/* =============================================================
   Katbot Docs — brand overlay for Material for MkDocs
   Loaded via extra_css in mkdocs.yml.
   ============================================================= */

/* ---- Fonts (self-hostable later; CDN fine for initial rollout) ---- */
@import url("https://rsms.me/inter/inter.css");
@import url("https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&display=swap");

/* ---- Design tokens ---- */
:root {
  --kb-accent:         #ff8a3d;
  --kb-accent-hover:   #ffa05c;
  --kb-accent-dim:     rgba(255, 138, 61, 0.15);

  --kb-info:    #3da9ff;
  --kb-success: #3ddc97;
  --kb-warning: #ffb547;
  --kb-danger:  #ff5d6c;
}

/* =============================================================
   Dark mode (slate) — the primary experience
   ============================================================= */
[data-md-color-scheme="slate"] {
  /* Material core vars
     --md-primary-fg-color  = header background color (used as bg for the header bar)
     --md-primary-bg-color  = color of text/icons that sit ON the primary bg (must contrast)
  */
  --md-primary-fg-color:           #1a1a1f;   /* header bar background */
  --md-primary-fg-color--light:    #26262c;
  --md-primary-fg-color--dark:     #0a0a0b;
  --md-primary-bg-color:           #f5f5f7;   /* header icon/text color — light on dark bg */
  --md-primary-bg-color--light:    rgba(245, 245, 247, 0.7);

  --md-accent-fg-color:            var(--kb-accent);
  --md-accent-fg-color--transparent: var(--kb-accent-dim);
  --md-accent-bg-color:            #0a0a0b;
  --md-accent-bg-color--light:     rgba(245, 245, 247, 0.7);

  /* Surfaces */
  --md-default-bg-color:           #0a0a0b;
  --md-default-bg-color--light:    #111114;
  --md-default-bg-color--lighter:  #1a1a1f;
  --md-default-bg-color--lightest: #26262c;

  /* Text */
  --md-default-fg-color:           #f5f5f7;
  --md-default-fg-color--light:    #a8a8b3;
  --md-default-fg-color--lighter:  #6e6e78;
  --md-default-fg-color--lightest: #3a3a42;

  /* Code */
  --md-code-bg-color:              #111114;
  --md-code-fg-color:              #f5f5f7;

  /* Typeset */
  --md-typeset-a-color:            var(--kb-accent);
  --md-typeset-mark-color:         var(--kb-accent-dim);

  /* Footer */
  --md-footer-bg-color:            #111114;
  --md-footer-bg-color--dark:      #0a0a0b;
  --md-footer-fg-color:            #a8a8b3;
  --md-footer-fg-color--light:     #f5f5f7;
  --md-footer-fg-color--lighter:   #6e6e78;
}

/* =============================================================
   Light mode — softer, still branded
   ============================================================= */
[data-md-color-scheme="default"] {
  --md-primary-fg-color:           var(--kb-accent);
  --md-primary-fg-color--light:    var(--kb-accent-hover);
  --md-primary-fg-color--dark:     #d96a20;
  --md-accent-fg-color:            var(--kb-accent);
  --md-accent-fg-color--transparent: var(--kb-accent-dim);
  --md-typeset-a-color:            #d96a20;
}

/* =============================================================
   Typography
   ============================================================= */
body,
.md-typeset {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-feature-settings: "cv11", "ss01", "ss03";
  -webkit-font-smoothing: antialiased;
}

.md-typeset code,
.md-typeset pre,
.md-typeset kbd {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;
  font-feature-settings: "calt", "ss02";
}

/* Tighten heading rhythm; uppercase eyebrow for H6 to mirror marketing site labels */
.md-typeset h1 {
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 2.25rem;
  margin-bottom: 1rem;
}
.md-typeset h2 {
  font-weight: 600;
  letter-spacing: -0.015em;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--md-default-fg-color--lightest);
}
.md-typeset h3 { font-weight: 600; letter-spacing: -0.01em; }
.md-typeset h6 {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
  font-size: 0.75rem;
  color: var(--kb-accent);
  margin-bottom: 0.25rem;
}

