/* ==========================================================================
   admin-c — billing back-office (quotes, invoices, payments)  ·  prefix .ac-
   ========================================================================== */
.ac-split{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:24px;align-items:start}
.ac-main>.panel:last-child{margin-bottom:0}
.ac-aside{position:sticky;top:84px;display:grid;gap:18px}
.ac-aside .panel{margin-bottom:0}
.ac-tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);margin-bottom:18px;overflow-x:auto}
.ac-tabs a{display:inline-flex;align-items:center;gap:7px;padding:11px 14px;font-weight:600;color:var(--muted);border-bottom:3px solid transparent;white-space:nowrap;font-size:.92rem}
.ac-tabs a:hover{color:var(--brand-ink);text-decoration:none}
.ac-tabs a.active{color:var(--brand-ink);border-bottom-color:var(--brand)}
.ac-n{background:var(--line-2);color:var(--muted);border-radius:99px;padding:0 8px;font-size:.72rem;font-weight:700;line-height:1.7}
.ac-tabs a.active .ac-n{background:var(--brand-100);color:var(--brand-ink)}
.ac-num{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.86rem;font-weight:600;color:var(--ink);white-space:nowrap}
.ac-sub{display:block;color:var(--muted);font-size:.8rem;line-height:1.4}
.ac-money{font-variant-numeric:tabular-nums;font-weight:700;color:var(--ink);white-space:nowrap}
.ac-late{color:var(--red);font-weight:700}
.ac-overdue td:first-child{box-shadow:inset 3px 0 0 var(--red)}
.ac-actions{display:flex;gap:6px;justify-content:flex-end;flex-wrap:wrap;align-items:center}
.ac-actions form{display:inline}
.table.ac-t th,.table.ac-t td{padding:11px 10px}
.table.ac-t .ac-tr{max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.table.ac-t .ac-actions{flex-wrap:nowrap}
.ac-kpis .kpi b{font-size:1.4rem;white-space:nowrap}
.ac-kpis .kpi .ico{width:34px;height:34px;top:14px}
.ac-actions .icon-btn{width:34px;height:34px}
.ac-hint{font-size:.82rem;color:var(--muted)}
.ac-bar{height:6px;border-radius:99px;background:#e6edf6;overflow:hidden;min-width:70px}
.ac-bar i{display:block;height:100%;background:var(--green)}
.ac-toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:18px}
.ac-toolbar .filters{margin:0;flex:1}
.ac-toolbar .input,.ac-toolbar .select{padding:10px 12px}

/* ---- form ---- */
.ac-picker{padding:14px 16px;border:1px dashed #b9cde8;border-radius:12px;background:var(--surface-2);margin-bottom:18px}
.ac-lines,.ac-lines tbody{display:block;width:100%}
.ac-lines thead{display:none}
.ac-lines tr{display:grid;grid-template-columns:92px minmax(0,1fr) minmax(0,1fr) 42px;gap:8px 10px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;background:var(--surface-2);align-items:end}
.ac-lines td{display:block;padding:0;min-width:0}
.ac-lines td:first-child{grid-column:1/-1}
.ac-lines td[data-label]::before{content:attr(data-label);display:block;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin-bottom:3px}
.ac-lines .input{padding:10px 12px;background:#fff}
.ac-lines .ac-c-amt{font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;white-space:nowrap;padding-bottom:10px}
.ac-lines .ac-c-del{text-align:right}
.ac-lines-foot{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;margin-top:12px;padding-top:14px;border-top:1px dashed var(--line)}
.ac-lines-foot .select{width:auto;min-width:230px;padding:9px 12px;padding-right:36px}
.ac-sum{padding:22px}
.ac-sum h2{font-size:1.02rem;margin:0 0 14px}
.ac-sum-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:8px 0;border-bottom:1px solid var(--line-2);font-size:.94rem}
.ac-sum-row span:first-child{color:var(--muted)}
.ac-sum-row b{font-variant-numeric:tabular-nums;color:var(--ink)}
.ac-sum-row .input{width:120px;padding:8px 10px;text-align:right}
.ac-sum-total{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin:14px 0 4px;padding:14px 16px;border-radius:12px;background:var(--grad-dark);color:#fff}
.ac-sum-total span{color:#b3c3d8;font-weight:600}
.ac-sum-total b{font:800 1.5rem var(--font-display);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.ac-sum .btn{margin-top:10px}
.ac-sum .ac-hint{margin-top:12px}

