/* Schwarzes Brett: Terminal-Glasmorphismus, 3D-Ausleuchtung, Kapsel-Filter und exklusives Akkordeon */
@layer seiten {
  .brett-terminal {
    position: relative;
    max-width: 42rem;
    margin: clamp(1.2rem, 4vh, 2.5rem) auto;
    padding: clamp(1.2rem, 3vw, 2.2rem);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 32px;
    background: rgba(18, 18, 22, 0.78);
    backdrop-filter: blur(28px) saturate(180%);
    -webkit-backdrop-filter: blur(28px) saturate(180%);
    box-shadow: 0 32px 64px -16px rgba(0, 0, 0, 0.6), 0 16px 32px -8px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.22);
    overflow: hidden;
    isolation: isolate;
  }

  .brett-glas-schein {
    position: absolute;
    top: -60px;
    right: -50px;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.22) 0%, rgba(56, 189, 248, 0.12) 50%, transparent 70%);
    filter: blur(40px);
  }

  .brett-kopf {
    margin-bottom: 1.2rem;
  }

  .brett-titel-zeile {
    display: flex;
    align-items: center;
    gap: 0.75rem;
  }

  .brett-terminal h1 {
    font-size: 2rem;
    font-weight: 750;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    letter-spacing: 0.03em;
    margin: 0;
    color: #ffffff;
    line-height: 1.2;
  }

  .brett-puls-punkt {
    width: 0.7rem;
    height: 0.7rem;
    border-radius: 50%;
    background: #22c55e;
    box-shadow: 0 0 10px #22c55e;
    animation: brettPuls 2.2s infinite ease-in-out;
  }

  .brett-untertitel {
    margin: 0.35rem 0 0;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.62);
  }

  /* Segmentierte Filter-Kapselleiste */
  .brett-glas-segmente {
    display: flex;
    gap: 0.35rem;
    padding: 0.3rem;
    margin-bottom: 1.2rem;
    background: rgba(0, 0, 0, 0.38);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 99px;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    overflow-x: auto;
    scrollbar-width: none;
  }
  .brett-glas-segmente::-webkit-scrollbar { display: none; }

  .glas-segment-knopf {
    flex: 1 0 auto;
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.82rem;
    font-weight: 550;
    padding: 0.45rem 0.95rem;
    border-radius: 99px;
    cursor: pointer;
    transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
    white-space: nowrap;
    text-align: center;
  }
  .glas-segment-knopf:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.09);
  }
  .glas-segment-knopf.aktiv {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.18);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.3);
  }
  .glas-segment-knopf.art-gesucht.aktiv {
    color: #38bdf8;
    background: rgba(56, 189, 248, 0.18);
    box-shadow: 0 0 14px rgba(56, 189, 248, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.35);
  }
  .glas-segment-knopf.art-biete.aktiv {
    color: #34d399;
    background: rgba(52, 211, 153, 0.18);
    box-shadow: 0 0 14px rgba(52, 211, 153, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.35);
  }
  .glas-segment-knopf.art-frage.aktiv {
    color: #c084fc;
    background: rgba(168, 85, 247, 0.18);
    box-shadow: 0 0 14px rgba(168, 85, 247, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.35);
  }
  .glas-segment-knopf.art-hinweis.aktiv {
    color: #fbbf24;
    background: rgba(251, 191, 36, 0.18);
    box-shadow: 0 0 14px rgba(251, 191, 36, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.35);
  }

  /* Aktionskasten mit Primär-Kapsel */
  .brett-aktion-kasten {
    margin-bottom: 1.4rem;
  }
  .brett-aktion-kasten p {
    margin: 0;
  }
  .brett-aktion-kasten .plus-knopf.glas-kapsel-haupt {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .6rem;
    width: 100%;
    box-sizing: border-box;
    padding: .75rem 1.4rem;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 99px;
    color: #ffffff;
    font-weight: 550;
    font-size: .95rem;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28), 0 8px 24px -4px rgba(0, 0, 0, 0.35);
    cursor: pointer;
    transition: all .25s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .brett-aktion-kasten .plus-knopf.glas-kapsel-haupt:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px) scale(1.008);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45), 0 12px 32px -4px rgba(139, 92, 246, 0.25), 0 8px 16px -2px rgba(0, 0, 0, 0.45);
  }
  .brett-aktion-kasten .tipp {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    background: rgba(0, 0, 0, 0.28);
    padding: 0.6rem 1rem;
    border-radius: 99px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.7);
  }

