:root{
  --accent:#3b6fe0; --accent-dark:#2b54b8; --bg:#f2f4f8; --panel:#fff;
  --text:#182230; --muted:#667085; --line:#e6e9ef; --green:#12a150; --amber:#b7791f; --red:#c0392b;
  --safe-b: env(safe-area-inset-bottom, 0px);
}
*{box-sizing:border-box; -webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%}
body{font-family:-apple-system,"Segoe UI",system-ui,Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:16px}
.hidden{display:none!important}
button{font:inherit;cursor:pointer}

/* App-Leiste */
.appbar{position:sticky;top:0;z-index:10;background:var(--accent);color:#fff;display:flex;align-items:center;gap:8px;
  padding:calc(env(safe-area-inset-top,0px) + 10px) 12px 10px;min-height:54px}
.appbar .title{font-weight:700;font-size:18px;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.appbar button{background:rgba(255,255,255,.18);border:none;color:#fff;border-radius:10px;padding:9px 12px;font-size:15px}
.appbar button:active{background:rgba(255,255,255,.32)}
.iconbtn{min-width:42px;text-align:center}

/* Ordner-Tabs */
.tabs{display:flex;gap:6px;overflow-x:auto;padding:8px 10px;background:var(--panel);border-bottom:1px solid var(--line)}
.tab{white-space:nowrap;border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 14px;font-size:14px;color:var(--text)}
.tab.active{background:var(--accent);border-color:var(--accent);color:#fff}

/* Liste */
.list{padding:0 0 90px}
.row{background:var(--panel);border-bottom:1px solid var(--line);padding:13px 14px;display:block}
.row:active{background:#eef2fb}
.row .r1{display:flex;justify-content:space-between;gap:8px;align-items:baseline}
.row .subj{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row .subj.unread{font-weight:800}
.row .date{color:var(--muted);font-size:12px;flex:0 0 auto}
.row .from{color:var(--muted);font-size:13.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:2px}
.row .badges{margin-top:6px;display:flex;gap:6px;flex-wrap:wrap}
.badge{font-size:11.5px;padding:3px 8px;border-radius:7px;font-weight:600}
button.badge{border:none;cursor:pointer}
.hint{font-size:12.5px;color:var(--muted);margin:0 0 10px}
.link{color:var(--accent);text-decoration:none;font-weight:600}
.sec{font-size:14px;color:var(--muted);margin:18px 0 8px;border-top:1px solid var(--line);padding-top:12px}
.chk{display:flex;align-items:flex-start;gap:8px;font-size:14px;color:var(--text);margin:10px 0}
.chk input{width:auto;margin-top:3px}
code{background:#eef1f6;padding:2px 6px;border-radius:6px;font-size:12px;word-break:break-all}
.b-ans{background:#e6f6ee;color:var(--green)}
.b-note{background:#fff8e6;color:var(--amber)}
.b-prog{background:#e8eefc;color:var(--accent-dark)}

/* Nachricht */
.msgwrap{padding:14px 14px 120px}
.msg-h{font-size:20px;font-weight:700;margin:2px 0 8px}
.msg-meta{color:var(--muted);font-size:13.5px;margin-bottom:6px;word-break:break-word}
.ans-banner{background:#e6f6ee;color:var(--green);border-radius:10px;padding:9px 12px;font-weight:600;font-size:14px;margin:8px 0}
.msg-body{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px;line-height:1.5;white-space:pre-wrap;word-break:break-word}
.msg-body iframe{width:100%;border:none;background:#fff;border-radius:8px}
.atts{margin-top:12px;display:flex;flex-direction:column;gap:8px}
.att{display:flex;align-items:center;gap:10px;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:11px 12px;color:var(--text);text-decoration:none;font-size:14px}
.att:active{background:#eef2fb}

/* Notizen */
.notes{margin-top:16px}
.notes h3{font-size:14px;margin:0 0 8px;color:#465063}
.note{background:#fff8e6;border:1px solid #f0e3b8;border-radius:10px;padding:10px 12px;margin-bottom:8px}
.note .m{font-size:11.5px;color:var(--amber);font-weight:700;display:flex;justify-content:space-between;gap:8px;margin-bottom:3px}
.note-add{display:flex;gap:8px;margin-top:8px}
.note-add textarea{flex:1;min-height:44px;border:1px solid var(--line);border-radius:10px;padding:10px;font:inherit;background:#fff;color:var(--text)}

/* untere Aktionsleiste */
.actionbar{position:fixed;left:0;right:0;bottom:0;background:var(--panel);border-top:1px solid var(--line);
  display:flex;gap:8px;padding:10px 12px calc(10px + var(--safe-b));z-index:20}
.actionbar button{flex:1;border:none;border-radius:12px;padding:14px 8px;font-size:15px;font-weight:700}
.btn-primary{background:var(--accent);color:#fff}
.btn-ghost{background:#eef1f5;color:var(--text)}
.btn-red{background:#fdecec;color:var(--red)}
.btn-amber{background:#fff3d6;color:var(--amber)}