/* ---- document preview (mirrors the PDF) ---- */
.ac-doc{container-type:inline-size;container-name:acdoc;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);overflow:hidden;color:#26364d}
.ac-doc-band{height:8px;background:var(--grad)}
.ac-doc-quote .ac-doc-band{background:#7c5cff}
.ac-doc-in{padding:34px 38px 30px}
.ac-doc-head{display:flex;justify-content:space-between;gap:24px;align-items:flex-start;flex-wrap:wrap}
.ac-doc-brand{display:flex;gap:12px;align-items:center}
.ac-doc-brand .brand-mark{flex-shrink:0}
.ac-doc-brand b{display:block;font:800 1.1rem var(--font-display);letter-spacing:.04em;color:var(--ink)}
.ac-doc-brand b span{font-weight:600;color:var(--muted)}
.ac-doc-brand small{display:block;font-size:.78rem;color:var(--muted);line-height:1.5;margin-top:2px}
.ac-doc-title{text-align:right;margin-left:auto}
.ac-doc-title h2{font-size:1.5rem;letter-spacing:.14em;margin:0;color:var(--ink)}
.ac-doc-title .ac-num{color:var(--muted)}
.ac-doc-parties{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;margin-top:28px}
.ac-lbl{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);margin-bottom:5px}
.ac-doc-who b{display:block;font-size:1rem;color:var(--ink)}
.ac-doc-who span{display:block;font-size:.88rem;color:var(--muted)}
.ac-doc-meta{margin:0;display:grid;grid-template-columns:auto 1fr;gap:6px 18px;font-size:.9rem;align-content:start}
.ac-doc-meta dt{color:var(--muted)}.ac-doc-meta dd{margin:0;text-align:right;font-weight:700;color:var(--ink)}
.ac-doc-subject{font-size:1.02rem;margin:24px 0 0}
.ac-items-wrap{overflow-x:auto}
.ac-items{width:100%;min-width:480px;border-collapse:collapse;margin-top:16px;font-size:.92rem}
.ac-items th{background:#f3f7fc;color:#4a5b72;text-align:left;font-size:.72rem;text-transform:uppercase;letter-spacing:.07em;padding:10px 12px}
.ac-items td{padding:12px;border-bottom:1px solid var(--line-2);vertical-align:top}
.ac-items .n{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.ac-doc-foot{display:grid;grid-template-columns:1fr 290px;gap:26px;margin-top:20px;align-items:start}
.ac-box{border:1px solid var(--line);border-radius:12px;padding:14px 16px;background:var(--surface-2);font-size:.84rem;color:#4a5b72}
.ac-box p{margin:0 0 4px}
.ac-tot{width:100%;border-collapse:collapse;font-size:.92rem}
.ac-tot td{padding:7px 0;border-bottom:1px solid var(--line-2)}
.ac-tot td:last-child{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.ac-tot .m{color:var(--muted)}
.ac-tot .g td{border:0;padding:11px 12px;background:var(--brand);color:#fff;font-weight:800;font-size:1rem}
.ac-doc-quote .ac-tot .g td{background:#6d4dea}
.ac-tot .g td:first-child{border-radius:8px 0 0 8px}.ac-tot .g td:last-child{border-radius:0 8px 8px 0}
.ac-tot .due td{font-weight:800;color:#b42318;border-bottom:0}
.ac-doc-legal{padding:12px 38px;background:#f8fbff;border-top:1px solid var(--line-2);font-size:.76rem;color:var(--muted);text-align:center}
.ac-doc-note{margin-top:16px;font-size:.86rem;color:var(--muted)}

