:root{
  --accent:#4f46e5;
  --accent-soft:color-mix(in srgb,var(--accent) 10%,white);
  --bg:#f4f5f8; --surface:#fff; --text:#111827; --muted:#6b7280; --line:#e5e7eb; --line-strong:#d1d5db;
  --radius:12px;
  --font:"Inter","SF Pro Text",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:var(--font);color:var(--text);background:var(--bg);font-size:14px;line-height:1.45;-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit;color:inherit}

/* ---------- Top bar ---------- */
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  padding:12px 24px;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{width:26px;height:26px;border-radius:7px;background:var(--accent);
  box-shadow:inset 0 -8px 0 rgba(0,0,0,.12)}
.brand-name{font-weight:700;letter-spacing:-.01em;font-size:16px}
.save-status{font-size:12px;color:var(--muted);padding:2px 8px;border-radius:99px;background:#f3f4f6;transition:opacity .3s}
.save-status.saving{color:#92400e;background:#fef3c7}
.actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.divider{width:1px;height:24px;background:var(--line)}

.btn{appearance:none;border:1px solid var(--line-strong);background:#fff;border-radius:8px;padding:7px 14px;font-weight:600;font-size:13px;cursor:pointer;
  transition:background .15s,border-color .15s,box-shadow .15s;white-space:nowrap}
.btn:hover{background:#f9fafb;border-color:#9ca3af}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{filter:brightness(1.08)}
.btn.ghost{border-color:transparent;background:transparent}
.btn.ghost:hover{background:#f3f4f6}
.btn.small{padding:4px 10px;font-size:12px}
.btn.block{width:100%}
.btn.dashed{border-style:dashed;color:var(--accent);border-color:color-mix(in srgb,var(--accent) 45%,white);background:var(--accent-soft)}
.btn[disabled]{opacity:.6;cursor:progress}
.link{background:none;border:0;padding:0;color:var(--accent);cursor:pointer;font-size:12px;font-weight:600}
.link.danger{color:#dc2626}
.icon-btn{border:0;background:transparent;color:#9ca3af;cursor:pointer;width:30px;height:30px;border-radius:6px;flex:none;font-size:16px;line-height:1}
.icon-btn:hover{background:#fee2e2;color:#dc2626}

/* ---------- Layout ---------- */
.layout{display:grid;grid-template-columns:minmax(380px,480px) 1fr;gap:28px;padding:24px;max-width:1600px;margin:0 auto;align-items:start}
.editor{display:flex;flex-direction:column;gap:14px;min-width:0}
.preview-wrap{position:sticky;top:76px;min-width:0}
.preview-label{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:600;margin:0 0 8px 4px}

/* ---------- Editor cards ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 1px 2px rgba(16,24,40,.04)}
.card>summary{list-style:none;cursor:pointer;padding:14px 18px;display:flex;align-items:center;justify-content:space-between}
.card>summary::-webkit-details-marker{display:none}
.card>summary::after{content:"";width:8px;height:8px;border-right:2px solid #9ca3af;border-bottom:2px solid #9ca3af;transform:rotate(45deg);transition:transform .2s;margin-right:4px}
.card:not([open])>summary::after{transform:rotate(-45deg)}
.card h2{margin:0;font-size:14px;font-weight:700}
.card-body{padding:0 18px 18px;display:flex;flex-direction:column;gap:12px}
.subhead{display:flex;justify-content:space-between;align-items:center;margin-top:6px}
.subhead h3{margin:0;font-size:13px;font-weight:700}
.hint{margin:-8px 0 0;color:var(--muted);font-size:12px}
label{display:flex;flex-direction:column;gap:4px;font-size:12px;font-weight:600;color:#374151}
input,select,textarea{width:100%;border:1px solid var(--line-strong);border-radius:8px;padding:8px 10px;background:#fff;font-weight:400;font-size:14px;transition:border-color .15s,box-shadow .15s}
textarea{resize:vertical}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 18%,transparent)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1.3fr;gap:12px}
.grow{flex:1;display:flex;flex-direction:column;gap:6px;align-items:flex-start}
.grow label{width:100%}
.input-group{display:flex}
.input-group input{border-radius:8px 0 0 8px}
.input-group select{width:auto;border-radius:0 8px 8px 0;border-left:0;background:#f9fafb}

