:root {
  --bg: #f7f8fa; --bg2: #f1f3f6; --card: #ffffff; --ink: #111827; --ink2: #4b5563; --muted: #6b7280; --line: #e5e7eb; --line2: #d1d5db;
  --accent: #2563eb; --accent-ink: #1d4ed8; --accent-soft: #eff4ff;
  --ok: #15803d; --ok-soft: #f0fdf4; --bad: #b91c1c; --bad-soft: #fef2f2; --warn: #b45309; --warn-soft: #fffbeb;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05); --r: 10px; --side: 280px; --code: #f3f4f6;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b0f17; --bg2: #121826; --card: #111722; --ink: #e5e7eb; --ink2: #b6bdc9; --muted: #8b93a3; --line: #232b3a; --line2: #313a4b;
    --accent: #60a5fa; --accent-ink: #93c5fd; --accent-soft: #15233d;
    --ok: #4ade80; --ok-soft: #0f2418; --bad: #f87171; --bad-soft: #2a1414; --warn: #fbbf24; --warn-soft: #2a2110;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4); --code: #0e131d;
  }
}
:root[data-theme="dark"] {
  --bg: #0b0f17; --bg2: #121826; --card: #111722; --ink: #e5e7eb; --ink2: #b6bdc9; --muted: #8b93a3; --line: #232b3a; --line2: #313a4b;
  --accent: #60a5fa; --accent-ink: #93c5fd; --accent-soft: #15233d;
  --ok: #4ade80; --ok-soft: #0f2418; --bad: #f87171; --bad-soft: #2a1414; --warn: #fbbf24; --warn-soft: #2a2110;
  --shadow: 0 1px 2px rgba(0, 0, 0, .4); --code: #0e131d;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font: 15px/1.6 "Inter", "Segoe UI", system-ui, -apple-system, Roboto, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
svg.i { flex: none; vertical-align: -0.2em; }
code, pre { font-family: "JetBrains Mono", "Cascadia Code", Consolas, monospace; font-size: .87em; }
code { background: var(--code); padding: .1em .35em; border-radius: 4px; border: 1px solid var(--line); }
pre { background: var(--code); padding: 12px 14px; border-radius: 8px; overflow-x: auto; line-height: 1.45; border: 1px solid var(--line); }
pre code { border: 0; padding: 0; background: none; }
table { border-collapse: collapse; margin: 10px 0; font-size: .92em; width: auto; max-width: 100%; display: block; overflow-x: auto; }
th, td { border: 1px solid var(--line); padding: 6px 10px; text-align: left; vertical-align: top; }
th { background: var(--bg2); font-weight: 600; }
td.r { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
table.calc td:first-child { white-space: nowrap; }
tr.crit td { background: var(--bad-soft); }
h1, h2, h3, h4 { line-height: 1.25; margin: 1.1em 0 .5em; font-weight: 650; overflow-wrap: anywhere; }
h1 { font-size: 1.6rem; letter-spacing: -.02em; margin-top: 0; }
h2 { font-size: 1.2rem; letter-spacing: -.01em; }
h3 { font-size: 1rem; }
h4 { font-size: .98rem; }
.small { font-size: .86em; color: var(--ink2); }
.muted { color: var(--muted); }

/* Layout */
.app { display: flex; min-height: 100vh; }
#side { width: var(--side); flex: none; background: var(--card); border-right: 1px solid var(--line); position: sticky; top: 0; height: 100vh; overflow-y: auto; padding: 16px 10px 30px; }
#main { flex: 1; min-width: 0; }
.topbar { position: sticky; top: 0; z-index: 20; display: flex; gap: 10px; align-items: center; padding: 10px 28px; background: var(--card); border-bottom: 1px solid var(--line); }
#view { padding: 28px 32px 80px; max-width: 1060px; margin: 0 auto; }
.brand { display: flex; align-items: center; gap: 10px; padding: 4px 10px 18px; font-weight: 700; font-size: .98rem; }
.brand .logo { width: 32px; height: 32px; border-radius: 8px; display: grid; place-items: center; color: #fff; background: var(--accent); }
.brand small { display: block; font-weight: 500; color: var(--muted); font-size: .74rem; }
.nav a, .nav button.navlink { display: flex; align-items: center; gap: 10px; padding: 7px 10px; border-radius: 7px; color: var(--ink2); font-weight: 500; width: 100%; font-size: .93rem; }
