/* ============================================================================
 *  REMITOS · INTELLIHELP  ·  Interfaz  (diseño de producto)
 * ========================================================================== */
:root{
  --canvas:#f4f5f7;
  --canvas-2:#eceef2;
  --surface:#ffffff;
  --primary:#663399;
  --primary-600:#59287f;
  --primary-700:#48206a;
  --primary-050:#f6f1fc;
  --primary-100:#eee3f9;
  --ink:#12141a;
  --ink-2:#3a3f4b;
  --muted:#6a7180;
  --faint:#9aa1ad;
  --accent:#9CC930;
  --accent-600:#79a223;
  --accent-050:#f3f8e7;
  --line:#e9eaee;
  --line-2:#e0e2e8;
  --field-line:#dfe1e7;
  --field-bg:#ffffff;
  --danger:#d33b2c;
  --r-xs:7px; --r-sm:9px; --r:12px; --r-lg:16px; --r-xl:20px;
  --sh-xs:0 1px 2px rgba(16,20,30,.05);
  --sh-1:0 1px 2px rgba(16,20,30,.04), 0 1px 3px rgba(16,20,30,.05);
  --sh-2:0 2px 4px rgba(16,20,30,.05), 0 6px 16px rgba(16,20,30,.07);
  --sh-3:0 8px 20px rgba(16,20,30,.10), 0 20px 48px rgba(16,20,30,.12);
  --ring:0 0 0 3.5px rgba(102,51,153,.14);
  --sans:'Saira', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --ease:cubic-bezier(.4,0,.2,1);
}

*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{
  font-family:var(--sans);color:var(--ink);background:var(--canvas);
  font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
button{font-family:inherit}
::selection{background:var(--primary-100)}
.app{display:flex;flex-direction:column;height:100vh;overflow:hidden}

/* thin, refined scrollbars */
*{scrollbar-width:thin;scrollbar-color:#d4d7de transparent}
*::-webkit-scrollbar{width:10px;height:10px}
*::-webkit-scrollbar-thumb{background:#d4d7de;border-radius:10px;border:3px solid transparent;background-clip:padding-box}
*::-webkit-scrollbar-thumb:hover{background:#c2c6cf;background-clip:padding-box}

/* ================================ TOP BAR =============================== */
.topbar{
  display:flex;align-items:center;gap:12px;padding:0 16px;height:58px;flex-shrink:0;z-index:30;
  background:rgba(255,255,255,.82);backdrop-filter:saturate(1.6) blur(12px);
  border-bottom:1px solid var(--line);
}
.icon-btn{
  width:36px;height:36px;flex-shrink:0;display:grid;place-items:center;
  border:1px solid transparent;border-radius:9px;background:transparent;color:var(--ink-2);cursor:pointer;transition:.15s var(--ease);
}
.icon-btn:hover{background:var(--primary-050);color:var(--primary)}
.icon-btn:active{transform:scale(.94)}
.icon-btn svg{width:20px;height:20px}

.brand{display:flex;align-items:center;gap:11px;min-width:0}
.brand .logo{
  width:36px;height:36px;border-radius:10px;flex-shrink:0;color:#fff;display:grid;place-items:center;
  font-weight:800;font-size:13px;letter-spacing:.4px;
  background:linear-gradient(150deg,#8248bd 0%,var(--primary) 45%,var(--primary-700) 100%);
  box-shadow:0 2px 6px rgba(102,51,153,.32), inset 0 1px 0 rgba(255,255,255,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.08;min-width:0}
.brand-text strong{font-weight:700;font-size:15.5px;letter-spacing:-.1px}
.brand-text small{font-weight:500;color:var(--faint);font-size:10px;letter-spacing:.7px;text-transform:uppercase}
.topbar .spacer{flex:1}
.toolbar{display:flex;align-items:center;gap:5px}
.tb-divider{width:1px;height:22px;background:var(--line-2);margin:0 5px}