/* ---- timeline / activity ---- */
.ac-steps{list-style:none;margin:0;padding:0;position:relative}
.ac-steps li{position:relative;padding:0 0 16px 28px;font-size:.9rem}
.ac-steps li:last-child{padding-bottom:0}
.ac-steps li::before{content:"";position:absolute;left:5px;top:16px;bottom:-2px;width:2px;background:var(--line)}
.ac-steps li:last-child::before{display:none}
.ac-steps li::after{content:"";position:absolute;left:0;top:4px;width:12px;height:12px;border-radius:50%;background:#fff;border:2px solid #c5d3e6}
.ac-steps li.done::after{background:var(--green);border-color:var(--green-ink)}
.ac-steps li.bad::after{background:var(--red);border-color:var(--red)}
.ac-steps li.now::after{border-color:var(--brand);box-shadow:0 0 0 4px rgba(10,102,255,.15)}
.ac-steps b{display:block;color:var(--ink)}
.ac-steps span{color:var(--muted);font-size:.82rem}
.ac-log{list-style:none;margin:0;padding:0}
.ac-log li{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid var(--line-2);font-size:.86rem;align-items:flex-start}
.ac-log li:last-child{border-bottom:0}
.ac-log svg{margin-top:3px;color:var(--muted)}
.ac-log b{display:block;color:var(--ink);font-weight:600;line-height:1.35}
.ac-log span{color:var(--muted);font-size:.78rem}
.ac-stack{display:grid;grid-template-columns:minmax(0,1fr);gap:10px}
.ac-stack form{display:block}
.ac-stack .btn{width:100%;white-space:normal;text-align:center;line-height:1.3}
.ac-copy{display:flex;gap:8px}
.ac-copy .input{padding:9px 12px;font-size:.82rem;min-width:0}
.ac-bal{padding:22px}
.ac-bal-num{font:800 1.9rem var(--font-display);letter-spacing:-.03em;color:var(--ink);line-height:1.1}
.ac-bal-num.ok{color:#0b7a4b}
.ac-bal .ac-sum-row:last-of-type{border-bottom:0}

/* ---- proofs queue ---- */
.ac-proofs{display:grid;gap:0}
.ac-proof{display:grid;grid-template-columns:96px minmax(0,1fr) auto;gap:18px;padding:18px 22px;border-bottom:1px solid var(--line-2);align-items:center}
.ac-proof:last-child{border-bottom:0}
.ac-thumb{width:96px;height:96px;border-radius:12px;border:1px solid var(--line);background:var(--surface-2);display:grid;place-items:center;overflow:hidden;color:var(--muted);text-align:center;font-size:.72rem;font-weight:600;padding:6px}
.ac-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.ac-thumb:hover{border-color:var(--brand);text-decoration:none}
.ac-proof h3{font-size:1rem;margin:0 0 2px}
.ac-proof-meta{display:flex;flex-wrap:wrap;gap:4px 16px;font-size:.86rem;color:var(--muted);margin-top:6px}
.ac-proof-meta b{color:var(--ink)}
.ac-proof-act{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.ac-proof-act form{display:inline}
.ac-modal-note{font-size:.9rem;color:var(--muted);margin:0 0 14px}
.ac-modal-actions{display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap;margin-top:6px}

@media (max-width:1180px){
  .ac-split{grid-template-columns:minmax(0,1fr) 300px}
}
@media (max-width:1080px){
  .ac-split{grid-template-columns:minmax(0,1fr)}
  .ac-aside{position:static}
}
@media (max-width:760px){
  .ac-proof{grid-template-columns:72px minmax(0,1fr)}
  .ac-thumb{width:72px;height:72px}
  .ac-proof-act{grid-column:1/-1;justify-content:flex-start}
}
.ac-sum-wrap{padding:0}
.ac-sum-wrap .ac-sum-btns{padding-top:0}
@media (max-width:520px){.ac-lines tr{grid-template-columns:1fr 1fr}}

/* the preview adapts to its own width (narrow column beside the sidebar), not the viewport */
@container acdoc (max-width:680px){
  .ac-doc-in{padding:24px 22px 22px}
  .ac-doc-legal{padding:12px 22px}
  .ac-doc-parties{grid-template-columns:1fr;gap:16px}
  .ac-doc-foot{grid-template-columns:1fr}
  .ac-doc-foot .ac-tot{order:-1;width:min(100%,340px);margin-left:auto}
}
/* payments on an invoice: stacked rows (the column is narrow) */
.ac-pay{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px 14px;padding:14px 22px;border-bottom:1px solid var(--line-2);align-items:center}
.ac-pay:last-child{border-bottom:0}
.ac-pay-top{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.ac-pay-meta{font-size:.82rem;color:var(--muted);margin-top:3px}
.ac-pay .ac-money{font-size:1.02rem;text-align:right}
.ac-pay .ac-actions{grid-column:1/-1;justify-content:flex-start}