/* Styles for css-scss-scrolly.qmd (a beginner's guide to CSS and SCSS).
   Section order matches the guide: shared bits, then Parts 1 to 8. */

@import url('https://fonts.googleapis.com/css2?family=Roboto+Mono:wght@400;700&family=Roboto+Slab:wght@400;700&display=swap');

:root {
  --cream: #fbf3ea;
  --cream-dark: #f3dbc1;
  --chickpea: #f8ca5d;
  --cinnamon: #a04a0d;
  --forest: #105b09;
  --dark: #112909;
  --sand: #e6dccf;
}

body {
  font-family: "Roboto Slab", serif;
  color: var(--dark);
  background-color: var(--cream);
}

h1, h2, h3 {
  font-family: "Roboto Mono", monospace;
  color: var(--dark);
}

code {
  font-family: "Roboto Mono", monospace;
  color: var(--cinnamon);
}

/* ---------- Shared bits ---------- */

.part-tag {
  display: inline-block;
  margin: 0 0 0.75rem;
  padding: 0.2rem 0.75rem;
  border-radius: 999px;
  background: var(--dark);
  color: var(--chickpea);
  font-family: "Roboto Mono", monospace;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.file-label {
  font-family: "Roboto Mono", monospace;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--forest);
  margin: 0.75rem 0 0.25rem;
}

.note-line {
  margin: 0.25rem 0 0.5rem;
  font-size: 0.9rem;
  color: var(--forest);
}

.sticky-col pre {
  max-height: 18rem;
  overflow: auto;
  margin-bottom: 0.5rem;
}

.sticky-col p {
  margin-bottom: 0.5rem;
}

.frame {
  padding: 1rem;
  margin-bottom: 0.75rem;
  border: 2px dashed var(--cinnamon);
  border-radius: 8px;
  background: #ffffff;
}

.frame-lg {
  font-size: 1.25rem;
}

/* Undo the page's styling so a demo starts from plain browser defaults. */
.rv,
.rv * {
  all: revert;
}

.side-by-side {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  align-items: start;
}

.side-by-side.wide-left {
  grid-template-columns: 3fr 2fr;
}

.side-by-side pre {
  font-size: 0.7rem;
}

.diff table {
  width: 100%;
  font-size: 0.9rem;
}

.diff th,
.diff td {
  padding: 0.4rem 0.75rem;
  vertical-align: top;
}

/* ---------- Part 1: the card that gets styled ----------

   The qmd shows plain selectors such as `h4` and `.sprout-card`. Here they
   are scoped with step classes (.t-color, ...) so each sticky can show a
   different stage without restyling the rest of the page. */

.sprout-card.t-color h4 { color: #a04a0d; }
.sprout-card.t-color a  { color: #105b09; }

.sprout-card.t-space {
  background: #f3dbc1;
  padding: 1.5rem;
  border-radius: 12px;
}

.sprout-card.t-btn a {
  background: #f8ca5d;
  padding: 0.4rem 0.9rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 700;
}

/* ---------- Part 2: annotated rule ---------- */

.rule {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-start;
  gap: 0.25rem;
  padding: 1.5rem 0.5rem;
  font-family: "Roboto Mono", monospace;
  font-size: 1.4rem;
}

.rule.compact {
  font-size: 1.05rem;
}

.rule .part {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.5rem 0.75rem;
  border: 2px solid transparent;
  border-radius: 8px;
  transition: opacity 0.3s, background 0.3s;
}

.rule .part small {
  margin-top: 0.5rem;
  font-family: "Roboto Slab", serif;
  font-size: 0.8rem;
  line-height: 1.3;
  text-align: center;
  color: var(--forest);
}

.rule .glue {
  padding: 0.5rem 0;
  transition: opacity 0.3s;
}

/* :where() keeps the fade rule weaker than the highlight rules below. */
.rule:where([class*="hl-"]:not(.hl-all)) .part,
.rule:where([class*="hl-"]:not(.hl-all)) .glue {
  opacity: 0.25;
}

.rule.hl-sel .sel,
.rule.hl-prop .prop,
.rule.hl-val .val,
.rule.hl-decl .prop,
.rule.hl-decl .val,
.rule.hl-decl .glue.decl,
.rule.hl-block .prop,
.rule.hl-block .val,
.rule.hl-block .glue {
  opacity: 1;
}

.rule.hl-sel .sel,
.rule.hl-prop .prop,
.rule.hl-val .val,
.rule.hl-decl .prop,
.rule.hl-decl .val,
.rule.hl-block .prop,
.rule.hl-block .val {
  background: var(--chickpea);
  border-color: var(--dark);
}

.rule.hl-block .glue.brace {
  padding: 0.5rem 0.3rem;
  border: 2px solid var(--dark);
  border-radius: 8px;
  background: var(--chickpea);
}

.rule.hl-all .part {
  background: var(--cream-dark);
  border-color: var(--dark);
}

/* ---------- Part 3: selector practice card ---------- */

.pg .card {
  padding: 0.75rem 1rem;
  border: 1px solid #999999;
}

.pg.p-type p { background: #f8ca5d; }
.pg.p-class .note { background: #f8ca5d; }
.pg.p-id #title { background: #f8ca5d; }
.pg.p-group h4,
.pg.p-group a { background: #f8ca5d; }
.pg.p-desc p a { background: #f8ca5d; }
.pg.p-hover a:hover { background: #f8ca5d; }

/* ---------- Part 4: values ---------- */

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 1rem 0;
}

.chip {
  width: 8.5rem;
  padding: 1.25rem 0.5rem;
  border-radius: 8px;
  color: #ffffff;
  text-align: center;
  font-family: "Roboto Mono", monospace;
  font-size: 0.8rem;
}

