:root {
  --bg: #EDEFF0; --paper: #FFFFFF; --ink: #17202A; --mid: #5B6670; --line: #C9CED2; --soft: #E3E6E8;
  --ge: #C8102E; --ge-l: #FBE7EA; --sec: #1F4FA0; --sec-l: #E5ECF8; --warn: #F5C400; --warn-l: #FFF6CC; --ok: #1E7A46; --ok-l: #E3F3EA;
  --nav: #17202A; --nav-2: #25313D;
  --font: "Helvetica Neue", Arial, "Liberation Sans", sans-serif;
  --cond: "Roboto Condensed", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "DejaVu Sans Mono", monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12181F; --paper: #1B232C; --ink: #E7ECF0; --mid: #9AA7B3; --line: #34404B; --soft: #26303A;
    --ge-l: #3A1A20; --sec-l: #1A2A44; --warn-l: #3A3215; --ok-l: #173326; --nav: #0D1217; --nav-2: #1E2832;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { font: 14px/1.45 var(--font); color: var(--ink); background: var(--bg); }
a { color: var(--sec); }
h1 { font-family: var(--cond); font-weight: 700; font-size: 26px; margin: 0; letter-spacing: -.2px; }
h2 { font-family: var(--cond); font-weight: 700; font-size: 18px; margin: 18px 0 8px; }
p { margin: 0 0 8px; }
.muted { color: var(--mid); }
.mono { font-family: var(--mono); font-size: 12.5px; }
.nowrap { white-space: nowrap; }
.klein-text { font-size: 12px; }
:focus-visible { outline: 3px solid var(--warn); outline-offset: 1px; }

/* Rahmen */
.shell { display: flex; min-height: 100vh; }
.nav { width: 210px; flex-shrink: 0; background: var(--nav); color: #C9D1D8; padding: 18px 0; display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; }
.brand { font-family: var(--cond); font-weight: 700; font-size: 20px; color: #fff; padding: 0 18px 14px; border-bottom: 1px solid #2C3844; margin-bottom: 8px; }
.brand small { display: block; font-weight: 400; font-size: 12px; color: #8A97A3; }
.nav a { display: block; padding: 9px 18px; color: #C9D1D8; text-decoration: none; border-left: 3px solid transparent; }
.nav a:hover { background: var(--nav-2); color: #fff; }
.nav a.on { background: var(--nav-2); color: #fff; border-left-color: var(--warn); }
.nav-logout { margin-top: auto; padding: 0 18px; }
.nav-logout button { background: none; border: 0; color: #8A97A3; font: inherit; cursor: pointer; padding: 6px 0; }
.nav-logout button:hover { color: #fff; }
.main { flex: 1; min-width: 0; padding: 22px 28px 40px; }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 14px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.banner { background: var(--warn-l); border-left: 4px solid var(--warn); padding: 8px 12px; margin: -6px 0 14px; font-size: 13px; }
.flash { padding: 9px 12px; border-radius: 4px; margin-bottom: 12px; border-left: 4px solid var(--mid); background: var(--paper); }
.flash-ok { border-color: var(--ok); background: var(--ok-l); }
.flash-fehler { border-color: var(--ge); background: var(--ge-l); }
.flash-info { border-color: var(--sec); background: var(--sec-l); }

/* Bausteine */
.btn { display: inline-block; font: 700 13px/1.2 var(--font); padding: 8px 12px; border-radius: 4px; border: 1px solid var(--line); background: var(--paper); color: var(--ink); text-decoration: none; cursor: pointer; white-space: nowrap; }
.btn:hover { border-color: var(--mid); }
.btn.pri { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn.ge { background: var(--ge); color: #fff; border-color: var(--ge); }
.btn.sec { background: var(--sec); color: #fff; border-color: var(--sec); }
.btn.warn { color: var(--ge); }
.btn.klein { padding: 4px 8px; font-size: 12px; font-weight: 600; }
.btn.block { display: block; width: 100%; text-align: center; padding: 10px; }
.btn:disabled { opacity: .5; cursor: default; }
.tag { display: inline-block; font: 700 11px/1.4 var(--cond); padding: 1px 7px; border-radius: 3px; color: #fff; background: var(--mid); vertical-align: 1px; }
.tag.ge { background: var(--ge); } .tag.sec { background: var(--sec); } .tag.ok { background: var(--ok); } .tag.gr { background: var(--mid); }
.tag.gross { font-size: 14px; padding: 2px 9px; vertical-align: 3px; }
.ph { font-family: var(--mono); font-size: 11px; border: 1px solid var(--line); background: var(--paper); border-radius: 3px; padding: 0 4px; margin-left: 5px; color: var(--ink); white-space: nowrap; }
.ph.leer { color: var(--ge); border-color: transparent; background: none; font-family: var(--font); }
.karte { background: var(--paper); border: 1px solid var(--line); border-radius: 6px; padding: 14px 16px; margin-bottom: 14px; }
.karte.schmal { max-width: 720px; }
.leer { background: var(--paper); border: 1px dashed var(--line); border-radius: 6px; padding: 26px; text-align: center; }
.zwei-spalten { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }

