/* Agent Literacy — Course-specific styles
   Shared base: https://janrummel.github.io/ai-learning/shared-style.css
   This file contains ONLY styles unique to this course.
*/

/* === Course Components === */
.checkpoint {
  background: rgba(63,185,80,0.1); border: 1px solid rgba(63,185,80,0.3);
  border-radius: 8px; padding: 0.75rem 1rem; margin-top: 1rem;
  font-size: 0.9rem; color: var(--green);
}
.tip {
  background: rgba(88,166,255,0.08); border: 1px solid rgba(88,166,255,0.2);
  border-radius: 8px; padding: 0.75rem 1rem; margin: 1rem 0;
  font-size: 0.9rem; color: var(--accent);
}
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  padding: 1.5rem; margin-bottom: 1rem; transition: transform 0.2s;
}
.card:hover { transform: translateY(-2px); }
.glossary {
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  padding: 1.5rem; margin: 2rem 0;
}
.glossary dt { font-weight: 700; color: var(--accent); margin-top: 0.75rem; }
.glossary dt:first-child { margin-top: 0; }
.glossary dd { color: var(--muted); font-size: 0.9rem; margin-left: 0; }
.celebration {
  text-align: center; padding: 2rem; background: var(--surface);
  border: 1px solid var(--green); border-radius: 12px; margin: 2rem 0;
}
.celebration h2 { color: var(--green); margin-bottom: 0.5rem; }
.btn {
  display: inline-block; background: var(--accent); color: var(--bg); padding: 0.75rem 2rem;
  border-radius: 8px; font-weight: 700; font-size: 1rem; border: none; cursor: pointer;
  text-decoration: none;
}
.btn:hover { opacity: 0.9; text-decoration: none; }
.back-link { display: inline-block; margin-bottom: 1rem; color: var(--muted); font-size: 0.85rem; }

/* === Module Header === */
.module-header {
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
  padding: 1.5rem; margin-bottom: 2rem; position: relative; overflow: hidden;
}
.module-header::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--green), var(--orange), var(--purple));
}
.module-header .module-id {
  font-size: 2.5rem; font-weight: 900; color: var(--accent); opacity: .15;
  position: absolute; top: .5rem; right: 1.25rem; line-height: 1; pointer-events: none;
}
.module-header h1 { font-size: 1.6rem; margin: .25rem 0 .5rem; }
.module-header .meta-row {
  display: flex; gap: .5rem; align-items: center; flex-wrap: wrap;
  font-size: .8rem; color: var(--muted); margin-bottom: .25rem;
}
.module-header .meta-pill {
  display: inline-flex; align-items: center; gap: .25rem;
  padding: .2rem .6rem; border-radius: 20px; font-size: .75rem; font-weight: 600;
}
.module-header .meta-pill.track { background: rgba(88,166,255,.1); color: var(--accent); }
.module-header .meta-pill.level { background: rgba(63,185,80,.1); color: var(--green); }
.module-header .meta-pill.level-adv { background: rgba(210,153,34,.1); color: var(--orange); }
.module-header .meta-pill.time { background: rgba(137,87,229,.1); color: var(--purple); }
.module-header .subtitle { color: var(--muted); font-size: .9rem; margin: .5rem 0 0; line-height: 1.5; }
.module-header .goal-row {
  margin-top: 1rem; padding-top: .75rem; border-top: 1px solid var(--border);
  font-size: .85rem; color: var(--muted); line-height: 1.5;
}
.module-header .goal-row strong { color: var(--text); }

/* === Navigation === */
.nav-footer { display: flex; justify-content: space-between; margin: 2rem 0; flex-wrap: wrap; gap: 1rem; }
.breadcrumb { font-size: .78rem; color: var(--muted); margin-bottom: .5rem; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--accent); }

