:root {
  --bg: #f4f7f9;
  --panel: #ffffff;
  --ink: #17242d;
  --muted: #667783;
  --line: #d8e1e6;
  --accent: #116b73;
  --accent-soft: #e7f4f4;
  --accent-2: #8a5b18;
  --warn-soft: #fff5df;
  --ok: #1f6b45;
  --ok-soft: #e8f5ed;
  --locked: #8c99a1;
  --shadow: 0 12px 30px rgba(23, 36, 45, 0.08);
}
* { box-sizing: border-box; }
html { color-scheme: light; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
}
button { font: inherit; }
.wrap { width: min(1180px, calc(100% - 32px)); margin-inline: auto; }
.hero {
  background: linear-gradient(135deg, #0f5961, #163a51);
  color: #fff;
  padding: 34px 0 30px;
}
.hero-inner { display: flex; justify-content: space-between; align-items: end; gap: 24px; }
.eyebrow, .kicker { margin: 0 0 6px; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; font-size: .74rem; }
.hero h1 { margin: 0; font-size: clamp(2rem, 4vw, 3rem); line-height: 1.05; }
.subtitle { margin: 10px 0 0; opacity: .88; max-width: 760px; }
.version-badge { padding: 9px 13px; border: 1px solid rgba(255,255,255,.32); border-radius: 999px; background: rgba(255,255,255,.1); white-space: nowrap; }
.layout {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(300px, .8fr);
  gap: 20px;
  padding: 24px 0 38px;
}
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); padding: 22px; }
.intro, .validator-card { grid-column: 1 / -1; }
.tree-card { min-height: 460px; }
.journal-card { grid-column: 1 / -1; }
.section-head { display: flex; justify-content: space-between; align-items: start; gap: 16px; }
h2 { margin: 0; font-size: 1.35rem; }
h3 { margin: 0 0 12px; font-size: 1rem; }
.muted { color: var(--muted); }
.small { font-size: .84rem; }
.mode-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-top: 16px; }
.label { color: var(--muted); font-size: .86rem; margin-right: 4px; }
.pill { background: #eef2f4; color: #56656e; border-radius: 999px; padding: 6px 10px; font-size: .82rem; font-weight: 700; }
.pill.active { background: var(--accent-soft); color: var(--accent); }
.mode-switch{border:1px solid var(--line);background:#fff;color:#56656e;border-radius:999px;padding:6px 11px;font-size:.82rem;font-weight:800;cursor:pointer}
.mode-switch:hover{border-color:#8bbdc0;background:#fbfefe}
.mode-switch.active{background:var(--accent);border-color:var(--accent);color:#fff}
.expert-mode .hint{min-height:0}
.expert-mode .detail-card .hint:empty{display:none}
.expert-mode .guidance-box.expert-compact p{margin-bottom:0}

.ghost { border: 1px solid var(--line); background: #fff; color: var(--ink); border-radius: 10px; padding: 8px 11px; cursor: pointer; }
.ghost:hover { border-color: #aebcc4; background: #f8fafb; }
.sample-tree { padding-top: 12px; }
.tree-node { position: relative; margin-left: 0; }
.tree-children { margin-left: 28px; padding-left: 20px; border-left: 2px solid #dfe7eb; }
.node-row { position: relative; display: flex; align-items: center; gap: 10px; margin: 10px 0; }
.tree-children > .tree-node > .node-row::before { content: ""; position: absolute; width: 19px; border-top: 2px solid #dfe7eb; left: -20px; top: 50%; }
.sample-btn { width: 100%; text-align: left; border: 1px solid var(--line); background: #fff; border-radius: 12px; padding: 12px 14px; cursor: pointer; display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.sample-btn:hover:not(:disabled) { border-color: #8bbdc0; background: #fbfefe; }
.sample-btn.selected { outline: 3px solid rgba(17,107,115,.13); border-color: var(--accent); }
.sample-btn.locked { opacity: .48; cursor: not-allowed; background: #f6f7f8; }
.sample-name { font-weight: 800; }
.sample-id { font-size: .76rem; color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.state-dot { width: 10px; height: 10px; flex: 0 0 10px; border-radius: 50%; background: var(--ok); }
.state-dot.locked { background: var(--locked); }
.meta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 12px; margin-top: 16px; }
.meta-item { padding: 10px; background: #f6f8f9; border-radius: 10px; }
.meta-item b { display: block; font-size: .75rem; text-transform: uppercase; color: var(--muted); margin-bottom: 3px; }
.divider { height: 1px; background: var(--line); margin: 20px 0; }
.actions { display: grid; gap: 10px; }
.action-btn { border: 0; border-radius: 11px; padding: 12px 13px; cursor: pointer; text-align: left; font-weight: 800; background: var(--accent); color: #fff; }
.action-btn.secondary { background: #edf2f4; color: #485a65; }
.action-btn:disabled { opacity: .48; cursor: not-allowed; }
.hint { color: var(--muted); font-size: .88rem; line-height: 1.5; min-height: 2.5em; }
.journal { display: grid; gap: 10px; }
.journal-entry { border-left: 4px solid var(--accent); background: #f7fbfb; border-radius: 0 10px 10px 0; padding: 11px 13px; }
.journal-entry time { font-size: .76rem; color: var(--muted); margin-left: 8px; }
.empty { color: var(--muted); font-style: italic; }
.validator-summary { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
.status { border-radius: 999px; padding: 7px 11px; font-size: .82rem; font-weight: 800; }
.status.ok { background: var(--ok-soft); color: var(--ok); }
.status.warn { background: var(--warn-soft); color: var(--accent-2); }
.diag { margin: 16px 0 0; padding: 14px; background: #142027; color: #d9e5ea; border-radius: 12px; white-space: pre-wrap; overflow: auto; max-height: 300px; font-size: .8rem; }
.hidden { display: none; }
.footer { color: var(--muted); font-size: .85rem; padding: 0 0 30px; }
@media (max-width: 820px) {
  .layout { grid-template-columns: 1fr; }
  .intro, .validator-card, .journal-card { grid-column: auto; }
  .hero-inner { align-items: start; flex-direction: column; }
  .section-head { flex-direction: column; }
}

