:root{
  --paper:#eef2f1;
  --surface:#ffffff;
  --surface-2:#f6f9f8;
  --ink:#0e1c20;
  --ink-2:#4a5d61;
  --ink-3:#7b8d90;
  --line:#d4dedd;
  --line-2:#e6eceb;
  --accent:#0d6b78;
  --accent-ink:#ffffff;
  --yes:#1d7a4f;
  --yes-soft:#d5ebdf;
  --maybe:#c07d10;
  --maybe-soft:#f6e6c8;
  --blocked:#c3cdcc;
  --danger:#a33a27;
  --radius:10px;
  --shadow:0 1px 2px rgba(14,28,32,.06), 0 6px 18px rgba(14,28,32,.06);
  color-scheme:light dark;
}
@media (prefers-color-scheme: dark){
  :root{
    --paper:#0c1415;
    --surface:#141f20;
    --surface-2:#1a2627;
    --ink:#e7efed;
    --ink-2:#a7bab8;
    --ink-3:#7b908e;
    --line:#2b3a3a;
    --line-2:#223030;
    --accent:#3fa5b2;
    --accent-ink:#06201f;
    --yes:#4cb583;
    --yes-soft:#17382a;
    --maybe:#dba33f;
    --maybe-soft:#3a2d12;
    --blocked:#33403f;
    --danger:#e08471;
    --shadow:0 1px 2px rgba(0,0,0,.4), 0 6px 18px rgba(0,0,0,.3);
  }
}

*{box-sizing:border-box}
html,body{margin:0; padding:0}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:"Instrument Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size:15px; line-height:1.45;
  -webkit-text-size-adjust:100%;
}
h1,h2,h3{font-family:"Bricolage Grotesque", system-ui, sans-serif; font-weight:800; text-wrap:balance; margin:0; letter-spacing:-.015em}
img{max-width:100%}
[hidden]{display:none !important}
.mono{font-family:"IBM Plex Mono", ui-monospace, monospace; font-variant-numeric:tabular-nums}

.shell{max-width:440px; margin:0 auto; padding-inline:16px; padding-block:14px calc(40px + env(safe-area-inset-bottom, 0px)); display:flex; flex-direction:column; gap:14px}
.brand{display:flex; align-items:center; gap:8px; font-size:12px; letter-spacing:.09em; text-transform:uppercase; color:var(--ink-3); font-weight:600}
.brand::before{content:""; width:8px; height:8px; border-radius:50%; background:var(--accent)}

.app{background:var(--surface); border:1px solid var(--line); border-radius:14px; box-shadow:var(--shadow); overflow:hidden}
.app-head{padding:16px 16px 14px; border-bottom:1px solid var(--line-2); display:flex; flex-direction:column; gap:10px}
.eyebrow{font-size:11.5px; letter-spacing:.09em; text-transform:uppercase; color:var(--ink-3); font-weight:600; margin:0}
.app-head h1{font-size:23px; line-height:1.15}
.facts{display:flex; flex-wrap:wrap; gap:6px}
.fact{font-size:12px; font-weight:500; color:var(--ink-2); background:var(--surface-2); border:1px solid var(--line-2); border-radius:999px; padding:3px 9px}
.fact strong{color:var(--ink); font-weight:600}
.whoami{display:flex; align-items:center; justify-content:space-between; gap:10px; font-size:13px; color:var(--ink-2)}
.whoami b{color:var(--ink)}
.linkish{background:none; border:0; padding:0; font:inherit; font-size:13px; color:var(--accent); text-decoration:underline; text-underline-offset:2px; cursor:pointer}

.section{padding:16px; display:flex; flex-direction:column; gap:12px; border-top:1px solid var(--line-2)}
.section:first-of-type{border-top:0}
.section h2{font-size:15px; letter-spacing:0}
.section-head{display:flex; align-items:baseline; justify-content:space-between; gap:10px}
.hint{font-size:12.5px; color:var(--ink-3); margin:0}
.warn{font-size:12.5px; color:var(--maybe); margin:0}