.nav a:hover { background: var(--bg2); color: var(--ink); text-decoration: none; }
.nav a.active { background: var(--accent-soft); color: var(--accent-ink); }
.nav .sec { margin: 18px 10px 6px; font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); font-weight: 600; }
.nav details summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: 10px; padding: 7px 10px; border-radius: 7px; font-weight: 500; font-size: .93rem; color: var(--ink); }
.nav details summary::-webkit-details-marker { display: none; }
.nav details summary:hover { background: var(--bg2); }
.nav details summary .chev { margin-left: auto; transition: transform .15s; color: var(--muted); display: flex; }
.nav details[open] summary .chev { transform: rotate(90deg); }
.nav details .sub { margin: 2px 0 6px; border-left: 1px solid var(--line); margin-left: 21px; }
.nav details .sub a { padding: 5px 10px 5px 14px; font-size: .88rem; border-radius: 0 7px 7px 0; }
.dot { width: 7px; height: 7px; border-radius: 50%; flex: none; background: var(--line2); }
.dot.m1 { background: var(--bad); } .dot.m2 { background: var(--warn); } .dot.m3 { background: var(--ok); }
.ico { width: 20px; display: flex; justify-content: center; flex: none; color: var(--muted); }
.nav a.active .ico { color: var(--accent); }
.cico { width: 34px; height: 34px; border-radius: 8px; display: inline-grid; place-items: center; flex: none; color: var(--c, var(--accent)); background: color-mix(in srgb, var(--c, var(--accent)) 12%, transparent); }
h1 .cico { width: 40px; height: 40px; } h4 .cico { width: 26px; height: 26px; }
#burger { display: none; }

/* Buttons & Inputs */
.btn { display: inline-flex; align-items: center; gap: 7px; border: 1px solid var(--line2); background: var(--card); color: var(--ink); padding: 8px 14px; border-radius: 8px; font: inherit; font-size: .92rem; font-weight: 550; cursor: pointer; transition: background .12s, border-color .12s; text-decoration: none; }
.btn:hover { background: var(--bg2); text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
:root[data-theme="dark"] .btn.primary { color: #0b0f17; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .btn.primary { color: #0b0f17; } }
.btn.primary:hover { background: var(--accent-ink); border-color: var(--accent-ink); }
.btn.ghost { background: transparent; border-color: transparent; color: var(--ink2); }
.btn.ghost:hover { background: var(--bg2); }
.btn.small { padding: 5px 10px; font-size: .85rem; }
.btn:disabled { opacity: .45; cursor: default; }
.search { flex: 1; max-width: 440px; position: relative; display: flex; align-items: center; }
.search .sico { position: absolute; left: 11px; color: var(--muted); pointer-events: none; }
.search input[type=text] { width: 100%; padding: 8px 12px 8px 36px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); font: inherit; font-size: .92rem; }
input[type=text], textarea, select, input[type=date] { font: inherit; color: var(--ink); background: var(--card); border: 1px solid var(--line2); border-radius: 8px; padding: 8px 11px; outline: none; transition: border-color .12s, box-shadow .12s; }
input[type=text]:focus, textarea:focus, select:focus, input[type=date]:focus, .search input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); outline: none; }
textarea { width: 100%; min-height: 90px; resize: vertical; }

/* Karten & Übersicht */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--shadow); padding: 20px 22px; }
.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.catcard { cursor: pointer; transition: border-color .12s; }
.catcard:hover { border-color: var(--line2); }
.catcard h3 { margin: 12px 0 2px; font-size: .98rem; }
.catcard p { margin: 0 0 12px; font-size: .85rem; color: var(--ink2); min-height: 2.6em; }
