.bkc-surface {
    --bkc-ink: #181a21;
    --bkc-muted: #5a5d68;
    --bkc-border: #d9dbe2;
    --bkc-fill: #f7f7f9;
    color: var(--bkc-ink);
    font: 400 16px/1.55 system-ui, -apple-system, sans-serif;
}
.bkc-surface *, .bkc-surface *::before, .bkc-surface *::after { box-sizing: border-box; }
.bkc-surface h2, .bkc-surface h3 { color: inherit; margin: 0 0 .55rem; line-height: 1.2; }
.bkc-surface h2 { font-size: clamp(1.65rem, 4vw, 2.2rem); letter-spacing: -.025em; }
.bkc-surface h3 { font-size: 1.18rem; }
.bkc-surface p { margin: .4rem 0 .85rem; }
.bkc-dialog {
    width: min(940px, calc(100% - 24px));
    max-width: none;
    max-height: calc(100vh - 24px);
    max-height: calc(100dvh - 24px);
    margin: auto;
    padding: 0;
    border: 1px solid var(--bkc-border);
    border-radius: 18px;
    background: white;
    box-shadow: 0 20px 90px #10121a40;
    overflow: auto;
    overscroll-behavior: contain;
}
.bkc-dialog::backdrop { background: #11131dcc; }
.bkc-dialog-content { padding: clamp(18px, 4vw, 38px); margin: 0; }
.bkc-document { margin: 1.25rem 0; }
.bkc-service { color: var(--bkc-muted); font-size: .9rem; }
.bkc-terms {
    color: #1f222a;
    background: #f7f7f9;
    border: 1px solid #d9dbe2;
    border-radius: 9px;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    padding: 1rem;
}
.bkc-dialog .bkc-terms { background: #fff; max-height: min(34vh, 320px); overflow: auto; }
.bkc-dialog .bkc-document > .bkc-service,
.bkc-dialog .bkc-document > h3,
.bkc-dialog .bkc-sign-fields label,
.bkc-dialog .bkc-button { font-size: 12px; }
.bkc-sign-fields { display: grid; gap: .9rem; margin: 1rem 0; }
.bkc-sign-fields label { font-size: 1rem; color: var(--bkc-ink); }
.bkc-sign-fields input[type="text"] {
    display: block;
    width: 100%;
    margin-top: .35rem;
    min-height: 44px;
    color: var(--bkc-ink);
    background: #fff;
    border: 1px solid #a5a8b2;
    border-radius: 7px;
    padding: .5rem .7rem;
    font: inherit;
}
.bkc-dialog .bkc-sign-fields input[type="text"] { font-size: 16px; }
.bkc-consent { display: flex; gap: .65rem; align-items: flex-start; }
.bkc-consent input[type="checkbox"] { width: 20px; height: 20px; flex: 0 0 auto; margin: .15em 0 0; }
.bkc-drawing canvas[aria-invalid="true"] { border-color: #a02231; }
.bkc-portal-card summary { cursor: pointer; }
.bkc-drawing canvas {
    display: block;
    width: min(100%, 460px);
    height: auto;
    margin: .55rem 0;
    background: #fff;
    border: 1px solid #a5a8b2;
    border-radius: 7px;
    touch-action: none;
}
.bkc-button {
    min-height: 44px;
    appearance: none;
    background: white;
    color: #181a21;
    border: 1px solid #8d919e;
    border-radius: 8px;
    padding: .55rem 1rem;
    font: 600 .93rem/1.25 system-ui, sans-serif;
    text-transform: none;
    cursor: pointer;
}
.bkc-button:hover { background: #efeff3; color: #181a21; }
.bkc-button:disabled { opacity: .65; cursor: progress; }
.bkc-primary, .bkc-primary:hover { background: #181a21; color: white; border-color: #181a21; }
.bkc-primary:hover { background: #333746; }
.bkc-surface :focus-visible { outline: 2px solid #3157ba; outline-offset: 3px; }
.bkc-actions, .bkc-download-row { display: flex; align-items: center; flex-wrap: wrap; gap: .65rem; }
.bkc-actions { justify-content: flex-end; margin-top: 1rem; }
.bkc-download-row { justify-content: space-between; padding: .8rem 0; }
.bkc-error { color: #a02231; }
.bkc-error:empty { display: none; }
@media (max-width: 600px) {
    .bkc-dialog { border-radius: 12px; }
    .bkc-dialog-content { padding: 16px; }
    .bkc-dialog .bkc-terms { max-height: none; overflow: visible; }
}
.bkc-booking-notice {
    background: #fff0f1;