.journal-tag { display: inline-block; margin-right: 8px; padding: 2px 7px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); font-size: .72rem; font-weight: 800; letter-spacing: .04em; }

.guidance-box{margin-top:16px;padding:13px 14px;border:1px solid #b8d9d9;border-radius:12px;background:#f1f9f9;color:var(--ink)}
.guidance-box strong{display:block;margin-bottom:6px;color:var(--accent)}
.guidance-box p{margin:0 0 8px;color:var(--muted);font-size:.88rem;line-height:1.45}
.guidance-box ol{margin:0;padding-left:20px;font-size:.88rem;line-height:1.5}
.guidance-box li+li{margin-top:5px}

.guidance-box.real-experiment{border-color:#d7c18a;background:#fff9e9}
.guidance-box.real-experiment strong{color:#7c5a13}


/* v0.8 · GC-Peak → STRUKTUR-LAB */
.gc-guidance{border-color:#b5cfdb;background:#f3f8fb}
.gc-peak-list{display:grid;gap:8px;margin-top:10px}
.gc-peak-row{display:grid;grid-template-columns:minmax(120px,.8fr) minmax(120px,.8fr) minmax(180px,1.2fr);gap:10px;align-items:center;padding:10px;border:1px solid #d6e3e9;border-radius:10px;background:#fff}
.gc-peak-row>div:first-child{display:grid;gap:2px}.gc-peak-row>div:first-child span{font-size:.8rem;color:var(--muted)}
.peak-status{justify-self:start;border-radius:999px;padding:5px 8px;background:#eef2f4;color:#56656e;font-size:.78rem;font-weight:800}
.peak-status.supported{background:var(--ok-soft);color:var(--ok)}
.peak-structure-btn{border:0;border-radius:9px;padding:9px 10px;background:var(--accent);color:#fff;font-weight:800;cursor:pointer}
.peak-next{font-size:.82rem;color:var(--muted);line-height:1.35}
@media(max-width:700px){.gc-peak-row{grid-template-columns:1fr}}

.peak-status.confirmed{background:#dff4e8;color:#155f3b}
.peak-confirm-btn{border:0;border-radius:9px;padding:9px 10px;background:#8a5b18;color:#fff;font-weight:800;cursor:pointer}
.confirmed-text{color:#1f6b45;font-weight:700}

.peak-status.known{background:#eee7fb;color:#6542a5}
.peak-known-confirm-btn{border:0;border-radius:9px;padding:9px 10px;background:#6f4aa8;color:#fff;font-weight:800;cursor:pointer}
.mixture-warning{margin:9px 0 11px;padding:10px 12px;border:1px solid #e4bd73;border-radius:10px;background:#fff7e7;color:#69490e}
.mixture-warning p{margin:.35rem 0 0;color:#765a27}
.mixture-locked{color:#8a6b2e}


/* v0.10 · organische Feststoff-Voranalyse */
.organic-screening{border-color:#cbb5dd;background:#faf6fd}
.organic-screening>strong{color:#67427f}
.organic-screening ul{margin:8px 0 10px;padding-left:20px;font-size:.88rem;line-height:1.5}
.organic-screening li+li{margin-top:5px}
.organic-screening li strong{display:inline;color:#49305b}
.screening-next{margin-top:10px!important;padding-top:9px;border-top:1px solid #e2d7e9}

