.modal-backdrop:has(> .billing-dialog) {
    padding: clamp(6px, 1.5vh, 14px) clamp(6px, .7vw, 14px);
}

body:has(.billing-dialog) { overflow: hidden; }
#toasts, .toast { pointer-events: none; }
body:has(.billing-dialog) .toast, body:has(.bill-preview-modal) .toast { top: 14px; bottom: auto; }

.billing-dialog.modal {
    --bw-edge: clamp(14px, 1.85vw, 29px);
    --bw-control: clamp(34px, 5.35dvh, 48px);
    --bw-gap: clamp(8px, 1.4dvh, 13px);
    --bw-border: #e2d8ed;
    --bw-text: #352544;
    --bw-label: #695777;
    width: 100%;
    max-width: none;
    height: 100%;
    max-height: none;
    border: 1px solid #e9e0f2;
    border-radius: 24px;
    background: #fcf9ff;
    animation: none;
}

.billing-dialog .modal-head {
    flex: none;
    align-items: flex-start;
    padding: clamp(12px, 2.8dvh, 25px) var(--bw-edge) clamp(10px, 1.7dvh, 15px);
}

.bw-eyebrow {
    color: #ffe0bd;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .22em;
    text-transform: uppercase;
    margin-bottom: clamp(3px, .9dvh, 8px);
}

.billing-dialog .modal-head h2 {
    font-size: clamp(21px, 3.3dvh, 29px);
    line-height: 1.12;
    letter-spacing: -.6px;
}

.billing-dialog .modal-head .icon-btn { flex: none; }
.billing-dialog .modal-body {
    display: flex;
    padding: var(--bw-gap) var(--bw-edge) clamp(10px, 2dvh, 18px);
    overflow: hidden;
}

.billing-dialog #modal-form {
    width: 100%;
    min-height: 0;
    display: flex;
    flex-direction: column;
}

.billing-dialog [hidden], .billing-dialog #form-error:empty { display: none !important; }
.billing-dialog #form-error { flex: none; }
.billing-dialog .modal-error { margin: 0 0 8px; padding: 6px 11px; }

.bw-layout {
    flex: 1;
    min-height: 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(238px, 24.3%);
    gap: clamp(10px, 1.4vw, 22px);
}

.bw-main, .bw-side { min-width: 0; min-height: 0; }
.bw-main { display: flex; flex-direction: column; gap: var(--bw-gap); }
.bw-top { display: grid; grid-template-columns: minmax(0, 1fr) clamp(135px, 13.4vw, 202px); gap: 12px; }
.billing-dialog .field { margin: 0; gap: 4px; }
.billing-dialog .field > label, .bw-label {
    display: block;
    color: var(--bw-label);
    font-size: clamp(10px, 1.48dvh, 13px);
    font-weight: 750;
    letter-spacing: .045em;
    text-transform: uppercase;
}

.billing-dialog input:not([type=hidden]), .billing-dialog .select-trigger {
    min-width: 0;
    width: 100%;
    min-height: var(--bw-control);
    padding: 6px clamp(8px, 1.05vw, 15px);
    border: 1px solid var(--bw-border);
    border-radius: 10px;
    outline: 0;
    background: #fff;
    color: var(--bw-text);
    font: inherit;
    font-size: clamp(12px, 1.8dvh, 15px);
}

.billing-dialog input:focus, .billing-dialog .select-trigger:focus-visible,
.billing-dialog .searchable-select.is-open .select-trigger {
    border-color: #a484e0;
    box-shadow: 0 0 0 2px #8560d31a;
}

.billing-dialog input:read-only:not([type=search]), .billing-dialog input:disabled {
    background: #f5f0fa;
    color: #725f83;
}

.billing-dialog .select-current { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.billing-dialog .searchable-select .select-menu {
    position: fixed;
    inset: auto;
    min-width: 0;
    z-index: 220;
    transform: none;
    transition: opacity .12s ease;
}
.billing-dialog .searchable-select.is-open .select-menu { transform: none; }
.billing-dialog .select-menu-search { min-height: 39px; padding: 7px 9px; }
.billing-dialog .select-menu-search .select-menu-input { min-height: 24px; }
.billing-dialog .select-options { overflow-y: auto; }

.bw-methods, .bw-categories { display: flex; align-items: center; gap: 6px; margin-top: 5px; }
.bw-methods { flex-wrap: wrap; }
.bw-methods button, .bw-categories button {
    flex: none;
    min-height: clamp(30px, 4.55dvh, 41px);
    padding: 4px clamp(8px, .9vw, 14px);
    border: 1px solid var(--bw-border);
    border-radius: 9px;
    background: #fff;
    color: #59426c;
    font-size: clamp(10px, 1.6dvh, 13px);
    font-weight: 750;
    transition: background-color .14s ease, color .14s ease, border-color .14s ease, box-shadow .14s ease;
}

