:root {
  --bg: #F2F5F4; --surface: #FFFFFF; --ink: #16201E; --muted: #55645F; --line: #D8E0DD;
  --offer: #0E6B5C; --offer-bg: #DCF0EA; --seek: #A84A0C; --seek-bg: #FBE8D6;
  --accent: #0E6B5C; --on-accent: #FFFFFF; --focus: #1B5FD1; --danger: #B3261E;
  --font: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Roboto, Arial, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0F1615; --surface: #172120; --ink: #E6EEEC; --muted: #98A9A5; --line: #2A3837;
    --offer: #5FD1B8; --offer-bg: #143A33; --seek: #F0A266; --seek-bg: #3A2514;
    --accent: #5FD1B8; --on-accent: #07201B; --focus: #8DB6FF; --danger: #FF8A80; color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.5 var(--font); min-height: 100vh; display: flex; flex-direction: column; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--accent); text-underline-offset: 3px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.wrap { width: 100%; max-width: 1120px; margin-inline: auto; padding-inline: 16px; }
#app { flex: 1; padding-block: 20px 40px; outline: none; }
.skip { position: absolute; left: -999px; top: 0; background: var(--surface); padding: 8px 12px; z-index: 20; }
.skip:focus { left: 8px; top: 8px; }
.muted { color: var(--muted); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
h1, h2, h3 { line-height: 1.2; text-wrap: balance; }
h1 { font-size: 1.7rem; margin: 0 0 6px; letter-spacing: -0.01em; }
h2 { font-size: 1.25rem; margin: 0 0 8px; }

/* Kopf */
.site-head { background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.bar { display: flex; flex-wrap: wrap; gap: 6px 20px; align-items: center; justify-content: space-between; padding-block: 10px; }
.logo { display: inline-flex; align-items: center; text-decoration: none; border-radius: 6px; }
.logo img { display: block; height: 48px; width: auto; max-width: 100%; }
@media (prefers-color-scheme: dark) { .logo { background: #FFFFFF; padding: 4px 8px; } }
.nav { display: flex; flex-wrap: wrap; gap: 4px 6px; align-items: center; }
.nav a { padding: 6px 10px; border-radius: 6px; color: var(--ink); text-decoration: none; }
.nav a:hover { background: var(--bg); }
.nav a[aria-current="page"] { font-weight: 600; background: var(--offer-bg); }
.dot { display: inline-block; min-width: 18px; padding: 0 5px; border-radius: 9px; background: var(--seek); color: var(--surface); font-size: 12px; text-align: center; margin-left: 4px; }
.foot { display: flex; flex-wrap: wrap; gap: 16px 40px; justify-content: space-between; padding-block: 20px; }
.site-foot { border-top: 1px solid var(--line); background: var(--surface); }
.legal { display: flex; gap: 16px; align-items: start; }
.nl { max-width: 440px; display: grid; gap: 6px; flex: 1 1 280px; }
.nl-row { display: flex; gap: 8px; }
.nl-row .field { flex: 1; min-width: 0; }

/* Bausteine */
.btn { background: var(--accent); color: var(--on-accent); border: 0; border-radius: 8px; padding: 10px 16px; font-weight: 600; cursor: pointer; text-decoration: none; display: inline-block; text-align: center; }
.btn:hover { filter: brightness(1.08); }
.btn:disabled { opacity: .55; cursor: default; }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn.danger { background: var(--danger); color: #fff; }
.btn.small { padding: 6px 12px; font-size: 14px; }
.field { width: 100%; background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 9px 10px; }
textarea.field { resize: vertical; }
.lbl { display: grid; gap: 5px; font-size: 13px; font-weight: 600; color: var(--muted); min-width: 0; }
.lbl .field { font-weight: 400; color: var(--ink); font-size: 15px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; }
.check input { margin-top: 4px; flex: none; }
.hint { font-size: 13px; color: var(--muted); margin: 0; }
.err { color: var(--danger); font-size: 14px; margin: 0; min-height: 1.3em; }
.ok { color: var(--offer); font-size: 14px; margin: 0; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 20px; display: grid; gap: 14px; min-width: 0; }
.narrow { max-width: 520px; margin-inline: auto; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.chip { background: var(--bg); border: 1px solid var(--line); border-radius: 999px; padding: 4px 11px; font-size: 13px; cursor: pointer; }
.chip[aria-pressed="true"] { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.pill { font-weight: 600; font-size: 12px; letter-spacing: .04em; text-transform: uppercase; padding: 3px 9px; border-radius: 4px; }
.pill.offer { background: var(--offer-bg); color: var(--offer); }
.pill.seek { background: var(--seek-bg); color: var(--seek); }
.pill.state { background: var(--bg); color: var(--muted); border: 1px solid var(--line); }
.toast { position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(18px + env(safe-area-inset-bottom, 0px)); background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 8px; font-size: 14px; max-width: calc(100% - 32px); z-index: 30; }

