/*
 * Labcamp — palette derived from the Claude Code brand orange (#d97757).
 * Base hue ≈ 15°; every color stays in the 14–18° family for cohesion.
 */

/* ===================================================================
   COLOR PALETTE — all values from hue 15° (±3°)
   =================================================================== */

/* ----- Light mode ----- */
[data-md-color-scheme="default"] {
  --md-primary-fg-color:        hsl(15, 63%, 42%);   /* #d97757 — the anchor */
  --md-primary-fg-color--light: hsl(16, 72%, 82%);   /* soft peach — underlines, tints */
  --md-primary-fg-color--dark:  hsl(14, 62%, 28%);   /* burnt sienna — text links */

  --md-accent-fg-color:         hsl(14, 68%, 52%);   /* deeper coral for hovers */
  --md-accent-bg-color:         hsla(16, 70%, 92%, 0.4);

  --md-default-bg-color:        hsl(18, 28%, 98%);   /* barely-warm paper */
  --md-default-fg-color:        hsl(15, 12%, 15%);   /* warm near-black */
  --md-default-fg-color--light: hsl(15, 8%, 42%);    /* muted labels */

  --md-code-bg-color:           hsl(16, 14%, 94%);
  --md-code-fg-color:           hsl(15, 12%, 22%);
  --md-code-hl-color:           hsla(15, 65%, 60%, 0.16);

  --md-typeset-a-color:         var(--md-primary-fg-color--dark);
  --md-footer-bg-color:         hsl(15, 14%, 12%);
  --md-footer-bg-color--dark:   hsl(15, 14%, 9%);
}

[data-md-color-scheme="default"] .md-header {
  box-shadow: 0 1px 0 hsla(15, 58%, 38%, 0.08),
              0 2px 8px hsla(15, 12%, 15%, 0.05);
}

/* ----- Dark mode — warm charcoal + ember ----- */
[data-md-color-scheme="slate"] {
  --md-hue: 15;

  --md-primary-fg-color:        hsl(15, 65%, 48%);   /* deep burnt sienna — header bg, white text readable */
  --md-primary-fg-color--light: hsl(18, 65%, 82%);
  --md-primary-fg-color--dark:  hsl(15, 65%, 50%);

  --md-primary-fg-color--dark:  hsl(15, 65%, 32%);   /* notably darker for pressed/active states */

  --md-typeset-a-color:         hsl(18, 72%, 78%);   /* light coral — readable on dark bg */

  --md-accent-fg-color:         hsl(17, 78%, 74%);
  --md-accent-bg-color:         hsla(16, 50%, 22%, 0.45);

  --md-default-bg-color:        hsl(16, 12%, 10%);   /* warm charcoal */
  --md-default-fg-color:        hsl(17, 10%, 90%);
  --md-default-fg-color--light: hsl(16, 8%, 58%);

  --md-code-bg-color:           hsl(15, 10%, 18%);   /* +8% over page bg so blocks are visible */
  --md-code-fg-color:           hsl(17, 10%, 82%);
  --md-code-hl-color:           hsla(15, 55%, 50%, 0.14);
}

[data-md-color-scheme="slate"] .md-header {
  box-shadow: 0 1px 0 hsla(18, 72%, 70%, 0.06),
              0 2px 10px hsla(0, 0%, 0%, 0.35);
}


/* ===================================================================
   TYPOGRAPHY — hierarchy, rhythm, readability
   =================================================================== */

.md-typeset {
  font-size: 0.82rem;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
}

.md-content {
  max-width: 52rem;
}

/* Headings: tighter tracking, heavier on h1/h2, lighter color step-down */
.md-typeset h1 {
  font-weight: 700;
  font-size: 2em;
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin-top: 0;
  margin-bottom: 0.6em;
  color: var(--md-default-fg-color);
}

.md-typeset h2 {
  font-weight: 600;
  font-size: 1.5em;
  letter-spacing: -0.015em;
  line-height: 1.3;
  margin-top: 2em;
  margin-bottom: 0.5em;
  padding-bottom: 0.3em;
  border-bottom: 1px solid var(--md-default-fg-color--lightest, hsla(15, 10%, 50%, 0.12));
}

.md-typeset h3 {
  font-weight: 600;
  font-size: 1.18em;
  letter-spacing: -0.01em;
  line-height: 1.4;
  margin-top: 1.8em;
  margin-bottom: 0.4em;
}

.md-typeset h4 {
  font-weight: 600;
  font-size: 1em;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 1.6em;
  margin-bottom: 0.35em;
  color: var(--md-default-fg-color--light);
}


/* ===================================================================
   LINKS
   =================================================================== */

.md-typeset a {
  text-decoration: underline;
  text-decoration-color: var(--md-primary-fg-color--light);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 0.18em;
  transition: text-decoration-color 0.15s ease, color 0.15s ease;
}
.md-typeset a:hover {
  text-decoration-color: var(--md-accent-fg-color);
}