/* ------------------------------- Botones -------------------------------- */
.btn{
  display:inline-flex;align-items:center;gap:7px;padding:8px 13px;border-radius:9px;
  border:1px solid var(--line-2);background:var(--surface);color:var(--ink-2);
  font-weight:600;font-size:13px;cursor:pointer;transition:.14s var(--ease);white-space:nowrap;line-height:1;box-shadow:var(--sh-xs)}
.btn svg{width:16px;height:16px;flex-shrink:0}
.btn:hover{border-color:var(--line-2);color:var(--ink);box-shadow:var(--sh-1);transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn.primary{background:linear-gradient(150deg,#7539b0,var(--primary));border-color:transparent;color:#fff;box-shadow:0 2px 8px rgba(102,51,153,.30)}
.btn.primary:hover{box-shadow:0 5px 16px rgba(102,51,153,.40)}
.btn.accent{background:var(--accent);border-color:transparent;color:#173b00;box-shadow:0 2px 8px rgba(156,201,48,.28)}
.btn.accent:hover{background:var(--accent-600)}
.btn.ghost{border-color:transparent;background:transparent;color:var(--ink-2);box-shadow:none}
.btn.ghost:hover{background:var(--primary-050);color:var(--primary);box-shadow:none;transform:none}
.btn.icon{padding:8px;width:36px;height:36px;justify-content:center}
.btn.sm{padding:7px 11px;font-size:12.5px}
.btn.danger{color:var(--danger);border-color:transparent;background:transparent;box-shadow:none}
.btn.danger:hover{background:#fdeceb;color:var(--danger)}
@media(max-width:1120px){ .toolbar .btn span{display:none} .toolbar .btn{padding:8px} }

/* -------------------------------- Cuerpo -------------------------------- */
.main{display:flex;flex:1;min-height:0;position:relative}

/* --------------------------- Sidebar (editor) --------------------------- */
.editor{
  width:428px;flex:0 0 428px;background:var(--surface);border-right:1px solid var(--line);
  overflow-y:auto;padding:18px 18px 80px;transition:margin-left .34s var(--ease), opacity .22s var(--ease);
}
.app.sidebar-hidden .editor{margin-left:-428px;opacity:0;pointer-events:none}

.preview-pane{
  flex:1;min-width:0;overflow:auto;position:relative;display:flex;justify-content:center;align-items:flex-start;padding:36px 28px 64px;
  background:
    radial-gradient(900px 460px at 50% -6%, rgba(102,51,153,.045), transparent 62%),
    linear-gradient(180deg,#f1f2f5 0%,#e7e9ee 100%);
}

/* ------------------------------ Secciones ------------------------------- */
.section{margin-bottom:14px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);box-shadow:var(--sh-1);overflow:hidden}
.section>h3{
  margin:0;padding:13px 16px 11px;font-size:11.5px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;
  color:var(--ink);display:flex;align-items:center;gap:9px;border-bottom:1px solid var(--line);
}
.section>h3::before{content:"";width:7px;height:7px;border-radius:3px;background:var(--primary);box-shadow:0 0 0 3px var(--primary-100)}
.section-body{padding:16px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:13px 12px}
.grid .full{grid-column:1/-1}

.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:11.5px;font-weight:600;color:var(--muted);letter-spacing:.1px}
.field input,.field textarea,.field select{
  width:100%;padding:9.5px 12px;border:1px solid var(--field-line);border-radius:var(--r-sm);
  font-family:inherit;font-size:13.5px;color:var(--ink);background:var(--field-bg);transition:.15s var(--ease);
  box-shadow:inset 0 1px 1px rgba(16,20,30,.02);
}
.field input:hover,.field textarea:hover,.field select:hover{border-color:#cfd2da}
.field input::placeholder,.field textarea::placeholder{color:#b6bbc4}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:var(--ring)}
.field textarea{resize:vertical;min-height:46px;line-height:1.4}

.radios{display:flex;gap:18px;flex-wrap:wrap;padding-top:5px}
.radios label{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:500;color:var(--ink-2);cursor:pointer}
.radios input{accent-color:var(--primary);width:15px;height:15px;margin:0;cursor:pointer;flex-shrink:0}