/* Formulare */
input[type=text], input[type=search], input[type=email], input[type=password], input[type=number], input[type=date], input[type=time], select, textarea {
  font: inherit; color: var(--ink); background: var(--paper); border: 1px solid var(--line); border-radius: 4px; padding: 6px 8px; width: 100%; min-height: 34px;
}
textarea { resize: vertical; }
textarea.code, .code-pre { font-family: var(--mono); font-size: 12.5px; line-height: 1.5; }
.mono-input { font-family: var(--mono); font-size: 13px; }
input.zahl { width: 90px; }
.filter { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.filter input[type=search] { flex: 2; min-width: 220px; }
.filter select { flex: 0 1 220px; width: auto; }
.f { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px 12px; }
.f.f6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.fl label { display: block; font-size: 12px; color: var(--mid); margin-bottom: 3px; }
.fl.req > label::after { content: " *"; color: var(--ge); font-weight: 700; }
.fl.hl input, .fl.hl select, .fl.hl textarea, .fl.hl .chips { border-color: var(--warn); box-shadow: 0 0 0 2px var(--warn-l); }
.fl.vorschlag-neu .chips, .fl.vorschlag-neu select, .fl.vorschlag-neu input { animation: blink 1.2s ease-out 1; }
@keyframes blink { from { background: var(--warn-l); } to { background: var(--paper); } }
@media (prefers-reduced-motion: reduce) { .fl.vorschlag-neu * { animation: none !important; } }
.chips { display: flex; flex-wrap: wrap; gap: 6px; border: 1px solid var(--line); border-radius: 4px; padding: 6px; background: var(--paper); min-height: 34px; }
.chip { display: inline-flex; align-items: center; cursor: pointer; }
.chip input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.chip span { border: 1px solid var(--line); border-radius: 14px; padding: 3px 10px; font-size: 12.5px; color: var(--mid); background: var(--bg); }
.chip input:checked + span { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.chip input:focus-visible + span { outline: 3px solid var(--warn); }
.check { display: inline-flex; gap: 6px; align-items: center; color: var(--ink) !important; font-size: 13px !important; cursor: pointer; }
.sect { font-family: var(--cond); font-weight: 700; font-size: 15px; border-bottom: 1px solid var(--line); padding-bottom: 4px; margin: 16px 0 10px; }
.form-spalten { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; background: var(--paper); border: 1px solid var(--line); border-radius: 6px; padding: 4px 18px 18px; }
.form-fuss { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-top: 14px; }
.form-fuss .spacer { flex: 1; }
.legende-hl { background: var(--warn-l); border: 1px solid var(--warn); padding: 0 5px; border-radius: 3px; }

/* Tabellen */
.tabelle-wrap { overflow-x: auto; background: var(--paper); border: 1px solid var(--line); border-radius: 6px; }
table.t { width: 100%; border-collapse: collapse; background: var(--paper); }
table.t th { text-align: left; font: 700 13px var(--cond); color: var(--mid); border-bottom: 2px solid var(--ink); padding: 8px; }
table.t td { border-bottom: 1px solid var(--soft); padding: 7px 8px; vertical-align: middle; }
table.t tr:last-child td { border-bottom: 0; }
table.t th.schmal, table.t td.mitte { width: 90px; text-align: center; }
.zeilen-aktionen form { display: inline; }
td.meldung { font-size: 12px; color: var(--mid); max-width: 420px; }

/* Einstellungen */
.reiter { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 18px; flex-wrap: wrap; }
.reiter a { padding: 8px 12px; text-decoration: none; color: var(--mid); border-bottom: 3px solid transparent; margin-bottom: -1px; font-weight: 600; }
.reiter a.on { color: var(--ink); border-bottom-color: var(--ink); }
.einst-layout { display: grid; grid-template-columns: 260px 1fr; gap: 24px; align-items: start; }
.listen-nav { background: var(--paper); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.listen-nav a { display: flex; justify-content: space-between; padding: 9px 12px; text-decoration: none; color: var(--ink); border-bottom: 1px solid var(--soft); font-size: 13px; }
.listen-nav a span { color: var(--mid); font-size: 12px; }
.listen-nav a.on { background: var(--ink); color: var(--paper); }
.listen-nav a.on span { color: var(--line); }
.einst-layout h2:first-child { margin-top: 0; }
.ph-eingabe { font-family: var(--mono); white-space: nowrap; }
.ph-eingabe input { width: 70px; min-height: 28px; padding: 3px 5px; margin: 0 2px; font-family: var(--mono); }
.hilfe p { margin-top: 6px; font-size: 13px; line-height: 1.9; }