.logo-row{display:flex;gap:14px;align-items:center}
.logo-drop{width:96px;height:72px;flex:none;border:1.5px dashed var(--line-strong);border-radius:10px;display:grid;place-items:center;text-align:center;
  font-size:12px;color:var(--muted);cursor:pointer;overflow:hidden;background:#fafafa;line-height:1.2}
.logo-drop:hover,.logo-drop.drag{border-color:var(--accent);background:var(--accent-soft)}
.logo-drop img{max-width:100%;max-height:100%;object-fit:contain}

.swatches{display:flex;gap:6px;align-items:center;height:38px}
.swatch{width:24px;height:24px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px var(--line-strong);cursor:pointer;padding:0}
.swatch[aria-pressed="true"]{box-shadow:0 0 0 2px var(--text)}
.swatch-custom{width:28px;height:28px;padding:0;border:0;background:none;cursor:pointer}

.kv-list,.col-list{display:flex;flex-direction:column;gap:8px}
.kv-row{display:grid;grid-template-columns:1fr 1.4fr auto;gap:8px;align-items:center}
.col-row{display:flex;gap:8px;align-items:center}
.empty{font-size:12px;color:#9ca3af;font-style:italic}

.items{display:flex;flex-direction:column;gap:10px;margin-top:6px}
.item{border:1px solid var(--line);border-radius:10px;padding:12px;background:#fcfcfd;display:flex;flex-direction:column;gap:8px}
.item-top{display:flex;gap:8px;align-items:flex-start}
.item-top textarea{min-height:38px}
.item-index{flex:none;width:22px;height:22px;margin-top:8px;border-radius:6px;background:var(--accent-soft);color:var(--accent);font-size:11px;font-weight:700;display:grid;place-items:center}
.item-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(90px,1fr));gap:8px;align-items:end}
.item-total{font-weight:700;text-align:right;padding:8px 2px;font-variant-numeric:tabular-nums;font-size:14px}
.item-total small{display:block;font-weight:600;color:var(--muted);font-size:11px}

.totals-mini{display:flex;justify-content:space-between;align-items:center;background:var(--accent-soft);border-radius:10px;padding:12px 14px;font-weight:600}
.totals-mini strong{font-size:18px;color:var(--accent);font-variant-numeric:tabular-nums}

/* ---------- Invoice paper ---------- */
.paper{background:#fff;border-radius:6px;box-shadow:0 1px 3px rgba(16,24,40,.06),0 12px 32px -8px rgba(16,24,40,.14);
  max-width:820px;margin:0 auto;padding:56px 56px 48px;position:relative;overflow:hidden;color:#1f2937;font-size:13px;min-height:1000px}
.paper::before{content:"";position:absolute;inset:0 0 auto 0;height:6px;background:var(--accent)}
.inv-head{display:flex;justify-content:space-between;gap:24px;align-items:flex-start}
.inv-logo{max-height:64px;max-width:200px;object-fit:contain;display:block;margin-bottom:12px}
.inv-biz-name{font-size:18px;font-weight:700;color:#111827;letter-spacing:-.01em}
.inv-muted{color:#6b7280;white-space:pre-line}
.inv-title{font-size:32px;font-weight:800;letter-spacing:-.02em;color:var(--accent);text-align:right;margin:0;line-height:1;text-transform:uppercase}
.inv-number{text-align:right;color:#6b7280;margin-top:6px;font-weight:600}
.inv-meta{display:grid;grid-template-columns:1.2fr 1fr;gap:24px;margin-top:40px;padding:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.inv-label{font-size:10.5px;text-transform:uppercase;letter-spacing:.08em;color:#9ca3af;font-weight:700;margin-bottom:6px}
.inv-client-name{font-weight:700;color:#111827;font-size:14px}
.inv-kv{display:grid;grid-template-columns:auto 1fr;gap:6px 18px;align-content:start}
.inv-kv dt{color:#6b7280}
.inv-kv dd{margin:0;text-align:right;font-weight:600;color:#111827;word-break:break-word}
.inv-kv dd.accent{color:var(--accent)}
.inv-table{width:100%;border-collapse:collapse;margin-top:28px;font-variant-numeric:tabular-nums}
.inv-table th{font-size:10.5px;text-transform:uppercase;letter-spacing:.06em;color:#fff;background:var(--accent);font-weight:700;text-align:left;padding:10px 12px}
.inv-table th:first-child{border-radius:6px 0 0 6px}
.inv-table th:last-child{border-radius:0 6px 6px 0}
.inv-table td{padding:12px;border-bottom:1px solid var(--line);vertical-align:top;white-space:pre-line}
.inv-table .num{text-align:right;white-space:nowrap}
.inv-table tbody tr:nth-child(even) td{background:#fafafb}
.inv-bottom{display:grid;grid-template-columns:1fr 280px;gap:32px;margin-top:24px;align-items:start}
.inv-totals{display:grid;grid-template-columns:1fr auto;gap:8px 0;font-variant-numeric:tabular-nums}
.inv-totals dt{color:#6b7280;padding-right:16px}
.inv-totals dd{margin:0;text-align:right;font-weight:600}
.inv-totals .grand{border-top:2px solid #111827;padding-top:10px;margin-top:4px;font-size:16px;font-weight:800;color:#111827}
.inv-totals dd.grand{color:var(--accent)}
.inv-balance{grid-column:1/-1;background:var(--accent-soft);border-radius:8px;padding:12px 14px;display:flex;justify-content:space-between;font-weight:700;margin-top:6px}
.inv-notes{margin-top:36px;display:grid;grid-template-columns:1fr 1fr;gap:24px}
.inv-notes p{margin:0;white-space:pre-line;color:#4b5563}
.inv-foot{margin-top:48px;padding-top:16px;border-top:1px solid var(--line);color:#9ca3af;font-size:11px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.placeholder{color:#d1d5db}