.bw-methods button[aria-pressed=true], .bw-categories button[aria-pressed=true] {
    border-color: #6c45ad;
    background: #6c45ad;
    color: #fff;
    box-shadow: 0 3px 7px #5b35972b;
}
.bw-methods button:disabled { cursor: default; opacity: .48; }

.bw-barcode {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: clamp(5px, 1.25dvh, 11px) clamp(8px, 1vw, 15px);
    border: 1px solid var(--bw-border);
    border-radius: 12px;
    background: #f2ebfc;
}
.bw-barcode label { flex: none; color: #543572; font-weight: 750; font-size: clamp(11px, 1.6dvh, 14px); }
.bw-barcode .bw-scan-camera { display: none; flex:none; min-height:var(--bw-control); padding:5px 9px; }
.bw-camera-overlay { position:absolute; inset:0; display:flex; align-items:center; justify-content:center; z-index:250; padding:14px; background:#241733aa; }
.bw-camera-panel { width:min(460px,100%); max-height:100%; overflow:auto; padding:15px; border-radius:14px; background:#fff; box-shadow:0 18px 60px #180f30aa; }
.bw-camera-panel header { display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:10px; color:#453057; }
.bw-camera-panel p { margin:10px 0; color:#78668a; font-size:12px; line-height:1.5; }
.bw-camera-view { position:relative; overflow:hidden; border-radius:10px; background:#2d1e43; }
.bw-camera-view[hidden] { display:none; }
.bw-camera-view video { display:block; width:100%; max-height:45dvh; object-fit:cover; }
.bw-scan-guide { position:absolute; inset:33% 8%; border:2px solid #f79c72; border-radius:9px; pointer-events:none; }
.bw-camera-actions .btn { cursor:pointer; }
.bw-camera-actions input { position:absolute; width:1px!important; height:1px!important; opacity:0; overflow:hidden; }
@media (pointer:coarse) { .bw-barcode .bw-scan-camera { display:inline-flex; } }

.bw-line-panel {
    flex: 1;
    min-height: 94px;
    min-width: 0;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--bw-border);
    border-radius: 15px;
    background: #fff;
    padding: clamp(6px, 1.5dvh, 14px);
}

.bw-line-scroll { flex: 1; min-height: 0; overflow: auto; overscroll-behavior: contain; }
.bw-line-panel table { table-layout: fixed; width: 100%; }
.bw-short-label { display: none; }
.bw-col-product { width: 44%; }
.bw-col-qty, .bw-col-rate { width: 17%; }
.bw-col-amount { width: 16%; }
.bw-col-remove { width: 6%; }
.bw-line-panel th {
    position: sticky;
    top: 0;
    z-index: 1;
    padding: clamp(6px, 1.55dvh, 14px) 10px;
    background: #eee7f9;
    color: #5d4874;
    font-size: clamp(9px, 1.35dvh, 12px);
    white-space: normal;
}

.bw-line-panel td { padding: clamp(5px, 1.25dvh, 12px) 8px; vertical-align: top; border-bottom: 1px solid #f0eaf6; }
.bw-line-panel td .searchable-select > label {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
}

.bw-line-panel .searchable-select + .searchable-select, .bw-device { margin-top: 5px; }
.bw-device { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; }
.bw-line-amount { color: #514061; font-size: clamp(11px, 1.65dvh, 14px); overflow-wrap: anywhere; font-variant-numeric: tabular-nums; }
.bw-locked-field { padding:7px 8px; border:1px solid #e2d8ed; border-radius:8px; background:#f8f3ff; color:#5d4771; font-size:11px; overflow-wrap:anywhere; }
.bw-locked-field small { display:block; color:#9682a6; font-size:9px; }
.bw-remove {
    width: clamp(24px, 3.3dvh, 32px);
    height: clamp(24px, 3.3dvh, 32px);
    display: inline-grid;
    place-items: center;
    border: 0;
    border-radius: 8px;
    background: #fff0f3;
    color: #aa3150;
    transition: background-color .14s ease, color .14s ease;
}
.bw-remove:hover { background: #fbdde5; color: #8d1f3d; }

.bw-line-bottom {
    display: flex;
    flex: none;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    min-height: clamp(40px, 7.4dvh, 66px);
    padding: 5px clamp(6px, 1vw, 15px);
    border-top: 1px solid var(--bw-border);
    background: #f7f2fd;
}
.bw-line-bottom .btn { padding: 5px 10px; min-height: 30px; background: #eee6f9; border: 0; color: #533972; }
.bw-line-bottom strong { color: #492d6e; font-size: clamp(18px, 3.4dvh, 29px); font-variant-numeric: tabular-nums; }

