 * file adds the radial aurora backdrop, Inter webfont, and a few
 * accent-on-black niceties that Furo doesn't expose as variables.
 */

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

:root,
body,
body[data-theme="light"],
body[data-theme="dark"] {
  --ls-bg-base: #04060f;
  --ls-bg-deep: #070b1f;
  --ls-blue-1: #1ec8ff;
  --ls-blue-2: #4a7dff;
  --ls-violet: #8a5cff;
  --ls-teal:   #00e0c6;
  --ls-text:   #f3f6ff;
  --ls-border: rgba(255, 255, 255, 0.12);
}

/* Aurora gradient backdrop — same recipe as the gh-pages site */
body {
  background-color: var(--ls-bg-base);
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: "";
  position: fixed;
  inset: -20%;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(ellipse 60% 50% at 15% 20%, rgba(30, 200, 255, 0.28), transparent 60%),
    radial-gradient(ellipse 50% 45% at 85% 15%, rgba(138, 92, 255, 0.22), transparent 60%),
    radial-gradient(ellipse 70% 55% at 50% 95%, rgba(0, 224, 198, 0.16), transparent 65%),
    radial-gradient(ellipse 45% 40% at 90% 80%, rgba(74, 125, 255, 0.22), transparent 60%),
    linear-gradient(180deg, var(--ls-bg-deep) 0%, var(--ls-bg-base) 100%);
  filter: blur(40px) saturate(125%);
}

/* Keep content surfaces readable on top of the aurora */
.sidebar-drawer,
.content,
.toc-drawer {
  background-color: rgba(7, 11, 31, 0.72);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
}

/* Brand mark / site title */
.sidebar-brand-text {
  background: linear-gradient(135deg, var(--ls-blue-1), var(--ls-violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* Headings get a subtle cyan tint, links the brand blue */
h1, h2, h3, h4, h5, h6 {
  color: var(--ls-text);
  letter-spacing: -0.015em;
}

h1 {
  background: linear-gradient(135deg, var(--ls-text) 0%, var(--ls-blue-1) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

a, .toctree-l1 > a:hover {
  text-decoration-color: rgba(30, 200, 255, 0.4);
}

/* Inline + block code blocks */
code.literal {
  background: rgba(30, 200, 255, 0.10);
  border: 1px solid rgba(30, 200, 255, 0.22);
  border-radius: 4px;
  padding: 0.05em 0.35em;
  color: var(--ls-blue-1);
}

.highlight, pre {
  background: rgba(7, 11, 31, 0.85) !important;
  border: 1px solid var(--ls-border);
  border-radius: 8px;
}

/* Buttons / admonitions / search */
.sidebar-search,
.sidebar-search:focus,
.sidebar-search-container input[type="search"] {
  background-color: rgba(7, 11, 31, 0.6);
  border: 1px solid var(--ls-border);
  color: var(--ls-text);
}

.admonition {
  border-left: 3px solid var(--ls-blue-1);
  background-color: rgba(7, 11, 31, 0.7);
  border-radius: 6px;
}

.admonition.note,
.admonition.tip,
.admonition.hint {
  border-left-color: var(--ls-blue-1);
}

.admonition.warning,
.admonition.caution {
  border-left-color: #ffb454;
}

.admonition.danger,
.admonition.error {
  border-left-color: #ff6b6b;
}

/* Tables */
table.docutils {
  border: 1px solid var(--ls-border);
  border-radius: 6px;
  overflow: hidden;
}

table.docutils thead {
  background: rgba(30, 200, 255, 0.08);
}

table.docutils th {
  color: var(--ls-blue-1);
  font-weight: 600;
  letter-spacing: 0.01em;
}

/* Selection */
::selection {
  background: rgba(30, 200, 255, 0.35);
  color: var(--ls-text);
}

/* Scrollbar polish */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--ls-bg-base); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--ls-blue-2), var(--ls-violet));
  border-radius: 5px;
}