/* Layout: eine Handy-Spalte (max. 460px), feste Tab-Leiste unten.
   Fächer farbcodiert wie die Register im Schönfelder: Zivilrecht blau, Strafrecht rot, Öffentliches Recht grün. */
:root{
  --bg:#f3f5f7; --surface:#ffffff; --fg:#14202b; --muted:#5d6b78; --line:#dde3e9;
  --accent:#1d3a52; --accent-fg:#ffffff;
  --zr:#2a5db0; --zr-soft:#e4ecf9;
  --sr:#b8322f; --sr-soft:#f8e5e4;
  --oer:#2f7d4f; --oer-soft:#e2f2e8;
  --good:#2f7d4f; --warn:#a86d0c; --bad:#b8322f;
  --display:"Bricolage Grotesque","Segoe UI",system-ui,sans-serif;
  --body:"Figtree","Segoe UI",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Consolas,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){
  --bg:#0f151b; --surface:#18212a; --fg:#e6ecf1; --muted:#93a1ae; --line:#2a3743;
  --accent:#9cc3e6; --accent-fg:#0f151b;
  --zr:#7fa8ec; --zr-soft:#1d2a40; --sr:#ec8a86; --sr-soft:#3a2121; --oer:#77c79a; --oer-soft:#1b3326;
  --good:#77c79a; --warn:#e3b05a; --bad:#ec8a86; color-scheme:dark }}
:root[data-theme="dark"]{
  --bg:#0f151b; --surface:#18212a; --fg:#e6ecf1; --muted:#93a1ae; --line:#2a3743;
  --accent:#9cc3e6; --accent-fg:#0f151b;
  --zr:#7fa8ec; --zr-soft:#1d2a40; --sr:#ec8a86; --sr-soft:#3a2121; --oer:#77c79a; --oer-soft:#1b3326;
  --good:#77c79a; --warn:#e3b05a; --bad:#ec8a86; color-scheme:dark }

*{box-sizing:border-box}
html,body{height:100%}
html{padding-top:env(safe-area-inset-top,0px)}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--body);font-size:15px;line-height:1.5;-webkit-tap-highlight-color:transparent}
button{font:inherit;color:inherit;cursor:pointer}
button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
[hidden]{display:none!important}

.app{max-width:460px;margin:0 auto;min-height:100%;padding-inline:16px;padding-block:20px calc(100px + env(safe-area-inset-bottom,0px))}
h1,h2,h3{font-family:var(--display);text-wrap:balance;margin:0;line-height:1.15}
h1{font-size:28px;font-weight:700}
h2{font-size:19px;font-weight:700}
p{margin:0}
.eyebrow{font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);font-weight:600}
.stack{display:flex;flex-direction:column;gap:12px}
section{display:flex;flex-direction:column;gap:12px;margin-top:28px}
.row{display:flex;align-items:center;gap:10px}
.spread{display:flex;justify-content:space-between;align-items:center;gap:10px}
.muted{color:var(--muted)}
.small{font-size:13px}
.norm{font-family:var(--mono);font-size:12px;color:var(--muted);white-space:nowrap}
.linkbtn{border:0;background:none;padding:6px 0;color:var(--muted);font-weight:600}
.iconbtn{border:1px solid var(--line);background:var(--surface);border-radius:12px;width:42px;height:42px;display:grid;place-items:center;flex:none}
.iconbtn svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* Countdown */
.count{background:var(--accent);color:var(--accent-fg);border-radius:18px;padding:20px;display:flex;flex-direction:column;gap:14px}
.count .big{font-family:var(--display);font-size:56px;font-weight:700;line-height:1;font-variant-numeric:tabular-nums}
.count .sub{opacity:.8;font-size:13px}
.count .stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;border-top:1px solid color-mix(in srgb,var(--accent-fg) 25%,transparent);padding-top:14px}
.count .stats b{display:block;font-family:var(--display);font-size:20px;font-variant-numeric:tabular-nums}
.count .stats span{font-size:12px;opacity:.8}

/* Boxen und Listen */
.box{background:var(--surface);border:1px solid var(--line);border-radius:14px}
.pad{padding:14px}
.fach{display:grid;grid-template-columns:1fr auto;gap:6px 12px;padding:14px 0;border-bottom:1px solid var(--line)}
.fach:last-child{border-bottom:0}
.bar{grid-column:1/-1;height:6px;border-radius:3px;background:var(--line);overflow:hidden}
.bar i{display:block;height:100%;border-radius:3px}
.pct{font-variant-numeric:tabular-nums;font-weight:600}

.btn{border:0;border-radius:12px;padding:14px 18px;font-weight:600;background:var(--accent);color:var(--accent-fg);width:100%;text-align:center}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--fg)}
.btn.danger{background:transparent;border:1px solid var(--bad);color:var(--bad)}
.btn:disabled{opacity:.5;cursor:default}

