/* ─────────────────────────────────────────────────────────
   Invoice Studio — Cream/Gold Theme
   ───────────────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:#f5f2ec;
  --surface:#ffffff;
  --surface2:#faf8f4;
  --surface3:#f5f2ec;
  --surface4:#ede9df;
  --border:#e4ddd0;
  --border2:#ddd5c4;
  --border3:#ccc0aa;
  --text:#1a1710;
  --text2:#4a4740;
  --text3:#8a847a;
  --accent:#b8903a;
  --accent-light:#d4ab5a;
  --accent-dim:rgba(184,144,58,0.12);
  --accent-dim2:rgba(184,144,58,0.05);
  --red:#c0392b;
  --red-dim:rgba(192,57,43,0.1);
  --blue:#2563a8;
  --blue-dim:rgba(37,99,168,0.1);
  --green:#2d7a50;
  --shadow-sm:0 1px 3px rgba(26,23,16,0.08);
  --shadow-md:0 4px 16px rgba(26,23,16,0.09);
  --shadow-lg:0 8px 32px rgba(26,23,16,0.1);
  --radius:6px;
  --transition:0.15s ease;
  --panel-width:380px;
}

html,body{height:100%;overflow:hidden}
body{font-family:'DM Sans',sans-serif;font-size:13px;background:var(--bg);color:var(--text);display:flex;flex-direction:column}

/* ─── Masthead ─── */
.masthead{
  display:flex;align-items:center;justify-content:space-between;
  padding:0 20px;min-height:50px;
  border-bottom:1px solid var(--border);
  background:var(--surface);
  position:sticky;top:0;z-index:100;
  box-shadow:0 1px 4px rgba(26,23,16,0.06);
  flex-shrink:0;
  flex-wrap:wrap;
  gap:6px;
}
.masthead-brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.masthead-logo{
  width:28px;height:28px;background:var(--text);
  border-radius:6px;display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.masthead-logo svg{color:#e8c97a}
.masthead-title{font-family:'Fraunces','Playfair Display',serif;font-size:15px;font-weight:600;color:var(--text);letter-spacing:-0.2px}
.masthead-subtitle{font-size:10.5px;color:var(--text3);font-weight:400;margin-left:4px;letter-spacing:0.3px}
.masthead-actions{display:flex;align-items:center;gap:5px;flex-wrap:wrap;}

/* ─── Buttons ─── */
.btn{
  display:inline-flex;align-items:center;gap:5px;
  padding:6px 11px;border-radius:var(--radius);
  border:none;cursor:pointer;font-size:12px;font-weight:500;
  font-family:'DM Sans',sans-serif;
  transition:all var(--transition);white-space:nowrap;
}
.btn-outline{
  background:var(--surface2);color:var(--text2);
  border:1px solid var(--border2);
}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-dim)}
.btn-primary{
  background:var(--text);color:#faf8f4;font-weight:600;letter-spacing:0.3px;
}
.btn-primary:hover{background:var(--text2);box-shadow:0 2px 8px rgba(26,23,16,0.15)}
.btn-ghost{
  background:transparent;color:var(--text3);border:1px dashed var(--border2);
  width:100%;justify-content:center;
}
.btn-ghost:hover{color:var(--accent);border-color:var(--accent);background:var(--accent-dim)}
.btn-kbd{
  background:var(--surface2);border:1px solid var(--border2);
  border-radius:var(--radius);padding:5px 8px;font-size:13px;cursor:pointer;
  color:var(--text3);transition:all var(--transition);
}
.btn-kbd:hover{border-color:var(--accent);color:var(--accent)}
.btn-icon{
  width:26px;height:26px;border-radius:4px;
  display:inline-flex;align-items:center;justify-content:center;
  border:none;cursor:pointer;background:transparent;color:var(--text3);
  transition:all var(--transition);flex-shrink:0;
}
.btn-icon:hover{background:var(--surface2);color:var(--text)}
.btn-del:hover{background:var(--red-dim);color:var(--red)}
.btn-dup:hover{background:var(--accent-dim);color:var(--accent)}

.btn-close-modal {
  position: absolute; top: 12px; right: 12px;
  width: 24px; height: 24px; border-radius: 6px;
  background: var(--surface2); border: 1px solid var(--border);
  color: var(--text3); cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: all var(--transition); z-index: 10;
}
.btn-close-modal:hover { background: var(--red-dim); color: var(--red); border-color: var(--red); }

.toolbar-divider{width:1px;height:20px;background:var(--border2);margin:0 2px}

/* ─── Paper toggle ─── */
.paper-toggle{display:flex;border:1px solid var(--border2);border-radius:var(--radius);overflow:hidden}
.paper-btn{
  padding:5px 9px;border:none;background:var(--surface2);
  color:var(--text3);font-family:'DM Mono',monospace;font-size:10px;
  cursor:pointer;transition:all var(--transition);
}
.paper-btn.active{background:var(--surface);color:var(--accent);box-shadow:var(--shadow-sm)}
.paper-btn:hover:not(.active){color:var(--text2)}

/* ─── Share dropdown ─── */
.share-btn-wrap{position:relative}
.share-dropdown{
  position:absolute;top:calc(100% + 8px);right:0;
  background:var(--surface);border:1px solid var(--border2);border-radius:10px;
  box-shadow:0 8px 32px rgba(26,23,16,0.14);
  min-width:190px;overflow:hidden;z-index:200;
  display:none;
}
.share-dropdown.open{display:block}
.share-dropdown-title{
  font-family:'DM Mono',monospace;font-size:9px;text-transform:uppercase;
  letter-spacing:1px;color:var(--text3);padding:10px 14px 6px;
}
.share-item{
  display:flex;align-items:center;gap:10px;
  width:100%;padding:8px 14px;background:none;border:none;
  font-size:12.5px;color:var(--text2);cursor:pointer;
  font-family:'DM Sans',sans-serif;transition:background var(--transition);text-align:left;
}
.share-item:hover{background:var(--surface2)}
.share-icon{width:26px;height:26px;border-radius:6px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.share-icon-email{background:#fef3c7;color:#d97706}
.share-icon-whatsapp{background:#dcfce7;color:#16a34a}
.share-icon-facebook{background:#dbeafe;color:#2563eb}
.share-icon-instagram{background:#fce7f3;color:#db2777}
.share-icon-linkedin{background:#dbeafe;color:#1d4ed8}
.share-icon-twitter{background:#f0f9ff;color:#0284c7}
.share-icon-copy{background:var(--surface2);color:var(--text3)}
.share-divider{height:1px;background:var(--border);margin:4px 0}

