/* FISI Lernwerk – gemeinsame Oberfläche für Lernwerk, Anmeldung und Zentrale (ab 2.1.0).
   Identische Kopie in zentrale/public/ui.css – nur gemeinsam ändern (test/scripts.test.js prüft das).
   Farben: Text mindestens 7:1 (--ink) bzw. 4.5:1 (--ink-2) auf allen Flächen, Bedienelemente mit Rahmen ≥ 3:1 (--line-strong).
   Heller und dunkler Modus folgen der Systemeinstellung; data-theme="light|dark" am <html> erzwingt einen Modus. */
:root{
  --bg:#E8EDEB; --surface:#FFFFFF; --surface-2:#E0E7E4; --surface-3:#D0DAD6; --ink:#0B141C; --ink-2:#35434F; --ink-3:#5A6874;
  --line:#BAC7C2; --line-strong:#7F908A;
  --accent:#1A55C4; --accent-soft:#D6E3FA; --accent-ink:#FFFFFF;
  --cable:#A86F00; --cable-soft:#F5E4BF;
  --ok:#136B45; --ok-soft:#D0ECDD; --warn:#8A5207; --warn-soft:#F5E0BD; --bad:#AE2C26; --bad-soft:#F6D7D4;
  --term-bg:#0B141B; --term-ink:#D6E9DF; --term-dim:#8BA3AF; --term-hi:#F4BF4F;
  --shadow:0 1px 2px rgba(11,20,28,.07),0 3px 10px rgba(11,20,28,.05);
  --display:"Bricolage Grotesque","Segoe UI",system-ui,sans-serif;
  --body:"Source Sans 3","Segoe UI",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Consolas,monospace;
  --r:12px; --r-s:8px;
  --side-w:240px; --side-w-c:68px;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --bg:#080C10; --surface:#121A20; --surface-2:#1B252D; --surface-3:#26323C; --ink:#F3F7F6; --ink-2:#B8C6CE; --ink-3:#8D9DA8;
    --line:#33424C; --line-strong:#5D707D;
    --accent:#8DB5FF; --accent-soft:#1A3058; --accent-ink:#07101A;
    --cable:#F4BF4F; --cable-soft:#3A2E12;
    --ok:#5FD6A2; --ok-soft:#133727; --warn:#F2BA5C; --warn-soft:#3C2E12; --bad:#FF8C82; --bad-soft:#461F1C;
    --term-bg:#04080B;
    --shadow:0 1px 0 rgba(255,255,255,.03),0 4px 14px rgba(0,0,0,.35);
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --bg:#080C10; --surface:#121A20; --surface-2:#1B252D; --surface-3:#26323C; --ink:#F3F7F6; --ink-2:#B8C6CE; --ink-3:#8D9DA8;
  --line:#33424C; --line-strong:#5D707D;
  --accent:#8DB5FF; --accent-soft:#1A3058; --accent-ink:#07101A;
  --cable:#F4BF4F; --cable-soft:#3A2E12;
  --ok:#5FD6A2; --ok-soft:#133727; --warn:#F2BA5C; --warn-soft:#3C2E12; --bad:#FF8C82; --bad-soft:#461F1C;
  --term-bg:#04080B;
  --shadow:0 1px 0 rgba(255,255,255,.03),0 4px 14px rgba(0,0,0,.35);
}

/* ---------- Grundlagen ---------- */
*{box-sizing:border-box}
html,body{margin:0}
html{background:var(--bg)}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:var(--display);line-height:1.15;text-wrap:balance;margin:0;color:var(--ink)}
h1{font-size:clamp(1.6rem,3.4vw,2.2rem);font-weight:700;letter-spacing:-.01em}
h2{font-size:1.3rem;font-weight:700}
h3{font-size:1.05rem;font-weight:700}
p{margin:0}
b,strong{font-weight:700}
a{color:var(--accent);text-underline-offset:2px}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
::selection{background:var(--accent);color:var(--accent-ink)}
.mono{font-family:var(--mono)}
.muted{color:var(--ink-2)}
.hint{font-size:.9rem;color:var(--ink-2)}
.eyebrow{font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2);font-weight:700}
.skip{position:absolute;left:-999px;top:8px;z-index:100;background:var(--surface);padding:8px 12px;border-radius:var(--r-s)}
.skip:focus{left:8px}

