:root{
  --bg:#f2f4ef; --paper:#fff; --ink:#1c2620; --muted:#5d6b62;
  --pine:#2f5d46; --pine-d:#244a38; --straw:#e0b44a; --straw-bg:#fbf1d4;
  --line:#d8ddd2; --danger:#b3402a; --danger-bg:#f8e3dd; --ok-bg:#dcebe2;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.45 var(--sans);padding-bottom:env(safe-area-inset-bottom)}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.2;margin:0}
h1{font-size:1.5rem} h2{font-size:1.2rem;margin-bottom:.6rem} h3{font-size:1.05rem}
.wrap{max-width:720px;margin:0 auto;padding:0 16px 40px}
.wrap.wide{max-width:1180px}
header.top{background:var(--pine);color:#fff;padding:14px 0 0;padding-top:max(14px,env(safe-area-inset-top))}
header.top .wrap{padding-bottom:0}
.top-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:12px}
.top-row .who{font-size:.9rem;opacity:.85}
.linkbtn{background:none;border:0;color:inherit;text-decoration:underline;font:inherit;cursor:pointer;padding:6px}
nav.tabs{display:flex;gap:4px;overflow-x:auto}
nav.tabs button{flex:1;background:transparent;color:#cfe0d6;border:0;border-bottom:3px solid transparent;padding:10px 14px;font:inherit;font-weight:600;cursor:pointer;white-space:nowrap}
nav.tabs button[aria-selected=true]{color:#fff;border-bottom-color:var(--straw)}
main{padding-top:18px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:14px 16px;margin-bottom:12px}
.lesson{display:grid;grid-template-columns:58px 1fr;gap:14px;border-left:6px solid var(--pine)}
.date{text-align:center;line-height:1}
.date .d{font:600 2rem var(--serif)} .date .w{font-size:.85rem;color:var(--muted);margin-top:2px} .date .m{font-size:.8rem;color:var(--muted)}
.lesson .time{font-weight:600}
.lesson .meta{color:var(--muted);font-size:.93rem;margin-top:2px}
.chip{display:inline-block;font-size:.8rem;font-weight:600;padding:2px 10px;border-radius:999px;background:var(--ok-bg);color:var(--pine-d);margin-right:6px}
.chip.offered{background:var(--straw-bg);color:#7a5a0a}
.chip.requested{background:#e6ecf6;color:#2c4d82}
.chip.off{background:#ebebe7;color:#666}
.chip.new{background:var(--straw);color:#3a2c05}
.lesson.faded{opacity:.6}
.lesson.offered{border-left-style:dashed}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.hint{font-size:.88rem;color:var(--muted);margin-top:8px}
button.btn,a.btn{display:inline-block;font:inherit;font-weight:600;border-radius:10px;padding:11px 18px;border:1px solid var(--pine);background:var(--pine);color:#fff;cursor:pointer;text-decoration:none;min-height:44px}
button.btn:hover{background:var(--pine-d)}
button.btn.ghost{background:transparent;color:var(--pine)}
button.btn.danger{background:transparent;color:var(--danger);border-color:var(--danger)}
button.btn.small{padding:6px 12px;min-height:34px;font-size:.9rem}
button.btn:disabled{opacity:.5;cursor:default}
:focus-visible{outline:3px solid var(--straw);outline-offset:2px}
label{display:block;font-weight:600;font-size:.93rem;margin:12px 0 4px}
input,select,textarea{width:100%;font:inherit;padding:10px 12px;border:1px solid #b9c2b5;border-radius:8px;background:#fff;color:var(--ink);min-height:44px}
textarea{min-height:80px;resize:vertical}
input[type=color]{padding:3px;min-width:56px;width:80px}
.row{display:flex;gap:10px}.row>*{flex:1}
.empty{text-align:center;color:var(--muted);padding:28px 8px}
.section-title{margin:22px 0 10px;font-size:1rem;color:var(--muted);font-family:var(--sans);font-weight:700}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(20px + env(safe-area-inset-bottom));background:var(--ink);color:#fff;padding:12px 18px;border-radius:10px;z-index:99;max-width:90vw;box-shadow:0 6px 24px rgba(0,0,0,.25)}
.toast.err{background:var(--danger)}
.msg{padding:12px 14px;border-radius:10px;background:var(--ok-bg);margin:12px 0}
.msg.err{background:var(--danger-bg)}
dialog{border:0;border-radius:16px;padding:20px;width:min(520px,94vw);max-height:92vh;box-shadow:0 20px 60px rgba(0,0,0,.3)}
dialog::backdrop{background:rgba(20,30,24,.5)}
.login{max-width:420px;margin:12vh auto 0}
.login h1{margin-bottom:6px}
.login p{color:var(--muted);margin:0 0 6px}
details summary{cursor:pointer;color:var(--muted);font-weight:600;padding:6px 0}

/* Verwaltung */