/* Raster */
.gridwrap{overflow-x:auto; margin-inline:-2px; padding-inline:2px}
table.grid{border-collapse:separate; border-spacing:2px; width:100%; table-layout:fixed}
table.grid th{font-weight:600; font-size:11px; color:var(--ink-3); padding:0 0 2px}
table.grid th.time{font-family:"IBM Plex Mono", monospace; text-align:left}
.daybtn{width:100%; min-width:0; font:inherit; font-size:12px; font-weight:600; color:var(--ink); background:var(--surface-2); border:1px solid var(--line-2); border-radius:7px; padding:6px 4px; cursor:pointer; text-align:left; line-height:1.2}
.daybtn span{display:block; font-size:9.5px; letter-spacing:-.02em; color:var(--ink-3); font-weight:500; font-family:"IBM Plex Mono", monospace}
.daybtn:focus-visible,.cell:focus-visible{outline:2px solid var(--accent); outline-offset:1px}
td.cellcol{padding:0}
.cell{width:100%; height:34px; border-radius:6px; border:1px solid var(--line-2); background:var(--surface-2); cursor:pointer; padding:0; touch-action:none}
.cell[data-state="1"]{background:var(--yes); border-color:var(--yes)}
.cell[data-state="2"]{background:var(--maybe); border-color:var(--maybe)}
.cell[data-blocked="true"]{background:repeating-linear-gradient(135deg, var(--blocked) 0 3px, transparent 3px 6px), var(--surface-2)}
.cell[data-blocked="true"][data-state="1"]{background:repeating-linear-gradient(135deg, rgba(0,0,0,.22) 0 3px, transparent 3px 6px), var(--yes)}
.cell[data-blocked="true"][data-state="2"]{background:repeating-linear-gradient(135deg, rgba(0,0,0,.22) 0 3px, transparent 3px 6px), var(--maybe)}
.cell[disabled]{cursor:default; opacity:.85}
.legend{display:flex; flex-wrap:wrap; gap:10px 14px; font-size:12px; color:var(--ink-2)}
.legend span{display:flex; align-items:center; gap:6px}
.sw{width:14px; height:14px; border-radius:4px; border:1px solid var(--line-2); background:var(--surface-2); flex:none}
.sw.yes{background:var(--yes); border-color:var(--yes)}
.sw.maybe{background:var(--maybe); border-color:var(--maybe)}
.sw.blocked{background:repeating-linear-gradient(135deg, var(--blocked) 0 3px, transparent 3px 6px), var(--surface-2)}

/* Treffer */
.slots{display:flex; flex-direction:column; gap:8px; list-style:none; margin:0; padding:0}
.slot{border:1px solid var(--line-2); border-radius:var(--radius); padding:11px 12px; display:flex; flex-direction:column; gap:7px; background:var(--surface)}
.slot.top{border-color:var(--yes); background:var(--yes-soft)}
.slot-top{display:flex; align-items:baseline; justify-content:space-between; gap:8px}
.slot-when{font-family:"IBM Plex Mono", monospace; font-size:14.5px; font-weight:600}
.badge{font-size:11px; font-weight:600; padding:2px 8px; border-radius:999px; white-space:nowrap}
.badge.full{background:var(--yes); color:#fff}
.badge.part{background:var(--maybe-soft); color:var(--maybe); border:1px solid var(--maybe)}
.slot-meta{display:flex; flex-wrap:wrap; gap:4px 10px; font-size:12.5px; color:var(--ink-2)}
.slot-meta .mono{color:var(--ink)}
.who{font-size:12.5px; color:var(--ink-2); margin:0}
.who b{color:var(--ink); font-weight:600}
.who i{font-style:normal; color:var(--maybe)}
.empty{font-size:13px; color:var(--ink-3); padding:14px; border:1px dashed var(--line); border-radius:var(--radius); text-align:center}