.bar { height: 6px; background: var(--bg2); border-radius: 99px; overflow: hidden; }
.bar > i { display: block; height: 100%; background: var(--accent); border-radius: 99px; transition: width .4s; }
.bar.okbar > i { background: var(--ok); }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 16px 0 22px; }
.kpi { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 14px 16px; }
.kpi b { display: block; font-size: 1.45rem; font-weight: 650; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.kpi span { color: var(--muted); font-size: .8rem; }
.hero { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 24px 26px; display: flex; gap: 20px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.hero h1 { margin: 0 0 6px; }
.hero p { margin: 0; color: var(--ink2); max-width: 620px; }
.hero .cd { text-align: right; border-left: 1px solid var(--line); padding-left: 22px; }
.cdnum { font-size: 2rem; font-weight: 700; letter-spacing: -.03em; line-height: 1.1; color: var(--accent); }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.between { justify-content: space-between; }
.pill { white-space: nowrap; display: inline-flex; align-items: center; gap: 5px; padding: 2px 9px; border-radius: 99px; font-size: .76rem; font-weight: 600; background: var(--bg2); color: var(--ink2); border: 1px solid var(--line); }
.pill.acc { background: var(--accent-soft); color: var(--accent-ink); border-color: transparent; }
.pill.ok { background: var(--ok-soft); color: var(--ok); border-color: transparent; }
.pill.bad { background: var(--bad-soft); color: var(--bad); border-color: transparent; }
a.pill:hover { text-decoration: none; }
.list { display: flex; flex-direction: column; gap: 6px; }
.listitem { display: flex; align-items: center; gap: 12px; padding: 10px 14px; border-radius: 9px; background: var(--card); border: 1px solid var(--line); cursor: pointer; transition: border-color .12s; }
.listitem:hover { border-color: var(--line2); background: var(--bg2); }
.listitem .grow { flex: 1; min-width: 0; }
.crumbs { font-size: .84rem; color: var(--muted); margin-bottom: 10px; }
.crumbs a { color: var(--muted); }

/* Tabs */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin: 18px 0 20px; overflow-x: auto; }
.tabs a { display: inline-flex; align-items: center; gap: 7px; padding: 9px 12px; border-bottom: 2px solid transparent; color: var(--ink2); font-weight: 550; font-size: .93rem; white-space: nowrap; margin-bottom: -1px; }
.tabs a:hover { text-decoration: none; color: var(--ink); }
.tabs a.active { color: var(--accent); border-color: var(--accent); }

/* Lerninhalte */
.learn { font-size: .96rem; }
.learn ul, .learn ol { padding-left: 1.3em; }
.learn li { margin: 3px 0; }
.box, .tip, .formula { border-radius: 8px; padding: 11px 15px; margin: 12px 0; }
.box { background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent); }
.tip { background: var(--warn-soft); border: 1px solid color-mix(in srgb, var(--warn) 30%, transparent); }
.tip::before { content: "Prüfungstipp"; display: block; font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 700; color: var(--warn); margin-bottom: 3px; }
.formula { background: var(--bg2); border: 1px solid var(--line); font-family: "Cambria Math", "Times New Roman", serif; font-size: 1.04em; text-align: center; }
.refs { margin-top: 22px; padding-top: 14px; border-top: 1px solid var(--line); }
.refhead { display: flex; align-items: center; gap: 7px; font-weight: 600; margin-bottom: 8px; }
.refs a { display: inline-flex; align-items: center; gap: 6px; margin: 3px 6px 3px 0; padding: 5px 10px; border-radius: 7px; background: var(--card); color: var(--ink); font-size: .85rem; border: 1px solid var(--line2); }
.refs a svg { color: var(--muted); }
.refs a:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