/* ─── App Layout ─── */
.app-layout{
  display:flex;flex-direction:row;
  flex:1;overflow:hidden;
}
.left-panel{
  width:var(--panel-width);flex-shrink:0;
  display:flex;flex-direction:column;
  background:var(--surface);
  border-right:1px solid var(--border);
  overflow:hidden;
}
.right-panel{ flex:1;min-width:0; }

/* ─── Panel collapse ─── */
body.panel-collapsed .left-panel{ width:0!important;overflow:hidden!important;border:none!important; }
body.panel-collapsed .resize-handle{ width:0!important;overflow:hidden!important; }

/* Focus mode */
body.focus-mode .left-panel { display: none !important; }
body.focus-mode .resize-handle { display: none !important; }

/* ─── Collapse / expand tag ─── */
.panel-collapse-tag {
  position:absolute;
  right:-14px; top:50%; transform:translateY(-50%);
  width:14px; height:40px;
  background:var(--surface);
  border:1px solid var(--border2);
  border-left:none;
  border-radius:0 6px 6px 0;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;
  z-index:300;
  color:var(--text3);
  box-shadow:2px 0 6px rgba(26,23,16,0.08);
  transition:background var(--transition),color var(--transition);
}
.panel-collapse-tag:hover{ background:var(--accent);color:#fff;border-color:var(--accent); }
.panel-collapse-tag svg{ pointer-events:none; transition:transform 0.2s; }
body.panel-collapsed .panel-collapse-tag svg{ transform:rotate(180deg); }
/* When collapsed: tag escapes overflow:hidden via fixed positioning */
body.panel-collapsed .panel-collapse-tag{
  position:fixed;left:0;top:50%;transform:translateY(-50%);
}

/* ─── Tabs ─── */
.nav-tabs{background:var(--surface2);border-bottom:1px solid var(--border);padding:6px 8px 0;flex-shrink:0;}
.nav-tabs-row{display:flex;gap:2px;margin-bottom:2px;flex-wrap:wrap;}
.tab{
  display:flex;align-items:center;justify-content:center;gap:5px;flex:1 1 calc(25% - 4px);
  padding:6px 8px;border-radius:6px 6px 0 0;border:none;
  background:transparent;color:var(--text3);
  font-size:11px;font-weight:500;font-family:'DM Sans',sans-serif;
  cursor:pointer;transition:all var(--transition);white-space:nowrap;
}
.tab:hover{background:var(--surface);color:var(--text2)}
.tab.active{background:var(--surface);color:var(--text);box-shadow:0 -1px 0 var(--accent) inset}

/* ─── Form ─── */
.form-scroll{flex:1;overflow-y:auto;padding:0}
.form-section{display:none;padding:16px}
.form-section.active{display:block}
.section-label{
  font-family:'DM Mono',monospace;font-size:9.5px;text-transform:uppercase;
  letter-spacing:0.8px;color:var(--text3);margin-bottom:10px;padding-bottom:4px;
  border-bottom:1px solid var(--border);
}
.divider{height:1px;background:var(--border);margin:14px 0}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:10px}
.field-row.single{grid-template-columns:1fr}
.field-group{display:flex;flex-direction:column;gap:4px}
.field-group label{font-family:'DM Mono',monospace;font-size:9px;text-transform:uppercase;letter-spacing:0.6px;color:var(--text3)}
.field-group input,.field-group select,.field-group textarea{
  background:var(--surface2);border:1px solid var(--border2);color:var(--text);
  border-radius:var(--radius);padding:7px 10px;font-size:12.5px;
  font-family:'DM Sans',sans-serif;outline:none;transition:border-color var(--transition);
}
.field-group input:focus,.field-group select:focus,.field-group textarea:focus{
  border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim);
}
.field-group input::placeholder,.field-group textarea::placeholder{color:var(--text3);opacity:0.6}
.field-group textarea{resize:vertical;min-height:60px;line-height:1.5}
.field-group select{cursor:pointer}

/* ─── Products table ─── */
.products-table-header{
  display:flex;gap:4px;padding:0 2px 4px;
  font-family:'DM Mono',monospace;font-size:8.5px;text-transform:uppercase;letter-spacing:0.5px;color:var(--text3);
}
.product-row{
  display:flex;gap:4px;align-items:center;padding:2px 2px;flex-wrap:wrap;
}
.col-drag { width:14px; flex-shrink:0; }
.col-name-input { flex:1; min-width:80px; }
.col-sku-input { width:65px; flex-shrink:0; }
.col-qty-input { width:46px; flex-shrink:0; }
.col-price-input { width:64px; flex-shrink:0; }
.col-actions { display:flex; gap:2px; flex-shrink:0; margin-left:auto; }

.product-row.dragging{opacity:0.4}
.product-row.drop-above{border-top:2px solid var(--accent)}
.product-row.drop-below{border-bottom:2px solid var(--accent)}
.product-row input{
  background:var(--surface2);border:1px solid var(--border);color:var(--text);
  border-radius:4px;padding:5px 7px;font-size:11.5px;
  font-family:'DM Sans',sans-serif;outline:none;
  transition:border-color var(--transition);width:100%;
}
.product-row input:focus{border-color:var(--accent)}
.drag-handle{
  display:flex;align-items:center;justify-content:center;
  color:var(--border3);cursor:grab;height:28px;
}
.drag-handle:hover{color:var(--accent)}
.drag-handle:active{cursor:grabbing}

