/* HDBoard Dateien (Tab /dateien): Baum links, Vorschau rechts */
.main:has(.fl){padding:0}
.main:has(.fl) .topbar{display:none}
.fl{display:flex;height:100vh;height:100dvh;min-height:0;position:relative}
.fl-tree{width:300px;flex:none;border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0;position:relative}
.fl-prev{flex:1;min-width:0;display:flex;flex-direction:column;min-height:0}
.fl-th{display:flex;align-items:center;gap:6px;padding:calc(18px + var(--safe-t)) 12px 8px 16px}
.fl-th h2{margin:0;font-size:22px;font-weight:600;flex:1}
.fl-ib{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:38px;min-width:38px;padding:0 9px;border-radius:12px;border:1px solid var(--line);background:transparent;color:var(--text);cursor:pointer;font-size:13px;-webkit-tap-highlight-color:transparent}
.fl-ib span{display:none}
.fl-ib:hover:not(:disabled){border-color:rgba(168,85,247,.6);color:#fff}
.fl-ib:disabled{opacity:.35;cursor:default}
.fl-target{padding:0 16px 8px;font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fl-target b{color:var(--text);font-weight:500}
.fl-scroll{flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;padding:2px 8px 24px;-webkit-overflow-scrolling:touch;overscroll-behavior:contain}
.fl-scroll::-webkit-scrollbar{width:8px}.fl-scroll::-webkit-scrollbar-thumb{background:#3a4258;border-radius:8px}
.fl-row{display:flex;align-items:center;gap:6px;height:40px;padding-right:4px;border-radius:12px;cursor:pointer;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;position:relative;border:1px solid transparent;-webkit-tap-highlight-color:transparent}
.fl-row:hover{background:rgba(255,255,255,.04)}
.fl-row.sel{background:linear-gradient(90deg,rgba(168,85,247,.28),rgba(236,72,153,.16));border-color:rgba(168,85,247,.5)}
.fl-row.cur:not(.sel)::before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:3px;background:var(--a1)}
.fl-row.drop{background:rgba(168,85,247,.22);border-color:#a855f7;box-shadow:0 0 0 2px rgba(168,85,247,.25),0 0 18px rgba(168,85,247,.35)}
.fl-row.drop.copy{border-color:#ec4899;box-shadow:0 0 0 2px rgba(236,72,153,.25),0 0 18px rgba(236,72,153,.35);background:rgba(236,72,153,.16)}
.fl-row.pk.off{opacity:.35;cursor:default}
.fl-chev{width:18px;flex:none;display:inline-flex;align-items:center;justify-content:center;color:var(--muted);transform:rotate(-90deg);transition:transform .15s}
.fl-chev.open{transform:none}
.fl-chev.none{visibility:hidden}
.fl-ic{flex:none;display:inline-flex;color:#b9a3f5}
.fl-row:not(.dir) .fl-ic{color:var(--muted)}
.fl-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:15px}
.fl-tag{flex:none;font-size:11px;color:var(--muted);border:1px solid var(--line);border-radius:8px;padding:1px 6px}
.fl-more{flex:none;width:34px;height:34px;border:0;border-radius:10px;background:transparent;color:var(--muted);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;opacity:.55}
.fl-row:hover .fl-more,.fl-more:focus-visible{opacity:1}
.fl-more:hover{background:rgba(255,255,255,.08);color:#fff}
.fl-info{padding:8px 12px;font-size:13px;color:var(--muted)}
.fl-info.err{color:#f87171}
.fl-none{margin:12px}
.fl-hint{position:absolute;left:12px;right:12px;bottom:12px;padding:10px 14px;border-radius:14px;background:rgba(16,19,28,.95);border:1px solid #a855f7;font-size:14px;text-align:center;pointer-events:none;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;box-shadow:0 8px 30px rgba(0,0,0,.5)}
.fl-hint.copy{border-color:#ec4899}
/* Vorschau */
.fl-prev-in{display:flex;flex-direction:column;flex:1;min-height:0}
.fl-ph{display:flex;align-items:center;gap:10px;padding:calc(14px + var(--safe-t)) 16px 12px;border-bottom:1px solid var(--line)}
.fl-pt{flex:1;min-width:0;display:flex;flex-direction:column}
.fl-pt b{font-size:17px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.fl-pt span{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fl-pa{display:flex;gap:8px;flex:none}
.fl-btn{display:inline-flex;align-items:center;gap:7px;padding:8px 12px;font-size:14px;border-radius:12px;white-space:nowrap}
.fl-back{display:none;flex:none;width:40px;height:40px;border:1px solid var(--line);border-radius:12px;background:transparent;color:var(--text);align-items:center;justify-content:center;cursor:pointer}
.fl-pb{flex:1;min-height:0;overflow:auto;-webkit-overflow-scrolling:touch;display:flex;flex-direction:column}
.fl-empty{margin:auto;padding:24px;text-align:center;color:var(--muted)}
.fl-empty.big{display:flex;flex-direction:column;align-items:center;gap:2px;max-width:340px}
.fl-empty.big svg{color:#7c6cc4;margin-bottom:8px}
.fl-empty.big p{margin:4px 0}
.fl-empty.err{color:#f87171}
.fl-pdf{flex:1;width:100%;border:0;background:#2a2d38;min-height:0}
.fl-imgw{flex:1;display:flex;align-items:center;justify-content:center;padding:16px;min-height:0}