table.np td { text-align: center; min-width: 60px; font-size: .85em; }

/* Aufgaben */
.q { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 20px 22px; box-shadow: var(--shadow); margin-bottom: 16px; }
.q .qhead { display: flex; justify-content: space-between; gap: 10px; align-items: center; margin-bottom: 10px; }
.q .qnum { font-weight: 700; color: var(--ink); margin-right: 6px; }
.q .qtext { margin-bottom: 14px; }
.field { margin: 14px 0; }
.field > label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 5px; }
.field .inrow { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.field .inrow input { min-width: 180px; flex: 0 1 280px; }
.field .unit { color: var(--muted); font-weight: 500; }
.field.ok input, .field.ok textarea { border-color: var(--ok); background: var(--ok-soft); }
.field.bad input, .field.bad textarea { border-color: var(--bad); background: var(--bad-soft); }
.fb { font-size: .86rem; margin-top: 5px; font-weight: 550; display: flex; align-items: center; gap: 5px; flex-wrap: wrap; }
.fb.ok { color: var(--ok); } .fb.bad { color: var(--bad); }
.opts { display: flex; flex-direction: column; gap: 6px; }
.opt { display: flex; align-items: flex-start; gap: 10px; padding: 8px 12px; border: 1px solid var(--line2); border-radius: 8px; cursor: pointer; transition: border-color .12s, background .12s; }
.opt:hover { background: var(--bg2); }
.opt input { margin-top: 5px; accent-color: var(--accent); }
.opt.sel { border-color: var(--accent); background: var(--accent-soft); }
.opt.right { border-color: var(--ok); background: var(--ok-soft); }
.opt.wrong { border-color: var(--bad); background: var(--bad-soft); }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.result { margin-top: 16px; border-radius: 8px; padding: 11px 14px; border: 1px solid var(--line); }
.result.ok { background: var(--ok-soft); border-color: color-mix(in srgb, var(--ok) 35%, transparent); color: var(--ok); }
.result.bad { background: var(--bad-soft); border-color: color-mix(in srgb, var(--bad) 35%, transparent); color: var(--bad); }
.result.part { background: var(--warn-soft); border-color: color-mix(in srgb, var(--warn) 35%, transparent); color: var(--warn); }
.result h4 { margin: 0; display: flex; align-items: center; gap: 8px; font-size: .95rem; }
.model { background: var(--bg2); border-radius: 8px; padding: 10px 13px; margin-top: 8px; border: 1px solid var(--line); }
.model::before { content: "Musterlösung"; display: block; font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); font-weight: 700; margin-bottom: 4px; }
.selfrate { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 10px; align-items: center; }
.selfrate .btn.on { border-color: var(--accent); background: var(--accent-soft); color: var(--accent-ink); }
.sol { margin-top: 12px; padding: 14px 16px; border-radius: 8px; background: var(--bg2); border: 1px solid var(--line); }
.sol > b:first-child { display: block; margin-bottom: 6px; font-size: .78rem; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); }
details.learnpanel { margin-top: 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); }
details.learnpanel > summary { cursor: pointer; padding: 10px 14px; font-weight: 600; color: var(--accent); display: flex; align-items: center; gap: 8px; list-style: none; }
details.learnpanel > summary::-webkit-details-marker { display: none; }
details.learnpanel > div { padding: 4px 18px 14px; border-top: 1px solid var(--line); }
.src { font-size: .76rem; color: var(--muted); }
.quizbar { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.dots { display: flex; gap: 5px; flex-wrap: wrap; margin-bottom: 14px; }
.dots button { width: 28px; height: 28px; border-radius: 6px; border: 1px solid var(--line2); background: var(--card); color: var(--ink2); font: inherit; font-size: .76rem; cursor: pointer; }