/* ─── Line-item sub-panels ─── */
.product-card{border:1px solid var(--border);border-radius:6px;margin-bottom:4px;background:var(--surface2);overflow:hidden;transition:border-color var(--transition)}
.product-card:focus-within{border-color:var(--accent)}
.product-card .product-row{margin-bottom:0;border-radius:0;background:transparent}

.product-card-desc, .product-card-disc {
  display:none; padding:0 8px 6px 22px; border-top:1px solid var(--border);
}
.product-card-desc.open { display:block; }
.product-card-disc.open { display:flex; align-items:center; gap:10px; padding-top:6px; }

.product-card-desc textarea{
  width:100%;background:transparent;border:none;color:var(--text2);
  font-size:11px;font-family:'DM Sans',sans-serif;outline:none;resize:none;
  padding:5px 4px;min-height:36px;line-height:1.5;
}
.product-card-desc textarea::placeholder{color:var(--text3);opacity:0.55}

.btn-desc, .btn-disc{
  width:18px;height:18px;border-radius:3px;display:inline-flex;align-items:center;justify-content:center;
  border:none;cursor:pointer;background:transparent;color:var(--text3);transition:all var(--transition);flex-shrink:0;
  font-size:10px;font-family:'DM Mono',monospace;
}
.btn-desc:hover, .btn-disc:hover{background:var(--accent-dim);color:var(--accent)}
.btn-desc.open, .btn-disc.open{color:var(--accent); background:var(--accent-dim);}

/* ─── Multiple taxes ─── */
.tax-list{display:flex;flex-direction:column;gap:5px;margin-bottom:8px}
.tax-entry{display:grid;grid-template-columns:1fr 72px 26px;gap:5px;align-items:center}
.tax-entry input{
  background:var(--surface2);border:1px solid var(--border2);color:var(--text);
  border-radius:var(--radius);padding:6px 8px;font-size:12px;
  font-family:'DM Sans',sans-serif;outline:none;width:100%;transition:border-color var(--transition);
}
.tax-entry input:focus{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-dim)}
.btn-del-tax{width:22px;height:22px;border-radius:3px;border:none;cursor:pointer;
  background:transparent;color:var(--text3);display:flex;align-items:center;justify-content:center;
  transition:all var(--transition)}
.btn-del-tax:hover{background:var(--red-dim);color:var(--red)}
#taxRows{display:flex;flex-direction:column;gap:5px;margin-bottom:6px}

/* ─── Inline row ─── */
.inline-row{display:flex;gap:6px;align-items:center;flex-wrap:wrap;}

/* ─── Check pills ─── */
.check-pill{
  display:inline-flex;align-items:center;gap:4px;
  padding:4px 9px;border-radius:var(--radius);
  border:1px solid var(--border2);background:var(--surface2);
  color:var(--text3);font-size:11px;cursor:pointer;
  transition:all var(--transition);user-select:none;
}
.check-pill input{display:none}
.check-pill.active{background:var(--accent-dim);border-color:rgba(184,144,58,0.3);color:var(--accent)}

/* ─── Disc toggle ─── */
.disc-toggle{display:flex;border:1px solid var(--border2);border-radius:var(--radius);overflow:hidden}
.disc-btn{
  flex:1;padding:6px 10px;border:none;background:var(--surface2);
  color:var(--text3);font-size:11.5px;cursor:pointer;
  font-family:'DM Sans',sans-serif;transition:all var(--transition);
}
.disc-btn.active{background:var(--text);color:#faf8f4;font-weight:600}

/* ─── Inv num row ─── */
.inv-num-row{display:flex;gap:5px}
.inv-num-row input{flex:1}

/* ─── Logo upload zone ─── */
.upload-zone{
  border:1.5px dashed var(--border2);border-radius:var(--radius);
  padding:16px;text-align:center;cursor:pointer;background:var(--surface2);
  transition:all var(--transition);position:relative;margin-bottom:10px;
  min-height:72px;display:flex;align-items:center;justify-content:center;
}
.upload-zone:hover{border-color:var(--accent);background:var(--accent-dim)}
.upload-zone input[type=file]{display:none}
.upload-zone p{font-size:11.5px;color:var(--text3);margin-top:5px}
.upload-preview{max-width:100%;max-height:60px;object-fit:contain;display:none;border-radius:4px}
.remove-btn{
  position:absolute;top:6px;right:6px;background:var(--surface);
  color:var(--text3);border:1px solid var(--border);border-radius:4px;
  width:24px;height:24px;display:flex;align-items:center;justify-content:center;
  cursor:pointer;display:none;transition:all var(--transition);
}
.remove-btn:hover{background:var(--red-dim);color:var(--red);border-color:rgba(192,57,43,0.3);}
.logo-resize-row{display:flex;align-items:center;gap:8px;padding:4px 0 10px;font-size:11px;color:var(--text3)}
.logo-resize-row input{flex:1}

/* ─── Sig ─── */
.sig-tabs{display:flex;gap:4px;margin-bottom:10px}
.sig-tab{
  flex:1;padding:6px;border:1px solid var(--border2);border-radius:var(--radius);
  background:var(--surface2);color:var(--text3);font-size:11.5px;
  cursor:pointer;font-family:'DM Sans',sans-serif;transition:all var(--transition);
}
.sig-tab.active{background:var(--text);color:#faf8f4;border-color:var(--text)}
.sig-panel{display:none}
.sig-panel.active{display:block}
#sigCanvas{
  width:100%;height:110px;border:1.5px dashed var(--border2);
  border-radius:var(--radius);background:#fff;cursor:crosshair;display:block;
}
.sig-font-preview{
  font-size:28px;padding:10px;min-height:54px;
  border:1.5px dashed var(--border2);border-radius:var(--radius);
  background:#fff;display:flex;align-items:center;justify-content:center;
  color:#111;margin-top:4px;
}