.fl-imgw a{display:flex;max-width:100%;max-height:100%;cursor:zoom-in}
.fl-img{max-width:100%;max-height:calc(100vh - 140px);object-fit:contain;border-radius:14px;background:#0f1219}
.fl-mdw{padding:18px clamp(16px,4vw,40px) 40px;max-width:860px;width:100%;box-sizing:border-box}
.fl-md{overflow-wrap:anywhere}
.fl-md img{max-width:100%}
.fl-md pre{overflow:auto}
.fl-fm{border-collapse:separate;border-spacing:0;font-size:13px;margin:0 0 16px;border:1px solid var(--line);border-radius:12px;overflow:hidden;width:100%;background:var(--card)}
.fl-fm th{text-align:left;color:var(--muted);font-weight:500;padding:6px 12px;white-space:nowrap;vertical-align:top;width:1%;border-bottom:1px solid var(--line)}
.fl-fm td{padding:6px 12px;overflow-wrap:anywhere;border-bottom:1px solid var(--line)}
.fl-fm tr:last-child th,.fl-fm tr:last-child td{border-bottom:0}
.fl-code{display:flex;align-items:flex-start;min-width:min-content;font:13px/1.55 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;padding:12px 0 40px}
.fl-code pre{margin:0;font:inherit;white-space:pre}
.fl-ln{position:sticky;left:0;flex:none;text-align:right;color:#5a6280;padding:0 12px 0 14px;background:var(--bg);user-select:none;-webkit-user-select:none;border-right:1px solid var(--line)}
.fl-tx{padding:0 18px 0 14px;tab-size:4}
.fl-infocard{margin:auto;width:min(420px,calc(100% - 32px));padding:22px;border:1px solid var(--line);border-radius:16px;background:var(--card);text-align:center}
.fl-bigic{color:#7c6cc4;margin-bottom:10px}
.fl-infocard dl{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;text-align:left;font-size:14px;margin:0 0 14px}
.fl-infocard dt{color:var(--muted)}.fl-infocard dd{margin:0;overflow-wrap:anywhere}
.fl-infocard .btn{display:inline-block;text-decoration:none}
/* Menue, Dialog, Toast */
.fl-menu{position:fixed;z-index:900;width:238px;padding:6px;border-radius:14px;background:var(--card2);border:1px solid rgba(168,85,247,.45);box-shadow:0 14px 40px rgba(0,0,0,.6)}
.fl-menu button,.fl-menu a{white-space:nowrap;display:flex;align-items:center;gap:10px;width:100%;height:42px;padding:0 10px;border:0;border-radius:10px;background:transparent;color:var(--text);font-size:15px;text-align:left;cursor:pointer;text-decoration:none}
.fl-menu button:hover,.fl-menu a:hover{background:rgba(168,85,247,.2)}
.fl-menu svg{color:#b9a3f5;flex:none}
.fl-pk{width:min(520px,100%);max-height:min(640px,100%);display:flex;flex-direction:column}
.fl-pk-tree{flex:1;min-height:160px;max-height:50vh;overflow:auto;margin-bottom:14px;padding:4px;border:1px solid var(--line);border-radius:14px;background:var(--bg2)}
.fl-pk .dlg-b{flex-wrap:wrap}
.fl-pk .dlg-b .btn{padding:10px 13px;font-size:14px}
.fl-pk .dlg-b .grow{flex:1}
.fl-toast{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);z-index:950;max-width:min(560px,calc(100vw - 24px));display:flex;align-items:center;gap:14px;padding:12px 16px;border-radius:14px;background:var(--card2);border:1px solid rgba(168,85,247,.55);box-shadow:0 12px 36px rgba(0,0,0,.55);font-size:14px;animation:dlgpop .18s ease}
.fl-toast.bad{border-color:#f87171}
.fl-toast span{overflow-wrap:anywhere}
.fl-toast button{flex:none;border:0;border-radius:10px;padding:7px 12px;background:var(--accent);color:#fff;font-weight:600;cursor:pointer}
.fl-up{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);z-index:940;width:min(420px,calc(100vw - 24px));padding:12px 16px;border-radius:14px;background:var(--card2);border:1px solid rgba(168,85,247,.55);box-shadow:0 12px 36px rgba(0,0,0,.55);font-size:13px}
.fl-upt{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-bottom:8px}
.fl-bar{height:6px;border-radius:6px;background:var(--line);overflow:hidden}
.fl-bar i{display:block;height:100%;background:var(--accent);transition:width .15s}
@media (min-width:900px){.fl-tree{width:300px}}
@media (max-width:1099px) and (min-width:900px){.fl-btn span{display:none}.fl-btn{padding:8px 10px}}
/* schmal (iPhone, iPad hoch): Baum ODER Vorschau vollflaechig */
@media (max-width:899px){
  .fl-tree{width:100%;border-right:0}
  .fl-prev{display:none}
  .fl.show-prev .fl-tree{display:none}
  .fl.show-prev .fl-prev{display:flex}
  .fl-back{display:inline-flex}
  .fl-btn span{display:none}.fl-btn{padding:0;width:40px;height:40px;justify-content:center}
  .fl-ph{padding:calc(10px + var(--safe-t)) 12px 10px;gap:8px}
  .fl-pa{gap:6px}
  .fl-th{padding-top:calc(16px + var(--safe-t))}
  .fl-ib span{display:none}.fl-ib{width:42px;height:42px}
  .fl-row{height:44px}
  .fl-more{width:40px;height:40px;opacity:.8}
  .fl-img{max-height:calc(100vh - 200px)}
  .fl-mdw{padding-top:14px}
}
@media (max-width:820px){
  .main:has(.fl){padding:0 0 calc(50px + var(--safe-b))}
  .fl{height:calc(var(--vvh,100dvh) - 50px - var(--safe-b))}
  .fl-toast,.fl-up{bottom:calc(66px + var(--safe-b))}
}