.solid-structure-btn{margin-top:9px;border:0;border-radius:9px;padding:9px 11px;background:#67427f;color:#fff;font-weight:800;cursor:pointer}
.solid-structure-state{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:10px;padding-top:9px;border-top:1px solid #e2d7e9}

.solid-melting-btn{border:0;border-radius:9px;padding:9px 11px;background:#176b54;color:#fff;font-weight:800;cursor:pointer}

.solid-quant-btn{border:0;border-radius:9px;padding:9px 11px;background:#1f6b45;color:#fff;font-weight:800;cursor:pointer}
.quant-result{font-weight:850;color:#1f6b45;background:#e8f5ed;border-radius:9px;padding:7px 9px}
.quant-complete{align-items:center}


/* v0.14 · Fallabschluss */
.case-head-actions{display:flex;gap:9px;align-items:center;flex-wrap:wrap}
.summary-open-btn{border:0;border-radius:10px;padding:9px 12px;background:var(--ok);color:#fff;font-weight:850;cursor:pointer}
.summary-open-btn:disabled{opacity:.42;cursor:not-allowed}
.case-summary{padding:24px 0 42px;display:grid;gap:18px}
.case-summary.hidden{display:none}
.summary-hero{background:linear-gradient(135deg,#103f46,#174f5c 58%,#205a4a);color:#fff;border-radius:22px;padding:26px;box-shadow:var(--shadow);display:flex;justify-content:space-between;gap:22px;align-items:flex-start}
.summary-hero h2{font-size:clamp(1.8rem,3.2vw,2.5rem);margin:0}.summary-lead{max-width:760px;margin:.7rem 0 0;color:#d9eaeb;line-height:1.55}
.summary-hero-actions{display:grid;justify-items:end;gap:10px}
.summary-status-badge{display:inline-flex;border:1px solid rgba(255,255,255,.34);background:rgba(255,255,255,.12);padding:7px 11px;border-radius:999px;font-size:.8rem;font-weight:850;white-space:nowrap}
.summary-back-btn{border:1px solid rgba(255,255,255,.35);background:#fff;color:#173f46;border-radius:10px;padding:9px 11px;font-weight:800;cursor:pointer}
.summary-export-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.summary-export-btn{border:1px solid rgba(255,255,255,.38);background:rgba(255,255,255,.12);color:#fff;border-radius:10px;padding:8px 10px;font-weight:800;cursor:pointer}
.summary-export-btn:hover{background:rgba(255,255,255,.2)}