/* ─── Resize handle ─── */
.resize-handle{
  background:var(--border);cursor:col-resize;
  display:flex;align-items:center;justify-content:center;
  transition:background var(--transition);
  position:relative;
  flex-shrink:0;
  width:4px;
}
.resize-handle:hover,.resize-handle.dragging{background:var(--accent)}

/* ─── Right Panel ─── */
.right-panel{display:flex;flex-direction:column;overflow:hidden;background:var(--bg)}
.preview-toolbar{
  height:38px;background:var(--surface);border-bottom:1px solid var(--border);
  display:flex;align-items:center;padding:0 18px;gap:12px;flex-shrink:0;
}
.preview-toolbar-title{display:flex;align-items:center;gap:6px;font-size:11.5px;font-weight:500;color:var(--text2)}
.spacer{flex:1}

/* ─── Preview scroll ─── */
.preview-scroll{
  flex:1;overflow-y:auto;padding:24px;
  display:flex;justify-content:center;background:var(--bg);
}

/* ─── Margin Adjusters & Wrapper ─── */
.invoice-paper-wrapper{
  position:relative;
  width:100%;
  max-width:680px;
  flex-shrink:0;
  align-self:flex-start;
  margin: 0 auto;
  /* Defaults applied to all pages */
  --m-top: 5mm;
  --m-bottom: 10mm;
  --m-left: 10mm;
  --m-right: 10mm;
}
/* ─── Margin overlay — one per page, injected by JS ─── */
#marginOverlay,
.margin-overlay-page {
  position: absolute;
  left: 0; right: 0;
  height: 1122px; /* overridden by JS per page */
  pointer-events: none;
  z-index: 200;
}
#marginOverlay { top: 0; }
#marginOverlay .margin-handle,
.margin-overlay-page .margin-handle { pointer-events: all; }

.margin-handle {
  position: absolute;
  display: flex; align-items: center; justify-content: center;
  z-index: 200; cursor: pointer;
}
.margin-handle .pill {
  display: flex; align-items: center; justify-content: center; gap: 4px;
  background: var(--surface); border: 1px solid var(--border2);
  border-radius: 12px; box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  color: var(--text3); transition: all 0.2s;
}
.margin-handle:hover .pill, .margin-handle.dragging .pill {
  border-color: var(--accent); color: var(--accent); box-shadow: 0 4px 12px rgba(184,144,58,0.2);
}

/* All 4 handles sit at their respective edges of #marginOverlay */
.handle-top    { top: -12px;  left: 0; right: 0; justify-content: center; cursor: ns-resize; }
.handle-bottom { bottom: -12px; left: 0; right: 0; justify-content: center; cursor: ns-resize; }
.handle-left   { left: -12px; top: 0; bottom: 0; flex-direction: column; justify-content: center; cursor: ew-resize; }
.handle-right  { right: -12px; top: 0; bottom: 0; flex-direction: column; justify-content: center; cursor: ew-resize; }

.handle-top .pill, .handle-bottom .pill { width: 64px; height: 24px; }
.handle-left .pill, .handle-right .pill { width: 24px; height: 64px; flex-direction: column; }

.margin-val {
  font-size: 9px;
  font-family: 'DM Mono', monospace;
  pointer-events: none;
}
.handle-left .margin-val, .handle-right .margin-val { transform: rotate(-90deg); white-space: nowrap; }

.margin-guide {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  z-index: 150;
  transition: opacity 0.2s;
}
.guide-top.active    { opacity: 0.6; }
.guide-bottom.active { opacity: 0.6; }
.guide-left.active   { opacity: 0.6; }
.guide-right.active  { opacity: 0.6; }

.guide-top    { top: var(--m-top);    left: 0; right: 0;  border-top:   1.5px dashed var(--accent); }
.guide-bottom { bottom: var(--m-bottom); left: 0; right: 0; border-bottom: 1.5px dashed var(--accent); }
.guide-left   { left: var(--m-left);  top: 0; bottom: 0;  border-left:  1.5px dashed var(--accent); }
.guide-right  { right: var(--m-right); top: 0; bottom: 0; border-right: 1.5px dashed var(--accent); }



/* ─── Invoice preview & Smart Pagination ─── */
.invoice-preview{
  position:relative;width:100%;
  color:#111;
  border-radius:0;
  background: transparent !important;
  box-shadow: none !important;
  display:flex;flex-direction:column;
  --logo-size:54px;
}
/* Page continuation header (inserted by applyPageBreaks) */
.page-cont-header td { background: transparent; }
tr.page-break-spacer td { background: transparent !important; border: none !important; }

/* The visual pages placed underneath */
.page-bg {
  position: absolute;
  left: 0; right: 0;
  background: #fff;
  box-shadow: 0 2px 16px rgba(26,23,16,0.10), 0 8px 32px rgba(26,23,16,0.07);
  border-radius: 8px;
  z-index: 1;
  pointer-events: none;
}
/* Invoice content sits above the page backgrounds */
.inv-block, #previewWatermark {
  position: relative;
  z-index: 2;
}
/* The gap background */
.page-divider {
  position: absolute;
  left: 0; right: 0;
  background: var(--bg);
  z-index: 10;
  pointer-events: none;
}

