/* ============================================================
   IMPACT-SEITE — seitenspezifische Styles (impact.html)
   Baut ausschließlich auf den Design-Tokens aus style.css auf.
   Rein additiv, gescopt; keine Auswirkungen auf andere Seiten.
   Gliederung nach SDG-Wirkungsfeldern, bewusst luftig.
   ============================================================ */

/* ---- Demo-Badge & Steuerung ---- */
.demo-badge {
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .35rem .8rem; border-radius: 999px;
  background: var(--amber-soft); border: 1px solid var(--amber);
  color: var(--amber-deep); font-size: .8rem; font-weight: 600;
}
.demo-badge::before { content: ""; width: .5rem; height: .5rem; border-radius: 50%; background: var(--amber); }

.impact-controls { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; margin-top: 1.4rem; }
.filter-group { display: inline-flex; gap: .4rem; padding: .3rem; background: var(--bg-soft); border-radius: 999px; }
.filter-chip {
  border: 0; background: transparent; cursor: pointer; font: inherit;
  padding: .45rem 1.1rem; border-radius: 999px; font-size: .9rem; font-weight: 600; color: var(--text-muted);
  transition: background .18s ease, color .18s ease;
}
.filter-chip[aria-pressed="true"] { background: var(--surface); color: var(--teal-deep); box-shadow: var(--shadow-sm); }
.filter-chip:focus-visible { outline: 3px solid var(--teal-100); outline-offset: 2px; }
.wf-status { font-size: .85rem; color: var(--text-dim); margin-top: 1rem; }

/* ---- Theory of Change (IOOI-Kette) ---- */
.toc-chain { list-style: none; padding: 0; margin: 2.5rem 0 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: .6rem; counter-reset: toc; }
.toc-step { position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 1.15rem 1rem; box-shadow: var(--shadow-sm); }
.toc-step::before { counter-increment: toc; content: counter(toc); position: absolute; top: -0.7rem; left: 1rem; width: 1.5rem; height: 1.5rem; border-radius: 50%; background: var(--teal); color: #fff; font-size: .75rem; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.toc-step h3 { font-size: .95rem; margin: .2rem 0 .35rem; color: var(--teal-deep); }
.toc-step p { font-size: .84rem; color: var(--text-muted); line-height: 1.5; }
.toc-step:not(:last-child)::after { content: "→"; position: absolute; right: -0.72rem; top: 50%; transform: translateY(-50%); color: var(--teal); font-weight: 700; z-index: 2; }

/* ============================================================
   Wirkungsfelder nach SDG — der luftige Kern
   ============================================================ */
.wf-field { --sdg: var(--teal); margin-top: 3rem; }
.wf-field:first-child { margin-top: 1.5rem; }

.wf-field-head {
  display: grid; grid-template-columns: auto 1fr; gap: 1.2rem; align-items: start;
  padding-bottom: 1.4rem; margin-bottom: 1.6rem;
  border-bottom: 2px solid color-mix(in srgb, var(--sdg) 30%, transparent);
}
.wf-sdg-tile {
  width: 3.4rem; height: 3.4rem; border-radius: 12px; background: var(--sdg);
  color: #fff; font-weight: 800; font-size: 1.35rem;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.wf-field-eyebrow { display: block; font-size: .78rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; color: var(--sdg); margin-bottom: .2rem; }
.wf-field-head h3 { font-size: clamp(1.25rem, 2.4vw, 1.6rem); margin-bottom: .4rem; }
.wf-sdg-badges { display: inline-flex; gap: .35rem; flex-wrap: wrap; margin-bottom: .6rem; }
.wf-sdg-mini { font-size: .66rem; font-weight: 700; letter-spacing: .03em; color: #fff; padding: .18rem .5rem; border-radius: 5px; }
.wf-field-head p { color: var(--text-muted); max-width: 68ch; line-height: 1.6; }