/* ---------- Rahmen mit Seitenleiste ---------- */
.shell{display:flex;min-height:100vh;min-height:100dvh}
.content{flex:1;min-width:0;display:flex;flex-direction:column}
.side{position:sticky;top:0;height:100vh;height:100dvh;width:var(--side-w);flex:none;background:var(--surface);border-right:1px solid var(--line);display:flex;flex-direction:column;transition:width .18s ease;z-index:30;padding-top:env(safe-area-inset-top,0px)}
.side[hidden]{display:none!important}
.side-head{padding:12px 12px 8px;border-bottom:1px solid var(--line)}
.side .brand,.mobilebar .brand{display:flex;align-items:center;gap:10px;background:none;border:0;padding:4px;border-radius:10px;cursor:pointer;text-align:left;min-width:0;width:100%;color:inherit}
.side .brand:hover,.mobilebar .brand:hover{background:var(--surface-2)}
.brand-mark{width:36px;height:36px;flex:none;border-radius:9px;object-fit:contain}
.brand-mark.sm{width:28px;height:28px}
.brand-text{display:flex;flex-direction:column;min-width:0;font-family:var(--display);font-size:1.08rem;line-height:1.15}
.brand-text b{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-text small{font-family:var(--body);font-weight:400;font-size:.78rem;color:var(--ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.side .brand-logo{max-width:100%;max-height:40px;object-fit:contain;object-position:left center}
.side.has-logo .brand-mark,.side.has-logo .brand-text{display:none}
.brand-logo-wrap{display:flex;min-width:0;flex:1}
html.side-collapsed .side.has-logo .brand-logo-wrap{display:none}
.side-nav{flex:1;overflow-y:auto;overflow-x:hidden;padding:10px;display:flex;flex-direction:column;gap:2px;scrollbar-width:thin}
.side-nav button,.side-toggle{position:relative;display:flex;align-items:center;gap:12px;width:100%;background:none;border:0;padding:10px 12px;border-radius:10px;cursor:pointer;color:var(--ink-2);font-weight:600;text-align:left;white-space:nowrap}
.side-nav button:hover,.side-toggle:hover{background:var(--surface-2);color:var(--ink)}
.side-nav button[aria-current="page"]{background:var(--accent-soft);color:var(--accent);font-weight:700}
.side-nav button[aria-current="page"]::before{content:"";position:absolute;left:-10px;top:7px;bottom:7px;width:4px;border-radius:0 4px 4px 0;background:var(--accent)}
.ic{width:22px;height:22px;flex:none;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.nav-badge[hidden],.side-nav button[hidden]{display:none!important}
.nav-badge{margin-left:auto;min-width:20px;height:20px;padding:0 6px;border-radius:999px;background:var(--cable);color:#fff;font-style:normal;font-size:.75rem;font-weight:700;display:inline-flex;align-items:center;justify-content:center}
.side-foot{border-top:1px solid var(--line);padding:10px;display:flex;flex-direction:column;gap:4px;padding-bottom:calc(10px + env(safe-area-inset-bottom,0px))}
.side-toggle svg{transition:transform .18s ease}
@media (min-width:900px){
  html.side-collapsed .side{width:var(--side-w-c)}
  html.side-collapsed .side .side-label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
  html.side-collapsed .side-nav button,html.side-collapsed .side-toggle{justify-content:center;padding:10px 0}
  html.side-collapsed .side-head{padding:12px 10px 8px}
  html.side-collapsed .side .brand{justify-content:center}
  html.side-collapsed .side .brand-logo{display:none}
  html.side-collapsed .brand-mark{display:block!important}
  html.side-collapsed .nav-badge{position:absolute;top:5px;right:9px;min-width:10px;width:10px;height:10px;padding:0;font-size:0;border:2px solid var(--surface)}
  html.side-collapsed .side-foot .acct{justify-content:center;padding:6px 0;border-color:transparent}
  html.side-collapsed .side-foot .acct .sync{position:absolute;margin-left:22px;margin-top:18px}
  html.side-collapsed .side-toggle svg{transform:rotate(180deg)}
  .mobilebar,.side-scrim{display:none!important}
}
@media (max-width:899.98px){
  .side{position:fixed;left:0;top:0;bottom:0;height:auto;width:min(290px,86vw);transform:translateX(-102%);transition:transform .2s ease;box-shadow:0 0 40px rgba(0,0,0,.35);visibility:hidden}
  html.side-open .side{transform:none;visibility:visible}
  .side-toggle{display:none}
  .side-scrim{position:fixed;inset:0;background:rgba(4,8,11,.55);z-index:29}
  .mobilebar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:8px;padding:8px 12px;padding-top:calc(8px + env(safe-area-inset-top,0px));background:var(--surface);border-bottom:1px solid var(--line)}
  .mobilebar .brand{width:auto;font-family:var(--display)}
  .mobilebar .brand-mark{width:28px;height:28px}
}
.mobilebar[hidden]{display:none!important}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:0;background:none;border-radius:10px;cursor:pointer;color:var(--ink)}
.icon-btn:hover{background:var(--surface-2)}
main{width:100%;max-width:1200px;margin:0 auto;padding-inline:16px;padding-block:28px 64px;display:flex;flex-direction:column;gap:22px}