/* --------------------------------- Ítems -------------------------------- */
.item-card{border:1px solid var(--line);border-radius:var(--r);padding:13px;margin-bottom:11px;background:#fcfcfd;transition:.15s var(--ease)}
.item-card:hover{border-color:var(--line-2);box-shadow:var(--sh-1)}
.item-card:focus-within{border-color:var(--primary);box-shadow:var(--ring)}
.item-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:11px}
.item-badge{font-size:10.5px;font-weight:700;color:var(--primary);background:var(--primary-050);padding:3px 10px;border-radius:20px;letter-spacing:.3px;text-transform:uppercase}
.item-del{width:27px;height:27px;display:grid;place-items:center;border:1px solid transparent;border-radius:8px;background:transparent;color:var(--faint);cursor:pointer;transition:.14s var(--ease)}
.item-del:hover{background:#fdeceb;color:var(--danger)}
.item-del svg{width:15px;height:15px}
.item-card .grid{gap:12px 12px}
.item-card textarea{resize:none;min-height:46px;max-height:180px}

/* ---------------------------- Panel deslizable -------------------------- */
.calib{position:fixed;top:0;right:0;height:100vh;width:360px;background:var(--surface);border-left:1px solid var(--line);
  box-shadow:-16px 0 50px rgba(16,20,30,.14);transform:translateX(100%);transition:transform .3s var(--ease);z-index:60;display:flex;flex-direction:column}
.calib.open{transform:none}
.calib-head{display:flex;align-items:center;justify-content:space-between;padding:17px 18px;border-bottom:1px solid var(--line)}
.calib-head h3{margin:0;font-size:15px;color:var(--ink);font-weight:700;display:flex;align-items:center;gap:8px}
.calib-body{padding:18px;overflow-y:auto}
.calib .row{margin-bottom:18px}
.calib .row>label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin-bottom:8px}
.calib .slider{display:flex;align-items:center;gap:11px}
.calib .slider input[type=range]{flex:1;accent-color:var(--primary);height:4px}
.calib .slider output{font-variant-numeric:tabular-nums;font-weight:700;min-width:54px;text-align:right;font-size:12.5px;color:var(--primary)}
.calib select{width:100%;padding:9.5px 12px;border:1px solid var(--field-line);border-radius:var(--r-sm);font-family:inherit;background:#fff;font-size:13.5px}
.switch{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 0;border-top:1px solid var(--line)}
.switch label{font-size:13px;font-weight:600}
.toggle{position:relative;width:44px;height:25px;flex-shrink:0}
.toggle input{opacity:0;width:0;height:0}
.toggle .track{position:absolute;inset:0;background:#d7dae1;border-radius:25px;transition:.2s var(--ease);cursor:pointer}
.toggle .track:before{content:'';position:absolute;left:3px;top:3px;width:19px;height:19px;background:#fff;border-radius:50%;transition:.2s var(--ease);box-shadow:0 1px 3px rgba(0,0,0,.22)}
.toggle input:checked+.track{background:var(--accent)}
.toggle input:checked+.track:before{transform:translateX(19px)}
.hint{font-size:11.5px;color:var(--muted);line-height:1.55;margin-top:5px}

/* --------------------------- Ajustar campos ----------------------------- */
.adj-head{display:grid;grid-template-columns:1fr 96px 96px;gap:8px;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.3px;color:var(--faint);padding:2px 2px 8px}
.adj-head span:not(:first-child){text-align:center}
.adj-row{display:grid;grid-template-columns:1fr 96px 96px;gap:8px;align-items:center;padding:7px 2px;border-top:1px solid var(--line)}
.adj-name{font-size:12px;font-weight:600;line-height:1.15;color:var(--ink-2)}
.adj-ctrl{display:inline-flex;align-items:center;justify-content:center;gap:2px}
.adj-ctrl button{width:28px;height:28px;border:1px solid var(--field-line);background:#fff;border-radius:8px;cursor:pointer;font-size:12px;line-height:1;padding:0;color:var(--primary);font-weight:700;transition:.12s var(--ease)}
.adj-ctrl button:hover{background:var(--primary);border-color:var(--primary);color:#fff}
.adj-ctrl button:active{transform:scale(.9)}
.adj-ctrl output{font-size:11px;min-width:30px;text-align:center;font-variant-numeric:tabular-nums;color:var(--muted)}
.adj-ctrl output.on{color:var(--accent-600);font-weight:700}

/* ------------------------------ Guardados ------------------------------- */
.saved-list{max-height:62vh;overflow:auto}
.saved-item{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:12px 13px;border:1px solid var(--line);border-radius:var(--r);margin-bottom:8px;cursor:pointer;transition:.15s var(--ease)}
.saved-item:hover{border-color:var(--primary);background:var(--primary-050)}
.saved-item .meta{font-size:11.5px;color:var(--muted);margin-top:2px}
.saved-item strong{font-size:13.5px}