/* =============================================================
   Header — slim, branded
   ============================================================= */
.md-header {
  background-color: #111114;
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--md-default-fg-color--lightest);
  box-shadow: none;
}

[data-md-color-scheme="slate"] .md-header {
  background-color: #111114;
}

/* Force header icons, title, and buttons to be visible (light on dark) */
.md-header .md-header__button,
.md-header .md-header__title,
.md-header .md-header__topic,
.md-header svg {
  color: #f5f5f7;
}

/* Accent the site name */
.md-header__title .md-header__topic:first-child {
  color: var(--kb-accent);
}

.md-header__title {
  font-weight: 600;
  letter-spacing: -0.01em;
  color: #f5f5f7;
}

/* Nav tabs bar */
.md-tabs {
  background-color: transparent;
  border-bottom: 1px solid var(--md-default-fg-color--lightest);
}
.md-tabs__link {
  opacity: 0.75;
  font-weight: 500;
  transition: opacity 0.15s ease, color 0.15s ease;
}
.md-tabs__link:hover,
.md-tabs__link--active {
  opacity: 1;
  color: var(--kb-accent);
}

/* =============================================================
   Sidebar navigation
   ============================================================= */
.md-nav__title {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--md-default-fg-color--light);
}

/* Fix mobile sidebar collapse gap */
@media screen and (max-width: 76.1875em) {
  .md-nav--primary .md-nav__title[for="__drawer"] {
    margin-left: 0;
  }
  .md-nav--primary .md-nav__list:not([data-md-state="hidden"]) ~ .md-nav__toggle + label::before {
    left: 1rem;
  }
}

/* Ensure no extra left padding when sidebar is collapsed */
@media screen and (max-width: 76.1875em) {
  body .md-header__options {
    margin-left: 0;
  }
  .md-header__title {
    margin-left: 0;
  }
}

.md-nav__link {
  border-radius: 6px;
  padding: 0.35rem 0.5rem;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.md-nav__link:hover {
  background-color: var(--md-default-bg-color--lighter);
  color: var(--md-default-fg-color);
}
.md-nav__link--active {
  color: var(--kb-accent);
  background-color: var(--kb-accent-dim);
  font-weight: 500;
}

/* =============================================================
   Content body
   ============================================================= */
.md-content__inner {
  padding-top: 1rem;
}

/* Tighten horizontal rules to prevent excessive whitespace */
.md-typeset hr {
  margin: 1rem 0;
}


/* Links */
.md-typeset a {
  color: var(--kb-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.md-typeset a:hover {
  color: var(--kb-accent-hover);
  border-bottom-color: var(--kb-accent);
}

/* Inline code */
.md-typeset code {
  background-color: var(--md-default-bg-color--lighter);
  color: var(--kb-accent-hover);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  font-size: 0.875em;
  border: 1px solid var(--md-default-fg-color--lightest);
}

/* Code blocks */
.md-typeset pre > code {
  background-color: var(--md-code-bg-color);
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  font-size: 0.85rem;
  line-height: 1.6;
}

.highlight .filename {
  background-color: var(--md-default-bg-color--lighter);
  color: var(--md-default-fg-color--light);
  border-top-left-radius: 8px;
  border-top-right-radius: 8px;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-bottom: none;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  text-transform: lowercase;
  letter-spacing: 0.02em;
}

/* Copy button hover */
.md-clipboard:hover {
  color: var(--kb-accent);
}

/* =============================================================
   Admonitions — branded callouts
   ============================================================= */
.md-typeset .admonition,
.md-typeset details {
  border-radius: 8px;
  border-width: 1px;
  border-left-width: 4px;
  font-size: 0.875rem;
  box-shadow: none;
  background-color: var(--md-default-bg-color--light);
}