    color: #812331;
    border: 1px solid #e5acb3;
    padding: .75rem 1rem;
    border-radius: 8px;
    font: 600 15px/1.45 system-ui, sans-serif;
}
.bkc-floating-notice { position: fixed; z-index: 2147483600; bottom: 12px; left: 12px; max-width: min(480px, calc(100% - 24px)); }
.bkc-portal { max-width: 900px; margin: 0 auto; }
[data-rsp-portal] .bkc-portal { margin: 2rem 0 0; }
.bkc-portal-card { border: 1px solid var(--bkc-border); border-radius: 11px; margin: .75rem 0; padding: .85rem 1rem; background: white; }
.bkc-portal-card summary strong { margin-right: .75rem; }
.bkc-status { color: var(--bkc-muted); font-size: .9rem; }
.bkc-signed-name { margin-top: 1rem !important; font-weight: 650; }
.bkc-signature-image {
    display: block;
    width: min(100%, 340px);
    height: 105px;
    background: white;
    margin: .4rem 0 1rem;
}
.bkc-signature-image polyline { fill: none; stroke: #181a21; stroke-width: 2; vector-effect: non-scaling-stroke; stroke-linejoin: round; stroke-linecap: round; }
.bkc-admin-panel { max-width: 930px; background: white; border: 1px solid #dcdcde; padding: 1rem 1.3rem; margin: 1rem 0; }
.bkc-inline { display: inline-block; vertical-align: top; margin: .2rem .3rem .2rem 0; }
.bkc-confirm summary { color: #2271b1; cursor: pointer; }
.bkc-admin .bkc-terms { max-height: 55vh; overflow: auto; }

/* 1.0.2: accessible, editorial contract cards */
.bkc-portal { max-width: 1100px; width: 100%; }
.bkc-portal-card { border: 1px solid #e8e8ea; border-radius: 22px; padding: 22px; margin: 0 0 20px; box-shadow: 0 6px 22px rgba(0,0,0,.065); background: #fff; }
.bkc-card-details > summary { list-style: none; }
.bkc-card-details > summary::-webkit-details-marker { display: none; }
.bkc-card-summary { display:flex; align-items:center; gap:16px; cursor:pointer; min-height:66px; }
.bkc-card-icon { display:grid; place-items:center; flex:0 0 54px; width:54px; height:54px; border-radius:50%; background:#161616; color:white; font-size:27px; }
.bkc-card-heading { display:flex; flex-direction:column; flex:1; min-width:0; gap:5px; }
.bkc-card-title { font-size:clamp(18px,2vw,23px); line-height:1.3; color:#111; overflow-wrap:anywhere; }
.bkc-card-subtitle { font-size:14px; color:#737373; }
.bkc-portal .bkc-status { font-size:12px; background:#f1f1f1; color:#252525; padding:8px 13px; border-radius:100px; white-space:nowrap; }
.bkc-card-meta { display:flex; flex-wrap:wrap; gap:12px 28px; border-top:1px solid #e9e9e9; padding:18px 0; margin-top:18px; color:#444; font-size:13px; }
.bkc-card-open { display:block; text-align:center; background:#f0f0f0; border-radius:13px; padding:14px; color:#111; font-size:14px; font-weight:650; cursor:pointer; }
.bkc-card-details[open] > .bkc-card-open { margin-bottom:18px; }
.bkc-card-details[open] > .bkc-card-open::after { content:' — expanded'; }
.bkc-surface, .bkc-surface p, .bkc-surface label, .bkc-surface button, .bkc-surface input, .bkc-surface small, .bkc-surface span { font-size: max(12px, 1em); }
.bkc-portal .bkc-card-subtitle { font-size:14px; }
.bkc-portal .bkc-card-open { font-size:14px; }
.bkc-portal .bkc-card-title { font-size:clamp(18px,2vw,23px); }
.bkc-portal .bkc-status { font-size:12px; }
@media(max-width:600px){.bkc-portal-card{padding:16px;border-radius:17px}.bkc-card-summary{gap:10px;flex-wrap:wrap}.bkc-card-icon{width:44px;height:44px;flex-basis:44px}.bkc-card-summary .bkc-status{margin-left:54px}.bkc-card-meta{flex-direction:column;gap:8px}}

/* 1.0.3: Reference-matched card layout; scoped to contract portal. */
.bkc-portal { max-width:none; width:100%; margin:0; }
[data-rsp-portal] .bkc-portal { margin:0; }