/* Buttons und Listen */
.btn{font:inherit; font-size:14px; font-weight:600; border-radius:9px; padding:10px 14px; border:1px solid var(--accent); background:var(--accent); color:var(--accent-ink); cursor:pointer}
.btn.ghost{background:var(--surface); color:var(--accent)}
.btn.small{font-size:12.5px; padding:6px 10px; border-radius:7px}
.btn.danger{background:var(--surface); border-color:var(--line); color:var(--danger)}
.btn[disabled]{opacity:.55; cursor:default}
.btn:focus-visible{outline:2px solid var(--accent); outline-offset:2px}
.btnrow{display:flex; gap:8px; flex-wrap:wrap}
.people{list-style:none; margin:0; padding:0; display:flex; flex-direction:column}
.people li{display:flex; align-items:center; gap:9px; padding:8px 0; border-bottom:1px solid var(--line-2); font-size:14px}
.people li:last-child{border-bottom:0}
.dot{width:8px; height:8px; border-radius:50%; flex:none; background:var(--yes)}
.dot.off{background:var(--line)}
.people .state{margin-left:auto; font-size:12px; color:var(--ink-3)}
.msg{font-family:"IBM Plex Mono", monospace; font-size:12.5px; line-height:1.5; background:var(--surface-2); border:1px solid var(--line-2); border-radius:var(--radius); padding:11px 12px; white-space:pre-wrap; color:var(--ink-2); margin:0}
.field{display:flex; flex-direction:column; gap:4px}
.field label{font-size:12px; font-weight:600; color:var(--ink-2)}
.field input,.field select{font:inherit; font-size:14px; color:var(--ink); background:var(--surface-2); border:1px solid var(--line); border-radius:8px; padding:8px 10px; width:100%}
.two{display:grid; grid-template-columns:1fr 1fr; gap:10px}
.daypick{display:flex; flex-wrap:wrap; gap:6px}
.daypick label{font-size:12.5px; font-weight:600; color:var(--ink-2); background:var(--surface-2); border:1px solid var(--line); border-radius:8px; padding:7px 10px; cursor:pointer}
.daypick input{position:absolute; opacity:0; pointer-events:none}
.daypick input:checked + span{color:var(--accent-ink)}
.daypick label:has(input:checked){background:var(--accent); border-color:var(--accent); color:var(--accent-ink)}
.daypick label:has(input:focus-visible){outline:2px solid var(--accent); outline-offset:2px}
.linkbox{display:flex; gap:8px; align-items:center}
.linkbox code{font-family:"IBM Plex Mono", monospace; font-size:11.5px; color:var(--ink-2); background:var(--surface-2); border:1px solid var(--line-2); border-radius:7px; padding:7px 9px; flex:1; min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap}

/* Gebucht */
.booked{background:var(--yes-soft); border:1px solid var(--yes); border-radius:var(--radius); padding:14px; display:flex; flex-direction:column; gap:8px}
.booked .when{font-family:"IBM Plex Mono", monospace; font-size:17px; font-weight:600; color:var(--ink); margin:0}
.booked h2{color:var(--yes); font-size:13px; letter-spacing:.06em; text-transform:uppercase; font-family:"Instrument Sans", sans-serif; font-weight:600}

.foot{font-size:11.5px; color:var(--ink-3); text-align:center}
.foot a{color:var(--ink-3)}

dialog{border:1px solid var(--line); border-radius:14px; background:var(--surface); color:var(--ink); padding:18px; max-width:340px; width:calc(100vw - 32px); margin:auto; box-shadow:var(--shadow)}
dialog::backdrop{background:rgba(8,18,20,.45)}
dialog form{display:flex; flex-direction:column; gap:12px}
dialog h2{font-size:17px}

#toast{position:fixed; left:50%; bottom:calc(18px + env(safe-area-inset-bottom, 0px)); transform:translateX(-50%); background:var(--ink); color:var(--paper); font-size:13px; font-weight:600; padding:9px 14px; border-radius:999px; box-shadow:var(--shadow); z-index:10}
.spinner{font-size:13px; color:var(--ink-3); padding:20px; text-align:center}

@media (prefers-reduced-motion: no-preference){
  .cell{transition:background-color .09s ease}
}