:root{
  --bg:#f4f6f9; --panel:#ffffff; --border:#dde3ea; --text:#1f2937; --muted:#6b7280;
  --primary:#0f5c9c; --primary-dark:#0b4677; --accent:#16a34a; --warn:#b45309; --warn-bg:#fff7ed;
  --danger:#dc2626; --danger-bg:#fef2f2; --ok-bg:#f0fdf4; --chip-bg:#eef2ff;
  --header-bg:linear-gradient(135deg,#0b4677,#0f5c9c); --header-text:#ffffff; --header-title:#ffffff; --header-border:transparent; --on-primary:#ffffff; --heading:var(--text);
  --log-bg:#0f172a; --log-text:#d1e8ff; --toggle-bg:rgba(255,255,255,.14); --toggle-border:rgba(255,255,255,.22); --toggle-icon:rgba(255,255,255,.85); --toggle-active-bg:#ffffff; --toggle-active-icon:#0b4677; --chip-ver-bg:rgba(255,255,255,.18); --chip-ver-text:#ffffff;
  --surface:#ffffff; --surface-2:#fafcff; --hover:#eef6ff; --subtle:#f1f5f9; --row-hover:#f8fafc; --tab-bg:#eef2f6;
  --warn-border:#fed7aa; --warn-text:#7c2d12; --danger-border:#fecaca; --danger-text:#7f1d1d; --danger-title:#b91c1c; --disabled:#a9c3d8; --accent-text:#0b4677;
}
*{box-sizing:border-box;}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);}
.wrap{max-width:1200px;margin:0 auto;padding:24px 20px 80px;}
header.app-header{background:var(--header-bg);color:var(--header-text);border-bottom:1px solid var(--header-border);padding:22px 20px;border-radius:0 0 14px 14px;margin-bottom:22px;}
header.app-header h1{margin:0 0 4px;font-size:20px;}
header.app-header p{margin:0;font-size:13px;opacity:.9;}
.panel{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:18px 20px;margin-bottom:18px;}
.panel h2{font-size:15px;margin:0 0 4px;display:flex;align-items:center;gap:8px;}
.panel h2 .step-num{background:var(--primary);color:var(--on-primary);border-radius:50%;width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;font-size:12px;flex:none;}
.panel .hint{font-size:12.5px;color:var(--muted);margin:2px 0 14px;}
.grid-cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px;}
.dropzone{border:2px dashed var(--border);border-radius:10px;padding:14px;text-align:center;cursor:pointer;background:var(--surface-2);transition:.15s;position:relative;}
.dropzone:hover,.dropzone.dragover{border-color:var(--primary);background:var(--hover);}
.dropzone.required::after{content:"Obligatorio";position:absolute;top:-9px;right:10px;background:var(--danger);color:#fff;font-size:10px;padding:2px 7px;border-radius:8px;}
.dropzone.optional::after{content:"Opcional";position:absolute;top:-9px;right:10px;background:var(--muted);color:#fff;font-size:10px;padding:2px 7px;border-radius:8px;}
.dropzone .dz-title{font-weight:600;font-size:13.5px;margin-bottom:2px;}
.dropzone .dz-sub{font-size:11.5px;color:var(--muted);}
.dropzone input[type=file]{display:none;}
.filelist{margin-top:8px;text-align:left;font-size:12px;}
.filelist .fitem{display:flex;align-items:center;justify-content:space-between;background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:4px 8px;margin-bottom:4px;}
.filelist .fitem button{border:none;background:none;color:var(--danger);cursor:pointer;font-size:13px;}
.opt-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:6px;}
.opt-card{flex:1;min-width:230px;border:1.5px solid var(--border);border-radius:10px;padding:12px 14px;cursor:pointer;transition:.15s;}
.opt-card:hover{border-color:var(--primary);}
.opt-card.selected{border-color:var(--primary);background:var(--hover);}
.opt-card .opt-title{font-weight:600;font-size:13.5px;margin-bottom:3px;display:flex;align-items:center;gap:6px;}