/* ------------------------------- Overlay -------------------------------- */
.backdrop{position:fixed;inset:0;background:rgba(16,20,30,.32);backdrop-filter:blur(2px);z-index:55;opacity:0;pointer-events:none;transition:.24s var(--ease)}
.backdrop.show{opacity:1;pointer-events:auto}

/* -------------------------------- Zoom ---------------------------------- */
.zoombar{
  position:absolute;left:50%;transform:translateX(-50%);bottom:20px;z-index:20;display:flex;align-items:center;gap:1px;
  background:rgba(255,255,255,.92);padding:5px 6px;border-radius:30px;box-shadow:var(--sh-2);border:1px solid var(--line);backdrop-filter:blur(10px)}
.zoombar .btn{padding:6px 11px;border:none;background:transparent;box-shadow:none;color:var(--ink-2)}
.zoombar .btn:hover{background:var(--primary-050);color:var(--primary);box-shadow:none;transform:none}
.zval{font-size:12px;font-weight:700;min-width:46px;text-align:center;color:var(--muted)}

/* ============================ HOJA DEL REMITO =========================== */
.page-wrap{transform-origin:top left}
.page{
  position:relative;background:#fff;width:calc(var(--paper-w) * 1mm);height:calc(var(--paper-h) * 1mm);
  box-shadow:0 0 0 1px rgba(16,20,30,.05), 0 2px 6px rgba(16,20,30,.08), 0 16px 40px rgba(16,20,30,.14), 0 40px 80px rgba(16,20,30,.08);
  border-radius:3px;transform:scale(var(--zoom));transform-origin:top left;overflow:hidden;
}
.guide{position:absolute;inset:0;width:100%;height:100%;object-fit:fill;opacity:calc(var(--guide-opacity) / 100);pointer-events:none;user-select:none}
.data-layer{position:absolute;inset:0;transform:translate(calc(var(--off-x)*1mm), calc(var(--off-y)*1mm)) scale(calc(var(--scale-x)/100), calc(var(--scale-y)/100));transform-origin:top left;color:#000}
.f{position:absolute;line-height:1.05;white-space:pre-wrap;word-break:break-word;color:#000;font-weight:500}
.items-box{position:absolute;left:0;width:100%;color:#000;overflow:hidden}
.it-row{display:grid;align-items:start}
.it-cell{white-space:pre-wrap;word-break:break-word;color:#000}
.x-mark{position:absolute;font-weight:800}

/* --------------------------------- Print -------------------------------- */
@media print{
  html,body{height:auto !important;min-height:0 !important;overflow:visible !important;margin:0 !important;padding:0 !important;background:#fff !important}
  .topbar,.editor,.zoombar,.calib,.backdrop,.icon-btn,.no-print{display:none !important}
  .app,.main,.preview-pane,.page-wrap{
    display:block !important;position:static !important;flex:none !important;width:auto !important;height:auto !important;
    min-height:0 !important;max-height:none !important;overflow:visible !important;margin:0 !important;padding:0 !important;transform:none !important;background:#fff !important;
  }
  .page{position:relative !important;transform:none !important;box-shadow:none !important;border-radius:0 !important;margin:0 !important;
    width:calc(var(--paper-w) * 1mm) !important;height:calc(var(--paper-h) * 1mm) !important;overflow:hidden;break-inside:avoid;page-break-after:avoid}
  .guide{display:var(--print-guide-display, none)}
}

/* -------------------------------- Toast --------------------------------- */
.toast{position:fixed;bottom:26px;left:50%;transform:translate(-50%,20px);background:var(--ink);color:#fff;padding:12px 20px;border-radius:12px;
  font-size:13px;font-weight:600;z-index:80;opacity:0;pointer-events:none;transition:.25s var(--ease);box-shadow:0 12px 38px rgba(0,0,0,.30)}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.ok{background:#173b00;border-left:4px solid var(--accent)}

@media(max-width:900px){
  .editor{position:fixed;top:58px;left:0;bottom:0;z-index:40;box-shadow:var(--sh-3)}
  .app.sidebar-hidden .editor{margin-left:-428px}
  .preview-pane{padding:16px 8px}
}