/* Editor de PDF — interfaz de aplicación. Todo scoped a .fpdf */
.fpdf{--w-bg:#0f172a;--w-panel:#111827;--w-line:#1f2937;--w-txt:#e5e7eb;--w-mut:#94a3b8;--w-pri:#00bfff;
  width:100vw;margin-left:calc(50% - 50vw);margin-top:26px;margin-bottom:30px;font-family:inherit;color:var(--w-txt)}
.fpdf *{box-sizing:border-box}
.fpdf button{font-family:inherit}

/* ---------- estado vacío ---------- */
.fp-empty{background:var(--w-bg);padding:64px 20px;display:flex;justify-content:center}
.fp-empty-card{max-width:560px;width:100%;text-align:center;border:2px dashed #334155;border-radius:20px;padding:48px 28px;background:#0b1220;cursor:pointer;transition:.2s}
.fp-empty-card:hover,.fp-empty-card.over{border-color:var(--w-pri);background:#0d1526}
.fp-empty-card i.big{font-size:52px;color:var(--w-pri);display:block;margin-bottom:14px}
.fp-empty-card h3{margin:0 0 8px;font-size:21px;color:#fff;font-weight:800}
.fp-empty-card p{margin:0 0 20px;font-size:14px;color:var(--w-mut);line-height:1.6}
.fp-btn-main{display:inline-flex;align-items:center;gap:8px;background:var(--w-pri);color:#04121c;border:0;border-radius:11px;padding:13px 26px;font-size:15px;font-weight:800;cursor:pointer}
.fp-btn-main:hover{filter:brightness(1.08)}
.fp-empty-card input{display:none}
.fp-badges{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;margin-top:22px;font-size:12.5px;color:var(--w-mut)}
.fp-badges span{display:flex;align-items:center;gap:6px}
.fp-badges i{color:#22c55e;font-size:15px}

/* ---------- app ---------- */
.fp-app{display:none;background:var(--w-bg);height:min(84vh,900px);min-height:560px;flex-direction:column}
.fp-app.on{display:flex}
.fp-top{display:flex;align-items:center;gap:12px;padding:11px 16px;background:var(--w-panel);border-bottom:1px solid var(--w-line);flex-wrap:wrap}
.fp-file{display:flex;align-items:center;gap:9px;min-width:0;font-size:14px}
.fp-file i{color:#ef4444;font-size:22px;flex-shrink:0}
.fp-name{font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:34vw}
.fp-meta{color:var(--w-mut);font-size:12.5px;white-space:nowrap}
.fp-top-r{margin-left:auto;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.fp-ib{background:transparent;border:1px solid var(--w-line);color:var(--w-txt);border-radius:9px;width:34px;height:34px;font-size:16px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}
.fp-ib:hover{border-color:var(--w-pri);color:var(--w-pri)}
.fp-zoom{font-size:12.5px;color:var(--w-mut);min-width:44px;text-align:center;font-variant-numeric:tabular-nums}
.fp-dl{background:var(--w-pri);color:#04121c;border:0;border-radius:10px;padding:10px 18px;font-size:13.5px;font-weight:800;cursor:pointer;display:inline-flex;align-items:center;gap:7px}
.fp-dl:hover{filter:brightness(1.08)}
.fp-dl:disabled{opacity:.5;cursor:progress}
.fp-ghost{background:transparent;border:1px solid var(--w-line);color:var(--w-mut);border-radius:10px;padding:9px 14px;font-size:13px;font-weight:600;cursor:pointer}
.fp-ghost:hover{color:var(--w-txt);border-color:#334155}