.summary-section{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:22px}
.summary-section-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:15px}.summary-section-head h3{font-size:1.2rem;margin:0}.summary-completion{font-size:.82rem;font-weight:850;border-radius:999px;background:var(--ok-soft);color:var(--ok);padding:6px 10px}
.summary-routes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.route-card{border:1px solid var(--line);border-radius:14px;padding:14px;background:#fafcfd}
.route-card.inorganic{border-top:4px solid #3979a8}.route-card.volatile{border-top:4px solid #0d7d83}.route-card.solid{border-top:4px solid #754e87}
.route-title-row{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;margin-bottom:10px}
.route-title-row h4{margin:0;font-size:1rem}
.branch-status{display:inline-flex;border-radius:999px;padding:4px 7px;font-size:.7rem;font-weight:850;white-space:nowrap;background:#eef2f4;color:#64747d}
.branch-status.done{background:var(--ok-soft);color:var(--ok)}
.branch-status.active{background:#fff3d9;color:#7a5815}
.branch-status.pending{background:#eef2f4;color:#6c7b83}
.route-steps{display:grid;gap:7px}.route-step{display:grid;grid-template-columns:22px 1fr;gap:8px;align-items:start;font-size:.84rem;line-height:1.35;color:#435660}
.route-step i{display:grid;place-items:center;width:20px;height:20px;border-radius:50%;font-style:normal;font-size:.72rem;font-weight:900;background:#edf2f4;color:#61717a}.route-step.done i{background:var(--ok-soft);color:var(--ok)}
.summary-components{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.component-card{border:1px solid var(--line);border-radius:14px;padding:14px;background:#fff;position:relative;overflow:hidden}.component-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:#8aa2ad}.component-card.inorganic::before{background:#3979a8}.component-card.volatile::before{background:#0d7d83}.component-card.solid::before{background:#754e87}
.component-name{font-size:1.05rem;font-weight:900}.component-formula{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--muted);font-size:.82rem;margin-top:2px}.component-status{display:inline-flex;margin-top:10px;border-radius:999px;padding:5px 8px;background:var(--ok-soft);color:var(--ok);font-size:.75rem;font-weight:850}.component-note{margin-top:9px;color:var(--muted);font-size:.82rem;line-height:1.4}
.component-reference{display:inline-flex;margin-top:11px;font-size:.79rem;font-weight:800;color:var(--accent);text-decoration:none;border-bottom:1px solid rgba(17,107,115,.28)}
.component-reference:hover{border-bottom-color:var(--accent)}
.summary-empty{grid-column:1/-1;padding:13px 14px;border:1px dashed #c9d5da;border-radius:12px;background:#fafcfd;color:var(--muted);font-size:.84rem;line-height:1.45}
.summary-evidence{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.evidence-card{border:1px solid var(--line);border-radius:14px;padding:15px;background:#fbfcfd}.evidence-card h4{margin:0 0 8px;font-size:1rem}.evidence-chain{display:flex;flex-wrap:wrap;gap:6px;align-items:center}.evidence-chip{border-radius:999px;padding:6px 8px;background:#eef4f5;color:#3d5b64;font-size:.75rem;font-weight:760}.evidence-arrow{color:#9bacb4;font-size:.9rem}.evidence-verdict{margin-top:10px;font-size:.82rem;color:var(--ok);font-weight:800}
.summary-quant{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.quant-card{border:1px solid var(--line);border-radius:14px;padding:15px;background:#fbfcfd}.quant-card h4{margin:0 0 10px}.quant-main{font-size:1.45rem;font-weight:900;color:#174d3a}.quant-sub{display:grid;gap:4px;margin-top:8px;color:var(--muted);font-size:.82rem}.quant-pending{background:var(--warn-soft);color:#775515;border-radius:9px;padding:9px 10px;font-size:.82rem;line-height:1.4}
.summary-assessment{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.assessment-metric{border-radius:13px;padding:13px;background:#f4f8f8;border:1px solid #d7e4e5}.assessment-metric strong{display:block;font-size:1.35rem;color:#174d3a}.assessment-metric span{display:block;margin-top:3px;color:var(--muted);font-size:.78rem}
.summary-report{margin-top:15px;padding:15px 16px;border-radius:13px;background:#f7fafb;border-left:4px solid var(--accent)}.summary-report h4{margin:0 0 7px}.summary-report p{margin:0;color:#455b65;line-height:1.55}
@media(max-width:980px){.summary-routes{grid-template-columns:1fr}.summary-components{grid-template-columns:repeat(2,1fr)}.summary-evidence,.summary-quant{grid-template-columns:1fr}.summary-assessment{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.summary-hero,.summary-section-head{flex-direction:column}.summary-hero-actions{justify-items:start}.summary-components,.summary-assessment{grid-template-columns:1fr}.case-head-actions{width:100%}}

.summary-missing{margin-top:10px;padding:8px 10px;border-radius:9px;background:#fff5df;color:#765412;font-size:.8rem;line-height:1.4}
.completion-guidance{border-color:#b9d7c7;background:#f3faf6}
.completion-guidance strong{color:#1f6b45}

.phot-eval-guidance{border-color:#b8cfdf;background:#f1f7fb}
.phot-eval-guidance strong{color:#245f7c}
.phot-eval-btn{margin-top:8px;border:0;border-radius:9px;padding:9px 11px;background:#245f7c;color:#fff;font-weight:800;cursor:pointer}


@media print{
  @page{size:A4;margin:13mm}
  body{background:#fff;color:#17212b;font-size:10.5pt}
  body>.hero,#workArea,.footer{display:none!important}
  #caseSummary{display:block!important;max-width:none!important;padding:0!important}
  .summary-hero{box-shadow:none;border:1px solid #8aa2ad;border-radius:10px;padding:16px;background:#fff!important;color:#17212b!important}
  .summary-hero .kicker,.summary-hero h2{color:#17212b!important}
  .summary-lead{color:#455b65!important}
  .summary-status-badge{background:#eef4f5!important;color:#173f46!important;border-color:#aebfc5!important}
  .summary-export-actions,.summary-back-btn{display:none!important}
  .summary-section{box-shadow:none;border-radius:9px;padding:14px;margin-top:10px;break-inside:avoid}
  .summary-routes{grid-template-columns:1fr 1fr 1fr;gap:7px}
  .summary-components{grid-template-columns:1fr 1fr;gap:7px}
  .summary-evidence,.summary-quant{grid-template-columns:1fr 1fr;gap:7px}
  .summary-assessment{grid-template-columns:1fr 1fr}
  .route-card,.component-card,.evidence-card,.quant-card{break-inside:avoid}
  a{color:#173f46!important;text-decoration:underline}
}

.elemental-evidence{display:inline-flex;align-items:center;border-radius:999px;padding:5px 8px;background:#eef0fb;color:#4d4a86;font-size:.75rem;font-weight:800}

.expert-skip-btn{border-style:dashed;border-color:rgba(96,165,250,.65);background:rgba(30,64,175,.10)}
.expert-skip-btn:hover{background:rgba(30,64,175,.18)}
.elemental-evidence.skipped{background:#f4f1fb;color:#62508f}