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.toolbar .grow{flex:1}
.weeklabel{font:600 1.15rem var(--serif);min-width:190px;text-align:center}
.legend{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}
.legend button{display:flex;align-items:center;gap:6px;border:1px solid var(--line);background:#fff;border-radius:999px;padding:5px 12px;font:inherit;font-size:.88rem;cursor:pointer}
.legend button[aria-pressed=true]{border-color:var(--ink);background:var(--ink);color:#fff}
.dot{width:12px;height:12px;border-radius:50%;display:inline-block;flex:none}
.week{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:8px}
.day{background:rgba(255,255,255,.55);border:1px solid var(--line);border-radius:12px;padding:8px;min-height:140px}
.day.today{background:#fff;border-color:var(--pine);box-shadow:inset 0 3px 0 var(--pine)}
.day-head{display:flex;justify-content:space-between;align-items:center;font-weight:700;font-size:.92rem;margin-bottom:6px}
.day-head button{border:0;background:transparent;color:var(--pine);font-size:1.3rem;cursor:pointer;line-height:1;padding:2px 6px}
.ev{display:block;width:100%;text-align:left;border:0;border-left:5px solid var(--c,var(--pine));background:color-mix(in srgb,var(--c,var(--pine)) 14%,white);color:var(--ink);border-radius:8px;padding:6px 8px;margin-bottom:6px;font:inherit;font-size:.85rem;cursor:pointer}
.ev b{display:block}
.ev small{display:block;color:#3d4a42}
.ev.offered{background:repeating-linear-gradient(135deg,color-mix(in srgb,var(--c) 14%,white) 0 8px,#fff 8px 14px)}
.ev.requested{outline:2px dashed var(--straw);outline-offset:-2px}
.ev.off{opacity:.5;text-decoration:line-through}
.badge{display:inline-block;background:var(--straw);color:#3a2c05;border-radius:999px;font-size:.72rem;font-weight:700;padding:0 7px;margin-left:4px;text-decoration:none}
.reqbar{background:var(--straw-bg);border:1px solid var(--straw);border-radius:12px;padding:10px 14px;margin-bottom:14px}
.reqbar .req{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap;padding:6px 0;border-top:1px solid rgba(0,0,0,.08)}
.reqbar .req:first-of-type{border-top:0}
table.list{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
table.list td,table.list th{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
table.list tr:last-child td{border-bottom:0}
.two{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.simple{display:flex;gap:8px;align-items:center;padding:8px 0;border-bottom:1px solid var(--line)}
.simple span{flex:1}
@media (max-width:900px){
  .week{grid-template-columns:1fr}
  .mcell{min-height:56px}.mev,.mmore{display:none}.mdots{display:flex}
  .day{min-height:0}
  .two{grid-template-columns:1fr}
  .hide-m{display:none}
  .weeklabel{min-width:0;flex:1}
}
@media (prefers-reduced-motion:no-preference){ dialog[open]{animation:pop .15s ease-out} @keyframes pop{from{transform:translateY(8px);opacity:0}} }

/* Monatsansicht */
.seg{display:inline-flex;border:1px solid var(--pine);border-radius:10px;overflow:hidden}
.seg button{border:0;background:#fff;color:var(--pine);font:inherit;font-weight:600;padding:6px 14px;min-height:34px;cursor:pointer}
.seg button[aria-pressed=true]{background:var(--pine);color:#fff}
.month{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:4px}
.mhead{font-size:.8rem;font-weight:700;color:var(--muted);text-align:center;padding:2px 0}
.mcell{background:rgba(255,255,255,.6);border:1px solid var(--line);border-radius:8px;min-height:108px;padding:4px;display:flex;flex-direction:column;gap:2px;cursor:pointer;min-width:0}
.mcell.other{opacity:.45}
.mcell.today{background:#fff;border-color:var(--pine);box-shadow:inset 0 3px 0 var(--pine)}
.mnum{font-weight:700;font-size:.85rem}
.mev{display:block;width:100%;text-align:left;border:0;border-left:4px solid var(--c,var(--pine));background:color-mix(in srgb,var(--c,var(--pine)) 14%,white);border-radius:4px;font:inherit;font-size:.72rem;padding:1px 4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer;color:var(--ink)}
.mev.off{opacity:.5;text-decoration:line-through}
.mev.requested{outline:1px dashed var(--straw);outline-offset:-1px}
.mmore{font-size:.72rem;color:var(--muted)}
.mdots{display:none;gap:3px;flex-wrap:wrap}
.mdots .dot{width:8px;height:8px}