:root{--bg:#f5f5f7;--side:#ecedf1;--panel:#fff;--line:#e4e5ea;--text:#1d1d1f;--mute:#6e6e73;--acc:#0a6cff;--acc-t:#fff;--sel:#dce9ff;--hover:#f2f3f6;--bad:#d70015;--ok:#1f9d55;--warn:#d98200;--shadow:0 8px 30px rgba(0,0,0,.14)}
@media(prefers-color-scheme:dark){:root:not([data-theme]){--bg:#1b1b1e;--side:#252528;--panel:#1f1f22;--line:#333338;--text:#f2f2f5;--mute:#9a9aa3;--acc:#4d9bff;--acc-t:#07162b;--sel:#1f3a63;--hover:#2a2a2e;--bad:#ff6b7a;--ok:#4cd68a;--warn:#f0b24f;--shadow:0 8px 30px rgba(0,0,0,.5)}}
:root[data-theme=dark]{--bg:#1b1b1e;--side:#252528;--panel:#1f1f22;--line:#333338;--text:#f2f2f5;--mute:#9a9aa3;--acc:#4d9bff;--acc-t:#07162b;--sel:#1f3a63;--hover:#2a2a2e;--bad:#ff6b7a;--ok:#4cd68a;--warn:#f0b24f;--shadow:0 8px 30px rgba(0,0,0,.5);color-scheme:dark}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{font:14px/1.45 -apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Inter,system-ui,sans-serif;background:var(--panel);color:var(--text);-webkit-text-size-adjust:100%;overflow:hidden}
[hidden]{display:none!important}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:1px solid var(--line);background:var(--panel);border-radius:7px;padding:5px 11px}
button:hover{background:var(--hover)}
button.primary{background:var(--acc);color:var(--acc-t);border-color:var(--acc);font-weight:600}
button.primary:hover{filter:brightness(1.08)}
button.danger{color:var(--bad)}
button.icon{border:0;background:none;padding:5px 9px;font-size:17px}
button.lnk{border:0;background:none;color:var(--acc);padding:2px 4px}
button.lnk:hover{background:none;text-decoration:underline}
button.sm{padding:3px 9px;font-size:12px}
button:disabled{opacity:.5;cursor:default}
input,select,textarea{background:var(--panel);border:1px solid var(--line);border-radius:7px;padding:7px 10px;width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid var(--acc);outline-offset:-1px}
a{color:var(--acc)}
code{font:12.5px ui-monospace,SFMono-Regular,Menlo,monospace}
.err{color:var(--bad);margin:6px 0 0;min-height:1.2em}
.mute{color:var(--mute)}
.ok{color:var(--ok)}
/* Login */
#login{display:grid;place-items:center;min-height:100%;padding:16px;background:var(--bg)}
#loginForm{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:32px 28px;width:min(340px,100%);display:grid;gap:12px;text-align:center;box-shadow:var(--shadow)}
#loginForm h1{margin:0;font-size:22px;font-weight:600}
.logo{width:48px;height:48px;margin:0 auto;fill:var(--acc)}
/* Gerüst */
#app{display:grid;height:100%;grid-template-columns:260px 380px 1fr;grid-template-rows:52px 1fr;grid-template-areas:"n h h" "n l r"}
nav{grid-area:n;background:var(--side);border-right:1px solid var(--line);overflow:auto;padding:12px 8px;display:flex;flex-direction:column;gap:1px}
header{grid-area:h;display:flex;gap:10px;align-items:center;padding:0 14px;border-bottom:1px solid var(--line);background:var(--panel)}
header .menu-btn{display:none}
#searchForm{flex:1;max-width:560px}
#search{background:var(--bg);border-color:transparent;border-radius:9px}
#listPane{grid-area:l;border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0}
#readPane,#adminPane{grid-area:r;overflow:auto;min-width:0}
#adminPane{grid-column:2/4}
#app[data-view=admin] #listPane{display:none}
/* Navigation */
.brand{font-weight:700;font-size:16px;padding:4px 10px 10px;letter-spacing:-.01em}
nav h4{margin:14px 10px 4px;font-size:11px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--mute)}
nav .it{display:flex;align-items:center;gap:8px;width:100%;text-align:left;border:0;background:none;border-radius:7px;padding:6px 10px;white-space:nowrap;color:var(--text)}
nav .it:hover{background:var(--hover)}
nav .it.on{background:var(--sel);font-weight:600}
nav .it .t{flex:1;overflow:hidden;text-overflow:ellipsis}
nav .it .ic{width:16px;text-align:center;color:var(--acc);flex:none}
nav .it.grp{font-weight:600;font-size:13px;padding-left:6px}
nav .it.grp .chev{width:14px;color:var(--mute);font-size:10px;flex:none}
nav .it.sub{padding-left:26px;font-size:13px}
nav .it.fold{padding-left:42px;font-size:13px;color:var(--mute)}
nav .n{font-size:12px;color:var(--mute);font-weight:500}
nav .n.b{color:var(--acc);font-weight:700}
nav .spacer{flex:1;min-height:14px}
