/* =========================================================
   CSS-Werkstatt – gemeinsames Stylesheet
   tutorials.mario-wiecha.de

   Automatisch aus den Seiten zusammengeführt: enthält nur Eigenschaften,
   die auf mehreren Seiten denselben Wert haben. Abweichendes und
   Seitenspezifisches bleibt im <style>-Block der jeweiligen Seite
   (der steht NACH diesem Stylesheet und überschreibt es).

   Einbinden:  <link rel="stylesheet" href="werkstatt.css">
   Schriften:  Space Grotesk, Inter, JetBrains Mono (wie bisher im <head>)
   ========================================================= */

:root {
  --bg: #150f0e;
  --bg-alt: #1e1514;
  --paper: #f4ede8;
  --red: #8b0000;
  --accent: #c8453a;
  --amber: #d9a441;
  --ink: #201716;
  --grid-line: rgba(255,255,255,0.06);
  --card: #201716;
  --red-bright: #c8453a;
  --muted: rgba(244,237,232,0.62);
  --line: rgba(244,237,232,0.1);
}

* {
  box-sizing: border-box;
}

html,body {
  margin: 0;
  padding: 0;
}

body {
  background: linear-gradient(var(--grid-line) 1px, transparent 1px) 0 0/32px 32px, linear-gradient(90deg, var(--grid-line) 1px, transparent 1px) 0 0/32px 32px, var(--bg);
  color: var(--paper);
  font-family: 'Inter', system-ui, sans-serif;
  min-height: 100vh;
}

a {
  color: var(--accent);
}

header.top {
  padding: 22px clamp(20px,5vw,64px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  flex-wrap: wrap;
  gap: 14px;
}

.brand {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}

.crumb {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: rgba(244,237,232,0.55);
}

.crumb b {
  font-weight: 600;
}

.back-link {
  font-size: 0.85rem;
  color: rgba(244,237,232,0.62);
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(244,237,232,0.1);
  padding: 8px 14px;
  border-radius: 100px;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.back-link:hover {
  border-color: var(--accent);
  color: var(--paper);
}

main {
  padding: clamp(24px,5vw,64px);
  max-width: 1180px;
  margin: 0 auto;
}

.hero {
  margin-bottom: 44px;
  max-width: 640px;
}

.hero .eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 10px;
}

h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  margin: 0 0 14px;
  letter-spacing: -0.01em;
}

.hero p {
  color: rgba(244,237,232,0.75);
  font-size: 1.02rem;
  margin: 0;
}

.definition {
  max-width: 760px;
  margin: 0 0 44px;
  background: rgba(255,255,255,0.03);
  border-left: 3px solid var(--red);
  border-radius: 4px;
  padding: 22px 26px;
}

.definition .acronym {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--accent);
  margin: 0 0 4px;
}

.definition .spellout {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: rgba(244,237,232,0.55);
  margin: 0 0 16px;
}

.definition dl {
  margin: 0;
  display: grid;
  gap: 12px;
}

.definition dt {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  font-size: 0.86rem;
  color: var(--amber);
  display: inline;
}

.definition dd {
  margin: 2px 0 0;
  font-size: 0.92rem;
  color: rgba(244,237,232,0.8);
}

.definition .summary {
  margin: 16px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 0.92rem;
  color: rgba(244,237,232,0.75);
}

.workbench {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: start;
  margin-bottom: 56px;
}

.stage {
  position: relative;
  background: var(--bg-alt);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 6px;
  padding: 44px 20px 20px;
  min-height: 420px;
  display: flex;
}

.stage::before {
  position: absolute;
  top: 16px;
  left: 20px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: rgba(244,237,232,0.4);
  letter-spacing: 0.04em;
}

.layer {
  position: relative;
}

.control {
  margin-bottom: 20px;
}

.code .prop {
  color: var(--accent);
}

.concepts {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(240px,1fr));
  gap: 18px;
  margin-bottom: 56px;
}

.concept {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 6px;
  padding: 20px;
  border-top: 3px solid var(--layer-color, var(--accent));
}

.next {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: rgba(244,237,232,0.5);
  flex-wrap: wrap;
  gap: 10px;
}

.info-bar {
  margin-top: 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: rgba(244,237,232,0.5);
}

.seg {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.demo-card {
  background: var(--paper);
  color: var(--ink);
  border-radius: 8px;
  text-align: center;
  min-width: 220px;
  transition: all 0.2s ease;
}

.demo-card .msg {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
}

.code .kw {
  color: var(--accent);
}

.code .str {
  color: var(--amber);
}

@media (max-width: 860px) {
  .workbench {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .stage {
    padding: 36px 16px 16px;
    min-height: 320px;
  }
  .concepts {
    grid-template-columns: 1fr;
  }
  .code {
    font-size: 0.7rem;
    padding: 14px;
  }
}

@media (max-width: 400px) {
  .brand {
    font-size: 1rem;
  }
  .crumb {
    font-size: 0.72rem;
  }
}