/* === Focus (Accessibility) === */
a:focus-visible, button:focus-visible, .btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}
/* Skip link */
.skip-link {
  position: absolute; top: -100px; left: 1rem; z-index: 200;
  background: var(--accent); color: var(--bg); padding: 0.5rem 1rem;
  border-radius: 0 0 8px 8px; font-weight: 700; text-decoration: none;
  transition: top 0.2s;
}
.skip-link:focus { top: 0; }
/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}
/* Visually hidden (screen reader only) */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
/* Progress bar (behavioral) */
.progress-bar {
  position: fixed; top: 0; left: 0; width: 100%; height: 4px; z-index: 99;
  background: var(--border);
}

/* === Progress Bar === */
.progress-bar { position: fixed; top: 0; left: 0; width: 100%; height: 4px; z-index: 99; background: var(--border); }
.progress-fill { height: 100%; background: var(--accent); transition: width 0.3s; border-radius: 0 2px 2px 0; }

/* === Tables === */
table { width: 100%; max-width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: 0.85rem; table-layout: fixed; word-wrap: break-word; }
th, td { padding: 0.6rem 0.75rem; text-align: left; border: 1px solid var(--border); }
th { background: var(--surface); color: var(--accent); font-weight: 700; font-size: 0.8rem; white-space: nowrap; }
td { color: var(--muted); }
td:first-child { color: var(--text); font-weight: 600; }
tr:hover td { background: rgba(88,166,255,0.03); }

/* === Source Citation === */
.source { font-size: 0.78rem; color: var(--muted); background: var(--surface); border-radius: 6px; padding: 0.5rem 0.75rem; margin: 0.75rem 0; border-left: 2px solid #a78bfa; }
.source a { color: #a78bfa; }

/* === Comparison Cards === */
.comparison { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 1.5rem 0; }
.compare-card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 1.25rem; }
.compare-card.bad { border-color: rgba(248,81,73,0.4); }
.compare-card.good { border-color: rgba(63,185,80,0.4); }
.compare-card h4 { font-size: 0.9rem; margin-bottom: 0.5rem; }
.compare-card p, .compare-card ul { font-size: 0.85rem; color: var(--muted); margin: 0; }
.compare-card ul { padding-left: 1.25rem; }

/* === Troubleshooting === */
.troubleshooting { background: rgba(210,153,34,0.08); border: 1px solid rgba(210,153,34,0.2); border-radius: 8px; padding: 1rem 1.25rem; margin: 1rem 0; font-size: 0.85rem; }
.troubleshooting strong { color: var(--orange); }
.troubleshooting p { color: var(--muted); margin: 0.3rem 0; }

/* === Glossary Widget === */
.glossary-toggle { position: fixed; bottom: 1.5rem; right: 1.5rem; background: var(--surface); border: 1px solid var(--border); color: var(--text); padding: 0.6rem 1rem; border-radius: 20px; cursor: pointer; font-size: 0.8rem; font-weight: 700; z-index: 100; transition: all 0.2s; }
.glossary-toggle:hover { border-color: var(--accent); color: var(--accent); }
.glossary-panel { display: none; position: fixed; bottom: 4rem; right: 1.5rem; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 1.25rem; width: 280px; max-height: 400px; overflow-y: auto; z-index: 100; box-shadow: 0 8px 32px rgba(0,0,0,0.4); }
.glossary-panel.open { display: block; }
.glossary-panel h3 { font-size: 0.9rem; margin: 0 0 0.75rem; color: var(--accent); }
.glossary-panel dt { font-weight: 700; font-size: 0.85rem; color: var(--text); margin-top: 0.5rem; }
.glossary-panel dd { font-size: 0.8rem; color: var(--muted); margin: 0.15rem 0 0.5rem 0; line-height: 1.4; }

/* === Responsive (course-specific) === */
@media (max-width: 600px) {
  .comparison { grid-template-columns: 1fr; }
  .glossary-panel { width: calc(100vw - 3rem); right: 1.5rem; }
  table { font-size: 0.75rem; }
  th, td { padding: 0.4rem 0.5rem; }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* Fußzeile mittig wie der Inhalt (09.11.2026) */
footer[role="contentinfo"] { text-align: center; padding: 0 1rem; margin-top: 2rem; }