.md-typeset .admonition-title,
.md-typeset summary {
  font-weight: 600;
  letter-spacing: -0.005em;
}

/* Accent-color overrides per type */
.md-typeset .admonition.note,
.md-typeset details.note {
  border-color: var(--kb-info);
}
.md-typeset .admonition.tip,
.md-typeset details.tip,
.md-typeset .admonition.success,
.md-typeset details.success {
  border-color: var(--kb-success);
}
.md-typeset .admonition.warning,
.md-typeset details.warning {
  border-color: var(--kb-warning);
}
.md-typeset .admonition.danger,
.md-typeset details.danger,
.md-typeset .admonition.failure,
.md-typeset details.failure {
  border-color: var(--kb-danger);
}
.md-typeset .admonition.example,
.md-typeset details.example {
  border-color: var(--kb-accent);
}

/* =============================================================
   Tables
   ============================================================= */
.md-typeset table:not([class]) {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 8px;
  overflow: hidden;
  font-size: 0.85rem;
}
.md-typeset table:not([class]) th {
  background-color: var(--md-default-bg-color--lighter);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.7rem;
  color: var(--md-default-fg-color--light);
}
.md-typeset table:not([class]) td {
  border-top: 1px solid var(--md-default-fg-color--lightest);
}

/* =============================================================
   Search
   ============================================================= */
.md-search__form {
  background-color: var(--md-default-bg-color--lighter);
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 8px;
  transition: border-color 0.15s ease;
}
.md-search__form:hover,
.md-search__input:focus ~ .md-search__form {
  border-color: var(--kb-accent);
}
.md-search__input {
  color: var(--md-default-fg-color);
}
.md-search__input::placeholder {
  color: var(--md-default-fg-color--lighter);
}

/* Search results */
.md-search-result__meta {
  background-color: var(--md-default-bg-color--light);
  color: var(--md-default-fg-color--light);
  border-bottom: 1px solid var(--md-default-fg-color--lightest);
}
.md-search-result__article--document .md-search-result__title {
  color: var(--kb-accent);
}

/* =============================================================
   Content tabs
   ============================================================= */
.md-typeset .tabbed-labels > label {
  font-weight: 500;
  letter-spacing: 0;
  color: var(--md-default-fg-color--light);
  transition: color 0.15s ease;
}
.md-typeset .tabbed-labels > label:hover {
  color: var(--md-default-fg-color);
}
.md-typeset .tabbed-labels > input:checked + label {
  color: var(--kb-accent);
}
.md-typeset .tabbed-labels--linked > label > a::before {
  background-color: var(--kb-accent);
}

/* =============================================================
   Buttons (for CTA links in markdown via .md-button)
   ============================================================= */
.md-button {
  display: inline-block;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  padding: 0.5rem 1.25rem !important;
}
.md-typeset .md-button {
  background-color: transparent;
  border: 1px solid var(--md-default-fg-color--lightest);
  color: var(--md-default-fg-color);
  border-radius: 8px;
  padding: 0.5rem 1.25rem;
  font-weight: 500;
  transition: all 0.15s ease;
}
.md-typeset .md-button:hover {
  border-color: var(--kb-accent);
  color: var(--kb-accent);
  background-color: var(--kb-accent-dim);
}
.md-typeset .md-button--primary,
.md-typeset .md-button--primary:hover,
.md-typeset .md-button--primary:focus {
  background-color: var(--kb-accent);
  border-color: var(--kb-accent);
  color: #ffffff !important;
}
.md-typeset .md-button--primary:hover,
.md-typeset .md-button--primary:focus {
  background-color: var(--kb-accent-hover);
  border-color: var(--kb-accent-hover);
}
.kb-footer-col--brand .md-button {
  padding: 0.6rem 1.75rem;
  margin-top: 0.5rem;
}