.opt-card .opt-desc{font-size:12px;color:var(--muted);line-height:1.4;}
.opt-card .opt-example{font-size:11.5px;color:var(--accent-text);background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:6px 8px;margin-top:6px;}
button.btn{border:none;border-radius:8px;padding:9px 18px;font-size:13.5px;font-weight:600;cursor:pointer;transition:.15s;}
button.btn-primary{background:var(--primary);color:var(--on-primary);}
button.btn-primary:hover{background:var(--primary-dark);}
button.btn-primary:disabled{background:var(--disabled);cursor:not-allowed;}
button.btn-secondary{background:var(--surface);color:var(--primary);border:1.5px solid var(--primary);}
button.btn-secondary:hover{background:var(--hover);}
button.btn-ghost{background:none;color:var(--muted);border:1px solid var(--border);}
button.btn-danger{background:var(--danger-bg);color:var(--danger);border:1px solid var(--danger-border);}
button.btn-sm{padding:5px 10px;font-size:12px;border-radius:6px;}
.actions-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:12px;}
#logPanel{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px;background:var(--log-bg);color:var(--log-text);border-radius:8px;padding:10px 12px;max-height:180px;overflow-y:auto;white-space:pre-wrap;display:none;}
#logPanel.show{display:block;}
.badge{display:inline-block;font-size:11px;font-weight:700;padding:2px 8px;border-radius:10px;}
.badge-ok{background:var(--ok-bg);color:var(--accent);}
.badge-warn{background:var(--warn-bg);color:var(--warn);}
.badge-danger{background:var(--danger-bg);color:var(--danger);}
.badge-muted{background:var(--subtle);color:var(--muted);}
table.datatable{border-collapse:collapse;width:100%;font-size:12.5px;}
table.datatable th{background:var(--subtle);text-align:left;padding:6px 8px;position:sticky;top:0;border-bottom:2px solid var(--border);white-space:nowrap;}
table.datatable td{padding:4px 6px;border-bottom:1px solid var(--border);white-space:nowrap;}
table.datatable tbody tr:hover{background:var(--row-hover);}
table.datatable td.editable{cursor:text;}
table.datatable td.editable:focus{outline:2px solid var(--primary);outline-offset:-2px;background:var(--surface);}
table.datatable td.num{text-align:right;font-variant-numeric:tabular-nums;}
.table-scroll{max-height:520px;overflow:auto;border:1px solid var(--border);border-radius:8px;}
.tabs{display:flex;gap:6px;margin-bottom:12px;}
.tab-btn{padding:8px 16px;border-radius:8px 8px 0 0;border:1px solid var(--border);border-bottom:none;background:var(--tab-bg);cursor:pointer;font-size:13px;font-weight:600;color:var(--muted);}
.tab-btn.active{background:var(--surface);color:var(--accent-text);}
.tabpage{display:none;}
.tabpage.active{display:block;}
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:10px;}
.toolbar .search{padding:6px 10px;border:1px solid var(--border);border-radius:7px;font-size:12.5px;min-width:200px;}
.warn-box{background:var(--warn-bg);border:1px solid var(--warn-border);border-radius:10px;padding:12px 14px;margin-bottom:14px;font-size:12.5px;}
.warn-box h3{margin:0 0 8px;font-size:13px;color:var(--warn);}
.unk-row{display:flex;align-items:center;gap:8px;justify-content:space-between;padding:6px 0;border-bottom:1px solid #fed7aa55;flex-wrap:wrap;}
.unk-row:last-child{border-bottom:none;}
.unk-row select{font-size:12px;padding:4px 6px;border-radius:6px;border:1px solid var(--border);}