  /* Zettel-Liste & Kapselkarten mit optischer Tiefe */
  .brett-liste {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
  }

  .zettel-kapsel {
    position: relative;
    margin-bottom: 0;
    padding: 1.1rem 1.25rem;
    border-radius: 20px;
    background: rgba(22, 22, 28, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.09);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.4), 0 4px 12px rgba(0, 0, 0, 0.25);
    cursor: pointer;
    transition: transform 0.32s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.32s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.32s ease, background 0.32s ease;
    overflow: hidden;
    isolation: isolate;
  }

  .zettel-kapsel:hover {
    background: rgba(28, 28, 36, 0.72);
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.16);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15), 0 10px 24px -6px rgba(0, 0, 0, 0.5);
  }

  .zettel-schein {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.35s ease;
    z-index: -1;
  }

  /* 3D-Effekt: Herauskommen und Anschalten bei .ist-offen */
  .zettel-kapsel.ist-offen {
    background: rgba(26, 26, 34, 0.94);
    transform: translateY(-3px) scale(1.008);
  }

  /* Kategorie-Leuchten bei offenen Karten */
  .zettel-gesucht.ist-offen {
    border-color: rgba(56, 189, 248, 0.7);
    box-shadow: 0 18px 36px -10px rgba(0, 0, 0, 0.75), 0 0 28px -4px rgba(56, 189, 248, 0.38), inset 0 1px 0 rgba(255, 255, 255, 0.4);
  }
  .zettel-gesucht.ist-offen .zettel-schein {
    opacity: 1;
    background: radial-gradient(ellipse at 50% 0%, rgba(56, 189, 248, 0.18) 0%, transparent 70%);
  }

  .zettel-biete.ist-offen {
    border-color: rgba(52, 211, 153, 0.7);
    box-shadow: 0 18px 36px -10px rgba(0, 0, 0, 0.75), 0 0 28px -4px rgba(52, 211, 153, 0.38), inset 0 1px 0 rgba(255, 255, 255, 0.4);
  }
  .zettel-biete.ist-offen .zettel-schein {
    opacity: 1;
    background: radial-gradient(ellipse at 50% 0%, rgba(52, 211, 153, 0.18) 0%, transparent 70%);
  }

  .zettel-frage.ist-offen {
    border-color: rgba(168, 85, 247, 0.7);
    box-shadow: 0 18px 36px -10px rgba(0, 0, 0, 0.75), 0 0 28px -4px rgba(168, 85, 247, 0.38), inset 0 1px 0 rgba(255, 255, 255, 0.4);
  }
  .zettel-frage.ist-offen .zettel-schein {
    opacity: 1;
    background: radial-gradient(ellipse at 50% 0%, rgba(168, 85, 247, 0.18) 0%, transparent 70%);
  }

  .zettel-hinweis.ist-offen {
    border-color: rgba(251, 191, 36, 0.7);
    box-shadow: 0 18px 36px -10px rgba(0, 0, 0, 0.75), 0 0 28px -4px rgba(251, 191, 36, 0.38), inset 0 1px 0 rgba(255, 255, 255, 0.4);
  }
  .zettel-hinweis.ist-offen .zettel-schein {
    opacity: 1;
    background: radial-gradient(ellipse at 50% 0%, rgba(251, 191, 36, 0.18) 0%, transparent 70%);
  }

  /* Zettel Kopfbereich */
  .zettel-kopf {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.6rem;
    margin-bottom: 0.45rem;
  }
  .zettel-kopf-meta {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
  }
  .zettel-kopf-status {
    display: flex;
    align-items: center;
    gap: 0.6rem;
  }