nav .foot{border-top:1px solid var(--line);padding-top:8px;margin-top:8px}
/* Liste */
#listBar{padding:10px 12px 8px;border-bottom:1px solid var(--line);display:grid;gap:8px}
#listBar .top{display:flex;align-items:center;gap:6px;min-height:28px}
#listBar b{font-size:16px;margin-right:auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#listBar .seg{display:flex;background:var(--bg);border-radius:8px;padding:2px;gap:2px}
#listBar .seg button{border:0;background:none;flex:1;padding:3px 6px;font-size:12px;border-radius:6px;color:var(--mute)}
#listBar .seg button.on{background:var(--panel);color:var(--text);font-weight:600;box-shadow:0 1px 2px rgba(0,0,0,.12)}
#listBar .bulk{display:flex;gap:5px;flex-wrap:wrap}
#listBar .bulk button{padding:3px 9px;font-size:12px}
#list{overflow:auto;flex:1;overscroll-behavior:contain}
.row{display:grid;grid-template-columns:34px 1fr auto;gap:1px 8px;padding:9px 12px 9px 8px;border-bottom:1px solid var(--line);cursor:pointer;position:relative}
.row:hover{background:var(--hover)}
.row.on{background:var(--sel)}
.row .dot{grid-row:span 3;display:flex;align-items:flex-start;justify-content:center;padding-top:3px}
.row .av{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:600;font-size:13px;position:relative}
.row.unread .av::after{content:"";position:absolute;left:-6px;top:11px;width:8px;height:8px;border-radius:50%;background:var(--acc)}
.row.sel .av{background:var(--acc)!important}
.row .from{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row .date{font-size:12px;color:var(--mute);white-space:nowrap;align-self:center}
.row .subj,.row .prev{grid-column:2/4;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row .prev{color:var(--mute);font-size:13px}
.row .tag{grid-column:2/4;font-size:11px;color:var(--mute);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row.unread .from,.row.unread .subj{font-weight:600}
.row .fl{color:#f5a800}
.more{padding:14px;text-align:center}
.empty{display:grid;place-items:center;height:100%;color:var(--mute);padding:30px;text-align:center}
/* Lesebereich */
.msg{padding:0 24px 40px;max-width:920px}
.toolbar{display:flex;gap:4px;flex-wrap:wrap;align-items:center;position:sticky;top:0;background:var(--panel);padding:10px 0;z-index:2;border-bottom:1px solid var(--line);margin-bottom:14px}
.toolbar button,.toolbar select{padding:4px 9px;font-size:13px;width:auto;border-color:transparent;background:var(--bg);border-radius:7px}
.toolbar button:hover{background:var(--sel)}
.toolbar .sp{flex:1}
.toolbar .back{display:none}
.msg h2{margin:0 0 12px;font-size:20px;line-height:1.3;font-weight:600;overflow-wrap:anywhere}
.msg .who{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px}
.msg .who .av{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:600;flex:none}
.msg .who .l{min-width:0;font-size:13px;color:var(--mute);overflow-wrap:anywhere}
.msg .who .l b{color:var(--text);font-size:14px}
.msg .who .d{margin-left:auto;font-size:12px;color:var(--mute);white-space:nowrap;text-align:right}
.body-text{white-space:pre-wrap;overflow-wrap:anywhere;font-size:15px}
iframe.html{width:100%;border:0;display:block;min-height:60px;background:#fff;border-radius:6px}
.banner{background:var(--bg);border-radius:8px;padding:8px 12px;font-size:13px;display:flex;gap:10px;align-items:center;margin-bottom:10px;flex-wrap:wrap}
.atts{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.atts a{border:1px solid var(--line);border-radius:8px;padding:6px 10px;text-decoration:none;color:var(--text);font-size:13px}
.atts a:hover{background:var(--hover)}
/* Schreiben */
#composeWrap{position:fixed;right:24px;bottom:0;z-index:20;width:min(620px,100%)}
#compose{background:var(--panel);border:1px solid var(--line);border-bottom:0;border-radius:12px 12px 0 0;box-shadow:var(--shadow);padding:8px 14px 12px;display:grid;gap:4px;max-height:92vh;overflow:auto}
#compose label{display:grid;grid-template-columns:62px 1fr;align-items:center;gap:6px;color:var(--mute);font-size:13px;border-bottom:1px solid var(--line)}
#compose label.btn{display:inline-block;border:1px solid var(--line);border-radius:7px;padding:5px 11px;color:var(--text);cursor:pointer}
#compose label input,#compose label select{background:transparent;border:0;border-radius:0;padding:7px 4px}