/* =============================================================
   Footer — ensure it stays below sidebar on scroll
   ============================================================= */
.md-footer {
  background-color: var(--md-footer-bg-color);
  border-top: 1px solid var(--md-default-fg-color--lightest);
  position: relative;
  z-index: 100;
}

/* Sidebar should stay above footer — only apply position:relative on desktop */
.md-nav--primary .md-nav__list {
  position: relative;
  z-index: 50;
}
@media screen and (min-width: 76.25em) {
  .md-sidebar--primary {
    position: relative;
    z-index: 50;
  }
}
.md-footer-meta {
  background-color: var(--md-footer-bg-color--dark);
}
.md-social__link:hover {
  color: var(--kb-accent);
}

/* =============================================================
   Images — lift with subtle frame like marketing site cards
   ============================================================= */
.md-typeset img:not([class]) {
  border-radius: 8px;
  border: 1px solid var(--md-default-fg-color--lightest);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  max-width: 100%;
}

/* =============================================================
   Scrollbars (webkit) — thin, branded
   ============================================================= */
[data-md-color-scheme="slate"] ::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
[data-md-color-scheme="slate"] ::-webkit-scrollbar-track {
  background: var(--md-default-bg-color);
}
[data-md-color-scheme="slate"] ::-webkit-scrollbar-thumb {
  background: var(--md-default-fg-color--lightest);
  border-radius: 5px;
}
[data-md-color-scheme="slate"] ::-webkit-scrollbar-thumb:hover {
  background: var(--md-default-fg-color--lighter);
}

/* =============================================================
   Footer
   ============================================================= */
.kb-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding: 3rem 2rem 2rem;   /* horizontal padding so columns don't hit edges */
}
@media (max-width: 768px) {
  .kb-footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding: 2rem 1rem 1.5rem;
  }
  .kb-footer-col--brand { grid-column: 1 / -1; }
}
.kb-footer-logo { width: 40px; height: 40px; margin-bottom: 0.75rem; }
.kb-footer-tagline {
  color: var(--md-default-fg-color--light);
  font-size: 0.875rem;
  max-width: 32ch;
  margin-bottom: 1rem;
}
/* Column headings — override .md-typeset h6 to align with list items */
.md-typeset .kb-footer-col h6 {
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--md-default-fg-color--light);
  margin: 0 0 0.75rem 0;
  padding: 0;
  border: none;
}
.kb-footer-col { padding: 0; text-align: left; }
/* Override .md-typeset ul/li margins that shift list 30px right of h6 */
.md-typeset .kb-footer-col ul { list-style: none; padding: 0; margin: 0; text-align: left; }
.md-typeset .kb-footer-col ul li { margin: 0 0 0.4rem 0; padding: 0; }
/* Reset .md-typeset link styles — remove border-bottom that misaligns text */
.md-typeset .kb-footer-col a {
  color: var(--md-default-fg-color);
  font-size: 0.875rem;
  text-decoration: none;
  border-bottom: none;
  padding: 0;
  margin: 0;
}
.md-typeset .kb-footer-col a:hover { color: var(--kb-accent); border-bottom: none; }
.kb-footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;                  /* space between copyright and katbot.ai link */
  padding: 1.5rem 2rem;       /* match grid horizontal padding */
  border-top: 1px solid var(--md-default-fg-color--lightest);
  font-size: 0.75rem;
  color: var(--md-default-fg-color--lighter);
}

.kb-footer-bottom-copyright {
  display: flex;
  justify-content: space-between;
  gap: 1rem;                  /* space between copyright and katbot.ai link */
  padding: 1.5rem 2rem;       /* match grid horizontal padding */
  font-size: 0.75rem;
  color: var(--md-default-fg-color--lighter);
}

/* =============================================================
   Selection
   ============================================================= */
::selection {
  background-color: var(--kb-accent-dim);
  color: var(--kb-accent-hover);
}