/*
 * Chemigram — visual identity overrides for mkdocs-material.
 *
 * Goal: a confident, modern dev-tool aesthetic that nods to the
 * project's photographic roots (darkroom amber / safelight warmth)
 * without leaning into anything kitsch. Tight type, sharp accents,
 * generous whitespace. Tested in both light and dark modes.
 */

/* ============================================================
 *  Display font for headings
 *  ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  --md-text-font: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --md-code-font: "JetBrains Mono", ui-monospace, monospace;
  --chem-display-font: "Space Grotesk", "Inter", -apple-system, sans-serif;
}

.md-typeset h1,
.md-typeset h2 {
  font-family: var(--chem-display-font);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.md-typeset h3,
.md-typeset h4 {
  font-family: var(--chem-display-font);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.md-header__title,
.md-tabs__link {
  font-family: var(--chem-display-font);
  letter-spacing: -0.01em;
}

.md-header__title {
  font-weight: 600;
}

/* ============================================================
 *  Tighter type scale
 *  ============================================================ */
.md-typeset h1 {
  font-size: 2.4rem;
  margin-bottom: 0.5em;
}

.md-typeset h2 {
  font-size: 1.6rem;
  margin-top: 1.6em;
}

.md-typeset h3 {
  font-size: 1.15rem;
  margin-top: 1.2em;
}

/* ============================================================
 *  Color refinement
 *  ============================================================ */
[data-md-color-scheme="default"] {
  /* Light: warm-leaning charcoal text on near-white; amber accent */
  --md-default-fg-color: #1a1a1a;
  --md-default-fg-color--light: #404040;
  --md-default-fg-color--lighter: #707070;
  --md-default-bg-color: #fafaf7;        /* hint of warmth */
  --md-accent-fg-color: #d97706;          /* amber-600 */
  --md-typeset-a-color: #c2410c;          /* orange-700 */
}

[data-md-color-scheme="slate"] {
  /* Dark: deep neutral with amber accent; not pure black to keep it readable */
  --md-default-fg-color: #e5e5e5;
  --md-default-fg-color--light: #b8b8b8;
  --md-default-fg-color--lighter: #888;
  --md-default-bg-color: #0e0e10;         /* near-black, slight blue undertone */
  --md-default-bg-color--light: #161618;
  --md-default-bg-color--lighter: #1f1f22;
  --md-code-bg-color: #1a1a1d;
  --md-accent-fg-color: #f59e0b;          /* amber-500 */
  --md-typeset-a-color: #fbbf24;          /* amber-400 — readable on dark */
}

/* Header always gets a subtle treatment */
.md-header {
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
  backdrop-filter: blur(8px);
}

[data-md-color-scheme="slate"] .md-header {
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
  background: rgba(14, 14, 16, 0.85);
}

/* ============================================================
 *  Hero treatment for the home page
 *  Use a `.chem-hero` class on the first H1 in index.md if added.
 *  ============================================================ */
.chem-hero {
  margin: 1.5rem 0 3rem;
  padding: 3rem 0 2.5rem;
  border-bottom: 1px solid var(--md-default-fg-color--lighter);
}

.chem-hero h1 {
  font-size: 3.4rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  background: linear-gradient(
    135deg,
    var(--md-default-fg-color) 0%,
    var(--md-accent-fg-color) 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
  line-height: 1.05;
}

.chem-hero p.chem-tagline {
  font-size: 1.25rem;
  color: var(--md-default-fg-color--light);
  margin-top: 0;
  margin-bottom: 1.75rem;
  font-family: var(--chem-display-font);
  font-weight: 400;
  letter-spacing: -0.01em;
}

.chem-hero .chem-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.75em 1.4em;
  background: var(--md-accent-fg-color);
  color: white;
  border-radius: 6px;
  font-weight: 600;
  font-family: var(--chem-display-font);
  text-decoration: none !important;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  border: 1px solid var(--md-accent-fg-color);
}

.chem-hero .chem-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(217, 119, 6, 0.25);
}

.chem-hero .chem-cta--ghost {
  background: transparent;
  color: var(--md-default-fg-color);
  border: 1px solid var(--md-default-fg-color--lighter);
  margin-left: 0.5rem;
}

[data-md-color-scheme="slate"] .chem-hero .chem-cta--ghost {
  border-color: rgba(255, 255, 255, 0.15);
}

.chem-hero .chem-cta--ghost:hover {
  border-color: var(--md-accent-fg-color);
  color: var(--md-accent-fg-color);
}

/* ============================================================
 *  Cards (for the doc-tier sections, etc.)
 *  Apply via grid-card class on a UL with attr_list:
 *    - **Item** — desc { .grid-card }
 *  ============================================================ */
.chem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  list-style: none !important;
  margin-left: 0 !important;
  padding-left: 0 !important;
  margin-top: 1.5rem;
}