#compose label input:focus,#compose label select:focus{outline:0}
#compose textarea{min-height:260px;resize:vertical;border:0;padding:8px 2px;font-size:14.5px}
#compose textarea:focus{outline:0}
#ccRow{display:grid}
#ccToggle{font-size:12px;justify-self:end}
.c-head{display:flex;gap:10px;align-items:center;padding:2px 0 4px}
.c-head b{flex:0 0 auto}.c-head span{flex:1;font-size:12px}
.c-foot{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding-top:6px}
#cAtt{display:flex;gap:6px;flex-wrap:wrap}
#cAtt span{background:var(--bg);border-radius:99px;padding:2px 10px;font-size:12.5px}
#cAtt span button{border:0;background:none;padding:0 0 0 6px;color:var(--mute)}
#toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:#2a2a2e;color:#fff;padding:9px 16px;border-radius:99px;z-index:50;max-width:90%;cursor:pointer;box-shadow:var(--shadow)}
#help{position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:60;display:grid;place-items:center}
#help .box{background:var(--panel);border-radius:14px;padding:18px 24px;box-shadow:var(--shadow);max-width:92%;line-height:1.9}
#help kbd{background:var(--bg);border:1px solid var(--line);border-radius:5px;padding:1px 7px;font:12px ui-monospace,monospace;margin-right:6px}
/* Verwaltung */
.admin{padding:22px 28px 60px;max-width:1040px;margin:0 auto}
.admin h2{margin:0;font-size:22px;font-weight:600}
.admin h3{margin:0 0 8px;font-size:15px}
.adm-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.crumb{font-size:13px;margin-bottom:8px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px;margin-bottom:18px}
.stat{background:var(--bg);border-radius:12px;padding:12px 14px}
.stat b{display:block;font-size:22px;font-weight:600}
.stat span{color:var(--mute);font-size:12px}
.card{border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin:12px 0;background:var(--panel)}
table.tbl{width:100%;border-collapse:collapse}
.tbl th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--mute);font-weight:600;padding:6px 8px;border-bottom:1px solid var(--line)}
.tbl td{padding:10px 8px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl tr.click{cursor:pointer}
.tbl tr.click:hover{background:var(--hover)}
.lamp{display:inline-block;width:11px;height:11px;border-radius:50%;background:var(--bad);vertical-align:middle;margin-right:6px}
.lamp.ok{background:var(--ok)}.lamp.teilweise{background:var(--warn)}
.bar{height:6px;background:var(--bg);border-radius:9px;overflow:hidden;min-width:70px}
.bar i{display:block;height:100%;background:var(--acc);border-radius:9px}
.bar i.hot{background:var(--warn)}
small{color:var(--mute);font-size:12px}
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);margin:4px 0 14px;flex-wrap:wrap}
.tabs button{border:0;border-bottom:2px solid transparent;border-radius:0;background:none;padding:8px 14px;color:var(--mute)}
.tabs button.on{color:var(--text);border-color:var(--acc);font-weight:600}
.form-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin:8px 0}
.form-row>input,.form-row>select{width:auto;flex:1;min-width:130px}
.at{display:flex;align-items:center;gap:4px;flex:1;min-width:220px}
.at input{flex:1;min-width:80px}.at span{color:var(--mute);white-space:nowrap}
.box-line{display:grid;grid-template-columns:minmax(0,1fr) 160px auto;gap:6px 14px;align-items:center;padding:11px 0;border-top:1px solid var(--line)}
.box-line:first-of-type{border-top:0}
.box-line .a{min-width:0;overflow-wrap:anywhere}
.box-line .al{font-size:12.5px;color:var(--mute)}
.panel{grid-column:1/-1;background:var(--bg);border-radius:10px;padding:12px 14px;display:grid;gap:14px}
.panel h4{margin:0 0 4px;font-size:13px}
.panel textarea,.panel input,.panel select{background:var(--panel)}
.panel .sec{display:grid;gap:6px}
.pwbox{background:var(--sel);border-radius:10px;padding:10px 14px;margin:10px 0;overflow-wrap:anywhere}
.pwbox code{font-size:15px;font-weight:600;margin:0 8px;user-select:all}
.rec{display:grid;grid-template-columns:auto 62px minmax(100px,230px) 1fr auto;gap:6px 10px;align-items:start;padding:9px 0;border-top:1px solid var(--line);font-size:13px}
.rec:first-of-type{border-top:0}
.rec code{overflow-wrap:anywhere;background:var(--bg);padding:3px 7px;border-radius:6px;display:block}