.chips{display:flex;gap:8px;overflow-x:auto;padding-bottom:2px;scrollbar-width:none}
.chip{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:7px 14px;font-size:13px;font-weight:600;white-space:nowrap}
.chip[aria-pressed="true"]{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.input{width:100%;border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:12px 14px;font:inherit;color:var(--fg)}
.mono{font-family:var(--mono);letter-spacing:.04em}

.group-h{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-top:8px}
.list{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.item{display:grid;grid-template-columns:4px 1fr auto;gap:12px;align-items:center;padding:13px 14px 13px 0;border:0;border-bottom:1px solid var(--line);background:none;text-align:left;width:100%}
.item:last-child{border-bottom:0}
.item .tab{align-self:stretch;border-radius:0 3px 3px 0}
.item .t{font-weight:600;min-width:0}
.item .s{display:block;font-weight:400;font-size:13px;color:var(--muted)}
.dots{display:flex;gap:3px;flex:none}
.dots i{width:7px;height:7px;border-radius:50%;background:var(--line)}
.dots i.on{background:var(--good)}

.tag{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:3px 8px;border-radius:6px}
.tree{display:flex;flex-direction:column;gap:2px}
.node{border-left:2px solid var(--line);padding:8px 0 8px 14px}
.node .h{display:flex;justify-content:space-between;gap:10px;align-items:baseline}
.node .lbl{font-weight:600;min-width:0}
.node .lbl em{font-style:normal;color:var(--muted);font-family:var(--mono);font-size:12px;margin-right:6px}
.node .kids{margin-top:6px;display:flex;flex-direction:column;gap:2px}
.node .kids .node{border-left-style:dotted}
.note{margin-top:6px;font-size:13px;background:color-mix(in srgb,var(--warn) 12%,transparent);border-radius:8px;padding:8px 10px}
.note b{color:var(--warn)}

/* Lernkarten */
.card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:20px;display:flex;flex-direction:column;gap:14px}
.progress{height:4px;background:var(--line);border-radius:2px;overflow:hidden}
.progress i{display:block;height:100%;background:var(--accent)}
.step{display:flex;gap:10px;align-items:baseline;padding:8px 0;border-bottom:1px solid var(--line)}
.step:last-child{border-bottom:0}
.step em{font-style:normal;font-family:var(--mono);font-size:12px;color:var(--muted);min-width:28px}
.step.hidden .lbl{color:transparent;background:var(--line);border-radius:6px;user-select:none}
.step.next{background:color-mix(in srgb,var(--accent) 8%,transparent);border-radius:8px}
.cloze{font-size:17px;line-height:1.75}
.gap{border:0;border-bottom:2px solid var(--accent);background:color-mix(in srgb,var(--accent) 10%,transparent);border-radius:4px 4px 0 0;padding:0 6px;color:transparent;font:inherit;user-select:none}
.gap.open{color:var(--fg);background:transparent;border-bottom-color:var(--good);font-weight:600;user-select:auto}
.rate{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.rate button{border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:12px 4px;font-weight:600;font-size:13px}
.rate .r0{color:var(--bad)} .rate .r1{color:var(--warn)} .rate .r2{color:var(--good)}
.modes{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mode{border:1px solid var(--line);background:var(--surface);border-radius:14px;padding:14px;text-align:left;display:flex;flex-direction:column;gap:4px}
.mode b{font-family:var(--display);font-size:16px}
.mode span{font-size:13px;color:var(--muted)}

/* Plan */
.week{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;padding:12px 14px;border-bottom:1px solid var(--line)}
.week:last-child{border-bottom:0}
.week .kw{font-family:var(--mono);font-size:12px;color:var(--muted);min-width:44px}
.week.now{background:color-mix(in srgb,var(--accent) 8%,transparent)}
.week .t{min-width:0}
.pill{font-size:11px;font-weight:700;border-radius:999px;padding:3px 8px;white-space:nowrap}
.pill.ok{background:color-mix(in srgb,var(--good) 16%,transparent);color:var(--good)}
.pill.open{background:var(--line);color:var(--muted)}
.pill.cur{background:var(--accent);color:var(--accent-fg)}

.status{font-size:13px;padding:10px 12px;border-radius:10px;background:var(--line)}
.status.ok{background:color-mix(in srgb,var(--good) 14%,transparent)}
.status.err{background:color-mix(in srgb,var(--bad) 14%,transparent)}

nav.tabs{position:fixed;left:50%;transform:translateX(-50%);bottom:0;width:min(100%,460px);display:grid;grid-template-columns:repeat(4,1fr);background:var(--surface);border-top:1px solid var(--line);padding:8px 8px calc(8px + env(safe-area-inset-bottom,0px));z-index:5}
nav.tabs button{border:0;background:none;display:flex;flex-direction:column;align-items:center;gap:3px;font-size:11px;font-weight:600;color:var(--muted);padding:6px}
nav.tabs button[aria-current="page"]{color:var(--fg)}
nav.tabs svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
@media (prefers-reduced-motion:no-preference){ .bar i,.progress i{transition:width .4s ease} }