:root{
  --bg:#fff; --surface:#f4f4f4; --ink:#111; --muted:#5f5f5f; --accent:#1a4be0; --accent-ink:#fff; --danger:#b3261e;
  --m:clamp(20px,5vw,72px);
  --display:'League Spartan',system-ui,sans-serif; --text:'Figtree',system-ui,sans-serif;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1.0625rem/1.55 var(--text);-webkit-font-smoothing:antialiased}
h1,h2,h3,p,ul{margin:0}
a{color:var(--accent);text-underline-offset:3px}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.display{font-family:var(--display);font-weight:700;letter-spacing:-.04em;line-height:.9;text-transform:lowercase}
.top{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px var(--m);flex-wrap:wrap}
.brand{font-family:var(--display);font-weight:700;font-size:1.375rem;letter-spacing:-.03em;color:var(--ink);text-decoration:none;text-transform:lowercase}
.top nav a{font-weight:600}
.banner{margin:0 var(--m);padding:14px 18px;background:var(--surface);font-size:.9375rem}
.hero{padding:clamp(40px,7vw,96px) var(--m) clamp(28px,4vw,56px)}
.hero h1{font-size:clamp(2.75rem,7vw,6.5rem);max-width:12ch}
.hero p{margin-top:20px;max-width:46ch;color:var(--muted);font-size:1.125rem}
.book{display:grid;grid-template-columns:minmax(0,3fr) minmax(0,2fr);gap:clamp(32px,5vw,80px);padding:0 var(--m) clamp(64px,9vw,128px);align-items:start}
.calhead{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px}
.legend{display:flex;gap:18px;flex-wrap:wrap;font-size:.9375rem;color:var(--muted)}
.legend span{display:inline-flex;align-items:center;gap:8px}
.legend i{width:14px;height:14px;display:block}
.nav{display:flex;gap:6px}
.nav button{width:44px;height:44px;border:0;background:var(--surface);font-size:1.25rem}
.nav button:hover{background:var(--ink);color:#fff}
.months{min-height:420px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 24px}
.month h2{font-family:var(--display);font-weight:700;font-size:1.5rem;letter-spacing:-.02em;text-transform:lowercase;margin-bottom:10px}
.grid{display:grid;grid-template-columns:repeat(7,1fr);gap:2px}
.wd{font-size:.8125rem;color:var(--muted);text-align:center;padding:4px 0}
.day{min-height:46px;border:0;background:var(--surface);font-weight:600;font-variant-numeric:tabular-nums}
.day.blank{background:none;pointer-events:none}
.day.free:hover{background:var(--ink);color:#fff}
.day.busy{background:#e4e4e4;color:#7a7a7a;text-decoration:line-through;cursor:not-allowed}
.day.past{opacity:.4;cursor:not-allowed}
.day.range{background:#dbe4ff}
.day.sel{background:var(--accent);color:var(--accent-ink)}
.panel{position:sticky;top:24px;background:var(--surface);padding:clamp(20px,3vw,36px)}
.panel h2{font-family:var(--display);font-weight:700;font-size:2rem;letter-spacing:-.03em;text-transform:lowercase;line-height:1;margin-bottom:6px}
.summary{margin:18px 0 22px;min-height:78px}
.summary .big{font-family:var(--display);font-weight:700;font-size:2.5rem;letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums}
.summary .dates{font-weight:600}
.summary small{display:block;color:var(--muted);margin-top:6px;font-size:.9375rem}
form{display:grid;gap:14px}
label{display:grid;gap:6px;font-weight:600;font-size:.9375rem}
input,select,textarea{width:100%;min-height:48px;padding:11px 13px;border:0;background:#fff;border-radius:0}
textarea{min-height:92px;resize:vertical}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.err{color:var(--danger);font-weight:600;font-size:.875rem;min-height:1.1em}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 26px;border:0;background:var(--accent);color:var(--accent-ink);font-weight:600;text-decoration:none}
.btn:hover{background:#1237ad}
.btn[disabled]{background:#9aa6d6;cursor:not-allowed}
.btn.ghost{background:#fff;color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:#fff}
.btn.sm{min-height:40px;padding:0 16px;font-size:.9375rem}
.btn.danger{background:#fff;color:var(--danger)}
.btn.danger:hover{background:var(--danger);color:#fff}
.ok{background:var(--ink);color:#fff;padding:18px}
.ok b{display:block;font-family:var(--display);font-size:1.5rem;letter-spacing:-.02em;text-transform:lowercase}
footer{padding:28px var(--m) 40px;font-size:.9375rem;color:var(--muted)}
.wrap{padding:0 var(--m) 72px;max-width:1200px}
.login{max-width:420px;margin:0 var(--m) 72px;background:var(--surface);padding:28px}
.stats{display:flex;gap:12px;flex-wrap:wrap;margin:0 0 28px}
.stat{background:var(--surface);padding:14px 20px;min-width:130px}
.stat b{display:block;font-family:var(--display);font-size:2rem;letter-spacing:-.03em;line-height:1}
.tabs{display:flex;gap:6px;margin-bottom:20px;flex-wrap:wrap}
.tabs button{min-height:44px;padding:0 18px;border:0;background:var(--surface);font-weight:600}
.tabs button[aria-pressed=true]{background:var(--ink);color:#fff}
.req{background:var(--surface);padding:18px 20px;margin-bottom:8px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px 24px;align-items:start}
.req h3{font-size:1.125rem;font-weight:600}
.req .meta{color:var(--muted);font-size:.9375rem}
.req .msg{margin-top:6px;background:#fff;padding:8px 12px;font-size:.9375rem}
.req .acts{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.tag{display:inline-block;padding:2px 10px;font-size:.8125rem;font-weight:600;background:#fff;margin-left:8px}
.tag.new{background:var(--accent);color:#fff}
.tag.confirmed{background:var(--ink);color:#fff}
.tag.declined{color:var(--muted)}
.blockform{display:flex;gap:10px;flex-wrap:wrap;align-items:end;margin-bottom:20px}
.blockform label{min-width:150px}
.empty{color:var(--muted);padding:12px 0}
@media (prefers-reduced-motion:no-preference){.day,.btn,.nav button{transition:background .15s,color .15s}}
@media (max-width:900px){
  .book{grid-template-columns:1fr}
  .panel{position:static}
  .months{grid-template-columns:1fr}
  .req{grid-template-columns:1fr}
}