.rec .f{grid-column:2/-1;font-size:12px;color:var(--mute);overflow-wrap:anywhere}
.danger-zone{border-color:var(--bad)}
@media(max-width:1000px){
  #app{grid-template-columns:1fr;grid-template-rows:52px 1fr;grid-template-areas:"h" "l"}
  #nav{position:fixed;left:0;top:0;bottom:0;width:290px;z-index:30;transform:translateX(-102%);transition:transform .2s;padding-top:calc(12px + env(safe-area-inset-top))}
  #app.menu #nav{transform:none;box-shadow:var(--shadow)}
  .scrim{display:none}
  #app.menu .scrim{display:block;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:25}
  header .menu-btn{display:block}
  .compose-btn span{display:none}
  #readPane,#adminPane{display:none;grid-area:l;grid-column:1}
  #app[data-view=read] #readPane{display:block}
  #app[data-view=admin] #adminPane{display:block}
  #app[data-view=read] #listPane,#app[data-view=admin] #listPane{display:none}
  .toolbar .back{display:inline-block}
  .msg{padding:0 14px 40px}
  #composeWrap{right:0;top:0}
  #compose{border-radius:0;height:100%;max-height:100%}
  #compose label{grid-template-columns:1fr}
  .admin{padding:14px 14px 60px}
  .box-line{grid-template-columns:1fr}
  .rec{grid-template-columns:auto 52px 1fr}
  .rec>div:nth-child(3){grid-column:3}
  .rec>code{grid-column:2/-1}
  .tbl .hide-m{display:none}
}

/* Marken-Icons */
.bi{display:inline-grid;place-items:center;width:var(--s,20px);height:var(--s,20px);border-radius:calc(var(--s,20px)*.27);color:#fff;font-size:calc(var(--s,20px)*.52);position:relative;overflow:hidden;flex:none;vertical-align:middle;line-height:1}
.bi b{font-weight:700}
.bi img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#fff;padding:1px}
nav .it .bi{margin-right:-2px}
nav .it.grp .bi{margin-left:-2px}
.row .tag{display:flex;align-items:center;gap:5px}
.chipb{display:inline-flex;align-items:center;gap:5px;background:var(--bg);border-radius:99px;padding:1px 8px 1px 3px;vertical-align:middle}
.fromw{display:flex;align-items:center;gap:6px}
.fromw select{flex:1}
.dn{display:flex;align-items:center;gap:10px}
.brand-card .bc-top{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.bname{font-size:16px;font-weight:600;flex:1;min-width:0}
.dchips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:6px}
.dchip{background:var(--bg);border-radius:99px;padding:3px 4px 3px 12px;display:inline-flex;align-items:center;gap:6px;font-size:13px}
.dchip select{width:auto;padding:2px 4px;font-size:12px;border:0;background:var(--panel);border-radius:99px;color:var(--mute)}
label.btn{display:inline-block;border:1px solid var(--line);border-radius:7px;padding:5px 11px;cursor:pointer;background:var(--panel)}
label.btn:hover{background:var(--hover)}

/* Zähler */
nav .cnt{display:inline-flex;align-items:center;gap:6px;flex:none}
nav .cnt small{color:var(--mute);font-size:11px;min-width:14px;text-align:right}
nav .pill{background:var(--acc);color:var(--acc-t);border-radius:99px;padding:0 7px;font-size:12px;font-weight:700;line-height:18px;min-width:20px;text-align:center}
nav .cnt.flash .pill,nav .cnt.flash small{animation:pulse 1s ease-in-out 3}
nav .cnt.flash .pill{box-shadow:0 0 0 0 var(--acc)}
@keyframes pulse{0%{transform:scale(1);box-shadow:0 0 0 0 color-mix(in srgb,var(--acc) 60%,transparent)}50%{transform:scale(1.25);box-shadow:0 0 0 6px transparent}100%{transform:scale(1)}}

/* ===== 4 Spalten: Marken | Adressen | Nachrichten | Lesen ===== */
#app{--rail:96px;--wa:250px;--wl:370px;position:relative;grid-template-columns:var(--rail) var(--wa) var(--wl) minmax(0,1fr);grid-template-rows:58px 1fr;grid-template-areas:"r h h h" "r a l v"}
header{grid-area:h}
header .compose-btn{padding:8px 18px;font-size:14px;border-radius:9px}
#listPane{grid-area:l}
#readPane{grid-area:v}
#adminPane{grid-area:a;grid-column:2/-1}
#app[data-view=admin] #accts{display:none}
#rail{grid-area:r;grid-row:1/3;background:var(--side);border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0;padding:10px 6px 8px}
#rail .brand{font-size:12px;text-align:center;padding:2px 0 10px;color:var(--mute);letter-spacing:.02em}
.rail-list{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:6px;scrollbar-width:thin;padding:6px 0}
.rb{display:flex;flex-direction:column;align-items:center;gap:5px;border:0;background:none;border-radius:14px;padding:8px 4px 6px;width:100%;color:var(--text)}
