:root{--bg:#f6f7f9;--card:#fff;--ink:#1b2430;--muted:#667085;--line:#e4e7ec;--acc:#2f6f5e;--acc-soft:#e6f2ee;--warn:#9a5b00;--warn-soft:#fff3dc;--err:#b42318;--err-soft:#fee4e2;color-scheme:light;box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
html{background:var(--bg);scroll-padding-top:env(safe-area-inset-top,0px)}
*,*::before,*::after{box-sizing:inherit}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
.wrap{max-width:720px;margin:0 auto;padding:16px 16px 96px}
.top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:0 0 8px}
.top h1{font-size:1.25rem;margin:0}.top small{color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
h1,h2,h3{line-height:1.25}h2{font-size:1.1rem;margin:24px 0 8px}h3{font-size:1rem;margin:0}p{margin:0 0 6px}
a{color:var(--acc)}.muted{color:var(--muted);font-size:.9rem}.small{font-size:.8rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;margin:10px 0}
.item{display:flex;gap:12px;align-items:flex-start}.ico{font-size:1.6rem;line-height:1.2}.grow{flex:1;min-width:0}
.acts{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:10px}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.row.end{justify-content:flex-end;margin-top:14px}.row.spread{justify-content:space-between}
.row input,.row select{flex:1;min-width:140px;width:auto}.bar{margin:14px 0 4px}
.stack{margin-top:10px}
.inline{display:inline-block;margin:0}
.btn{display:inline-block;font:inherit;font-size:.9rem;padding:8px 14px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;text-decoration:none}
.btn:hover{background:#f2f4f7}.btn.primary{background:var(--acc);border-color:var(--acc);color:#fff}.btn.primary:hover{background:#265a4c}.btn.danger{color:var(--err)}
input,select{font:inherit;width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink)}
input:focus,select:focus{outline:2px solid var(--acc-soft);border-color:var(--acc)}
label{display:block;font-size:.85rem;color:var(--muted);margin:12px 0 4px}
details>summary{list-style:none;text-align:center}details>summary::-webkit-details-marker{display:none}
.tag{display:inline-block;margin-top:6px;padding:2px 10px;border-radius:99px;font-size:.78rem;background:var(--acc-soft);color:var(--acc)}.tag.warn{background:var(--warn-soft);color:var(--warn)}
.empty{text-align:center;color:var(--muted);padding:28px 12px}
.flash{border-radius:12px;padding:10px 14px;margin:8px 0;font-size:.9rem;word-break:break-word;background:var(--acc-soft);color:var(--acc)}
.flash.err{background:var(--err-soft);color:var(--err)}.flash.info{background:var(--warn-soft);color:var(--warn)}
.notice{background:var(--warn-soft);border-color:#f5d9a6}.notice p{margin:0 0 6px}
.login{margin-top:12vh}.login h1{margin:0 0 6px}
video{width:100%;border-radius:12px;margin-top:8px;background:#000}
.upd{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(76px + env(safe-area-inset-bottom,0px));background:var(--ink);padding:10px 16px;border-radius:12px;z-index:5}
.upd a{color:#fff;text-decoration:none;font-size:.9rem}
nav{position:fixed;left:0;right:0;bottom:0;display:flex;background:#fff;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom,0px)}
nav a{flex:1;text-align:center;padding:10px 4px;color:var(--muted);text-decoration:none;font-size:.82rem}nav a b{display:block;font-size:1.2rem;font-weight:400}nav a.on{color:var(--acc);font-weight:600}

/* Bibliothek: Mehrfachauswahl – Drei-Punkte-Menü und Bestätigungs-Dialog */
.lib-head{align-items:center}.lib-head h2{margin:16px 0 8px}
.dropdown{position:relative;display:inline-block}
.dropdown-menu{position:absolute;right:0;top:calc(100% + 4px);z-index:30;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:0 10px 28px rgba(16,24,40,.18);padding:6px;min-width:240px}
.menu-item{display:block;width:100%;text-align:left;font:inherit;font-size:.9rem;background:none;border:0;padding:10px 12px;border-radius:10px;cursor:pointer;color:var(--ink)}
.menu-item:hover{background:var(--acc-soft)}
.menu-item.danger{color:var(--err)}.menu-item.danger:hover{background:var(--err-soft)}
.menu-item[disabled]{opacity:.5;cursor:not-allowed}
.dots{font-size:1.25rem;line-height:1;padding:8px 12px;letter-spacing:2px}
.bulk-check{width:20px;height:20px;flex:0 0 auto;margin-top:3px;accent-color:var(--acc);cursor:pointer}
.bulk-modal{width:min(420px,calc(100vw - 32px))}
.bulk-modal::backdrop{background:rgba(16,24,40,.45)}