[data-goto] { cursor:pointer; position:relative; }
[data-goto].hover-active { outline:2px dashed rgba(184,144,58,0.5); outline-offset:3px; border-radius:4px; z-index:50;}
[data-goto].hover-active::after {
  content:attr(data-label); position:absolute; top:-20px; left:0;
  background:var(--accent); color:#fff;
  font-size:9px; font-weight:700; padding:2px 7px; border-radius:4px;
  white-space:nowrap; pointer-events:none; z-index:51;
  font-family:'DM Mono',sans-serif; letter-spacing:0.5px; text-transform:uppercase;
}
.empty-placeholder{color:#c0c4cc;font-style:italic;font-size:11px;opacity:0.7;padding:3px 0;display:block}
.empty-placeholder.center{text-align:center}

/* ─── Inline Editing & Column Resizing ─── */
[data-link] {
  cursor: pointer;
  position: relative;
  transition: all 0.15s ease;
  border-radius: 3px;
}
[data-link]:hover {
  background: rgba(184,144,58,0.1);
  box-shadow: 0 0 0 3px rgba(184,144,58,0.1);
}
.editing-inline {
  background: #fff !important;
  outline: 2px dashed var(--accent) !important;
  outline-offset: -1px !important;
  cursor: text !important;
  border-radius: 2px;
  user-select: text;
  white-space: pre-wrap !important;
  overflow: visible !important;
}
.editing-inline:hover {
  background: #fff !important;
  box-shadow: none;
}

/* ─── Block system ─── */
.inv-block{position:relative}
.inv-block-controls{
  position:absolute;top:8px;right:6px;z-index:10;
  display:flex;flex-direction:column;gap:2px;
  opacity:0;transition:opacity var(--transition);
}
.inv-block:hover .inv-block-controls{opacity:1}
.inv-block-btn{
  width:20px;height:20px;border-radius:3px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,0.9);border:1px solid var(--border);
  color:var(--text3);cursor:pointer;transition:all var(--transition);
}
.inv-block-btn:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.inv-block-drag-handle{
  position:absolute;left:4px;top:50%;transform:translateY(-50%);
  opacity:0;cursor:grab;z-index:10;padding:4px;
  transition:opacity var(--transition);
}
.inv-block:hover .inv-block-drag-handle{opacity:1}
.inv-block-drag-handle:hover{opacity:1}
.inv-block:hover{background:rgba(184,144,58,0.02)}
.inv-block.dragging-block{opacity:0.4}
.inv-block.drag-over-above{border-top:2px solid var(--accent)}
.inv-block.drag-over-below{border-bottom:2px solid var(--accent)}
.print-hidden{display:none!important}

/* ─── Dynamically Padded Invoice Blocks ─── */
.inv-header{display:flex;justify-content:space-between;align-items:flex-start;padding:var(--m-top) var(--m-right) 20px var(--m-left)}
.inv-issued{padding:16px var(--m-right) 16px var(--m-left);background:#fafafa;border-top:1px solid #f0f0f0;border-bottom:1px solid #f0f0f0}
.inv-products-wrapper{padding:20px var(--m-right) 0 var(--m-left)}
.inv-notes-wrapper{padding:16px var(--m-right) 0 var(--m-left)}
.inv-payment-wrapper{padding:16px var(--m-right) 0 var(--m-left)}
.inv-sig-wrapper{display:flex;justify-content:flex-start;padding:16px var(--m-right) 0 var(--m-left)}
.inv-footer-wrapper{padding:12px var(--m-right) var(--m-bottom) var(--m-left);border-top:1px solid #f0f0f0;margin-top:12px}

.inv-logo-area{display:flex;align-items:flex-start;gap:12px}
.inv-logo-box{
  width:var(--logo-size);height:var(--logo-size);
  flex-shrink:0;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
}
.inv-company-name{font-size:16px;font-weight:700;color:#1a1a1a;margin-bottom:4px}
.inv-company-details{font-size:10px;color:#777;line-height:1.65}
.inv-meta{text-align:right;flex-shrink:0;position:relative;z-index:10;}
.inv-title{font-size:22px;font-weight:800;color:#1a1a1a;letter-spacing:2.5px;text-transform:uppercase;margin-bottom:10px}
.inv-meta-row{display:flex;justify-content:flex-end;gap:12px;font-size:10.5px;margin-bottom:4px}
.inv-meta-label{color:#999}
.inv-meta-value{font-weight:600;color:#1a1a1a}

.inv-issued-label{font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:1.2px;color:#aaa;margin-bottom:5px}
.inv-issued-name{font-size:14px;font-weight:700;color:#1a1a1a;margin-bottom:3px}
.inv-issued-details{font-size:10px;color:#777;line-height:1.6}

.inv-table{width:100%;border-collapse:collapse;font-size:11px;table-layout:fixed}
.inv-table thead tr{border-bottom:2px solid #1a1a1a}
.inv-table th{padding:6px 4px;font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:0.8px;color:#555;text-align:left;position:relative;overflow:visible !important;}
.inv-table th:not(:first-child){text-align:right}
.inv-table td{padding:8px 4px;border-bottom:1px solid #f5f5f5;color:#222;vertical-align:top;overflow:visible !important;}

/* Column Resizers */
.col-resizer {
  position: absolute; right: -4px; top: 20%; bottom: 20%; width: 8px;
  cursor: col-resize; z-index: 10; opacity: 0; transition: opacity 0.2s;
}
.col-resizer::after {
  content: ''; position: absolute; left: 3px; top: 0; bottom: 0; width: 2px;
  background: var(--accent); border-radius: 1px;
}
.inv-table th:hover .col-resizer, .col-resizer.dragging { opacity: 1; }

.col-product{width:40%}
.col-sku{width:15%}
.col-qty{width:10%}
.col-price{width:17%}
.col-disc{width:10%}
.col-amount{width:18%}
.prod-name{font-weight:600;color:#1a1a1a}
.prod-sku{font-size:9.5px;color:#aaa;margin-top:2px}
.prod-desc{font-size:9.5px;color:#777;margin-top:3px;line-height:1.5;white-space:pre-wrap;font-style:italic}
.inv-totals{border-top:1px solid #eee;padding:12px 0 4px;margin-top:4px}
.inv-total-row{display:flex;justify-content:space-between;align-items:center;padding:3px 0;font-size:11px}
.inv-total-row .lbl{color:#777}
.inv-total-row .val{font-weight:500;color:#1a1a1a}
.inv-total-row.grand{
  border-top:2px solid #1a1a1a;margin-top:6px;padding-top:8px;
  font-size:14px;font-weight:800;
}
.inv-total-row.grand .lbl,.inv-total-row.grand .val{color:#1a1a1a}

