/* «Frag Firnkern» 1.2 · 04.11.2026 · Handy: runder Knopf, Vollbild-Blatt, KI-Hinweis aufklappbar, Spracheingabe */
.fkf-knopf{position:fixed;right:16px;bottom:16px;z-index:900;display:inline-flex;align-items:center;gap:.5rem;min-height:48px;padding:.7rem 1.1rem;border:0;border-radius:999px;background:var(--petrol,#1B6782);color:#fff;font-family:inherit;font-weight:600;font-size:1rem;line-height:1.2;box-shadow:0 6px 20px rgba(15,47,58,.25);cursor:pointer}
.fkf-knopf:hover{background:var(--petrol-h,#14526A)}
.fkf-knopf:focus-visible,.fkf-feld button:focus-visible,.fkf-feld textarea:focus-visible,.fkf-feld a:focus-visible{outline:3px solid var(--signal,#E8842A);outline-offset:2px}
.fkf-punkt{width:10px;height:10px;border-radius:50%;background:var(--signal,#E8842A)}
.fkf-knopf.fkf-offen{display:none}
.fkf-feld{position:fixed;right:16px;bottom:16px;z-index:901;width:min(400px,calc(100vw - 32px));max-height:min(640px,calc(100vh - 32px));display:flex;flex-direction:column;background:var(--paper,#fff);color:var(--ink,#0F2F3A);border:1px solid var(--line,#D3E2E8);border-radius:var(--r-m,14px);box-shadow:0 12px 40px rgba(15,47,58,.28);overflow:hidden;font-size:.95rem}
.fkf-feld[hidden]{display:none}
.fkf-kopf{display:flex;justify-content:space-between;align-items:flex-start;gap:.5rem;padding:.8rem 1rem;background:var(--ink,#0F2F3A);color:#fff}
.fkf-titel{margin:0;font-size:1.05rem;color:#fff}
.fkf-unter{margin:.15rem 0 0;font-size:.8rem;opacity:.85}
.fkf-zu{min-width:44px;min-height:44px;margin:-.5rem -.6rem 0 0;border:0;background:transparent;color:#fff;font-size:1.6rem;line-height:1;cursor:pointer}
.fkf-hinweis{margin:0;padding:.55rem 1rem;font-size:.78rem;line-height:1.4;background:var(--warm,#FBF4EC);color:var(--slate,#4A5B63);border-bottom:1px solid var(--line,#D3E2E8)}
.fkf-hinweis a{color:var(--signal-t,#A3500D)}
.fkf-liste{flex:1;overflow-y:auto;padding:.8rem 1rem;display:flex;flex-direction:column;gap:.6rem;min-height:160px}
.fkf-msg{max-width:88%;padding:.55rem .75rem;border-radius:12px;line-height:1.45;white-space:pre-wrap;overflow-wrap:anywhere}
.fkf-ki{align-self:flex-start;background:var(--ice1,#E4F1F5)}
.fkf-du{align-self:flex-end;background:var(--petrol,#1B6782);color:#fff}
.fkf-info{align-self:stretch;max-width:none;background:var(--warm,#FBF4EC);color:var(--signal-t,#A3500D);font-size:.85rem}
.fkf-warte{opacity:.7;font-style:italic}
.fkf-msg a{color:var(--petrol-h,#14526A)}
.fkf-form{display:flex;gap:.5rem;padding:.6rem .8rem;border-top:1px solid var(--line,#D3E2E8)}
.fkf-form textarea{flex:1;resize:none;min-height:44px;padding:.5rem .6rem;border:1px solid var(--ice3,#97CADB);border-radius:var(--r-s,6px);font:inherit;color:inherit}
.fkf-senden{min-width:44px;min-height:44px;padding:0 .9rem;border:0;border-radius:var(--r-s,6px);background:var(--petrol,#1B6782);color:#fff;font-weight:600;cursor:pointer}
.fkf-senden:disabled{opacity:.5;cursor:wait}
.fkf-mensch{display:block;padding:.2rem 1rem .7rem;font-size:.82rem;color:var(--petrol-h,#14526A)}