.dots button.cur { border-color: var(--accent); color: var(--accent); font-weight: 700; box-shadow: 0 0 0 2px var(--accent-soft); }
.dots button.s-ok { background: var(--ok-soft); border-color: var(--ok); color: var(--ok); }
.dots button.s-part { background: var(--warn-soft); border-color: var(--warn); color: var(--warn); }
.dots button.s-bad { background: var(--bad-soft); border-color: var(--bad); color: var(--bad); }

/* Prüfung */
.examhead { position: sticky; top: 57px; z-index: 15; display: flex; gap: 12px; align-items: center; justify-content: space-between; flex-wrap: wrap; background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 10px 16px; box-shadow: 0 4px 12px rgba(16, 24, 40, .06); margin-bottom: 18px; }
.timer { display: inline-flex; align-items: center; gap: 6px; font-variant-numeric: tabular-nums; font-weight: 600; color: var(--ink2); }
.timer.late { color: var(--bad); }
.block { margin: 28px 0 10px; }
.block h2 { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 8px; }
.intro { background: var(--card); border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: 8px; padding: 12px 16px; margin-bottom: 14px; }
.typecards { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; }
.typecard { cursor: pointer; transition: border-color .12s; }
.typecard:hover { border-color: var(--line2); }
.typecard.sel { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.score { font-size: 2.3rem; font-weight: 700; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.note { display: inline-grid; place-items: center; width: 58px; height: 58px; border-radius: 10px; font-size: 1.7rem; font-weight: 700; color: #fff; background: var(--accent); }
.n1, .n2 { background: var(--ok) !important; } .n3, .n4 { background: var(--warn) !important; } .n5, .n6 { background: var(--bad) !important; }
.chart { display: flex; align-items: flex-end; gap: 3px; height: 90px; padding-top: 6px; margin-top: 8px; }
.chart i { flex: 1; background: var(--accent); border-radius: 2px 2px 0 0; min-height: 2px; opacity: .8; }
.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 9px 16px; border-radius: 8px; font-weight: 550; z-index: 99; }
.empty { text-align: center; padding: 30px; color: var(--muted); }
mark { background: var(--warn-soft); color: inherit; border-radius: 3px; }

/* ---------- Login, Konto ---------- */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login form { width: 100%; max-width: 360px; display: flex; flex-direction: column; gap: 6px; }
.login .brand { padding: 0 0 10px; }
.login label, .form label, label.form { display: flex; flex-direction: column; gap: 4px; font-size: .88rem; font-weight: 550; color: var(--ink2); }
.login input, .form input, label.form select { font: inherit; color: var(--ink); background: var(--card); border: 1px solid var(--line2); border-radius: 8px; padding: 8px 11px; }
.login input:focus, .form input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); outline: none; }
.login button { margin-top: 10px; justify-content: center; }
form.form { display: flex; flex-direction: column; gap: 12px; max-width: 420px; }
.err { color: var(--bad); min-height: 1.2em; }
.userbox { display: flex; align-items: center; gap: 4px; margin: 22px 0 0; padding-top: 12px; border-top: 1px solid var(--line); }
.userbox a { display: flex; align-items: center; gap: 8px; flex: 1; min-width: 0; padding: 7px 10px; border-radius: 7px; color: var(--ink2); font-weight: 550; font-size: .92rem; }
.userbox a span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.userbox a:hover { background: var(--bg2); text-decoration: none; }
.userbox a.active { background: var(--accent-soft); color: var(--accent-ink); }

/* ---------- KI: Bewertung ---------- */
.aigrade { margin-top: 10px; }