/* ---------- Flächen und Raster ---------- */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:var(--shadow)}
.panel > h2:first-child,.panel > .row:first-child h2{margin-bottom:2px}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(auto-fit,minmax(min(320px,100%),1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(min(240px,100%),1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(min(170px,100%),1fr))}
.stack{display:flex;flex-direction:column;gap:12px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.spread{justify-content:space-between}
.kpi{display:flex;flex-direction:column;gap:4px}
.kpi b{font-family:var(--display);font-size:2rem;line-height:1.1;font-variant-numeric:tabular-nums}
.bar{height:8px;border-radius:99px;background:var(--surface-3);overflow:hidden;min-width:60px}
.bar>i{display:block;height:100%;background:var(--accent);border-radius:99px;transition:width .4s}
.bar.cable>i{background:var(--cable)} .bar.high>i{background:var(--warn)} .bar.full>i{background:var(--bad)}

/* ---------- Schaltflächen ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line-strong);background:var(--surface);color:var(--ink);padding:9px 16px;border-radius:var(--r-s);cursor:pointer;font-weight:700;line-height:1.25;text-decoration:none;white-space:nowrap}
.btn:hover{background:var(--surface-2);border-color:var(--ink-2)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.primary:hover{filter:brightness(1.1);background:var(--accent)}
.btn.ghost{background:transparent;border-color:transparent;color:var(--accent)}
.btn.ghost:hover{background:var(--accent-soft)}
.btn.danger{border-color:var(--bad);color:var(--bad);background:var(--surface)}
.btn.danger:hover{background:var(--bad-soft)}
.btn.small{padding:5px 11px;font-size:.88rem}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.5;cursor:not-allowed;filter:none}
a.btn{color:var(--ink)} a.btn.primary{color:var(--accent-ink)}
.link{background:none;border:0;color:var(--accent);cursor:pointer;font:inherit;padding:0;text-decoration:underline;text-underline-offset:2px}
@media (max-width:600px){.btn{white-space:normal;text-align:center}}

/* ---------- Kennzeichen ---------- */
.chip{display:inline-flex;align-items:center;gap:5px;font-size:.76rem;font-weight:700;border-radius:999px;padding:2px 9px;white-space:nowrap;border:1px solid transparent;line-height:1.5}
.chip.ok,.chip.warn,.chip.bad,.chip.info{border-color:color-mix(in srgb,currentColor 30%,transparent)}
.chip.ok::before,.chip.warn::before,.chip.bad::before,.chip.info::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}
.chip.nodot::before{display:none}
.chip.ok{background:var(--ok-soft);color:var(--ok)}
.chip.warn{background:var(--warn-soft);color:var(--warn)}
.chip.bad{background:var(--bad-soft);color:var(--bad)}
.chip.info{background:var(--accent-soft);color:var(--accent)}
.chip.plain{background:var(--surface-2);color:var(--ink-2);border-color:var(--line)}
.chip.wrap{white-space:normal}