/* FAB */
.fab{position:fixed;right:18px;bottom:calc(18px + var(--safe-b));width:60px;height:60px;border-radius:50%;
  background:var(--accent);color:#fff;font-size:28px;border:none;box-shadow:0 6px 18px rgba(43,84,184,.5);z-index:20}

/* Formulare / Login / Compose */
.screen{padding:16px 14px 120px}
.field{display:block;margin-bottom:14px}
.field span{display:block;font-size:13px;color:#465063;font-weight:600;margin-bottom:5px}
.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);border-radius:12px;padding:13px;font:inherit;background:#fff;color:var(--text)}
.field textarea{min-height:180px;resize:vertical}
.login-card{max-width:420px;margin:8vh auto 0;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:20px}
.login-card h1{font-size:20px;margin:0 0 4px}
.login-card p{color:var(--muted);margin:0 0 16px;font-size:14px}
.bigbtn{width:100%;border:none;border-radius:12px;padding:15px;font-size:16px;font-weight:700;background:var(--accent);color:#fff}
.err{background:#fdecec;color:var(--red);border-radius:10px;padding:10px 12px;font-size:14px;margin:10px 0}
.empty{color:var(--muted);text-align:center;padding:40px 20px}
.toast{position:fixed;left:50%;bottom:calc(90px + var(--safe-b));transform:translateX(-50%);background:#1f2733;color:#fff;
  padding:11px 16px;border-radius:12px;font-size:14px;z-index:50;max-width:90%}
.spin{color:var(--muted);text-align:center;padding:30px}

/* =========================================================
   v2 – app-artiges, moderneres Design
   ========================================================= */
:root{
  --accent2:#5a86f0; --card:#fff; --ring:rgba(59,111,224,.14);
  --nav-h: 60px;
}
body{background:linear-gradient(180deg,#eef2f9 0%, #f4f6fb 240px, #f4f6fb 100%);}

.appbar{background:linear-gradient(120deg,var(--accent) 0%,var(--accent2) 100%);
  box-shadow:0 3px 14px rgba(43,84,184,.28)}
.appbar .title{font-size:19px;letter-spacing:.2px}
.appbar button{background:rgba(255,255,255,.16);backdrop-filter:blur(4px);border-radius:12px}

/* Suchleiste */
.searchbar{position:sticky;top:0;z-index:8;background:var(--panel);border-bottom:1px solid var(--line);padding:10px 12px;display:flex;gap:8px;align-items:center}
.searchbar input{flex:1;border:1px solid var(--line);border-radius:999px;padding:11px 15px;font:inherit;background:#f5f7fb;color:var(--text)}
.searchbar input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--ring);background:#fff}
.searchbar .sb-x{background:#eef1f5;border:none;border-radius:999px;width:40px;height:40px;color:var(--muted);font-size:18px}

/* Ordner-Tabs schicker */
.tabs{background:transparent;border:none;padding:10px 10px 4px}
.tab{background:#fff;box-shadow:0 1px 3px rgba(20,30,50,.06);border-color:transparent}
.tab.active{box-shadow:0 3px 10px rgba(43,84,184,.35)}

/* Liste als Karten mit Avatar */
.list{padding:8px 10px calc(var(--nav-h) + 30px + var(--safe-b))}
.row{border:none;border-radius:16px;margin:0 0 8px;padding:12px 13px;box-shadow:0 1px 4px rgba(20,30,50,.06);
  display:flex;gap:11px;align-items:flex-start}
.row:active{background:#eef2fb;transform:scale(.995)}
.row .rmain{flex:1;min-width:0}
.avatar{flex:0 0 auto;width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:700;font-size:16px;background:var(--accent)}
.row.unreadrow{box-shadow:0 2px 8px rgba(43,84,184,.16);border-left:4px solid var(--accent)}
.star{flex:0 0 auto;font-size:18px;color:#d0d5dd;background:none;border:none;padding:2px 2px}
.star.on{color:#f2b53b}

/* Badges */
.badge{border-radius:999px;padding:3px 9px}

/* Bottom-Navigation */
.bottomnav{position:fixed;left:0;right:0;bottom:0;z-index:30;background:var(--panel);
  border-top:1px solid var(--line);display:flex;justify-content:space-around;align-items:center;
  padding:6px 6px calc(6px + var(--safe-b));box-shadow:0 -2px 14px rgba(20,30,50,.08)}
.navitem{flex:1;background:none;border:none;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:2px;
  font-size:11px;padding:6px 0;font-weight:600}
.navitem .ni{font-size:20px;line-height:1}
.navitem.active{color:var(--accent)}
.navitem.big .ni{background:var(--accent);color:#fff;width:46px;height:46px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:24px;margin-top:-18px;box-shadow:0 5px 14px rgba(43,84,184,.45)}