.bkc-portal .bkc-portal-card { background:#fff; padding:28px 32px; border:1px solid #e3e3e5; border-radius:30px; box-shadow:0 4px 13px rgba(0,0,0,.11); margin:0 0 28px; }
.bkc-portal .bkc-card-summary { display:flex; align-items:center; gap:30px; min-height:80px; cursor:default; }
.bkc-portal .bkc-card-icon { flex:0 0 84px; width:84px; height:84px; display:grid; place-items:center; border-radius:50%; background:#622aff; color:#fff; box-shadow:0 0 0 4px #f5f1ff; }
.bkc-portal .bkc-card-icon .bkc-ui-icon { width:44px; height:44px; }
.bkc-portal .bkc-card-heading { display:flex; flex:1; min-width:0; flex-direction:column; gap:4px; }
.bkc-portal .bkc-card-title { font-size:clamp(22px,2.8vw,32px); font-weight:720; color:#080808; line-height:1.18; letter-spacing:-.035em; }
.bkc-portal .bkc-card-subtitle { font-size:clamp(14px,1.65vw,21px); color:#586071; line-height:1.35; }
.bkc-portal .bkc-status { display:inline-flex; align-items:center; gap:10px; justify-content:center; align-self:flex-start; font-size:clamp(12px,1.6vw,20px); font-weight:600; border-radius:100px; padding:10px 18px; white-space:normal; color:#333; background:#efeff0; }
.bkc-portal .bkc-status-signed { color:#087b18; background:#e1f9e9; border:2px solid #c2edce; }
.bkc-portal .bkc-status .bkc-ui-icon { width:22px; height:22px; }
.bkc-portal .bkc-card-meta { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:24px; margin:24px 0 22px; padding:22px 12px 0; border-top:2px solid #e5e5e6; font-size:clamp(12px,1.5vw,19px); color:#171717; }
.bkc-portal .bkc-card-meta-item { display:flex; align-items:center; gap:10px; min-width:0; flex-wrap:wrap; }
.bkc-portal .bkc-card-meta-item strong { font-weight:700; }
.bkc-portal .bkc-card-meta-item span { overflow-wrap:anywhere; }
.bkc-portal .bkc-ui-icon { width:24px; height:24px; flex-shrink:0; }
.bkc-portal .bkc-card-actions { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:24px; }
.bkc-portal .bkc-card-action { display:flex; justify-content:center; align-items:center; gap:14px; width:100%; padding:18px 12px; min-height:68px; border:0; border-radius:22px; background:#ededee; color:#050505; font-size:clamp(12px,1.5vw,19px); line-height:1.2; font-weight:700; transition:background .16s ease, transform .16s ease; }
.bkc-portal .bkc-card-action:hover:not(:disabled) { background:#dcdce0; transform:translateY(-1px); }
.bkc-portal .bkc-card-action:disabled { opacity:.5; cursor:not-allowed; }
.bkc-portal .bkc-card-content, .bkc-portal .bkc-card-info { margin-top:24px; padding:20px; background:#fff; border:1px solid #e5e5e7; border-radius:16px; font-size:16px; }
.bkc-portal .bkc-card-content[hidden], .bkc-portal .bkc-card-info[hidden] { display:none !important; }
.bkc-portal .bkc-card-content .bkc-terms { background:#fff; font-size:15px; }
.bkc-portal .bkc-card-info p { font-size:15px; }
.bkc-portal .bkc-error:not(:empty) { font-size:14px; margin:14px 0 0; }
@media(max-width:760px) {
 .bkc-portal .bkc-portal-card { padding:20px; border-radius:24px; margin-bottom:20px; }
 .bkc-portal .bkc-card-summary { gap:14px; align-items:flex-start; flex-wrap:wrap; }
 .bkc-portal .bkc-card-icon { flex-basis:52px; width:52px; height:52px; }
 .bkc-portal .bkc-card-icon .bkc-ui-icon { width:28px; height:28px; }
 .bkc-portal .bkc-card-heading { flex:1 1 calc(100% - 80px); }
 .bkc-portal .bkc-status { margin-left:66px; }
 .bkc-portal .bkc-card-meta { grid-template-columns:1fr; gap:12px; padding:16px 0 0; margin:20px 0; }
 .bkc-portal .bkc-card-actions { gap:8px; }
 .bkc-portal .bkc-card-action { flex-direction:column; gap:6px; min-height:78px; padding:12px 4px; border-radius:14px; text-align:center; }
 .bkc-portal .bkc-card-action .bkc-ui-icon { width:23px; height:23px; }
}