.wf-kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.1rem; }

.wf-kpi { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); box-shadow: var(--shadow-sm); }
.wf-kpi details { border: 0; }
.wf-kpi summary { list-style: none; cursor: pointer; padding: 1.3rem 1.3rem 1.2rem; display: block; }
.wf-kpi summary::-webkit-details-marker { display: none; }
.wf-kpi summary:focus-visible { outline: 3px solid var(--teal-100); outline-offset: -3px; border-radius: var(--radius-sm); }
.wf-kpi-top { display: flex; align-items: baseline; gap: .4rem; }
.wf-num { font-size: 2.3rem; font-weight: 800; line-height: 1; color: var(--text); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.wf-einheit { font-size: .8rem; color: var(--text-dim); font-weight: 600; }
.wf-ampel { width: .6rem; height: .6rem; border-radius: 50%; margin-left: auto; align-self: center; }
.wf-ampel.gruen { background: var(--success); }
.wf-ampel.gelb  { background: var(--amber); }
.wf-ampel.rot   { background: var(--danger); }
.wf-kpi-name { display: block; font-size: .95rem; font-weight: 600; color: var(--text); margin-top: .7rem; }
.wf-kpi-ziel { display: block; font-size: .78rem; color: var(--text-muted); margin-top: .35rem; }
.wf-progress { display: block; height: 4px; border-radius: 999px; background: var(--bg-soft); margin-top: .6rem; overflow: hidden; }
.wf-progress > span { display: block; height: 100%; border-radius: 999px; background: var(--sdg, var(--teal)); }
.wf-more { display: inline-block; font-size: .78rem; color: var(--teal-deep); font-weight: 600; margin-top: .7rem; }
.wf-kpi details[open] .wf-more .o { display: none; }
.wf-kpi details:not([open]) .wf-more .c { display: none; }
.wf-detail { padding: 0 1.3rem 1.3rem; }
.wf-detail dl { margin: .4rem 0 0; border-top: 1px solid var(--border); padding-top: .6rem; }
.wf-detail dt { font-size: .72rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--teal-deep); margin-top: .7rem; }
.wf-detail dd { margin: .15rem 0 0; font-size: .85rem; color: var(--text-muted); line-height: 1.5; }

.wf-field .wf-kpi { border-top: 3px solid var(--sdg); }

.sdg-note { margin-top: 2.5rem; font-size: .88rem; color: var(--text-muted); }
.sdg-note a { color: var(--teal-deep); text-decoration: underline; }

/* ---- Wirkungsgrafik (SVG-Balken) ---- */
.impact-chart { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 1.6rem; }
.impact-chart svg { width: 100%; height: auto; display: block; }
.impact-chart .bar { fill: var(--teal); }
.impact-chart .bar-label { fill: var(--text-muted); font-size: 13px; font-family: var(--font); }
.impact-chart .bar-value { fill: var(--text); font-size: 14px; font-weight: 700; font-family: var(--font); }
.impact-chart figcaption { margin-top: 1rem; font-size: .85rem; color: var(--text-muted); }

/* ---- Report & Methodik ---- */
.report-box { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.2rem; padding-top: 1.4rem; border-top: 1px solid var(--border); }
.apa-list { list-style: none; padding: 0; margin: 1.2rem 0 0; }
.apa-list li { font-size: .88rem; color: var(--text-muted); line-height: 1.55; padding: .6rem 0; border-top: 1px solid var(--border); padding-left: 1.5rem; text-indent: -1.5rem; }
.apa-list li:first-child { border-top: 0; }

/* ---- Responsive ---- */
@media (max-width: 980px) {
  .wf-kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .toc-chain { grid-template-columns: 1fr; gap: 1.3rem; }
  .toc-step:not(:last-child)::after { content: "↓"; right: auto; left: 50%; top: auto; bottom: -1.25rem; transform: translateX(-50%); }
}
@media (max-width: 620px) {
  .wf-kpi-grid { grid-template-columns: 1fr; }
  .wf-field-head { grid-template-columns: 1fr; gap: .8rem; }
}

/* ---- Reduced Motion ---- */
@media (prefers-reduced-motion: reduce) { .filter-chip { transition: none; } }

/* ============================================================
   Dark-Mode-Kompatibilität — nur auf body.impact-page gescopt
   ============================================================ */
@media (prefers-color-scheme: dark) {
  body.impact-page {
    --bg:            #0c2b31;
    --bg-soft:       #103138;
    --surface:       #123a42;
    --border:        #1f4d56;
    --border-strong: #2a5a64;
    --text:          #eaf4f5;
    --text-muted:    #9fc0c5;
    --text-dim:      #8fb3b9;
    --teal-soft:     #12414a;
    --teal-100:      #175059;
    --teal-deep:     #7bd2de;
    --amber-soft:    #35300f;
    --amber-deep:    #f2c063;
    --success:       #4ecf9d;
    --danger:        #ff8aa8;
    --shadow-sm:     0 1px 2px rgba(0,0,0,.25), 0 2px 8px rgba(0,0,0,.25);
    --shadow:        0 2px 6px rgba(0,0,0,.3), 0 18px 40px -18px rgba(0,0,0,.5);
  }
}