/* ---------- Modal / toast ---------- */
.modal{border:0;border-radius:14px;padding:24px;max-width:440px;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.modal::backdrop{background:rgba(17,24,39,.45)}
.modal h3{margin:0 0 6px}
.modal p{margin:0 0 18px;color:var(--muted)}
.modal-actions{display:flex;gap:8px;justify-content:flex-end;flex-wrap:wrap}
.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,20px);background:#111827;color:#fff;padding:10px 16px;border-radius:10px;font-weight:600;font-size:13px;opacity:0;pointer-events:none;transition:all .25s;z-index:50}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.error{background:#b91c1c}

/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .layout{grid-template-columns:1fr;padding:16px}
  .preview-wrap{position:static}
}
@media (max-width:640px){
  .topbar{padding:10px 14px}
  .divider{display:none}
  .grid2,.grid3{grid-template-columns:1fr}
  .paper{padding:36px 22px;min-height:0;font-size:12px}
  .inv-head{flex-direction:column-reverse}
  .inv-title,.inv-number{text-align:left}
  .inv-meta,.inv-bottom,.inv-notes{grid-template-columns:1fr}
  .inv-table{display:block;overflow-x:auto}
}

/* ---------- Print ---------- */
@page{size:auto;margin:12mm}
@media print{
  body{background:#fff}
  .no-print{display:none !important}
  .layout{display:block;padding:0;max-width:none}
  .preview-wrap{position:static}
  .paper{box-shadow:none;border-radius:0;max-width:none;padding:24px 8px 0;min-height:0}
  .paper::before{height:5px}
  *{-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .inv-table tr{break-inside:avoid}
  .inv-bottom,.inv-notes{break-inside:avoid}
}