/* ---------- Formulare ---------- */
label.f,.f{display:flex;flex-direction:column;gap:5px;font-size:.9rem;font-weight:700;color:var(--ink-2)}
.in,input.in,select.in,textarea.in{border:1px solid var(--line-strong);background:var(--surface);border-radius:var(--r-s);padding:8px 10px;font-weight:400;color:var(--ink);width:100%;min-width:0}
.in::placeholder{color:var(--ink-3)}
.in:hover{border-color:var(--ink-2)}
.in:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 25%,transparent);outline:none}
.in:disabled,.in[readonly]{background:var(--surface-2);color:var(--ink-2)}
textarea.in{line-height:1.5;resize:vertical;min-height:70px}
input.in.mono{font-family:var(--mono)}
.in.small{padding:5px 8px;font-size:.88rem;width:auto}
input[type=checkbox],input[type=radio],input[type=range]{accent-color:var(--accent)}
.fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(190px,100%),1fr));gap:12px}
.check{display:flex;gap:8px;align-items:flex-start;font-weight:400;color:var(--ink);font-size:.97rem;cursor:pointer}
.check input{margin-top:4px;width:17px;height:17px;flex:none}
fieldset{border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin:0}
legend{padding:0 6px}
.req-star{color:var(--bad);font-weight:700}
.field-err{color:var(--bad);font-size:.86rem;font-weight:700;line-height:1.35}
[aria-invalid="true"]{border-color:var(--bad)!important;box-shadow:0 0 0 1px var(--bad)}

/* ---------- Tabellen ---------- */
.tbl-wrap,.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:10px}
table.data,.tbl>table{border-collapse:collapse;width:100%;font-variant-numeric:tabular-nums;font-size:.95rem}
table.data th,.tbl>table th{background:var(--surface-2);font-size:.76rem;letter-spacing:.05em;text-transform:uppercase;color:var(--ink-2);font-weight:700;text-align:left;padding:9px 12px;white-space:nowrap;border-bottom:1px solid var(--line)}
table.data td,.tbl>table td{padding:10px 12px;border-top:1px solid var(--line);vertical-align:middle}
table.data tbody tr:first-child td,.tbl>table tbody tr:first-child td{border-top:0}
table.data tbody tr:hover td,.tbl>table tbody tr:hover td{background:color-mix(in srgb,var(--surface-2) 55%,transparent)}
table.data td.mono{font-family:var(--mono)}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;font-variant-numeric:tabular-nums;margin:0}
.kv dt{color:var(--ink-2);font-weight:600}
.kv dd{margin:0}

/* ---------- Meldungen ---------- */
.okmsg,.warnmsg,div.err,p.err,.errmsg,.notice,.callout{border-radius:10px;padding:11px 14px;border:1px solid transparent;border-left-width:4px}
.okmsg{background:var(--ok-soft);color:var(--ok);border-color:var(--ok)}
.warnmsg{background:var(--warn-soft);color:var(--warn);border-color:var(--warn)}
div.err,p.err,.errmsg{background:var(--bad-soft);color:var(--bad);border-color:var(--bad)}
.notice{background:var(--surface-2);color:var(--ink);border-color:var(--line-strong);font-size:.97rem}
.callout{background:var(--cable-soft);color:var(--ink);border-color:var(--cable)}
.okmsg b,.warnmsg b,div.err b{color:inherit}
.plain-list,ul.plainlist{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:6px}
.lic-banner{background:var(--warn-soft);color:var(--warn);padding:8px 16px;text-align:center;font-weight:700;font-size:.92rem;border-bottom:1px solid var(--warn)}
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:10px 18px;border-radius:var(--r-s);font-weight:700;z-index:50;max-width:calc(100% - 32px);box-shadow:0 8px 24px rgba(0,0,0,.3)}
.qr{background:#fff;padding:8px;border-radius:var(--r-s);line-height:0;align-self:flex-start}

/* ---------- Reiter innerhalb einer Seite ---------- */
nav.subtabs{display:flex;gap:4px;flex-wrap:wrap;border-bottom:2px solid var(--line);padding-bottom:0;margin:0 0 6px}
nav.subtabs button{background:none;border:0;border-bottom:3px solid transparent;margin-bottom:-2px;padding:8px 12px;border-radius:8px 8px 0 0;cursor:pointer;color:var(--ink-2);font:inherit;font-weight:700;display:inline-flex;gap:6px;align-items:center}
nav.subtabs button:hover{background:var(--surface-2);color:var(--ink)}
nav.subtabs button[aria-current="page"]{color:var(--accent);border-bottom-color:var(--accent);background:none}

@media (prefers-reduced-motion: reduce){*{transition:none!important;animation:none!important}}