.rb:hover{background:var(--hover)}
.rb.on{background:var(--sel)}
.rb .rbi{position:relative;display:block}
.rb .rbn{font-size:11.5px;max-width:84px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;line-height:1.2;font-weight:500}
.rb.on .rbn{font-weight:700}
.rb .bi{border-radius:13px}
.rb .bi.all{background:var(--acc)}
.pill{background:var(--acc);color:var(--acc-t);border-radius:99px;padding:0 7px;font-size:12px;font-weight:700;line-height:19px;min-width:20px;text-align:center;display:inline-block}
.rbi .pill{position:absolute;top:-6px;right:-10px;border:2px solid var(--side);line-height:15px;background:#e5322d;color:#fff}
.pill.flash,.cnt.flash .pill{animation:pulse 1s ease-in-out 3}
.rail-foot{border-top:1px solid var(--line);padding-top:8px;display:flex;flex-wrap:wrap;gap:4px;justify-content:center}
.rail-foot .ri{width:38px;height:34px;padding:0;font-size:16px;border:0;background:none;border-radius:9px}
.rail-foot .ri:hover,.rail-foot .ri.on{background:var(--sel)}
.sortb{border:1px solid var(--line);background:var(--panel);font-size:11px;padding:2px 8px;border-radius:99px;width:100%;margin-bottom:4px;color:var(--mute)}
.sortb.sm{width:auto;margin:0}
#accts{grid-area:a;background:var(--side);border-right:1px solid var(--line);overflow:auto;padding:12px 8px;display:flex;flex-direction:column;gap:1px;min-width:0}
#accts .ah{display:flex;align-items:center;gap:10px;padding:2px 8px 4px;font-size:17px}
#accts .ah2{padding:0 8px 4px}
#accts h4{display:flex;align-items:center;justify-content:space-between;margin:14px 8px 4px;font-size:11px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--mute)}
#accts .it{display:flex;align-items:center;gap:8px;width:100%;text-align:left;border:0;background:none;border-radius:8px;padding:7px 10px;white-space:nowrap;color:var(--text)}
#accts .it:hover{background:var(--hover)}
#accts .it.on{background:var(--sel);font-weight:600}
#accts .it .t{flex:1;overflow:hidden;text-overflow:ellipsis}
#accts .it .ic{width:16px;text-align:center;color:var(--acc);flex:none}
#accts .it.addr{font-size:13px}
#accts .newaddr{color:var(--acc);font-weight:600}
#accts .cnt{display:inline-flex;align-items:center;gap:6px;flex:none}
#accts .cnt small{color:var(--mute);font-size:11px;min-width:14px;text-align:right}
.rz{position:absolute;top:58px;bottom:0;width:8px;cursor:col-resize;z-index:6}
.rz:hover{background:linear-gradient(90deg,transparent 3px,var(--acc) 3px,var(--acc) 5px,transparent 5px)}
.rz[data-rz=acct]{left:calc(var(--rail) + var(--wa) - 4px)}
.rz[data-rz=list]{left:calc(var(--rail) + var(--wa) + var(--wl) - 4px)}
#app[data-view=admin] .rz{display:none}
.mback{display:none}
#modal{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:70;display:grid;place-items:center;padding:16px}
#modal .box{background:var(--panel);border-radius:14px;padding:16px 20px 18px;width:min(460px,100%);box-shadow:var(--shadow)}
#modal .at{display:flex;align-items:center;gap:6px;width:100%}
#modal .form-row>select{flex:1}
@media(max-width:1000px){
  #app{grid-template-columns:minmax(0,1fr);grid-template-rows:54px 1fr;grid-template-areas:"h" "m"}
  #rail,#accts,#listPane,#readPane,#adminPane{grid-area:m;grid-column:1;display:none;border:0}
  #app[data-view=brands] #rail{display:flex;grid-row:2}
  #app[data-view=accts] #accts{display:flex;grid-row:2;background:var(--panel)}
  #app[data-view=list] #listPane{display:flex}
  #app[data-view=read] #readPane{display:block}
  #app[data-view=admin] #adminPane{display:block}
  #app[data-view=brands] header,#app[data-view=brands]{}
  .rz{display:none}
  .mback{display:inline-block;font-size:26px;line-height:1;padding:0 8px 2px 0}
  header .menu-btn{display:block}
  .rail-list{gap:2px}
  .rb{flex-direction:row;gap:14px;padding:10px 12px;border-radius:12px;justify-content:flex-start}
  .rb .rbn{font-size:16px;max-width:none;flex:1;text-align:left}
  .rb{position:relative}
  .rb .rbi{position:static;display:flex;align-items:center}
  .rbi .pill{position:absolute;right:12px;top:50%;transform:translateY(-50%);border:0;line-height:19px;background:var(--acc);color:var(--acc-t)}
  #rail{padding:8px 12px;background:var(--panel)}