.bars,
.align-frame {
  width: 16rem;
  padding: 0.5rem;
  border: 2px dashed var(--forest);
  border-radius: 8px;
  background: #ffffff;
}

.bar {
  box-sizing: border-box;
  height: 1.8rem;
  margin: 0.4rem 0;
  padding-left: 0.4rem;
  border: 2px solid var(--dark);
  border-radius: 4px;
  background: var(--chickpea);
  font-family: "Roboto Mono", monospace;
  font-size: 0.75rem;
  line-height: 1.5rem;
  white-space: nowrap;
}

.align-frame p {
  margin: 0.25rem 0;
  font-family: "Roboto Mono", monospace;
  font-size: 0.8rem;
}

/* ---------- Part 5: the box model ---------- */

.bm {
  display: table;
  margin: 0.5rem 0 1rem;
}

.bm .layer {
  position: relative;
}

.bm .bm-margin {
  padding: 28px;
  border: 2px dashed var(--cinnamon);
  background: var(--cream-dark);
}

.bm .bm-border {
  border: 8px solid var(--dark);
  background: #ffffff;
}

.bm .bm-padding {
  padding: 28px;
  background: #fbe7a8;
}

.bm .bm-content {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 8rem;
  height: 3.5rem;
  background: #cfe0cb;
  font-family: "Roboto Mono", monospace;
  font-size: 0.8rem;
}

.bm .lab {
  z-index: 2;
  position: absolute;
  top: 4px;
  left: 8px;
  font-family: "Roboto Mono", monospace;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--dark);
}

.bm .bm-border > .lab {
  top: -13px;
  left: 12px;
  padding: 0 6px;
  border-radius: 4px;
  background: var(--dark);
  color: var(--chickpea);
}

.bm.hl-content .bm-content,
.bm.hl-padding .bm-padding,
.bm.hl-border .bm-border,
.bm.hl-margin .bm-margin {
  box-shadow: 0 0 0 4px var(--cinnamon);
  z-index: 1;
}

/* ---------- Part 6: inheritance and the cascade ---------- */

.inh {
  margin: 0;
}

.inh-1 {
  color: #a04a0d;
}

.inh-2 {
  color: #a04a0d;
  border: 2px solid #112909;
  padding: 0.75rem;
}

.cs1 p { color: #105b09; }
.cs1 p { color: #a04a0d; }

.cs2 .note { color: #105b09; }
.cs2 p { color: #a04a0d; }

.cs3 #x { color: #a04a0d; }
.cs3 .note { color: #105b09; }

/* ---------- Part 7: position squares ----------

   static, relative and absolute are the real thing: the squares are laid
   out by the same `position` property the text explains. fixed and sticky
   need a scrolling window, so those two are drawn as before/after
   illustrations. */

.pos-parent {
  position: relative;
  width: 15rem;
  padding: 0.75rem;
  border: 2px dashed var(--forest);
  border-radius: 8px;
  background: #ffffff;
}

.pos-parent .slot {
  width: 50px;
  margin-bottom: 24px;
}

.pos-parent .slot:last-child {
  margin-bottom: 0;
}

.sq {
  width: 50px;
  height: 50px;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--dark);
  border-radius: 6px;
  background: var(--sand);
  font-family: "Roboto Mono", monospace;
  font-weight: 700;
}

.sq.c {
  background: var(--chickpea);
}

.pos-relative .slot-c {
  outline: 2px dashed var(--cinnamon);
}

.pos-relative .sq.c {
  position: relative;
  top: 20px;
  left: 30px;
}

.pos-absolute .sq.c {
  position: absolute;
  top: 10px;
  right: 10px;
}

.win-pair {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 0.75rem;
}

.win-wrap small {
  display: block;
  margin-top: 0.4rem;
  text-align: center;
  color: var(--forest);
}

.win {
  position: relative;
  width: 130px;
  height: 160px;
  overflow: hidden;
  border: 2px solid var(--dark);
  border-radius: 8px;
  background: #ffffff;
}

.win .page {
  position: absolute;
  left: 8px;
  right: 8px;
  top: 0;
}

.win .page.scrolled {
  top: -80px;
}

.win .page i {
  display: block;
  height: 8px;
  margin-bottom: 12px;
  border-radius: 4px;
  background: var(--sand);
}

.win .sq {
  position: absolute;
  width: 36px;
  height: 36px;
  font-size: 0.8rem;
}

/* ---------- Part 8: how SCSS reaches the browser ---------- */

.paths {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 1rem 0;
}

.path {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.path .lang {
  width: 100%;
  font-family: "Roboto Mono", monospace;
  font-weight: 700;
  color: var(--cinnamon);
}

.path .node {
  padding: 0.6rem 0.9rem;
  border: 2px solid var(--dark);
  border-radius: 10px;
  background: #ffffff;
  font-family: "Roboto Mono", monospace;
  font-size: 0.9rem;
}

.path .node.accent { background: var(--chickpea); }
.path .node.browser { background: var(--cream-dark); }

.path .arrow {
  font-family: "Roboto Mono", monospace;
  font-weight: 700;
  color: var(--cinnamon);
}

/* The compiled CSS shown beside the SCSS examples, written out by hand. */

.scss-card { border: 2px solid #a04a0d; padding: 0.75rem 1rem; }
.scss-card h4 { color: #a04a0d; margin: 0 0 0.25rem; }
.scss-card p { margin: 0 0 0.5rem; }
.scss-card a { background: #f8ca5d; padding: 0.2rem 0.6rem; text-decoration: none; }
.scss-card a:hover { background: #a04a0d; color: white; }

.cta {
  background: #f8ca5d;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
}

.tag {
  background: #a04a0d;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  color: white;
}