/* verschiebt FAB, wenn Bottom-Nav aktiv */
.has-nav .fab{display:none}

/* Aktionsleiste in der Nachricht: scrollbar bei vielen Aktionen */
.actionbar{gap:6px;overflow-x:auto;flex-wrap:nowrap}
.actionbar button{flex:1 0 auto;min-width:84px;padding:12px 10px;font-size:14px;border-radius:12px}

/* Sheet-Menü (Mehr / Aktionen) */
.sheet-bg{position:fixed;inset:0;background:rgba(15,20,30,.4);z-index:60;display:flex;align-items:flex-end}
.sheet{background:var(--panel);width:100%;border-radius:20px 20px 0 0;padding:8px 10px calc(14px + var(--safe-b));animation:slideup .2s ease}
@keyframes slideup{from{transform:translateY(30px);opacity:.5}to{transform:translateY(0);opacity:1}}
.sheet h4{margin:10px 12px;color:var(--muted);font-size:13px}
.sheet-item{display:flex;align-items:center;gap:12px;width:100%;background:none;border:none;text-align:left;
  padding:15px 14px;font-size:16px;color:var(--text);border-radius:12px}
.sheet-item:active{background:#eef2fb}
.sheet-item .si{font-size:20px;width:26px;text-align:center}
.sheet-item.danger{color:var(--red)}
.sheet-grip{width:40px;height:4px;background:var(--line);border-radius:2px;margin:8px auto 4px}

/* Umschalter (Rechte) */
.switchrow{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 2px;border-bottom:1px solid var(--line)}
.switchrow span{font-size:14px}
.switch{position:relative;width:48px;height:28px;flex:0 0 auto}
.switch input{opacity:0;width:0;height:0}
.slider{position:absolute;inset:0;background:#cfd6e2;border-radius:999px;transition:.2s}
.slider:before{content:"";position:absolute;width:22px;height:22px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s;box-shadow:0 1px 3px rgba(0,0,0,.25)}
.switch input:checked + .slider{background:var(--green)}
.switch input:checked + .slider:before{transform:translateX(20px)}

/* Karten-Container in Formularen */
/* Rich-Text-Editor im Schreibfenster */
.field-label{display:block;font-size:13px;color:#465063;font-weight:600;margin:0 0 5px}
.rtbar{display:flex;flex-wrap:wrap;gap:6px;align-items:center;background:var(--panel);border:1px solid var(--line);border-bottom:none;border-radius:12px 12px 0 0;padding:8px}
.rtbar button{border:1px solid var(--line);background:#f5f7fb;color:var(--text);border-radius:8px;min-width:38px;height:36px;font-size:14px;padding:0 8px}
.rtbar button:active{background:#e5eafc}
.rtbar select{border:1px solid var(--line);border-radius:8px;height:36px;background:#f5f7fb;color:var(--text);font-size:13px;padding:0 6px}
.rtbar input[type=color]{width:38px;height:36px;border:1px solid var(--line);border-radius:8px;background:#fff;padding:2px}
.editor{min-height:200px;border:1px solid var(--line);border-radius:0 0 12px 12px;padding:13px;background:#fff;color:var(--text);font-size:16px;line-height:1.5;overflow-wrap:break-word}
.editor:focus{outline:none;border-color:var(--accent)}
.editor a{color:var(--accent)}
.editor blockquote{color:#667085}
.attach-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.achip{display:inline-flex;align-items:center;gap:6px;background:#eef2fb;border:1px solid var(--line);border-radius:999px;padding:5px 10px;font-size:13px}
.achip button{border:none;background:none;color:var(--muted);font-size:14px;cursor:pointer}
@media (prefers-color-scheme: dark){
  .rtbar,.editor{background:#1b1f27}
  .rtbar button,.rtbar select{background:#232a35;color:var(--text)}
  .editor{color:var(--text)}
  .achip{background:#232a35}
}

.cardbox{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:14px;margin-bottom:14px;box-shadow:0 1px 4px rgba(20,30,50,.05)}
.cardbox h3{margin:0 0 10px;font-size:15px}
.btn2{margin-top:10px;border:1px solid var(--accent);background:#fff;color:var(--accent);border-radius:12px;padding:12px;font-size:14px;font-weight:700;width:100%}
.copyrow{display:flex;gap:8px;align-items:center;margin:6px 0}
.copyrow code{flex:1}

@media (prefers-color-scheme: dark){
  :root{--bg:#12151b;--panel:#1b1f27;--card:#1b1f27;--text:#e7ebf2;--muted:#93a0b4;--line:#2a3140}
  body{background:linear-gradient(180deg,#161b24 0%, #12151b 240px, #12151b 100%)}
  .searchbar input{background:#232a35;color:var(--text)}
  .tab{background:#232a35;color:var(--text)}
  .msg-body iframe{background:#fff}
  code{background:#232a35;color:#cdd5e2}
  .btn-ghost{background:#2a3140;color:var(--text)}
  .field input,.field textarea,.field select{background:#232a35;color:var(--text)}
  .note-add textarea{background:#232a35;color:var(--text)}
}