:root{--bg:#000;--card:#111;--muted:#bbb;--accent:#fff}
*{box-sizing:border-box}
body{margin:0;font-family:Montserrat,system-ui,-apple-system,Segoe UI,Roboto,Arial;color:var(--accent);background:var(--bg);}
.page{max-width:1100px;margin:48px auto;padding:28px}
h1{margin:0 0 6px;font-size:32px}
p.sub{color:var(--muted);margin:0 0 22px}
form{background:var(--card);padding:20px;border:2px solid rgba(255,255,255,.06)}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label{display:block;font-weight:600;margin-bottom:6px}
input[type=text],input[type=email],input[type=tel],select,textarea{width:100%;padding:10px;border:1px solid rgba(255,255,255,.12);background:#0b0b0b;color:var(--accent)}
textarea{min-height:90px;resize:vertical}
.full{grid-column:1/-1}
.duration-input{display:flex;gap:8px}
.duration-input input{flex:1;min-width:80px}
.duration-input select{width:120px}
.date-input input{width:100%;padding:10px;border:1px solid rgba(255,255,255,.12);background:#0b0b0b;color:var(--accent)}
.date-input{display:block}

/* Make native date-picker calendar icon visible/white in Chromium-based browsers */
input[type="date"]{color:var(--accent);}
input[type="date"]::-webkit-calendar-picker-indicator{
	filter: invert(1) brightness(2);
	opacity: 1;
}
.actions{display:flex;gap:12px;justify-content:flex-end;margin-top:14px}
button{padding:10px 16px;border:0;font-weight:700;cursor:pointer}
.btn-primary{background:#fff;color:#000}
.btn-muted{background:transparent;border:1px solid rgba(255,255,255,.12);color:var(--accent)}
.note{color:var(--muted);font-size:14px;margin-top:8px}
.result{margin-top:18px;padding:14px;background:#0a0a0a;border:1px solid rgba(255,255,255,.04)}
@media(max-width:760px){.grid{grid-template-columns:1fr}.actions{justify-content:stretch} .actions button{flex:1}}