.modal-overlay{position:fixed;inset:0;background:rgba(15,23,42,.55);display:none;align-items:center;justify-content:center;z-index:50;padding:20px;}
.modal-overlay.show{display:flex;}
.modal-box{background:var(--surface);border-radius:12px;max-width:920px;width:100%;max-height:90vh;overflow:auto;padding:20px 22px;}
.modal-box h3{margin-top:0;}
.close-x{float:right;border:none;background:none;font-size:20px;cursor:pointer;color:var(--muted);}
.field-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:10px;}
.field-row label{font-size:12px;color:var(--muted);display:block;margin-bottom:3px;}
.field-row input,.field-row select{padding:6px 8px;border:1px solid var(--border);border-radius:6px;font-size:13px;}
.recibo-preview-img{max-width:100%;border:1px solid var(--border);border-radius:8px;cursor:zoom-in;}
.recibo-preview-wrap{position:relative;display:inline-block;max-width:100%;}
.recibo-preview-zoom-hint{position:absolute;bottom:8px;right:8px;background:rgba(15,23,42,.65);color:#fff;font-size:11px;padding:3px 9px;border-radius:6px;pointer-events:none;}
.img-lightbox-overlay{position:fixed;inset:0;background:rgba(15,23,42,.88);display:none;z-index:200;}
.img-lightbox-overlay.show{display:block;}
.img-lightbox-toolbar{position:absolute;top:14px;right:14px;display:flex;gap:8px;z-index:201;}
.img-lightbox-toolbar button{border:none;border-radius:8px;padding:8px 13px;font-size:14px;font-weight:600;cursor:pointer;background:var(--surface);color:var(--text);}
.img-lightbox-toolbar button:hover{background:var(--hover);}
.img-lightbox-canvas{position:absolute;inset:0;overflow:hidden;display:flex;align-items:center;justify-content:center;cursor:grab;}
.img-lightbox-canvas.dragging{cursor:grabbing;}
.img-lightbox-canvas img{max-width:none;max-height:none;user-select:none;-webkit-user-drag:none;box-shadow:0 10px 40px rgba(0,0,0,.5);}
.img-lightbox-hint{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);color:#e2e8f0;font-size:11.5px;background:rgba(15,23,42,.6);padding:5px 12px;border-radius:8px;z-index:201;}
.pill-count{background:var(--chip-bg);color:var(--accent-text);font-size:11px;font-weight:700;padding:1px 8px;border-radius:9px;}
.step-locked{opacity:.5;pointer-events:none;filter:grayscale(.3);}
footer.app-footer{text-align:center;font-size:11.5px;color:var(--muted);margin-top:30px;}
.spinner{width:14px;height:14px;border:2px solid #ffffff55;border-top-color:#fff;border-radius:50%;display:inline-block;animation:spin 0.7s linear infinite;vertical-align:middle;margin-right:6px;}
@keyframes spin{to{transform:rotate(360deg);}}
.small-note{font-size:11px;color:var(--muted);margin-top:4px;}
.legend-chip{display:inline-block;font-size:11px;background:var(--subtle);border-radius:6px;padding:2px 7px;margin:2px 4px 2px 0;}

/* v7: modo oscuro (manual o según el sistema) */
:root[data-theme="dark"]{ --bg:#1f1e1d; --panel:#262624; --border:#3a3936; --text:#f5f4ef; --muted:#a8a59b;
  --primary:#d4a24c; --primary-dark:#b9893a; --accent:#8fcf9c; --warn:#e3a857; --warn-bg:#2d2618;
  --danger:#ef7b70; --danger-bg:#2e1e1c; --ok-bg:#1f2a21; --chip-bg:#3a3224;
  --surface:#2d2c2a; --surface-2:#2a2927; --hover:#35322b; --subtle:#33312d; --row-hover:#2c2b29; --tab-bg:#2a2927;
  --warn-border:#5a4626; --warn-text:#ecc98a; --danger-border:#5b302c; --danger-text:#f3bdb6; --danger-title:#ff9d92; --disabled:#4a4335; --accent-text:#e6bf72;
