body { background: var(--grey-50); }
    .booking-page { padding: 40px 0 80px; }
    .bk-card { background: var(--white); border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow-sm); border: 1.5px solid var(--grey-200); margin-bottom: 20px; }
    .bk-title { font-family: var(--font-display); font-size: 1.05rem; font-weight: 800; color: var(--grey-900); margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
    .bk-badge { width: 28px; height: 28px; border-radius: 50%; background: var(--green-primary); color: white; display: flex; align-items: center; justify-content: center; font-size: .78rem; font-weight: 800; flex-shrink: 0; }
    .venue-pick { display: flex; gap: 14px; align-items: center; background: var(--grey-50); border: 1.5px solid var(--grey-200); border-radius: var(--radius-sm); padding: 14px; }
    .venue-pick img { width: 70px; height: 60px; border-radius: var(--radius-sm); object-fit: cover; flex-shrink: 0; }
    .venue-pick h5 { font-family: var(--font-display); font-size: .95rem; font-weight: 700; margin: 0 0 4px; color: var(--grey-900); }
    .venue-pick p { font-size: .8rem; color: var(--grey-500); margin: 0; }
    .field-label { font-size: .78rem; font-weight: 700; color: var(--grey-600); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 6px; display: block; }
    .fc { border: 1.5px solid var(--grey-200); border-radius: var(--radius-sm); font-family: var(--font-body); font-size: .92rem; padding: 10px 14px; color: var(--grey-800); background: var(--grey-50); width: 100%; transition: border-color .2s, box-shadow .2s; }
    .fc:focus { border-color: var(--green-primary); box-shadow: 0 0 0 3px rgba(22,163,74,.12); outline: none; background: white; }
    .grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    @media(max-width:560px){ .grid2 { grid-template-columns: 1fr; } }
    .fg { margin-bottom: 16px; }
    .icon-input { position: relative; }
    .icon-input i { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--grey-400); font-size: .85rem; }
    .icon-input .fc { padding-left: 36px; }

    /* Court selector */
    .court-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
    .court-opt { padding: 12px; border: 2px solid var(--grey-200); border-radius: var(--radius-sm); text-align: center; cursor: pointer; transition: all .18s; }
    .court-opt:hover { border-color: var(--green-primary); background: #f0fdf4; }
    .court-opt.selected { border-color: var(--green-primary); background: var(--green-primary); color: white; }
    .court-opt .co-icon { font-size: 1.2rem; display: block; margin-bottom: 4px; }
    .court-opt .co-name { font-weight: 700; font-size: .82rem; }
    .court-opt .co-cap { font-size: .72rem; opacity: .7; }

    /* Time slots */
    .time-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
    @media(max-width:480px){ .time-grid { grid-template-columns: repeat(3, 1fr); } }
    .ts { padding: 10px 4px; text-align: center; border: 2px solid var(--grey-200); border-radius: var(--radius-sm); font-size: .82rem; font-weight: 600; color: var(--grey-700); cursor: pointer; transition: all .15s; background: var(--grey-50); }
    .ts:hover:not(.booked) { border-color: var(--green-primary); color: var(--green-primary); background: #f0fdf4; }
    .ts.sel { background: var(--green-primary); border-color: var(--green-primary); color: white; }
    .ts.booked { background: var(--grey-100); color: var(--grey-300); cursor: not-allowed; text-decoration: line-through; border-color: transparent; }

    /* Duration */
    .dur-chips { display: flex; gap: 10px; flex-wrap: wrap; }
    .dc { padding: 8px 18px; background: var(--grey-50); border: 2px solid var(--grey-200); border-radius: var(--radius-sm); font-family: var(--font-display); font-size: .88rem; font-weight: 700; color: var(--grey-700); cursor: pointer; transition: all .18s; }
    .dc.active, .dc:hover { background: var(--green-light); border-color: var(--green-primary); color: var(--green-dark); }

    /* Summary */
    .sum-card { background: white; border-radius: var(--radius-lg); padding: 24px; box-shadow: var(--shadow-md); border: 1.5px solid var(--grey-200); position: sticky; top: 80px; }
    .sum-row { display: flex; justify-content: space-between; font-size: .88rem; padding: 8px 0; border-bottom: 1px solid var(--grey-100); }
    .sum-row:last-of-type { border-bottom: none; }
    .sum-row .v { font-weight: 600; color: var(--grey-800); }
    .sum-total { display: flex; justify-content: space-between; padding-top: 14px; margin-top: 8px; border-top: 2.5px solid var(--grey-200); }
    .sum-total .price { font-family: var(--font-display); font-size: 1.4rem; font-weight: 800; color: var(--green-primary); }
    .btn-confirm { display: block; width: 100%; padding: 15px; background: var(--green-primary); color: white; border: none; border-radius: var(--radius-sm); font-family: var(--font-display); font-size: 1.05rem; font-weight: 800; cursor: pointer; transition: all .18s; margin-top: 16px; }
    .btn-confirm:hover { background: var(--green-dark); transform: translateY(-2px); box-shadow: 0 6px 24px rgba(22,163,74,.35); }
    .btn-confirm:disabled { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }

    /* No venue */
    .no-venue { text-align: center; padding: 60px 20px; }
    .no-venue i { font-size: 3rem; color: var(--grey-300); margin-bottom: 16px; display: block; }
    .no-venue p { color: var(--grey-500); margin-bottom: 16px; }

    /* Success */
    .ok-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 2000; display: none; align-items: center; justify-content: center; }
    .ok-modal { background: white; border-radius: 20px; padding: 48px 36px; text-align: center; max-width: 420px; width: 90%; animation: slideUp .4s ease; }
    @keyframes slideUp { from{opacity:0;transform:translateY(30px)} to{opacity:1;transform:translateY(0)} }
    .ok-icon { font-size: 4rem; color: var(--green-primary); margin-bottom: 16px; }
    .ok-ref { background: var(--green-light); border-radius: var(--radius-sm); padding: 14px; font-family: var(--font-display); font-size: 1.2rem; font-weight: 800; color: var(--green-dark); margin: 16px 0 24px; letter-spacing: 2px; }

    .alert-box { padding: 12px 16px; border-radius: var(--radius-sm); font-size: .85rem; margin-bottom: 16px; display: none; }
    .alert-box.error { background: #fef2f2; color: #dc2626; border: 1px solid #fecaca; display: flex; align-items: center; gap: 8px; }