*{box-sizing:border-box}
:root{--ink:#1b1b1b;--muted:#666;--bg:#f6f6f4;--card:#fff;--line:#ddd;--brand:#1f3b4d;--accent:#0a7a5a;--mine:#dff3ea;--mineline:#0a7a5a;--busy:#eef1f3;--warn:#fff4e0;--danger:#a33}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg);padding-bottom:calc(64px + env(safe-area-inset-bottom))}
body.plain{padding-bottom:0}
a{color:#0a5a8a}
header{background:var(--brand);color:#fff;padding:calc(10px + env(safe-area-inset-top)) 16px 10px;display:flex;align-items:center;gap:12px;position:sticky;top:0;z-index:5}
header .brand{color:#fff;text-decoration:none;font-weight:700;font-size:18px;letter-spacing:.2px}
header .me{margin-left:auto;font-size:14px;opacity:.9;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:55%}
main{max-width:720px;margin:0 auto;padding:12px 16px 24px}
main.wide{max-width:1200px}
main.narrow{max-width:420px;padding-top:32px}
h1{font-size:22px;margin:8px 0 12px}h2{font-size:17px;margin:18px 0 8px}
.sub{margin:-8px 0 16px;color:var(--muted)}
.logo{text-align:center;margin-bottom:8px}.logo img{border-radius:16px}
.muted{color:var(--muted)}.small{font-size:14px}.center{text-align:center}.nw{white-space:nowrap}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:14px}
.msg{border-radius:10px;padding:10px 14px;margin-bottom:12px;border:1px solid}
.msg.ok{background:#e6f4ea;border-color:#b7dfc1}.msg.warn{background:var(--warn);border-color:#f1d49a}
.offline{background:#5a4b1a;color:#fff;text-align:center;padding:8px 12px;font-size:14px}
label{display:block;font-size:14px;color:#444;margin:12px 0 4px}
input[type=text],input[type=password],input[type=time],input[type=date],input[type=number],select{width:100%;padding:12px;border:1px solid #bbb;border-radius:10px;font:inherit;font-size:16px;background:#fff;min-height:44px}
button,.linkbtn{font:inherit;font-size:16px;border-radius:10px;border:1px solid #bbb;background:#fff;color:var(--ink);padding:10px 14px;min-height:44px;cursor:pointer;text-decoration:none;display:inline-block;text-align:center}
button.big{width:100%;background:var(--accent);color:#fff;border:0;font-weight:700;font-size:18px;padding:14px;margin-top:16px}
.linkbtn{width:100%;margin-top:10px;background:transparent;border:0;color:#0a5a8a}
.pill{display:inline-block;padding:6px 12px;border-radius:999px;border:1px solid #bbb;background:#fff;font-size:14px;text-decoration:none;color:var(--ink);min-height:0;line-height:1.3}
.tag{display:inline-block;padding:1px 8px;border-radius:10px;font-size:12px;background:#fff3;color:#fff;margin-left:6px}
.tag.off{background:#eee;color:#555}
.row{display:block;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:10px;text-decoration:none;color:var(--ink);font-weight:600}
.row .muted{display:block;font-weight:400;font-size:14px}
/* week bar */
.weekbar{display:flex;align-items:stretch;gap:4px;margin:4px 0 6px}
.weekbar .arrow{display:flex;align-items:center;justify-content:center;min-width:36px;font-size:26px;text-decoration:none;color:var(--ink);border-radius:10px}
.weekbar .arrow:active{background:#e8e8e4}
.days{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;flex:1}
.day{display:flex;flex-direction:column;align-items:center;justify-content:center;text-decoration:none;color:var(--ink);border-radius:10px;padding:6px 0;min-height:52px;background:#fff;border:1px solid var(--line)}
.day span{font-size:11px;text-transform:uppercase;color:var(--muted)}.day b{font-size:18px}
.day.closed{opacity:.45}.day.today b{color:var(--accent)}
.day.sel{background:var(--brand);border-color:var(--brand)}.day.sel span,.day.sel b{color:#fff}
.monthline{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:14px;margin-bottom:6px;min-height:28px}
.daytitle{font-size:20px;display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}
.daytitle .pill{font-weight:400}
/* grid */
.gridwrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 -16px;padding:0 16px}
table.grid{border-collapse:separate;border-spacing:4px 4px;width:100%;table-layout:fixed;min-width:calc(56px + 4 * 112px)}