.inv-notes-label{font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:1.2px;color:#aaa;margin-bottom:5px}
.inv-notes-text{font-size:11px;color:#555;line-height:1.7}

.inv-payment-box{background:#f9f9f9;border-radius:8px;padding:14px 16px}
.inv-payment-label{font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:1.2px;color:#aaa;margin-bottom:8px}
.inv-payment-row{display:flex;gap:12px;font-size:10.5px;margin-bottom:4px}
.inv-payment-row .k{color:#999;min-width:90px;flex-shrink:0}
.inv-payment-row .v{font-weight:600;color:#1a1a1a}

.inv-sig-box{display:inline-block;min-width:180px}
#previewSigImg img{display:block;max-height:68px;max-width:200px;object-fit:contain}
.inv-sig-label{font-size:9px;color:#aaa;letter-spacing:0.5px;margin-top:4px;border-top:1px solid #ddd;padding-top:4px}

/* ─── Per-page footer watermark ─── */
.page-footer-watermark {
  position: absolute;
  left: 0; right: 0;
  height: 22px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'DM Sans', sans-serif;
  font-size: 9.5px;
  color: var(--text3);
  letter-spacing: 0.2px;
  pointer-events: none;
  z-index: 6;
  opacity: 0.7;
}
.page-footer-watermark a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  pointer-events: auto;
}
.page-footer-watermark a:hover { text-decoration: underline; }

/* ─── Watermark ─── */
#previewWatermark{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-35deg);
  pointer-events:none;z-index:5;
  font-size:110px;font-weight:900;opacity:0.06;letter-spacing:8px;text-align:center;
}
.watermark-PAID{color:#22c55e}
.watermark-OVERDUE{color:#ef4444}

/* ─── Onboarding ─── */
.onboard-overlay{
  position:fixed;inset:0;background:rgba(26,23,16,0.45);z-index:1000;
  backdrop-filter:blur(2px);
}
.onboard-overlay.hidden,.onboard-tooltip.hidden{display:none}
.onboard-tooltip{
  position:fixed;z-index:1100;
  background:var(--surface);border:1px solid var(--border2);
  border-radius:14px;padding:20px;width:290px;
  box-shadow:0 16px 48px rgba(26,23,16,0.18);
}
.onboard-step-label{font-family:'DM Mono',monospace;font-size:9px;text-transform:uppercase;letter-spacing:0.8px;color:var(--accent);margin-bottom:6px}
.onboard-title{font-family:'Fraunces',serif;font-size:16px;font-weight:700;color:var(--text);margin-bottom:6px}
.onboard-body{font-size:12.5px;color:var(--text2);line-height:1.65}
.onboard-footer{display:flex;justify-content:space-between;align-items:center;margin-top:16px}
.onboard-dots{display:flex;gap:4px}
.onboard-dot{width:6px;height:6px;border-radius:50%;background:var(--border2)}
.onboard-dot.active{background:var(--accent)}
.onboard-btns{display:flex;gap:6px}
.onboard-btn{padding:6px 14px;border-radius:var(--radius);border:none;cursor:pointer;font-size:12px;font-family:'DM Sans',sans-serif}
.onboard-btn-skip{background:transparent;color:var(--text3)}
.onboard-btn-skip:hover{color:var(--text)}
.onboard-btn-next{background:var(--text);color:#faf8f4;font-weight:600}
.onboard-btn-next:hover{background:var(--text2)}

/* ─── Modal ─── */
.modal-overlay{
  position:fixed;inset:0;background:rgba(26,23,16,0.6);z-index:2000;
  display:flex;align-items:center;justify-content:center;backdrop-filter:blur(3px);
}
.modal-overlay.hidden{display:none}
.modal-box{
  background:var(--surface);border:1px solid var(--border2);border-radius:16px;
  padding:28px;width:480px;max-width:95vw;max-height:88vh;overflow-y:auto;
  box-shadow:0 24px 64px rgba(26,23,16,0.18);position:relative;
}
.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.modal-close{background:none;border:none;cursor:pointer;font-size:16px;color:var(--text3);padding:4px;line-height:1}
.modal-close:hover{color:var(--text)}
.modal-body{padding-top:0}
.modal-title{font-family:'Fraunces','Playfair Display',serif;font-size:18px;font-weight:700;color:var(--text);margin-bottom:4px}
.cloud-invoice-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 12px;border-radius:8px;border:1px solid var(--border);
  margin-bottom:6px;gap:12px;
}
.cloud-invoice-row.active{border-color:var(--accent);background:rgba(184,144,58,0.05)}
.cloud-invoice-row:hover{background:var(--surface2)}
.cloud-invoice-info{flex:1;min-width:0}
.cloud-invoice-name{font-size:13px;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cloud-invoice-date{font-size:11px;color:var(--text3);margin-top:2px}
.cloud-invoice-actions{display:flex;gap:6px;flex-shrink:0}
.btn-sm{padding:4px 10px;font-size:11px}
.btn-danger{color:#e55;border-color:#e55}
.btn-danger:hover{background:#e55;color:#fff}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent);display:flex;align-items:center;gap:6px;justify-content:center}
.btn-primary:hover{background:var(--accent-dark,#9a7830)}