  .zettel-art {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.2rem 0.55rem;
    border-radius: 99px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    color: #ffffff;
  }
  .zettel-art-gesucht {
    background: rgba(56, 189, 248, 0.16);
    border-color: rgba(56, 189, 248, 0.35);
    color: #38bdf8;
  }
  .zettel-art-biete {
    background: rgba(52, 211, 153, 0.16);
    border-color: rgba(52, 211, 153, 0.35);
    color: #34d399;
  }
  .zettel-art-frage {
    background: rgba(168, 85, 247, 0.16);
    border-color: rgba(168, 85, 247, 0.35);
    color: #c084fc;
  }
  .zettel-art-hinweis {
    background: rgba(251, 191, 36, 0.16);
    border-color: rgba(251, 191, 36, 0.35);
    color: #fbbf24;
  }

  .zettel .wer {
    font-weight: 600;
    font-size: 0.92rem;
    color: rgba(255, 255, 255, 0.9);
  }
  .zettel .wer a {
    color: inherit;
    text-decoration: none;
  }
  .zettel .wer a:hover {
    text-decoration: underline;
  }
  .zettel .wann {
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.45);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  }

  .zettel-antworten-zaehler {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.65);
    background: rgba(255, 255, 255, 0.08);
    padding: 0.15rem 0.5rem;
    border-radius: 99px;
  }

  .zettel-pfeil {
    display: inline-block;
    width: 7px;
    height: 7px;
    border-right: 2px solid rgba(255, 255, 255, 0.45);
    border-bottom: 2px solid rgba(255, 255, 255, 0.45);
    transform: rotate(45deg);
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s ease;
  }
  .zettel-kapsel.ist-offen .zettel-pfeil {
    transform: rotate(-135deg);
    border-color: rgba(255, 255, 255, 0.85);
  }

  /* Zettel Text: eingeklappt als 2-zeiliger Teaser, ausgeklappt vollständig */
  .zettel-text {
    white-space: pre-wrap;
    margin: 0.25rem 0 0;
    font-size: 0.95rem;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.82);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color 0.2s ease;
  }
  .zettel-kapsel.ist-offen .zettel-text {
    display: block;
    -webkit-line-clamp: unset;
    overflow: visible;
    color: #ffffff;
  }

  /* Ausgeklappter Zettelkörper */
  .zettel-koerper {
    margin-top: 0.9rem;
    padding-top: 0.9rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    animation: brettSanftAuf 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .zettel-koerper[hidden] {
    display: none;
  }

  .zettel-aktionen {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 0.85rem;
  }

  .zettel .antworten {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin: 0.6rem 0;
    padding-left: 0.85rem;
    border-left: 2px solid rgba(255, 255, 255, 0.12);
  }
  .zettel .antwort {
    background: rgba(0, 0, 0, 0.25);
    border-radius: 12px;
    padding: 0.5rem 0.8rem;
    border: 1px solid rgba(255, 255, 255, 0.06);
  }
  .zettel .antwort p { margin: 0.15rem 0 0; color: rgba(255, 255, 255, 0.85); }

  .zettel .antwort-form {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.75rem;
  }
  .zettel .antwort-form textarea {
    width: 100%;
    box-sizing: border-box;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 14px;
    padding: 0.6rem 0.8rem;
    color: #ffffff;
    font: inherit;
    font-size: 0.92rem;
    resize: vertical;
  }
  .zettel .antwort-form textarea:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.35);
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.1);
  }

  /* Formular im Popover / Aushänge-Form */
  .zettel-form {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    margin-bottom: 1.2rem;
    padding: 0.8rem 1rem;
  }
  .zettel-form textarea { width: 100%; }
  .zettel-form-zeile { display: flex; gap: 0.8rem; flex-wrap: wrap; align-items: center; }

  .brett-leer-hinweis {
    text-align: center;
    color: rgba(255, 255, 255, 0.55);
    margin: 1.5rem 0 0.5rem;
  }

  @keyframes brettPuls {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.15); box-shadow: 0 0 14px #22c55e; }
  }
  @keyframes brettSanftAuf {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
  }
}