/* Liste */
.modes { display: flex; flex-wrap: wrap; gap: 8px; margin-block: 14px; }
.mode { flex: 1 1 180px; text-align: left; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px; cursor: pointer; display: grid; gap: 1px; }
.mode strong { font-size: 1.05rem; }
.mode span { font-size: 13px; color: var(--muted); }
.mode[aria-pressed="true"] { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); background: var(--offer-bg); }
.layout { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 24px; align-items: start; }
.filters { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 16px; display: grid; gap: 18px; position: sticky; top: 70px; }
.filter-toggle { display: none; margin-bottom: 12px; }
.f-group h2 { font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin: 0 0 8px; font-weight: 600; }
.cats, .subcats { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.subcats { margin: 2px 0 6px 12px; padding-left: 8px; border-left: 2px solid var(--line); }
.cat-btn { width: 100%; display: flex; justify-content: space-between; gap: 8px; text-align: left; background: transparent; border: 0; border-radius: 6px; padding: 7px 8px; cursor: pointer; }
.cat-btn:hover { background: var(--bg); }
.cat-btn[aria-current="true"] { background: var(--offer-bg); font-weight: 600; }
.cat-btn .n { color: var(--muted); font-variant-numeric: tabular-nums; }
.feed-head { display: flex; flex-wrap: wrap; gap: 8px 16px; justify-content: space-between; align-items: center; margin-bottom: 12px; font-size: 14px; color: var(--muted); }
.crumbs button { background: none; border: 0; padding: 0; cursor: pointer; color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.feed { display: grid; gap: 12px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 6px 16px; min-width: 0; cursor: pointer; }
.card:hover { border-color: var(--accent); }
.card-main { display: grid; gap: 8px; min-width: 0; }
.card-top { display: flex; flex-wrap: wrap; gap: 8px 10px; align-items: center; font-size: 13px; color: var(--muted); }
.card h3 { font-size: 1.15rem; margin: 0; overflow-wrap: anywhere; }
.card h3 a { color: inherit; text-decoration: none; }
.card h3 a:hover { text-decoration: underline; }
.card p { margin: 0; max-width: 65ch; overflow-wrap: anywhere; }
.thumb { width: 132px; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); align-self: start; }
.path { font-size: 13px; color: var(--muted); }
.path b { color: var(--ink); font-weight: 600; }
.facts { display: flex; flex-wrap: wrap; gap: 4px 18px; font-size: 14px; color: var(--muted); }
.facts b { color: var(--ink); font-weight: 600; }
.card-foot { grid-column: 1 / -1; padding-top: 8px; border-top: 1px solid var(--line); font-size: 14px; }
.empty { background: var(--surface); border: 1px dashed var(--line); border-radius: 10px; padding: 28px 20px; text-align: center; color: var(--muted); display: grid; gap: 10px; justify-items: center; }
.empty strong { color: var(--ink); font-size: 1.1rem; }
.pager { display: flex; gap: 10px; justify-content: center; align-items: center; margin-top: 16px; }

/* Detail */
.detail { display: grid; gap: 18px; }
.detail h1 { overflow-wrap: anywhere; }
.d-sec { display: grid; gap: 6px; min-width: 0; }
.d-sec h2 { font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin: 0; font-weight: 600; }
.d-sec p { margin: 0; max-width: 65ch; overflow-wrap: anywhere; }
.d-sec p.long { white-space: pre-wrap; }
.gallery { display: grid; gap: 8px; max-width: 720px; }
.g-main { aspect-ratio: 16 / 10; max-width: 100%; background: var(--bg); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.g-main img { width: 100%; height: 100%; object-fit: contain; display: block; }
.g-thumbs { display: flex; gap: 8px; flex-wrap: wrap; }
.g-thumb { width: 88px; aspect-ratio: 4 / 3; padding: 0; border: 2px solid var(--line); border-radius: 6px; overflow: hidden; background: var(--bg); cursor: pointer; }
.g-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.g-thumb[aria-current="true"] { border-color: var(--accent); }
.dl { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 6px 18px; margin: 0; font-size: 14px; }
.dl dt { color: var(--muted); }
.dl dd { margin: 0; font-weight: 600; overflow-wrap: anywhere; }
.contact-box { background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; display: grid; gap: 10px; }
.contact-box p { margin: 0; }
.selectable { user-select: all; background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 6px 10px; overflow-wrap: anywhere; }

/* Formular und Chat */
.uploads { display: flex; flex-wrap: wrap; gap: 10px; }
.up-item { position: relative; width: 104px; aspect-ratio: 4 / 3; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: var(--bg); }
.up-item img { width: 100%; height: 100%; object-fit: cover; display: block; }
.up-x { position: absolute; top: 4px; right: 4px; width: 26px; height: 26px; border-radius: 50%; border: 0; background: var(--ink); color: var(--bg); cursor: pointer; line-height: 1; font-size: 16px; }
.threads { display: grid; gap: 8px; }
.thread { display: grid; gap: 2px; padding: 12px 14px; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; text-decoration: none; color: var(--ink); }
.thread:hover { border-color: var(--accent); }
.thread.unread { border-left: 4px solid var(--seek); }
.thread .snip { color: var(--muted); font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chat { display: grid; gap: 10px; }
.msg { max-width: min(560px, 90%); padding: 10px 14px; border-radius: 12px; background: var(--surface); border: 1px solid var(--line); white-space: pre-wrap; overflow-wrap: anywhere; }
.msg.mine { justify-self: end; background: var(--offer-bg); border-color: transparent; }
.msg time { display: block; font-size: 12px; color: var(--muted); margin-top: 4px; }
.stats { display: flex; flex-wrap: wrap; gap: 12px; }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 10px 16px; min-width: 120px; }
.stat b { display: block; font-size: 1.5rem; font-variant-numeric: tabular-nums; }
.rows { display: grid; gap: 8px; }
.item-row { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; justify-content: space-between; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; }
.item-row .grow { flex: 1 1 260px; min-width: 0; overflow-wrap: anywhere; }
.todo { border: 2px dashed var(--danger); border-radius: 10px; padding: 12px 16px; color: var(--danger); }

@media (max-width: 820px) {
  .layout { grid-template-columns: minmax(0, 1fr); }
  .filter-toggle { display: inline-block; }
  .filters { position: static; }
  .filters[data-open="false"] { display: none; }
  .card { grid-template-columns: minmax(0, 1fr); }
  .thumb { width: 100%; max-width: 280px; order: -1; }
}
@media (prefers-reduced-motion: no-preference) { .card { transition: border-color .15s; } }
.lbl .hint { font-weight: 400; }