/* Nav & header links shouldn't have underlines */
.md-nav a,
.md-header a,
.md-footer a,
.md-tabs a,
.md-typeset .md-content__button {
  text-decoration: none;
}


/* ===================================================================
   BLOCKQUOTES — exercise "lead" intros
   =================================================================== */

.md-typeset blockquote {
  font-size: 1.05em;
  font-style: italic;
  line-height: 1.65;
  color: var(--md-default-fg-color--light);
  border-left: 3px solid var(--md-primary-fg-color);
  padding: 0.35em 0 0.35em 1.2em;
  margin: 1em 0 1.4em 0;
  background: none;
}


/* ===================================================================
   CODE BLOCKS
   =================================================================== */

.md-typeset code {
  font-size: 0.82em;
  padding: 0.15em 0.35em;
  border-radius: 4px;
}

.md-typeset pre {
  border-radius: 8px;
  line-height: 1.55;
}

.md-typeset pre > code {
  font-size: 0.8em;
  padding: 0;
}

/* copy button subtle until hover */
.md-clipboard {
  opacity: 0;
  transition: opacity 0.2s ease;
}
.md-typeset pre:hover .md-clipboard {
  opacity: 0.65;
}
.md-clipboard:hover {
  opacity: 1 !important;
}


/* ===================================================================
   TABLES
   =================================================================== */

.md-typeset table:not([class]) {
  font-size: 0.84em;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 0 0 1px var(--md-default-fg-color--lightest, hsla(15, 10%, 50%, 0.1));
}

.md-typeset table:not([class]) th {
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.85em;
  letter-spacing: 0.04em;
  background: var(--md-code-bg-color);
}

.md-typeset table:not([class]) td {
  border-top: 1px solid var(--md-default-fg-color--lightest, hsla(15, 10%, 50%, 0.08));
}


/* ===================================================================
   ADMONITIONS — rounder, refined
   =================================================================== */

.md-typeset .admonition,
.md-typeset details {
  border-radius: 8px;
  font-size: 0.88em;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.md-typeset .admonition-title,
.md-typeset summary {
  font-weight: 600;
  letter-spacing: 0.01em;
}


/* ===================================================================
   CHECKPOINTS — the ✅ boxes at the end of exercises
   =================================================================== */

.md-typeset .admonition.success .task-list-control input[type="checkbox"],
.md-typeset details.success .task-list-control input[type="checkbox"] {
  accent-color: var(--md-primary-fg-color);
}


/* ===================================================================
   HORIZONTAL RULES — visible section dividers
   =================================================================== */

.md-typeset hr {
  border: none;
  height: 1px;
  background: linear-gradient(
    to right,
    transparent,
    var(--md-default-fg-color--lightest, hsla(15, 10%, 50%, 0.18)) 15%,
    var(--md-default-fg-color--lightest, hsla(15, 10%, 50%, 0.18)) 85%,
    transparent
  );
  margin: 2.4em 0;
}


/* ===================================================================
   NAVIGATION — sidebar & tabs
   =================================================================== */

.md-nav__link {
  font-size: 0.78rem;
  transition: color 0.15s ease;
}

.md-nav__link--active {
  font-weight: 700;
  color: var(--md-accent-fg-color) !important;
}

.md-tabs__link {
  font-weight: 500;
  font-size: 0.76rem;
  letter-spacing: 0.02em;
}

/* Header site title */
.md-header__topic:first-child .md-ellipsis {
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* Back-to-top button */
.md-top {
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}


/* ===================================================================
   GRID CARDS (home page "getting started")
   =================================================================== */

.md-typeset .grid.cards > ul > li,
.md-typeset .grid.cards > ol > li {
  border-radius: 10px;
  border: 1px solid var(--md-default-fg-color--lightest, hsla(15, 10%, 50%, 0.12));
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.md-typeset .grid.cards > ul > li:hover,
.md-typeset .grid.cards > ol > li:hover {
  border-color: var(--md-primary-fg-color--light);
  box-shadow: 0 4px 14px hsla(15, 63%, 60%, 0.1);
}


/* ===================================================================
   MISC POLISH
   =================================================================== */

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

/* Selection highlight */
::selection {
  background: hsla(15, 65%, 60%, 0.25);
}

/* Footer prev/next links */
.md-footer__link {
  transition: opacity 0.15s ease;
}
.md-footer__link:hover {
  opacity: 0.85;
}

/* Tip admonitions — make the icon area warmer */
.md-typeset .admonition.tip {
  border-color: var(--md-primary-fg-color);
}

[data-md-color-scheme="default"] .md-typeset .admonition.tip {
  background: hsla(16, 72%, 96%, 0.5);
}


/* ===================================================================
   LOGO — swap to white version in light mode (orange header bg)
   =================================================================== */

.md-logo img {
  height: 40px !important;
  width: auto !important;
}

[data-md-color-scheme="default"] .md-logo img {
  content: url('../img/claudecode-white.png');
}

[data-md-color-scheme="slate"] .md-logo img {
  content: url('../img/claudecode-black.png');
}