/* ─── Account Bar (bottom of left panel) ─── */
.account-bar{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-top:1px solid var(--border);
  cursor:pointer;flex-shrink:0;
  transition:background 0.15s;
}
.account-bar:hover{background:var(--surface2)}
.account-bar-avatar{
  width:30px;height:30px;border-radius:50%;
  background:var(--accent);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;flex-shrink:0;
}
.account-bar-info{flex:1;min-width:0}
.account-bar-name{font-size:12px;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.account-bar-plan{font-size:10px;color:var(--text3);margin-top:1px}

/* ─── Account Modal ─── */
.account-section{display:flex;gap:16px;align-items:flex-start;margin-bottom:20px}
.account-avatar-large{
  width:52px;height:52px;border-radius:50%;flex-shrink:0;
  background:var(--accent);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:700;
}
.account-section-block{padding:4px 0 16px}
.account-divider{border:none;border-top:1px solid var(--border);margin:4px 0 16px}
.plan-badge{
  padding:3px 10px;border-radius:20px;font-size:11px;font-weight:700;
  background:var(--surface2);color:var(--text3);border:1px solid var(--border2);
  letter-spacing:0.3px;
}
.plan-badge.pro{
  background:linear-gradient(135deg,#b8903a,#d4ab5a);
  color:#fff;border-color:transparent;
}
.modal-subtitle{font-size:12.5px;color:var(--text3);margin-bottom:18px}
.kbd-group-title{
  font-family:'DM Mono',monospace;font-size:9px;text-transform:uppercase;
  letter-spacing:0.8px;color:var(--text3);margin:14px 0 6px;padding-bottom:4px;
  border-bottom:1px solid var(--border);
}
.kbd-row{display:flex;justify-content:space-between;align-items:center;padding:5px 0}
.kbd-desc{font-size:12.5px;color:var(--text2)}
.kbd-keys{display:flex;align-items:center;gap:3px}
kbd{
  background:var(--surface2);border:1px solid var(--border2);border-bottom:2px solid var(--border3);
  border-radius:4px;padding:2px 6px;font-size:11px;font-family:'DM Mono',monospace;color:var(--text2);
}
.kbd-plus{font-size:11px;color:var(--text3)}

/* ─── Templates modal ─── */
#templatesModal{
  position:fixed;inset:0;background:rgba(26,23,16,0.6);z-index:2000;
  display:none;align-items:center;justify-content:center;backdrop-filter:blur(3px);
}
#templatesModal.open{display:flex}
.tpl-box{
  background:var(--surface);border:1px solid var(--border2);border-radius:16px;
  width:740px;max-width:96vw;max-height:88vh;overflow:hidden;
  display:flex;flex-direction:column; position:relative;
  box-shadow:0 24px 64px rgba(26,23,16,0.18);
}
.tpl-header{padding:20px 24px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.tpl-title{font-family:'Fraunces','Playfair Display',serif;font-size:20px;font-weight:700;color:var(--text)}
.tpl-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;padding:20px 24px;overflow-y:auto}
.tpl-card{border:1px solid var(--border2);border-radius:10px;overflow:hidden;cursor:pointer;transition:all var(--transition);background:var(--surface2)}
.tpl-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 8px 24px rgba(26,23,16,0.12)}
.tpl-thumb{width:100%;aspect-ratio:3/4;background:var(--surface3);display:flex;align-items:center;justify-content:center;padding:12px;position:relative;overflow:hidden}
.tpl-thumb-inner{width:100%;height:100%;background:#fff;border-radius:3px;position:relative;overflow:hidden;box-shadow:0 2px 8px rgba(26,23,16,0.12)}
.tpl-info{padding:10px 12px}
.tpl-name{font-size:12.5px;font-weight:600;color:var(--text);margin-bottom:2px}
.tpl-desc{font-size:11px;color:var(--text3)}

/* ─── Mobile View ─── */
.mobile-nav { display: none; background: var(--surface); border-bottom: 1px solid var(--border); padding: 6px; gap: 6px; }
.mobile-nav-btn { flex: 1; padding: 10px; border: none; background: transparent; border-radius: 6px; font-weight: 600; font-family: 'DM Sans', sans-serif; color: var(--text3); cursor: pointer; transition: all var(--transition); }
.mobile-nav-btn.active { background: var(--accent-dim); color: var(--accent); }

@media (max-width: 800px) {
  .mobile-nav { display: flex; flex-shrink: 0; }
  .app-layout { flex-direction: column; display: flex; }
  .masthead { flex-wrap: wrap; height: auto; padding: 12px 16px; gap: 10px; }
  .masthead-actions { width: 100%; justify-content: space-between; overflow-x: auto; padding-bottom: 4px; }
  .resize-handle { display: none !important; }
  .panel-collapse-tag { display: none !important; }
  .left-panel { width: 100% !important; }
  
  body:not(.show-preview) .right-panel { display: none; }
  body.show-preview .left-panel { display: none; }
  body:not(.show-preview) .left-panel { border-right: none; flex: 1; height: 100%; }
}

