/* ==========================================================================
   Online rental (rent.html) + Pay My Bill — extends site.css tokens only.
   ========================================================================== */
.bk-step-head { display: flex; align-items: center; gap: .75rem; margin: 0 0 1.2rem; }
.bk-step-head h2 { margin: 0; }
.bk-num { width: 34px; height: 34px; border-radius: 50%; background: var(--navy); color: #fff; font-weight: 800;
          display: inline-flex; align-items: center; justify-content: center; flex: 0 0 auto; }
.bk-section { margin-bottom: 3rem; scroll-margin-top: 96px; }
.bk-section[hidden] { display: none; }

.fac-choice { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 640px) { .fac-choice { grid-template-columns: 1fr; } }
.fac-btn { text-align: left; background: var(--paper); border: 2px solid var(--line); border-radius: var(--radius);
           padding: 1.1rem 1.2rem; cursor: pointer; box-shadow: var(--shadow-sm); display: grid; gap: .15rem;
           transition: border-color .15s, box-shadow .15s; min-height: 44px; }
.fac-btn:hover { border-color: var(--blue); }
.fac-btn[aria-pressed="true"] { border-color: var(--navy); box-shadow: 0 0 0 3px var(--blue-light), var(--shadow-sm); }
.fac-btn b { color: var(--navy); font-size: 1.08rem; }
.fac-btn span { color: var(--muted); font-size: .92rem; }

.bk-meta { color: var(--muted); font-size: .92rem; }
.bk-opt { color: var(--muted-2); font-weight: 500; }
.bk-center { text-align: center; margin: 1rem 0 0; }
.bk-loading { display: flex; align-items: center; gap: .7rem; color: var(--muted); font-weight: 650; padding: 1rem 0; }
.bk-spin { width: 18px; height: 18px; border-radius: 50%; border: 3px solid var(--blue-light); border-top-color: var(--blue);
           animation: bk-spin .8s linear infinite; }
@keyframes bk-spin { to { transform: rotate(360deg); } }
.bk-alert h3 { margin-bottom: .3rem; }
.bk-alert-inline { border-left: 4px solid var(--gold); background: var(--gold-tint); padding: .8rem 1rem; border-radius: var(--radius-sm); margin-bottom: 1rem; }
.bk-alert-inline p:last-child { margin: 0; }
.bk-locked { border-left: 4px solid var(--red); margin-bottom: 1rem; }

.unit-card.is-full { opacity: .72; }
.unit-card.is-picked { border-color: var(--navy); box-shadow: 0 0 0 3px var(--blue-light), var(--shadow); }

.bk-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 1.2rem; align-items: start; }
@media (max-width: 860px) { .bk-grid { grid-template-columns: 1fr; } }
.bk-summary { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem;
              padding-bottom: 1rem; margin-bottom: 1.1rem; border-bottom: 1px solid var(--line-soft); }
.bk-fieldset { border: 0; padding: 0; margin: 0 0 1.1rem; }
.bk-fieldset legend { font-weight: 750; color: var(--navy); font-size: .91rem; margin-bottom: .4rem; }
.bk-radio { display: flex; gap: .65rem; align-items: flex-start; border: 1px solid var(--line); border-radius: var(--radius-sm);
            padding: .7rem .85rem; margin-bottom: .5rem; cursor: pointer; }
.bk-radio input { margin-top: 4px; width: 18px; height: 18px; flex: 0 0 auto; }
.bk-radio span { display: grid; }
.bk-radio b { color: var(--charcoal); font-size: .93rem; }
.bk-radio em { font-style: normal; color: var(--muted); font-size: .86rem; }
.bk-radio:has(input:checked) { border-color: var(--navy); background: var(--blue-tint); }

.bk-quote h3 { margin-bottom: .8rem; }
.bk-cost { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.bk-cost th { text-align: left; font-weight: 600; color: var(--charcoal); padding: .45rem 0; }
.bk-cost td { text-align: right; padding: .45rem 0; }
.bk-cost tbody tr + tr th, .bk-cost tbody tr + tr td { border-top: 1px solid var(--line-soft); }
.bk-cost tfoot th, .bk-cost tfoot td { border-top: 2px solid var(--navy); font-weight: 800; color: var(--navy); font-size: 1.12rem; padding-top: .7rem; }

.bk-form h3 { margin-top: .4rem; }
.bk-pay-h { margin-top: 1.6rem !important; padding-top: 1.2rem; border-top: 1px solid var(--line-soft); }
.bk-form .form-2 { gap: 0 1rem; }
.bk-sz { display: grid; grid-template-columns: 90px 1fr; gap: 0 .8rem; }
.bk-form-error:empty { display: none; }
.bk-form-error { margin-bottom: 1rem; }
.bk-form [aria-invalid="true"] { border-color: var(--red) !important; }
.bk-alt { border: 1px dashed var(--line); border-radius: var(--radius-sm); padding: .75rem .9rem; margin: .4rem 0 1rem; }
.bk-alt summary { cursor: pointer; font-weight: 700; color: var(--navy); }
.bk-alt[open] summary { margin-bottom: .6rem; }
.bk-form .btn-block { margin-top: .6rem; white-space: normal; }

.bk-done h2 { margin-top: .2rem; }
.bk-dl { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: .8rem; margin: 1.2rem 0; }
.bk-dl div { background: var(--blue-tint); border-radius: var(--radius-sm); padding: .8rem 1rem; }
.bk-dl dt { font-size: .8rem; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.bk-dl dd { margin: .15rem 0 0; font-size: 1.25rem; font-weight: 800; color: var(--navy); word-break: break-word; }
.bk-directions { white-space: normal; }
.bk-agreement { max-height: 420px; overflow: auto; border: 1px solid var(--line); border-radius: var(--radius-sm);
                padding: 1rem 1.1rem; font-size: .9rem; background: var(--paper); margin-bottom: 1rem; }
.bk-agreement table { border-collapse: collapse; }
.bk-agreement td, .bk-agreement th { border: 1px solid var(--line-soft); padding: .25rem .4rem; }

/* Pay My Bill */
.pay-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
@media (max-width: 700px) { .pay-cards { grid-template-columns: 1fr; } }
.pay-card h2 { font-size: 1.4rem; margin-bottom: .2rem; }
.pay-card p { color: var(--muted); }