  --header-bg:linear-gradient(135deg,#2b2a27,#1c1b1a); --header-text:#d9d6cc; --header-title:#e6bf72; --header-border:#3a3936; --on-primary:#1f1e1d; --heading:#e6bf72;
  --log-bg:#171615; --log-text:#e8dcc0; --toggle-bg:#30302e; --toggle-border:#3f3e3a; --toggle-icon:#a8a59b; --toggle-active-bg:#d4a24c; --toggle-active-icon:#1f1e1d; --chip-ver-bg:#3a3224; --chip-ver-text:#e6bf72;
  color-scheme: dark; }
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){ --bg:#1f1e1d; --panel:#262624; --border:#3a3936; --text:#f5f4ef; --muted:#a8a59b;
  --primary:#d4a24c; --primary-dark:#b9893a; --accent:#8fcf9c; --warn:#e3a857; --warn-bg:#2d2618;
  --danger:#ef7b70; --danger-bg:#2e1e1c; --ok-bg:#1f2a21; --chip-bg:#3a3224;
  --surface:#2d2c2a; --surface-2:#2a2927; --hover:#35322b; --subtle:#33312d; --row-hover:#2c2b29; --tab-bg:#2a2927;
  --warn-border:#5a4626; --warn-text:#ecc98a; --danger-border:#5b302c; --danger-text:#f3bdb6; --danger-title:#ff9d92; --disabled:#4a4335; --accent-text:#e6bf72;
  --header-bg:linear-gradient(135deg,#2b2a27,#1c1b1a); --header-text:#d9d6cc; --header-title:#e6bf72; --header-border:#3a3936; --on-primary:#1f1e1d; --heading:#e6bf72;
  --log-bg:#171615; --log-text:#e8dcc0; --toggle-bg:#30302e; --toggle-border:#3f3e3a; --toggle-icon:#a8a59b; --toggle-active-bg:#d4a24c; --toggle-active-icon:#1f1e1d; --chip-ver-bg:#3a3224; --chip-ver-text:#e6bf72;
  color-scheme: dark; } }
:root[data-theme="light"]{ color-scheme: light; }
input, select, textarea{ background:var(--surface); color:var(--text); border:1px solid var(--border); border-radius:6px; padding:4px 6px; font:inherit; font-size:12.5px; }
.app-header-row{ display:flex; justify-content:space-between; align-items:flex-start; gap:12px; flex-wrap:wrap; }
.theme-switch{ display:inline-flex; align-items:center; background:var(--toggle-bg); border:1px solid var(--toggle-border); border-radius:999px; padding:3px; gap:2px; flex:none; }
.theme-btn{ display:inline-flex; align-items:center; justify-content:center; width:32px; height:28px; border:none; background:transparent; color:var(--toggle-icon); border-radius:999px; cursor:pointer; transition:background .15s, color .15s, transform .1s; }
.theme-btn svg{ width:16px; height:16px; fill:none; stroke:currentColor; stroke-width:1.9; stroke-linecap:round; stroke-linejoin:round; }
.theme-btn:hover{ color:var(--header-title); }
.theme-btn:active{ transform:scale(.94); }
.theme-btn.active{ background:var(--toggle-active-bg); color:var(--toggle-active-icon); box-shadow:0 1px 3px rgba(0,0,0,.25); }
.theme-btn:focus-visible{ outline:2px solid var(--toggle-active-bg); outline-offset:2px; }
header.app-header h1{ color:var(--header-title); letter-spacing:-.01em; }
.ver-chip{ display:inline-block; vertical-align:middle; margin-left:6px; font-size:11px; font-weight:600; padding:2px 8px; border-radius:999px; background:var(--chip-ver-bg); color:var(--chip-ver-text); }
.panel h2{ color:var(--heading); }
.panel{ box-shadow:0 1px 2px rgba(0,0,0,.04); }
:root[data-theme="dark"] .panel{ box-shadow:none; }
body, .panel, .dropzone, .opt-card, .tab-btn, table.datatable th, table.datatable td{ transition:background-color .2s, border-color .2s, color .2s; }
details > summary{ color:var(--text); }
.bulk-bar{ display:flex; flex-wrap:wrap; align-items:center; gap:10px; margin:4px 0 8px; padding:6px 8px; border:1px dashed var(--border); border-radius:8px; font-size:12px; }
.unk-row label input.bulk-cb{ margin:0; }