.bw-side {
    display: flex;
    flex-direction: column;
    gap: var(--bw-gap);
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: clamp(8px, 1.15vw, 18px);
    border: 1px solid var(--bw-border);
    border-radius: 15px;
    background: #fff;
}
.bw-side > * { flex: none; }
.bw-category .bw-label { text-transform: none; }
.bw-categories { flex-wrap: wrap; max-height: 112px; overflow-y: auto; padding: 1px 1px 4px; scrollbar-width: thin; }
.bw-walkin { display: grid; gap: var(--bw-gap); }
.bw-balances { display: none; }
.bw-balances:has(> :not([hidden])) { display: grid; gap: 2px; padding: 6px 9px; border: 1px solid var(--bw-border); border-radius: 9px; background: #faf6ff; }
.bw-balances > div { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; color: var(--bw-label); font-size: clamp(10px, 1.4dvh, 12px); }
.bw-balances b { color: #50316f; white-space: nowrap; font-variant-numeric: tabular-nums; }
.bw-credit-note { color: var(--bw-label); font-size: 11px; line-height: 1.25; }

.billing-dialog .modal-foot {
    flex: none;
    position: static;
    margin: var(--bw-gap) 0 0;
    padding: var(--bw-gap) 0 0;
    border-top: 1px solid var(--bw-border);
    background: transparent;
}
.bw-footer-note { margin-right: auto; color: var(--bw-label); font-size: 11px; }
.billing-dialog .modal-foot .btn { min-height: clamp(35px, 6dvh, 54px); padding: 6px clamp(12px, 1.9vw, 30px); }
.billing-dialog .modal-foot .btn.orange { background: linear-gradient(135deg, #ff8c62, #f56646); }

@media (max-width: 760px) {
    .modal-backdrop:has(> .billing-dialog) { padding: 4px; }
    .billing-dialog.modal { --bw-edge: 9px; --bw-control: 33px; --bw-gap: 6px; border-radius: 13px; }
    .billing-dialog .modal-head { padding: 9px var(--bw-edge); }
    .billing-dialog .modal-head .icon-btn { width: 29px; height: 29px; }
    .bw-layout {
        grid-template-columns: minmax(0, 1fr);
        grid-template-rows: auto auto;
        align-content:start;
        gap: 6px;
        overflow-y: auto;
    }
    .billing-sale .bw-layout { grid-template-rows: auto auto; }
    .bw-top { grid-template-columns: minmax(0, 1fr) 125px; gap: 6px; }
    .bw-side {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        align-content: start;
        padding: 7px;
        overflow: visible;
    }
    .bw-walkin { display: contents; }
    .bw-category, .bw-balances, .bw-credit-note, .bw-note { grid-column: 1 / -1; }
    .billing-sale .bw-side:has(.bw-paid[hidden]) > .field { grid-column: 1 / -1; }
    .bw-categories { margin-top: 3px; }
    .bw-categories button, .bw-methods button { min-height: 29px; padding-inline: 7px; }
    .bw-line-panel { padding: 3px; flex:none; height:clamp(132px,21dvh,180px); min-height:132px; }
    .bw-line-panel:has(.bw-device,.searchable-select + .searchable-select) { min-height:170px; }
    .bw-barcode { gap:7px; }
    .bw-barcode .bw-scan-camera { display:inline-flex; }
    .bw-barcode label { font-size:10px; }
    .bw-col-product { width: 36%; }
    .bw-col-qty { width: 16%; }
    .bw-col-rate { width: 19%; }
    .bw-col-amount { width: 21%; }
    .bw-col-remove { width: 8%; }
    .bw-line-panel th, .bw-line-panel td { padding-inline: 3px; }
    .bw-long-label { display: none; }
    .bw-short-label { display: inline; }
    .bw-line-panel .select-current { white-space: normal; line-height: 1.2; overflow-wrap: anywhere; }
    .bw-line-panel td input, .bw-line-panel .select-trigger { padding-inline: 4px; }
    .bw-device { grid-template-columns: 1fr; }
    .bw-line-amount { font-size: 10px; }
    .bw-remove { width: 22px; height: 26px; }
    .bw-line-bottom { min-height: 34px; }
    .bw-footer-note { display: none; }
    .billing-dialog .modal-foot .btn { flex: 1; }
    .billing-dialog .select-menu-search .select-menu-input { font-size: 16px; }
}

@media (max-height: 510px) and (min-width: 761px) {
    .bw-layout { overflow-y: auto; }
    .bw-main { min-height: 235px; }
}

.bill-preview-modal .modal-body { flex-direction: column; }
.bill-preview-modal .bill-preview { min-width: 0; width: 100%; }
.bill-preview-modal .bill-preview iframe { min-height: 0; }
.bill-preview-modal .preview-actions { justify-content: center; }

@media (prefers-reduced-motion: reduce) {
    .billing-dialog *, .billing-dialog *::before, .billing-dialog *::after { transition: none !important; }
}