table.grid th{font-size:13px;font-weight:600;color:#333;padding:4px 2px;text-align:center}
table.grid th.t{width:52px;text-align:right;padding-right:6px;font-weight:500;color:var(--muted);font-variant-numeric:tabular-nums;vertical-align:top;padding-top:12px}
table.grid thead th.t{padding-top:4px}
table.grid td{padding:0;vertical-align:top;height:56px}
a.free{display:flex;align-items:center;justify-content:center;height:100%;min-height:56px;border:1px dashed #bcc;border-radius:10px;color:#9aa;text-decoration:none;font-size:24px;background:#fff}
a.free:active{background:#e6f4ea;color:var(--accent)}
span.past{display:block;height:100%;min-height:56px;border-radius:10px;background:repeating-linear-gradient(135deg,#ececea 0 6px,#f3f3f1 6px 12px)}
.busy{height:100%;min-height:56px;border-radius:10px;background:var(--busy);border-left:4px solid #9aa5ad;padding:6px 8px;font-size:13px;display:flex;flex-direction:column;gap:2px;overflow:hidden}
.busy.mine{background:var(--mine);border-left-color:var(--mineline)}
.busy .when{font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}
.busy .who{font-weight:600;line-height:1.25;word-break:break-word}
.busy .note{color:#444;font-size:12px;line-height:1.25}
.busy form.inl{margin-top:auto}
button.x{padding:4px 10px;min-height:32px;font-size:13px;border-color:#c99;color:var(--danger);background:#fff}
tr.now th.t{color:var(--accent);font-weight:700}
/* lists */
ul.list{list-style:none;padding:0;margin:0}
ul.list .item{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin-bottom:8px;display:flex;gap:12px;align-items:center;flex-wrap:wrap}
ul.list .item.mine{border-left:4px solid var(--mineline)}
ul.list .item.past{opacity:.6}
ul.list .when{font-variant-numeric:tabular-nums;font-weight:600;min-width:120px}
ul.list .what{flex:1;min-width:140px}.what .note{color:#444;font-size:14px}
ul.list form.inl{margin-left:auto;display:flex;gap:6px;align-items:center}
ul.list form.inl input[type=text]{width:140px;min-height:36px;padding:6px 8px;font-size:14px}
ul.plain{padding-left:18px}ul.plain li{margin-bottom:6px}
.facts{display:grid;grid-template-columns:auto 1fr;gap:8px 16px;margin:0}
.facts dt{color:var(--muted);font-size:14px;padding-top:2px}.facts dd{margin:0;font-weight:600;font-size:17px}
.facts select{font-weight:600}
form.roomrow{display:flex;gap:8px;align-items:center;flex-wrap:wrap;width:100%}
form.roomrow input[type=text]{flex:1;min-width:140px}
.btns{display:flex;gap:6px;flex-wrap:wrap}.btns button{padding:8px 10px;min-height:40px;font-size:14px}
.chks{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.chk{display:flex;align-items:center;gap:8px;margin:0;font-size:16px;color:var(--ink);min-height:36px}
.chk input{width:22px;height:22px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
form.inline{display:flex;gap:8px;align-items:flex-end;flex-wrap:wrap;margin-bottom:12px}
form.inline label{margin:0 0 4px}form.inline input{width:auto}
table.plain{border-collapse:collapse;width:100%;background:#fff;font-size:14px}
table.plain th,table.plain td{border-bottom:1px solid #e3e3e3;padding:6px 8px;text-align:left;vertical-align:top}
table.plain th{background:#eef1f3}
/* bottom tabs */
nav.tabs{position:fixed;bottom:0;left:0;right:0;display:flex;background:#fff;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);z-index:5}
nav.tabs a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:56px;text-decoration:none;color:#555;font-size:12px}
nav.tabs a svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
nav.tabs a.on{color:var(--brand);font-weight:600}
body.is-offline a.free{pointer-events:none;opacity:.5}
body.is-offline button.x,body.is-offline button.big{display:none}
@media(min-width:700px){
  table.grid td{height:64px}
  .busy{font-size:14px}
}
@media print{
  header,nav.tabs,.pill,.offline,button{display:none!important}
  body{padding:0;background:#fff}
  main{max-width:none}
  ul.list .item{break-inside:avoid;border-color:#aaa}
}