  #rail .brand{text-align:left;font-size:18px;color:var(--text);font-weight:700;padding:4px 4px 8px}
  .rail-foot{justify-content:flex-start}
  .rail-foot .sortb{width:auto;margin:0 8px 0 0}
  #accts{padding:12px 14px}
  #accts .it{padding:11px 10px;font-size:15px}
  #accts .ah{font-size:19px}
  .compose-btn span{display:inline}
  .toolbar .back{display:inline-block}
  #composeWrap{right:0;top:0}
}

/* ===== Feinschliff: größer, Dichte, Skeletons, Übergänge ===== */
:root{--dens:1}
#app{--rail:136px;--wa:290px;--wl:390px}
.rz[data-rz=rail]{left:calc(var(--rail) - 4px)}
.rb{padding:calc(10px*var(--dens)) 6px calc(8px*var(--dens));gap:6px}
.rb .rbn{white-space:normal;max-width:122px;font-size:12px;line-height:1.25;text-align:center;overflow-wrap:anywhere;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.rb .bi{border-radius:16px;box-shadow:0 2px 6px rgba(0,0,0,.18)}
.rbi .pill{top:-7px;right:-12px}
.rail-list{gap:calc(6px*var(--dens))}
#accts{padding:14px 10px}
#accts .it{padding:calc(9px*var(--dens)) 12px;font-size:14.5px;border-radius:10px}
#accts .it.addr{font-size:13.5px}
#accts .ah{font-size:19px;gap:12px}
.row{padding:calc(12px*var(--dens)) 14px calc(12px*var(--dens)) 10px;gap:calc(2px*var(--dens)) 10px}
.bi svg{width:62%;height:62%}
.bi b{font-size:1em;letter-spacing:-.02em}
.bi{box-shadow:inset 0 0 0 1px rgba(255,255,255,.12)}
.rb .bi.all{background:linear-gradient(145deg,var(--acc),color-mix(in srgb,var(--acc) 65%,#7a5cff))}
.rb .bi.all b{font-size:26px}
/* weiche Übergänge */
.rb,#accts .it,.row,.toolbar button,.sortb{transition:background-color .14s,transform .1s,box-shadow .14s}
.rb:active{transform:scale(.97)}
#readPane>.msg{animation:fadein .16s ease-out}
@keyframes fadein{from{opacity:0;transform:translateY(3px)}to{opacity:1;transform:none}}
#list .row{animation:fadein .12s ease-out}
/* Skeletons */
.sk{display:block;height:11px;border-radius:6px;background:linear-gradient(90deg,var(--hover) 25%,var(--line) 37%,var(--hover) 63%);background-size:400% 100%;animation:shimmer 1.3s ease infinite;margin:6px 0}
.sk.av{width:30px;height:30px;border-radius:50%;margin:2px 0}
.sk.l2{width:75%;height:12px}
.skel-row{display:grid;grid-template-columns:38px 1fr;gap:8px;padding:calc(12px*var(--dens)) 14px 12px 10px;border-bottom:1px solid var(--line)}
.skel-msg{padding-top:22px}
@keyframes shimmer{0%{background-position:100% 50%}100%{background-position:0 50%}}
.seg2{display:inline-flex;background:var(--bg);border-radius:9px;padding:2px;gap:2px}
.seg2 button{border:0;background:none;padding:4px 12px;border-radius:7px;color:var(--mute)}
.seg2 button.on{background:var(--panel);color:var(--text);font-weight:600;box-shadow:0 1px 2px rgba(0,0,0,.15)}
@media(max-width:1000px){
  .rb{padding:calc(10px*var(--dens)) 12px}
  .rb .rbn{max-width:none;text-align:left;font-size:16px;-webkit-line-clamp:1}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ===== Politur: ruhig, luftig, Overlay-Scrollbars ===== */
:root{--bg:#f4f5f8;--side:#eceef3;--panel:#fff;--line:rgba(60,64,80,.11);--hover:rgba(60,64,80,.06);--sel:rgba(10,108,255,.12);--text:#1c1d22;--mute:#717583;--sb:rgba(90,95,110,.5);--shadow:0 10px 36px rgba(20,24,40,.14),0 1px 3px rgba(20,24,40,.08);--glass:rgba(255,255,255,.78)}
@media(prefers-color-scheme:dark){:root:not([data-theme]){--bg:#1c1c20;--side:#25252a;--panel:#202024;--line:rgba(255,255,255,.085);--hover:rgba(255,255,255,.06);--sel:rgba(90,160,255,.2);--text:#ececf1;--mute:#9a9ca8;--sb:rgba(215,218,230,.38);--shadow:0 12px 40px rgba(0,0,0,.5),0 1px 3px rgba(0,0,0,.4);--glass:rgba(32,32,36,.76)}}
:root[data-theme=dark]{--bg:#1c1c20;--side:#25252a;--panel:#202024;--line:rgba(255,255,255,.085);--hover:rgba(255,255,255,.06);--sel:rgba(90,160,255,.2);--text:#ececf1;--mute:#9a9ca8;--sb:rgba(215,218,230,.38);--shadow:0 12px 40px rgba(0,0,0,.5),0 1px 3px rgba(0,0,0,.4);--glass:rgba(32,32,36,.76);color-scheme:dark}
body{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display",Inter,"Segoe UI",system-ui,sans-serif;-webkit-font-smoothing:antialiased;letter-spacing:-.011em;font-size:14px}
*{scrollbar-width:thin;scrollbar-color:transparent transparent}
.is-scrolling,#list:hover,#accts:hover,#readPane:hover,#adminPane:hover,#compose:hover{scrollbar-color:var(--sb) transparent}