.fkf-mikro{min-width:44px;min-height:44px;padding:0 .6rem;border:1px solid var(--ice3,#97CADB);border-radius:var(--r-s,6px);background:var(--paper,#fff);color:var(--petrol,#1B6782);display:inline-flex;align-items:center;justify-content:center;cursor:pointer}
.fkf-mikro:focus-visible{outline:3px solid var(--signal,#E8842A);outline-offset:2px}
.fkf-mikro.fkf-hoert{background:var(--signal,#E8842A);border-color:var(--signal,#E8842A);color:#fff;animation:fkf-puls 1.2s ease-in-out infinite}
@keyframes fkf-puls{50%{box-shadow:0 0 0 6px rgba(232,132,42,.25)}}
@media (prefers-reduced-motion:reduce){.fkf-mikro.fkf-hoert{animation:none}}
.fkf-hinweis summary{display:none}
.fkf-hinweis-text{margin:0}
.fkf-symbol{display:none}
.fkf-weg{opacity:0!important;pointer-events:none!important}
.fkf-knopf{transition:opacity .2s}
html.fkf-sperre,html.fkf-sperre body{overflow:hidden!important;overscroll-behavior:none}
@media (max-width:600px){
.fkf-knopf{right:max(12px,env(safe-area-inset-right));bottom:max(12px,env(safe-area-inset-bottom));width:56px;height:56px;min-height:56px;padding:0;justify-content:center;gap:0}
.fkf-knopf .fkf-text{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.fkf-knopf .fkf-symbol{display:block;width:26px;height:26px}
.fkf-knopf .fkf-punkt{position:absolute;top:9px;right:9px;width:12px;height:12px;border:2px solid var(--petrol,#1B6782)}
.fkf-feld{inset:0;top:0;left:0;right:0;bottom:auto;width:100%;max-width:100%;height:100vh;height:100dvh;max-height:none;border:0;border-radius:0;box-shadow:none;font-size:1rem;overscroll-behavior:contain;box-sizing:border-box}
.fkf-kopf{align-items:center;padding:max(.6rem,env(safe-area-inset-top)) max(.6rem,env(safe-area-inset-right)) .6rem max(1rem,env(safe-area-inset-left))}
.fkf-kopf{position:sticky;top:0;z-index:2;flex:0 0 auto}
.fkf-zu{margin:0;width:48px;height:48px;flex:0 0 48px}
.fkf-mikro{min-width:48px;min-height:48px}
.fkf-form{flex:0 0 auto}
.fkf-hinweis{padding:0;font-size:.85rem}
.fkf-hinweis summary{display:flex;align-items:center;gap:.4rem;min-height:40px;padding:0 1rem;cursor:pointer;list-style:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--signal-t,#A3500D);font-weight:600}
.fkf-hinweis summary::-webkit-details-marker{display:none}
.fkf-hinweis summary::after{content:"";width:.5em;height:.5em;margin-left:auto;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);flex:0 0 auto}
.fkf-hinweis[open] summary::after{transform:rotate(-135deg) translateY(-2px)}
.fkf-hinweis .fkf-hinweis-text{margin:0;padding:0 1rem .6rem}
.fkf-liste{min-height:0;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}
.fkf-msg{max-width:92%}
.fkf-form{padding:.6rem max(.8rem,env(safe-area-inset-right)) .4rem max(.8rem,env(safe-area-inset-left))}
.fkf-form textarea{font-size:16px;min-height:48px;max-height:30vh}
.fkf-senden{min-height:48px}
.fkf-mensch{padding:.1rem 1rem max(.6rem,env(safe-area-inset-bottom))}
}
@media print{.fkf-knopf,.fkf-feld{display:none!important}}