.aibox { margin-top: 8px; border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: 8px; padding: 10px 13px; background: var(--card); }
.aibox.ok { border-left-color: var(--ok); } .aibox.part { border-left-color: var(--warn); } .aibox.bad { border-left-color: var(--bad); }
.aihead { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.aitext p { margin: 6px 0; }
.aibox ul { margin: 4px 0 6px; padding-left: 20px; }
.aisrc { margin-top: 6px; display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: center; }
a.qref { font-size: .8em; vertical-align: super; }

/* ---------- KI: Tutor-Chat ---------- */
.aibar { margin-top: 12px; display: flex; justify-content: flex-end; }
.aichat { margin-top: 8px; border: 1px solid var(--line); border-radius: var(--r); background: var(--bg2); padding: 10px 12px; }
.aichat-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 8px; }
.aichat-log { display: flex; flex-direction: column; gap: 8px; max-height: 480px; overflow-y: auto; padding-right: 2px; }
.aichat .msg { border-radius: 10px; padding: 8px 12px; max-width: 92%; line-height: 1.5; overflow-wrap: anywhere; }
.aichat .msg.user { align-self: flex-end; background: var(--accent); color: #fff; }
.aichat .msg.bot { align-self: flex-start; background: var(--card); border: 1px solid var(--line); }
.aichat .msg.err { color: var(--bad); }
.aichat .msg p { margin: 4px 0; } .aichat .msg ul, .aichat .msg ol { margin: 4px 0; padding-left: 20px; }
.aichat .msg h4 { margin: 8px 0 4px; } .aichat .msg pre { margin: 6px 0; }
.aichat .typing { color: var(--muted); letter-spacing: 2px; }
.aichat-in { display: flex; gap: 8px; align-items: flex-end; margin-top: 10px; }
.aichat-in textarea { min-height: 44px; flex: 1; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .aichat .msg.user { color: #0b0f17; } }
:root[data-theme="dark"] .aichat .msg.user { color: #0b0f17; }

/* ---------- Admin ---------- */
.adminbar { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; padding: 10px 22px; background: var(--card); border-bottom: 1px solid var(--line); }
.adminbar .brand { padding: 0; }
.adminbar .tabs { margin: 0; border: 0; flex: 1; overflow: visible; }
.adminmain { max-width: 1100px; margin: 0 auto; padding: 26px 22px 60px; }
.logo.dark { background: var(--ink) !important; color: var(--bg) !important; }
.form.inline { display: flex; flex-direction: row; flex-wrap: wrap; align-items: flex-end; max-width: none; gap: 12px 16px; }
.form.inline label { flex: 1 1 200px; }
.form input[type=number], .form input[type=password], .form input:not([type]), .form select { font: inherit; color: var(--ink); background: var(--card); border: 1px solid var(--line2); border-radius: 8px; padding: 8px 11px; }
.form input:disabled { background: var(--bg2); color: var(--muted); }
label.check { flex-direction: row !important; align-items: center; gap: 8px !important; font-weight: 500 !important; flex: 0 1 auto !important; }
.form .err:empty { display: none; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px 16px; }
.grid2 label[hidden], label[hidden] { display: none !important; }
.tablewrap { overflow-x: auto; margin-top: 16px; }
table.admintable { display: table; width: 100%; background: var(--card); }
table.admintable td { vertical-align: middle; }
.admintable .acts { white-space: nowrap; text-align: right; }
.admintable tr.editrow td { background: var(--bg2); }
.admintable tr.editrow form { gap: 10px; }
.admintable tr.editrow input { font: inherit; border: 1px solid var(--line2); border-radius: 7px; padding: 5px 9px; background: var(--card); color: var(--ink); }
.btn.danger { color: var(--bad); }
.btn.danger-fill { background: var(--bad); border-color: var(--bad); color: #fff; }