.rail-list,#rail{scrollbar-width:none}
.rail-list::-webkit-scrollbar{display:none}
::-webkit-scrollbar{width:9px;height:9px;background:transparent}
::-webkit-scrollbar-thumb{background:transparent;border-radius:9px;border:2.5px solid transparent;background-clip:padding-box}
.is-scrolling::-webkit-scrollbar-thumb,*:hover::-webkit-scrollbar-thumb{background-color:var(--sb)}
svg.i{width:18px;height:18px;flex:none;vertical-align:-4px}
.bi svg.i{width:62%;height:62%;vertical-align:baseline}
button{border-radius:9px;border-color:var(--line);transition:background-color .15s,border-color .15s,transform .1s,box-shadow .15s}
button.primary{box-shadow:0 1px 2px rgba(10,108,255,.35),0 4px 12px rgba(10,108,255,.2)}
input,select,textarea{border-radius:9px;border-color:var(--line);transition:border-color .15s,background-color .15s}
/* Gerüst: ohne feste Kopfleiste am Desktop */
header{display:none}
@media(min-width:1001px){
  #app{grid-template-rows:1fr;grid-template-areas:"r a l v"}
  #rail{grid-row:1}
  .rz{top:0}
}
#rail,#accts{border-right:1px solid var(--line)}
#rail .brand{font-size:11px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:var(--mute);padding:6px 0 12px}
.rb{border-radius:16px}
.rb.on{background:var(--sel)}
.rb:hover:not(.on){background:var(--hover)}
.rail-foot .ri{color:var(--mute)}
.rail-foot .ri:hover,.rail-foot .ri.on{color:var(--acc);background:var(--sel)}
.rail-foot .ri svg.i{width:19px;height:19px;vertical-align:middle}
.sortb{display:inline-flex;align-items:center;justify-content:center;gap:5px;border-color:transparent;background:var(--hover);color:var(--mute)}
.sortb svg.i{width:13px;height:13px;vertical-align:middle}
#accts{padding:16px 10px 20px;gap:2px}
#accts .ah{padding:2px 8px 8px}
#accts .newmail{margin:6px 6px 8px;padding:10px 14px;display:flex;align-items:center;justify-content:center;gap:8px;font-size:14px;border-radius:11px}
#accts .newmail svg.i{width:17px;height:17px;vertical-align:middle}
#accts h4{margin:18px 10px 6px}
#accts .it{border-radius:10px;gap:11px;transition:background-color .15s}
#accts .it .ic{width:18px;height:18px;display:grid;place-items:center;color:var(--mute)}
#accts .it .ic svg.i{width:17px;height:17px;vertical-align:middle}
#accts .it.on .ic{color:var(--acc)}
#accts .it.on{background:var(--sel);font-weight:600}
#accts .it.newaddr .ic{color:var(--acc)}
.pill{box-shadow:0 1px 2px rgba(0,0,0,.18)}
/* Liste */
#listPane{border-right:1px solid var(--line)}
#listBar{background:var(--glass);backdrop-filter:blur(18px) saturate(1.6);-webkit-backdrop-filter:blur(18px) saturate(1.6);border-bottom:1px solid var(--line);padding:12px 14px 10px;gap:9px;position:relative;z-index:3}
#listBar .top{gap:4px;min-height:34px}
#listBar b{font-size:17px;font-weight:700;letter-spacing:-.02em}
.ib{width:32px;height:32px;padding:0;border:0;background:none;border-radius:9px;color:var(--mute);display:grid;place-items:center}
.ib:hover{background:var(--hover);color:var(--text)}
.ib svg.i{vertical-align:middle}
.sbox{display:flex;align-items:center;gap:6px;flex:1;background:var(--hover);border-radius:10px;padding:0 4px 0 11px;color:var(--mute);animation:fadein .15s ease-out}
.sbox input{border:0;background:transparent;padding:8px 2px;flex:1;font-size:14.5px;outline:0!important}
.sbox .icon{padding:5px 7px}
.sbox .icon svg.i{width:15px;height:15px;vertical-align:middle}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{border:0;background:var(--hover);color:var(--mute);border-radius:99px;padding:3px 12px;font-size:12px;font-weight:500}
.chip:hover{background:var(--sel);color:var(--text)}
.chip.on{background:var(--acc);color:var(--acc-t)}
#listBar .bulk button{display:inline-flex;align-items:center;gap:5px;border-color:transparent;background:var(--hover)}
#listBar .bulk svg.i{width:15px;height:15px;vertical-align:middle}
#list{padding:4px 6px 14px}
.row{border:0;border-radius:11px;margin:1px 0;padding:calc(11px*var(--dens)) 12px calc(11px*var(--dens)) 10px;transition:background-color .14s}
.row::after{content:"";position:absolute;left:54px;right:10px;bottom:-1px;height:1px;background:var(--line)}
.row:hover{background:var(--hover)}
.row.on{background:var(--sel)}
.row.on::after,.row:hover::after,.row.on+.row::after{opacity:0}