.chem-grid li {
  list-style: none !important;
  padding: 1.25rem 1.4rem !important;
  border: 1px solid var(--md-default-fg-color--lighter);
  border-radius: 8px;
  background: var(--md-default-bg-color);
  transition: border-color 0.15s ease, transform 0.15s ease;
  margin-left: 0 !important;
}

.chem-grid li:hover {
  border-color: var(--md-accent-fg-color);
  transform: translateY(-2px);
}

[data-md-color-scheme="slate"] .chem-grid li {
  background: var(--md-default-bg-color--light);
  border-color: rgba(255, 255, 255, 0.08);
}

[data-md-color-scheme="slate"] .chem-grid li:hover {
  border-color: var(--md-accent-fg-color);
}

/* ============================================================
 *  Code blocks: tighter
 *  ============================================================ */
.md-typeset code {
  font-size: 0.85em;
  padding: 0.15em 0.4em;
  border-radius: 3px;
}

.md-typeset pre code {
  font-size: 0.82rem;
  line-height: 1.55;
}

[data-md-color-scheme="slate"] .md-typeset code {
  background: rgba(245, 158, 11, 0.1);
  color: #fbbf24;
}

/* ============================================================
 *  Better tables
 *  ============================================================ */
.md-typeset table:not([class]) {
  border: 1px solid var(--md-default-fg-color--lighter);
  border-radius: 6px;
  overflow: hidden;
  font-size: 0.85rem;
}

.md-typeset table:not([class]) th {
  font-family: var(--chem-display-font);
  font-weight: 600;
  background: var(--md-default-bg-color--light, rgba(0, 0, 0, 0.03));
  letter-spacing: -0.01em;
}

[data-md-color-scheme="slate"] .md-typeset table:not([class]) th {
  background: rgba(255, 255, 255, 0.03);
}

/* ============================================================
 *  Admonitions (note / warning / tip)
 *  Subtle accent on left, no heavy fill.
 *  ============================================================ */
.md-typeset .admonition,
.md-typeset details {
  border-radius: 6px;
  border-left-width: 3px;
  font-size: 0.85rem;
  box-shadow: none;
}

/* ============================================================
 *  Navigation polish
 *  ============================================================ */
.md-tabs {
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

[data-md-color-scheme="slate"] .md-tabs {
  border-bottom-color: rgba(255, 255, 255, 0.06);
}

.md-tabs__link {
  font-size: 0.85rem;
  opacity: 0.75;
  transition: opacity 0.15s ease;
}

.md-tabs__link:hover,
.md-tabs__link--active {
  opacity: 1;
}

/* Sidebar nav item that's active gets the accent on the left */
.md-nav__item--active > .md-nav__link {
  font-weight: 600;
  color: var(--md-accent-fg-color);
}

/* ============================================================
 *  Better blockquotes
 *  ============================================================ */
.md-typeset blockquote {
  border-left: 3px solid var(--md-accent-fg-color);
  font-style: normal;
  color: var(--md-default-fg-color--light);
}

/* ============================================================
 *  Footer / announcement
 *  ============================================================ */
.md-banner {
  background: linear-gradient(
    90deg,
    rgba(217, 119, 6, 0.08) 0%,
    rgba(217, 119, 6, 0.02) 100%
  );
  font-size: 0.85rem;
}

[data-md-color-scheme="slate"] .md-banner {
  background: linear-gradient(
    90deg,
    rgba(245, 158, 11, 0.12) 0%,
    rgba(245, 158, 11, 0.03) 100%
  );
}

.md-banner__inner {
  text-align: center;
}

/* ============================================================
 *  Better selection
 *  ============================================================ */
::selection {
  background: rgba(217, 119, 6, 0.25);
}

[data-md-color-scheme="slate"] ::selection {
  background: rgba(245, 158, 11, 0.35);
}

/* ============================================================
 *  Smooth scroll
 *  ============================================================ */
html {
  scroll-behavior: smooth;
}

/* ============================================================
 *  Logo / repo button cleanup
 *  ============================================================ */
.md-header__button.md-logo {
  padding: 0.4rem;
}

.md-source__repository {
  font-family: var(--chem-display-font);
  font-size: 0.78rem;
  font-weight: 500;
}

/* ============================================================
 *  Search box
 *  ============================================================ */
.md-search__form {
  border-radius: 6px;
}

[data-md-color-scheme="slate"] .md-search__form {
  background: rgba(255, 255, 255, 0.06);
}

[data-md-color-scheme="slate"] .md-search__input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}