.switch { position: relative; display: inline-block; width: 38px; height: 22px; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch span { position: absolute; inset: 0; cursor: pointer; background: var(--line2); border-radius: 99px; transition: background .15s; }
.switch span::before { content: ""; position: absolute; width: 16px; height: 16px; left: 3px; top: 3px; background: #fff; border-radius: 50%; transition: transform .15s; }
.switch input:checked + span { background: var(--ok); }
.switch input:checked + span::before { transform: translateX(16px); }
.switch input:focus-visible + span { box-shadow: 0 0 0 3px var(--accent-soft); }
.plist { display: flex; flex-direction: column; gap: 10px; margin-top: 14px; }
.pcard { padding: 14px 18px; }
.pcard.invalid { border-color: var(--bad); }
.pcard .pres:not(:empty) { margin-top: 8px; }
form.form.pform { margin-top: 14px; max-width: none; border-color: var(--accent); }
.toast.bad { background: var(--bad); color: #fff; }

@media (max-width: 860px) {
  #side { position: fixed; left: 0; top: 0; z-index: 50; transform: translateX(-100%); transition: transform .2s; box-shadow: 0 10px 30px rgba(0, 0, 0, .2); }
  body.menu #side { transform: none; }
  body.menu::after { content: ""; position: fixed; inset: 0; background: rgba(0, 0, 0, .35); z-index: 40; }
  #burger { display: inline-flex; }
  .topbar { padding: 8px 16px; }
  #view { padding: 18px 16px 70px; }
  .two { grid-template-columns: 1fr; }
  .q { padding: 16px; }
  .hero .cd { border-left: 0; padding-left: 0; text-align: left; }
  .examhead { top: 53px; }
  .field .inrow input { min-width: 0; flex: 1 1 100%; }
  /* Touch: ab 16px zoomt iOS beim Antippen von Eingabefeldern nicht mehr in die Seite */
  input, textarea, select { font-size: 16px !important; }
  /* Touch: ausreichend große Tippflächen */
  .btn { min-height: 40px; }
  .btn.small { min-height: 36px; }
  .tabs { gap: 0; scrollbar-width: none; }
  .tabs::-webkit-scrollbar { display: none; }
  .tabs a { padding: 9px 9px; gap: 5px; }
  .dots { gap: 6px; }
  .dots button { width: 36px; height: 36px; font-size: .85rem; }
  .opt { min-height: 44px; }
  .aichat { padding: 10px; }
  .aichat .msg { max-width: 100%; }
  .aichat-in .btn { min-width: 44px; min-height: 44px; justify-content: center; }
  .aichat-log { max-height: 60vh; }
  /* Admin */
  .adminbar { padding: 8px 16px; gap: 8px 14px; }
  .adminmain { padding: 18px 16px 60px; }
}
@media (max-width: 700px) {
  /* Admin-Benutzertabelle als Karten statt seitlich scrollender Tabelle */
  .tablewrap { overflow: visible; }
  table.admintable, .admintable tbody, .admintable tr, .admintable td { display: block; width: 100%; }
  table.admintable { background: transparent; border: 0; }
  .admintable tr:has(th) { display: none; }
  .admintable tr[data-id] { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 8px 14px; margin-top: 10px; }
  .admintable td { border: 0; padding: 5px 0; display: flex; justify-content: space-between; align-items: center; gap: 10px; text-align: left; }
  .admintable td[data-label]::before { content: attr(data-label); color: var(--muted); font-size: .82rem; }
  .admintable td.acts { flex-wrap: wrap; justify-content: flex-start; white-space: normal; padding-top: 8px; border-top: 1px solid var(--line); margin-top: 4px; }
  .admintable tr.editrow:not([hidden]) { display: block; }
  .admintable tr.editrow td { border-radius: 0 0 var(--r) var(--r); padding: 10px 14px; }
  .admintable tr.editrow form { flex-direction: column; align-items: stretch; }
  .admintable tr.editrow input { width: 100%; }
}
@media print {
  #side, .topbar, .actions, .examhead .btn, details.learnpanel, .aibar, .aichat, .aigrade button { display: none !important; }
  body { background: #fff; color: #000; }
  .q, .card { box-shadow: none; break-inside: avoid; }
}