:root {
  --paper: #ffffff;
  --ink: #121316;
  --muted: #6b6f76;
  --line: #e3e4e7;
  --card: #f6f7f8;
  --accent: #2a4cff;
  --accent-ink: #ffffff;
  --accent-soft: #e8ecff;
  --danger: #b3261e;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0a0b0d;
    --ink: #edeef0;
    --muted: #90949c;
    --line: #26282d;
    --card: #17181b;
    --accent: #6b87ff;
    --accent-ink: #0a0b0d;
    --accent-soft: #1b2140;
    --danger: #ff7a6e;
  }
}
:root[data-theme="dark"] {
  --paper: #0a0b0d;
  --ink: #edeef0;
  --muted: #90949c;
  --line: #26282d;
  --card: #17181b;
  --accent: #6b87ff;
  --accent-ink: #0a0b0d;
  --accent-soft: #1b2140;
  --danger: #ff7a6e;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Archivo", "Segoe UI", system-ui, sans-serif;
  line-height: 1.55;
}
h1, h2, h3, .display {
  font-family: "Archivo", system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-wrap: balance;
  margin: 0 0 12px;
}
.mono {
  font-family: "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;
}
a { color: var(--accent); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}
button { font-family: inherit; }

/* ----------------------------------------------------------
   App-Shell
   ---------------------------------------------------------- */
.app-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
  max-width: 1040px; margin: 0 auto; padding: 24px 20px 8px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-icon { width: 40px; height: 40px; color: var(--accent); flex-shrink: 0; }
.brand h1 { font-size: 20px; margin: 0; }
.brand-sub { margin: 2px 0 0; font-size: 13px; color: var(--muted); }
.header-actions { display: flex; gap: 10px; align-items: center; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 10px 18px; border-radius: 3px;
  font-size: 14px; font-weight: 600; font-family: inherit;
  border: 1px solid transparent; cursor: pointer; text-decoration: none;
  background: transparent; color: var(--ink);
}
.btn-accent { background: var(--accent); color: var(--accent-ink); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-small { padding: 7px 12px; font-size: 12.5px; }

/* ----------------------------------------------------------
   Startseite: Suche + Filter
   ---------------------------------------------------------- */
.toolbar {
  max-width: 1040px; margin: 0 auto; padding: 16px 20px 4px;
  display: flex; flex-wrap: wrap; gap: 12px; align-items: center;
}
.search-field {
  flex: 1 1 260px; position: relative;
}
.search-field input {
  width: 100%; padding: 11px 14px 11px 38px; border-radius: 3px;
  border: 1px solid var(--line); background: var(--card); color: var(--ink);
  font-size: 15px; font-family: inherit;
}
.search-field svg {
  position: absolute; left: 11px; top: 50%; transform: translateY(-50%);
  width: 17px; height: 17px; color: var(--muted); pointer-events: none;
}
.category-filters {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.chip {
  font-family: "IBM Plex Mono", monospace; font-size: 12px; letter-spacing: 0.02em;
  padding: 7px 13px; border-radius: 20px; border: 1px solid var(--line);
  background: var(--card); color: var(--muted); cursor: pointer;
}
.chip:hover { color: var(--ink); border-color: var(--accent); }
.chip.is-active { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

.result-count { max-width: 1040px; margin: 0 auto; padding: 4px 20px 0; font-size: 13px; color: var(--muted); }

/* ----------------------------------------------------------
   Karten-Grid
   ---------------------------------------------------------- */
.guide-grid {
  max-width: 1040px; margin: 0 auto; padding: 18px 20px 60px;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.guide-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 6px;
  padding: 20px; text-decoration: none; color: var(--ink);
  display: flex; flex-direction: column; gap: 10px; cursor: pointer;
  transition: border-color 0.15s ease;
}
.guide-card:hover { border-color: var(--accent); }
.guide-card-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; }
.guide-card h2 { font-size: 17px; margin: 0; }
.badge {
  display: inline-block; font-family: "IBM Plex Mono", monospace;
  font-size: 10px; font-weight: 500; letter-spacing: 0.04em;
  text-transform: uppercase; padding: 3px 8px; border-radius: 2px;
  background: var(--accent-soft); color: var(--accent); width: fit-content;
  white-space: nowrap;
}
.guide-card .meta { font-size: 12.5px; color: var(--muted); font-family: "IBM Plex Mono", monospace; }
.guide-card .tools-preview { font-size: 13px; color: var(--muted); margin: 0; }
.done-check {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11.5px; font-family: "IBM Plex Mono", monospace;
  color: var(--accent); font-weight: 600;
}
.done-check svg { width: 14px; height: 14px; }
.empty-note { color: var(--muted); font-size: 14px; padding: 40px 20px; text-align: center; }

/* ----------------------------------------------------------
   Detail-Ansicht
   ---------------------------------------------------------- */
.detail-wrap { max-width: 780px; margin: 0 auto; padding: 8px 20px 80px; }
.back-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13.5px; color: var(--muted); text-decoration: none; margin-bottom: 18px;
}
.back-link:hover { color: var(--accent); }
.detail-head { margin-bottom: 8px; }
.detail-head h1 { font-size: 26px; margin-bottom: 8px; }
.detail-meta-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 18px; }
.detail-meta-row .meta { font-size: 13px; color: var(--muted); font-family: "IBM Plex Mono", monospace; }

.tools-box {
  background: var(--card); border: 1px solid var(--line); border-radius: 6px;
  padding: 18px 20px; margin-bottom: 20px;
}
.tools-box h3 {
  font-family: "IBM Plex Mono", monospace; font-size: 11.5px; font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px;
}
.tools-box ul { margin: 0; padding-left: 20px; font-size: 14.5px; }
.tools-box li { margin-bottom: 4px; }

.safety-box {
  display: flex; gap: 12px; align-items: flex-start;
  background: var(--accent-soft); border: 1px solid var(--accent);
  border-radius: 6px; padding: 16px 18px; margin-bottom: 24px;
}
.safety-box svg { width: 22px; height: 22px; color: var(--accent); flex-shrink: 0; margin-top: 1px; }
.safety-box .label {
  font-family: "IBM Plex Mono", monospace; font-size: 11px; font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); margin-bottom: 4px;
}
.safety-box p { margin: 0; font-size: 14px; }

.mark-done-row { margin: 24px 0 32px; }
.mark-done-row .btn { width: 100%; justify-content: center; padding: 13px; }
.mark-done-row .btn.is-done { background: var(--accent-soft); color: var(--accent); border: 1px solid var(--accent); }

.steps-list { display: flex; flex-direction: column; gap: 28px; }
.step-item {
  display: grid; grid-template-columns: 200px 1fr; gap: 20px; align-items: start;
}
.step-illustration { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.step-illustration svg { width: 100%; height: auto; max-width: 200px; }
.step-number {
  font-family: "IBM Plex Mono", monospace; font-weight: 700; font-size: 13px;
  color: var(--accent); background: var(--accent-soft);
  width: 26px; height: 26px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.step-body h3 { font-size: 16px; display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.step-body p { font-size: 15px; margin: 0; }

@media (max-width: 560px) {
  .step-item { grid-template-columns: 1fr; }
  .step-illustration svg { max-width: 160px; }
}

.footer-note {
  max-width: 1040px; margin: 0 auto; padding: 0 20px 40px;
  font-size: 12.5px; color: var(--muted); text-align: center;
}