/* ---------- Receipt import ---------- */
.item-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.item-actions .camera-only{display:none}
@media (pointer:coarse){.item-actions{grid-template-columns:1fr 1fr 1fr}.item-actions .camera-only{display:inline-flex}}
.import-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px}
.drop-hint{margin:-4px 0 0}
.card-body.drag-receipt{outline:2px dashed var(--accent);outline-offset:-6px;border-radius:var(--radius);background:var(--accent-soft)}
.receipt-modal{width:min(1120px,96vw);max-width:none;max-height:92vh;padding:0;display:flex;flex-direction:column;overflow:hidden}
.receipt-modal:not([open]){display:none}
.rm-head{display:flex;justify-content:space-between;align-items:flex-start;padding:18px 22px 12px;border-bottom:1px solid var(--line)}
.rm-head h3{margin:0}
.rm-sub{margin:2px 0 0;color:var(--muted);font-size:12px}
.rm-body{display:grid;grid-template-columns:260px minmax(0,1fr);gap:20px;padding:18px 22px;overflow:auto;min-height:340px;flex:1}
.rm-side{display:flex;flex-direction:column;gap:10px;min-width:0}
.rm-thumb{border:1px solid var(--line);border-radius:10px;background:#f9fafb;display:grid;place-items:center;max-height:380px;overflow:hidden}
.rm-thumb img{max-width:100%;max-height:380px;object-fit:contain;display:block}
.rm-side-actions{display:flex;gap:6px;flex-wrap:wrap}
.rm-raw summary{cursor:pointer;font-size:12px;font-weight:600;color:#374151}
.rm-raw summary span{color:var(--muted);font-weight:400}
.rm-raw pre{margin:8px 0 0;max-height:240px;overflow:auto;background:#f9fafb;border:1px solid var(--line);border-radius:8px;padding:10px;font-size:11px;white-space:pre;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.rm-main{min-width:0;display:flex;flex-direction:column}
.rm-progress{margin:auto 0;padding:24px;text-align:center;display:flex;flex-direction:column;gap:10px;color:var(--muted)}
.rm-stage{font-weight:600;color:var(--text)}
.rm-bar{height:8px;border-radius:99px;background:#eef0f4;overflow:hidden}
.rm-bar span{display:block;height:100%;width:0;background:var(--accent);border-radius:99px;transition:width .25s}
.rm-error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca;border-radius:10px;padding:14px;margin:auto 0}
.rm-summary{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;margin-bottom:10px;font-size:13px}
.rm-pill{padding:3px 10px;border-radius:99px;background:#f3f4f6;font-weight:600;font-size:12px}
.rm-pill.ok{background:#dcfce7;color:#166534}
.rm-pill.warn{background:#fef3c7;color:#92400e}
.rm-table-wrap{overflow:auto;border:1px solid var(--line);border-radius:10px;margin-bottom:10px}
.rm-table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}
.rm-table th{position:sticky;top:0;background:#f9fafb;font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);text-align:left;padding:8px;border-bottom:1px solid var(--line);white-space:nowrap}
.rm-table td{padding:5px 6px;border-bottom:1px solid var(--line);vertical-align:middle}
.rm-table tr:last-child td{border-bottom:0}
.rm-table tr.off td:not(:first-child){opacity:.45}
.rm-table input[type=text],.rm-table input[type=number]{padding:6px 8px;font-size:13px}
.rm-table .c-check{width:34px;text-align:center}
.rm-table .c-qty{width:78px}
.rm-table .c-price{width:104px}
.rm-table .c-col{min-width:96px}
.rm-table .c-amt{width:100px;text-align:right;font-weight:600;white-space:nowrap;padding-right:10px}
.rm-table .c-del{width:34px}
.rm-table input[type=checkbox]{width:16px;height:16px;accent-color:var(--accent)}
.rm-flag{display:inline-block;margin-left:4px;color:#b45309;cursor:help}
.rm-foot{display:flex;align-items:center;gap:8px;padding:14px 22px;border-top:1px solid var(--line);background:#fcfcfd}
.rm-foot .spacer{flex:1}
.rm-check{flex-direction:row;align-items:center;gap:8px;font-weight:600;cursor:pointer}
.rm-check input{width:16px;height:16px;accent-color:var(--accent)}
@media (max-width:760px){
  .receipt-modal{width:100vw;max-width:100vw;height:100dvh;max-height:100dvh;margin:0;border-radius:0}
  .rm-head{padding:14px}
  .rm-body{grid-template-columns:minmax(0,1fr);padding:14px}
  .rm-table .c-qty{width:62px}.rm-table .c-price{width:84px}.rm-table .c-amt{width:78px}
  .rm-table td:nth-child(2){min-width:150px}
  .rm-thumb,.rm-thumb img{max-height:200px}
  .rm-foot{flex-wrap:wrap}
}
[hidden]{display:none !important}