/* E-Mail */
.status-zeile { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; font-size: 13px; }
.hinweis-box { background: var(--warn-l); border: 1px solid var(--warn); padding: 5px 8px; border-radius: 4px; display: inline-flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.mail-layout { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 22px; align-items: start; }
.mail-editor { background: var(--paper); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.mail-kopf { display: grid; grid-template-columns: 70px 1fr; gap: 6px 10px; align-items: center; padding: 12px 14px; border-bottom: 1px solid var(--line); background: var(--bg); }
.mail-kopf label { color: var(--mid); font-size: 13px; }
.mail-kopf.nur-lesen { background: none; border: 1px solid var(--line); border-radius: 4px; margin-bottom: 10px; }
.tabs { display: flex; gap: 2px; padding: 8px 10px 0; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.tab-btn { background: none; border: 0; border-bottom: 3px solid transparent; padding: 7px 12px; font: 600 13px var(--font); color: var(--mid); cursor: pointer; margin-bottom: -1px; }
.tab-btn.on { color: var(--ink); border-bottom-color: var(--ink); }
.tab-panel { display: none; padding: 12px 14px; }
.tab-panel.on { display: block; }
.toolbar { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 8px; }
.toolbar button { font: 13px var(--font); border: 1px solid var(--line); background: var(--paper); color: var(--ink); border-radius: 3px; padding: 4px 8px; cursor: pointer; }
.toolbar button:hover { border-color: var(--mid); }
.toolbar .sep { width: 1px; background: var(--line); margin: 0 4px; }
.editor { min-height: 380px; max-height: 70vh; overflow: auto; border: 1px solid var(--line); border-radius: 4px; padding: 14px; background: #fff; color: #17202A; color-scheme: light; }
.editor:focus { outline: 2px solid var(--warn); }
.editor table { max-width: none; }
iframe.vorschau { width: 100%; height: 320px; border: 1px solid var(--line); border-radius: 4px; background: #fff; }
.code-pre { white-space: pre-wrap; background: var(--bg); border: 1px solid var(--line); border-radius: 4px; padding: 10px; margin-top: 10px; max-height: 340px; overflow: auto; }
.mail-seite .sect:first-child { margin-top: 0; }
.mini { padding: 6px 0; border-bottom: 1px solid var(--soft); font-size: 13px; }

/* Serie */
.serie-log { list-style: none; padding: 0; max-width: 900px; }
.serie-log li { background: var(--paper); border: 1px solid var(--line); border-left: 4px solid var(--ok); border-radius: 4px; padding: 7px 10px; margin-bottom: 6px; font-size: 13px; }
.serie-log li.fehler { border-left-color: var(--ge); }

/* Login */
.login-body { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--nav); }
.login { width: min(380px, 92vw); background: var(--paper); border-radius: 8px; padding: 30px 30px 24px; }
.login h1 { font-size: 30px; }
.login label { display: block; font-size: 12px; color: var(--mid); margin: 18px 0 4px; }
.login .btn { margin-top: 14px; }
.login .hinweis { font-size: 12px; color: var(--mid); margin-top: 18px; text-align: center; }

@media (max-width: 1100px) {
  .form-spalten, .mail-layout, .zwei-spalten, .einst-layout { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .shell { flex-direction: column; }
  .nav { width: auto; height: auto; position: static; flex-direction: row; flex-wrap: wrap; padding: 8px; }
  .brand { border: 0; padding: 4px 10px; margin: 0; width: 100%; }
  .nav a { padding: 6px 10px; border-left: 0; }
  .nav-logout { margin: 0; }
  .main { padding: 16px; }
  .f, .f.f6 { grid-template-columns: 1fr 1fr; }
  .f > .fl { grid-column: span 2 !important; }
}

/* E-Mail-Tabelle */
.klein-reiter { margin-bottom: 0; border-bottom: 0; }
.klein-reiter a { display: inline-flex; gap: 6px; align-items: center; }
.spalten-tabelle td { padding: 5px 8px; }
.spalten-tabelle input[type=text] { min-height: 30px; padding: 4px 7px; }
.sp-zeile.aus td:not(:first-child):not(:nth-child(2)) { opacity: .45; }
input[type=color] { width: 100%; height: 34px; padding: 2px; border: 1px solid var(--line); border-radius: 4px; background: var(--paper); }
.darstellung { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; padding: 10px 14px; border-bottom: 1px solid var(--line); }