:root{--ink:#163844;--teal:#0b4d63;--available:#d6efda;--booked:#f4c4c8;--provisional:#eda15b;--owner:#ffe45d;--muted:#546d75;--border:#d1e1e6}*{box-sizing:border-box}body{margin:0;background:#eaf5f8;color:var(--ink);font:16px/1.5 system-ui,-apple-system,sans-serif}header{background:var(--teal);padding:24px max(24px,calc((100vw - 1120px)/2));display:flex;justify-content:space-between;align-items:center;gap:20px;color:white}.brand{font-family:Georgia,serif;font-size:1.7rem;letter-spacing:.06em;text-decoration:none;color:white}.brand span{display:block;font:11px/1.8 system-ui;letter-spacing:.14em}.back{font-size:.9rem;color:white;text-underline-offset:5px}main{max-width:1120px;margin:auto;padding:32px 24px}.heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:22px}.eyebrow{font-size:.8rem;font-weight:700;letter-spacing:.16em;color:var(--teal);margin:0 0 6px}h1{font-family:Georgia,serif;font-weight:400;font-size:clamp(2rem,4vw,2.8rem);line-height:1.15;margin:0}h2{font-family:Georgia,serif;font-weight:400;margin:0;font-size:1.8rem}.times{font-size:.9rem;text-align:right}.times strong{margin-left:10px}.times small{display:block;color:var(--muted);font-size:.8rem}.preview{background:#fff;border:1px solid var(--border);border-left:4px solid var(--teal);border-radius:4px;padding:10px 16px;display:flex;flex-wrap:wrap;gap:4px 16px;font-size:.9rem;margin-bottom:20px}.preview span{color:var(--muted)}.calendar-shell{background:white;border:1px solid var(--border);border-radius:12px;box-shadow:0 8px 30px #0b4d6309;padding:24px}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px}.month-nav{display:flex;align-items:center;gap:8px}button,input,select{font:inherit;color:inherit}button,select,input{border:1px solid #a3bdc6;border-radius:6px;background:white;padding:10px 12px}button{cursor:pointer;font-weight:600}button:disabled{opacity:.35;cursor:default}button:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid var(--teal);outline-offset:3px}.month-nav button{font-size:1.5rem;line-height:1;width:42px;height:42px}.month-nav select{font-size:1rem;font-weight:600;max-width:230px}.quiet{font-size:.9rem;border:0;color:var(--teal);background:transparent;text-decoration:underline;text-underline-offset:4px}.legend{display:flex;gap:14px 22px;flex-wrap:wrap;border-bottom:1px solid var(--border);padding:20px 0;font-size:.9rem}.legend span{display:flex;align-items:center;gap:7px}.legend i{width:17px;height:17px;border-radius:3px;border:1px solid #0002}.available{background:var(--available)}.booked{background:var(--booked)}.provisional{background:var(--provisional)}.owner{background:var(--owner)}.calendars{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;padding-top:20px}.month h3{font:500 1.45rem Georgia,serif;margin:0 0 16px}.weekdays,.grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:5px}.weekdays{color:var(--muted);font-size:.8rem;text-align:center;margin-bottom:8px}.day{aspect-ratio:1.05;position:relative;border:1px solid #00000016;display:flex;align-items:center;justify-content:center;font-size:1rem;font-weight:600;padding:0;border-radius:6px}.day small{position:absolute;bottom:3px;font-size:.7rem;font-weight:400}.day.selected{outline:3px solid var(--teal);outline-offset:-3px}.day.in-range{box-shadow:inset 0 -4px var(--teal)}.day.past{opacity:.5}.day:hover{border-color:var(--teal);box-shadow:inset 0 0 0 1px var(--teal)}.calendar-note{border-top:1px solid var(--border);margin-top:20px;padding-top:14px;display:flex;gap:12px;align-items:center}.calendar-note p{margin:0;font-size:.85rem;color:var(--muted)}.split-sample{flex-shrink:0;width:26px;height:26px;border-radius:4px;background:linear-gradient(135deg,var(--booked) 50%,var(--available) 50%);border:1px solid #0002}.stay{display:grid;grid-template-columns:1fr 2fr;gap:25px;margin-top:24px;padding:26px;background:white;border:1px solid var(--border);border-radius:12px}.stay p{font-size:.9rem;color:var(--muted)}.fields{display:flex;flex-wrap:wrap;gap:12px;align-items:end}.fields label{display:flex;flex:1;flex-direction:column;gap:5px;font-size:.9rem;min-width:140px}.fields input{width:100%;min-width:0}.fields button{background:var(--teal);color:white;border-color:var(--teal);min-height:46px}#result{margin-top:15px;font-size:.95rem}#result.success{background:var(--available);padding:12px;border-radius:6px}#result.error{background:var(--booked);padding:12px;border-radius:6px}#clear{padding-left:0}footer{text-align:center;color:var(--muted);font-size:.85rem;margin-top:26px}footer span{font-size:.8rem}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}@media(max-width:760px){header{padding:18px 20px}.brand{font-size:1.4rem}.brand span{font-size:10px}.back{max-width:100px;text-align:right}main{padding:24px 16px}.calendar-shell{padding:18px 12px}.calendars{grid-template-columns:1fr;gap:26px}.stay{grid-template-columns:1fr;padding:20px}.heading{align-items:start}.times{font-size:.8rem}.legend{gap:10px 16px;font-size:.8rem}.toolbar{flex-wrap:wrap}.day{aspect-ratio:1.15;font-size:1rem}.day small{font-size:.68rem}.month-nav select{max-width:190px}.preview{font-size:.8rem}}