/* ─── Print ─── */
@media print{
  *{ -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important; }
  .masthead,.left-panel,.resize-handle,.preview-toolbar,.inv-block-controls,.inv-block-drag-handle,
  .modal-overlay,.onboard-overlay,.onboard-tooltip,#templatesModal,.margin-handle,.margin-guide,
  .col-resizer,.mobile-nav,.panel-collapse-tag,.page-footer-watermark {display:none!important}
  html, body { margin:0!important; padding:0!important; background:#fff!important; }
  .app-layout{ display:block!important; }
  .right-panel{ display:block!important; overflow:visible!important; }
  .preview-scroll{
    padding:0!important; margin:0!important;
    overflow:visible!important;
    background:#fff!important;
    display:block!important;
    width:100%!important;
  }
  .invoice-paper-wrapper{
    max-width:100%!important; width:100%!important;
    margin:0!important; padding:0!important;
    position:static!important;
  }
  .invoice-preview{
    display:block!important;
    position:static!important;
    box-shadow:none!important; border-radius:0!important; border:none!important;
    min-height:auto!important; height:auto!important;
    overflow:visible!important;
    background:#fff!important;
  }
  /* Hide visual page decorations — browser handles pagination */
  .page-bg, .page-divider { display:none!important; }
  /* Page break spacers trigger actual page breaks */
  .page-break-spacer {
    display:block!important;
    height:0!important;
    overflow:hidden!important;
    page-break-after:always!important;
    break-after:page!important;
  }
  tr.page-break-spacer { display:table-row!important; }
  body.paper-a4 .invoice-paper-wrapper{ width:210mm!important; }
  body.paper-letter .invoice-paper-wrapper{ width:215.9mm!important; }
  /* Watermark printed once at bottom of each page via fixed position */
  .page-footer-watermark{
    display:flex!important;
    position:fixed!important;
    bottom:6mm!important; top:auto!important;
    left:0!important; right:0!important;
    opacity:0.6;
  }
  #previewWatermark{ display:block!important; }
}

/* ─────────────────────────────────────────────────────────
   PRO TAB
   ───────────────────────────────────────────────────────── */

/* Pro tab button — gold shimmer treatment */
.tab-pro {
  background: linear-gradient(135deg, rgba(184,144,58,0.12), rgba(212,171,90,0.08)) !important;
  color: var(--accent) !important;
  border: 1px solid rgba(184,144,58,0.25) !important;
  font-weight: 600 !important;
  border-radius: 6px 6px 0 0;
  position: relative;
}
.tab-pro:hover {
  background: linear-gradient(135deg, rgba(184,144,58,0.2), rgba(212,171,90,0.15)) !important;
  color: var(--accent-light) !important;
}
.tab-pro.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-light)) !important;
  color: #fff !important;
  box-shadow: 0 -1px 0 var(--accent) inset, 0 2px 8px rgba(184,144,58,0.3) !important;
}

/* Pro section outer */
.pro-section { padding: 0 !important; }

/* Hero banner */
.pro-hero {
  display: flex; align-items: center; gap: 12px;
  padding: 18px 16px 16px;
  background: linear-gradient(135deg, #1a1710, #2d2518);
  border-bottom: 1px solid rgba(184,144,58,0.3);
}
.pro-hero-icon {
  width: 46px; height: 46px; border-radius: 10px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  display: flex; align-items: center; justify-content: center; color: #fff;
  box-shadow: 0 4px 12px rgba(184,144,58,0.4);
}
.pro-hero-title {
  font-family: 'Fraunces', serif; font-size: 15px; font-weight: 700;
  color: #f5f0e8; letter-spacing: -0.2px; margin-bottom: 2px;
}
.pro-hero-sub { font-size: 11px; color: rgba(212,171,90,0.8); }

/* Auth tab switcher */
.pro-auth-tabs {
  display: flex; margin: 14px 16px 0; border: 1px solid var(--border2);
  border-radius: var(--radius); overflow: hidden;
}
.pro-auth-tab {
  flex: 1; padding: 7px; border: none; background: var(--surface2);
  color: var(--text3); font-size: 12px; font-weight: 500;
  font-family: 'DM Sans', sans-serif; cursor: pointer;
  transition: all var(--transition);
}
.pro-auth-tab.active {
  background: var(--text); color: #faf8f4; font-weight: 600;
}
.pro-auth-tab:hover:not(.active) { color: var(--text2); background: var(--surface); }

/* Auth panels */
.pro-auth-panel { display: none; padding: 14px 16px 0; }
.pro-auth-panel.active { display: block; }

/* Divider label */
.pro-divider-label {
  font-family: 'DM Mono', monospace; font-size: 9px; text-transform: uppercase;
  letter-spacing: 1px; color: var(--text3); text-align: center;
  padding: 16px 16px 10px; position: relative;
}
.pro-divider-label::before, .pro-divider-label::after {
  content: ''; position: absolute; top: 50%; width: 28%; height: 1px;
  background: var(--border);
}
.pro-divider-label::before { left: 16px; }
.pro-divider-label::after { right: 16px; }

/* Feature cards grid */
.pro-features-grid {
  display: flex; flex-direction: column; gap: 2px;
  padding: 0 12px;
}
.pro-feature-card {
  display: flex; align-items: center; gap: 11px;
  padding: 9px 10px; border-radius: 8px;
  background: var(--surface2); border: 1px solid transparent;
  transition: all var(--transition);
}
.pro-feature-card:hover {
  border-color: var(--border2); background: var(--surface);
  transform: translateX(2px);
}
.pro-feature-icon {
  width: 32px; height: 32px; border-radius: 8px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}
.pro-feature-title {
  font-size: 12px; font-weight: 600; color: var(--text); margin-bottom: 1px;
}
.pro-feature-desc { font-size: 10.5px; color: var(--text3); line-height: 1.4; }

/* CTA button */
.pro-cta-btn {
  display: flex; align-items: center; justify-content: center; gap: 7px;
  margin: 14px 12px 16px; padding: 11px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff; font-size: 13px; font-weight: 700;
  border-radius: var(--radius); text-decoration: none;
  box-shadow: 0 4px 14px rgba(184,144,58,0.35);
  transition: all var(--transition); letter-spacing: 0.2px;
}
.pro-cta-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(184,144,58,0.45);
}

/* Logged-in state */
.pro-user-bar {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 16px; background: var(--surface2);
  border-bottom: 1px solid var(--border);
}
.pro-user-avatar {
  width: 36px; height: 36px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px;
}
.pro-user-name { font-size: 13px; font-weight: 600; color: var(--text); }
.pro-user-plan { font-size: 10.5px; color: var(--accent); font-weight: 500; }
.pro-logged-in-msg {
  display: flex; align-items: center; gap: 8px;
  padding: 16px; font-size: 12.5px; color: var(--green);
}