.row .from{font-weight:600;font-size:14.5px;letter-spacing:-.015em}
.row.unread .from{font-weight:700}
.row .subj{font-size:13.5px;color:var(--text)}
.row.unread .subj{font-weight:600}
.row .prev{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:var(--mute);font-size:13px;line-height:1.4}
.row .date{display:flex;align-items:center;gap:5px;font-size:12px}
.row .date svg.i{width:13px;height:13px;vertical-align:middle}
.row .fl svg.f{fill:#f5a800;stroke:#f5a800}
.row .av svg.i{width:16px;height:16px;vertical-align:middle}
.row.unread .av::after{left:-7px;box-shadow:0 0 0 2px var(--panel)}
.row.sel .av{background:var(--acc)!important}
.row .tag{margin-top:2px}
.more{padding:16px}
/* Lesebereich */
#readPane,#adminPane{background:var(--panel)}
.msg{padding:0 34px 56px}
.toolbar{background:var(--glass);backdrop-filter:blur(18px) saturate(1.6);-webkit-backdrop-filter:blur(18px) saturate(1.6);border-bottom:1px solid var(--line);margin:0 -34px 20px;padding:10px 28px;gap:2px}
.toolbar button,.toolbar select{border:0;background:none;color:var(--mute);border-radius:9px;padding:6px 9px;display:inline-flex;align-items:center;gap:6px;font-size:13px;min-height:32px;width:auto}
.toolbar button:hover,.toolbar select:hover{background:var(--hover);color:var(--text)}
.toolbar button.danger{color:var(--mute)}
.toolbar button.danger:hover{color:var(--bad);background:rgba(215,0,21,.09)}
.toolbar button.starred{color:#f5a800}
.toolbar svg.i.fill{fill:#f5a800}
.toolbar select{padding-right:4px}
.toolbar .lb{font-weight:500}
.msg h2{font-size:23px;font-weight:700;letter-spacing:-.022em;margin-bottom:16px}
.msg .who{gap:14px;margin-bottom:20px}
.msg .who .av{width:44px;height:44px;font-size:17px}
.msg .who .l{line-height:1.55}
.body-text{font-size:15px;line-height:1.6}
.atts a{border-radius:11px;display:inline-flex;align-items:center;gap:7px;border-color:var(--line)}
.atts svg.i{width:15px;height:15px;vertical-align:middle}
.banner{border-radius:11px;background:var(--hover)}
.chipb{background:var(--hover)}
/* Schreiben / Dialoge */
#composeWrap{width:min(660px,100%)}
#compose{border-radius:16px 16px 0 0;border:1px solid var(--line);background:var(--glass);backdrop-filter:blur(24px) saturate(1.6);-webkit-backdrop-filter:blur(24px) saturate(1.6);box-shadow:var(--shadow);padding:10px 18px 16px;animation:fadein .18s ease-out}
#compose label{border-bottom:1px solid var(--line)}
#modal .box,#help .box{border-radius:16px;box-shadow:var(--shadow)}
.card{border:1px solid var(--line);border-radius:14px;box-shadow:0 1px 2px rgba(20,24,40,.04)}
.tbl th,.tbl td{border-color:var(--line)}
.admin{padding:30px 34px 70px}
.stat{border-radius:14px;background:var(--hover)}
#toast{background:rgba(30,30,36,.92);backdrop-filter:blur(12px);border-radius:99px;padding:10px 18px}
.skel-row{border-bottom:0}
.empty{font-size:14px}
/* Handy */
@media(max-width:1000px){
  header{display:flex;background:var(--glass);backdrop-filter:blur(18px) saturate(1.6);-webkit-backdrop-filter:blur(18px) saturate(1.6);border-bottom:1px solid var(--line);padding:0 12px;gap:8px;z-index:4}
  header .htitle{flex:1;font-size:17px;letter-spacing:-.02em}
  header .compose-btn{border-radius:99px;padding:7px 14px}
  #accts .newmail{margin:4px 2px 8px}
  .msg{padding:0 16px 48px}
  .toolbar{margin:0 -16px 16px;padding:8px 10px;overflow-x:auto;flex-wrap:nowrap;scrollbar-width:none}
  .toolbar button,.toolbar select{flex:none}
  .admin{padding:16px 14px 60px}
  .mback svg.i{width:24px;height:24px;vertical-align:middle}
  .mback{padding:2px 6px 2px 0}
  #listBar{padding:10px 12px 8px}
}
.toolbar [data-act=mark] .lb{display:none}
@media(max-width:1000px){.msg .who{flex-wrap:wrap;gap:4px 12px}.msg .who .l{flex:1;min-width:0}.msg .who .d{flex-basis:100%;margin:0 0 0 56px;text-align:left}}
input[type=search]::-webkit-search-cancel-button,input[type=search]::-webkit-search-decoration{-webkit-appearance:none;display:none}

:root[data-theme=light]{color-scheme:light}
.chk{display:flex;gap:8px;align-items:flex-start;margin:8px 0;font-size:13px;line-height:1.35}.chk[hidden]{display:none}.chk input{margin-top:3px}
.it.addr .als{margin-left:6px;padding:1px 6px;border-radius:9px;background:var(--hover);color:var(--mute);font-size:10.5px;font-weight:600;vertical-align:1px}