.fp-body{flex:1;display:flex;min-height:0}
/* miniaturas */
.fp-thumbs{width:132px;flex-shrink:0;background:var(--w-panel);border-right:1px solid var(--w-line);overflow-y:auto;padding:12px 10px;display:flex;flex-direction:column;gap:10px}
.fp-th{border:2px solid transparent;border-radius:7px;overflow:hidden;cursor:pointer;position:relative;background:#fff;line-height:0}
.fp-th canvas{width:100%;display:block}
.fp-th span{position:absolute;bottom:3px;right:4px;background:rgba(15,23,42,.85);color:#fff;font-size:10px;padding:1px 6px;border-radius:5px;line-height:1.5}
.fp-th:hover{border-color:#334155}
.fp-th.act{border-color:var(--w-pri)}
/* lienzo */
.fp-area{position:relative;flex:1;overflow:auto;padding:24px;display:flex;flex-direction:column;align-items:center;gap:20px;background:#0b1220;scroll-behavior:smooth}
.fp-page{position:relative;background:#fff;box-shadow:0 8px 30px rgba(0,0,0,.45);border-radius:3px;flex-shrink:0}
.fp-page canvas{display:block;border-radius:3px}
.fp-num{position:absolute;top:8px;left:-46px;font-size:11px;color:var(--w-mut);background:var(--w-panel);border:1px solid var(--w-line);border-radius:6px;padding:2px 7px}
.fp-ov{position:absolute;inset:0}
.fp-it{position:absolute;cursor:move;touch-action:none;user-select:none;line-height:1;white-space:pre;padding:2px;border:1px dashed transparent;border-radius:3px}
.fp-it:hover{border-color:rgba(0,191,255,.55);background:rgba(0,191,255,.05)}
.fp-it.sel{border-color:var(--w-pri);background:rgba(0,191,255,.09);box-shadow:0 0 0 3px rgba(0,191,255,.13)}
.fp-it img{display:block;width:100%;pointer-events:none}
.fp-it .x{position:absolute;top:-11px;right:-11px;width:22px;height:22px;border-radius:50%;background:#ef4444;color:#fff;border:0;font-size:14px;line-height:1;cursor:pointer;display:none;align-items:center;justify-content:center;padding:0}
.fp-it.sel .x{display:flex}
/* panel derecho */
.fp-side{width:262px;flex-shrink:0;background:var(--w-panel);border-left:1px solid var(--w-line);overflow-y:auto;padding:16px}
.fp-side h4{margin:0 0 10px;font-size:11px;text-transform:uppercase;letter-spacing:.9px;color:var(--w-mut);font-weight:800}
.fp-side h4:not(:first-child){margin-top:22px}
.fp-tool{width:100%;display:flex;align-items:center;gap:10px;background:#0b1220;border:1px solid var(--w-line);color:var(--w-txt);border-radius:11px;padding:12px;font-size:13.5px;font-weight:600;cursor:pointer;margin-bottom:8px;text-align:left}
.fp-tool:hover{border-color:var(--w-pri);color:#fff}
.fp-tool i{font-size:19px;color:var(--w-pri)}
.fp-tool.main{background:var(--w-pri);color:#04121c;border-color:var(--w-pri)}
.fp-tool.main i{color:#04121c}
.fp-quick{display:flex;flex-wrap:wrap;gap:6px}
.fp-quick button{background:#0b1220;border:1px solid var(--w-line);color:var(--w-mut);border-radius:20px;padding:6px 11px;font-size:12px;cursor:pointer}
.fp-quick button:hover{border-color:var(--w-pri);color:var(--w-pri)}
.fp-props{display:none;flex-direction:column;gap:11px}
.fp-props.on{display:flex}
.fp-props label{font-size:11.5px;color:var(--w-mut);font-weight:700;display:block;margin-bottom:5px}
.fp-props input[type=text]{width:100%;background:#0b1220;border:1px solid var(--w-line);border-radius:9px;padding:9px 11px;color:var(--w-txt);font-size:13px;font-family:inherit}
.fp-props input[type=text]:focus{outline:none;border-color:var(--w-pri)}
.fp-props input[type=range]{width:100%;accent-color:var(--w-pri)}
.fp-props input[type=color]{width:100%;height:34px;background:#0b1220;border:1px solid var(--w-line);border-radius:8px;padding:3px;cursor:pointer}
.fp-props .del{background:transparent;border:1px solid #7f1d1d;color:#f87171;border-radius:9px;padding:9px;font-size:12.5px;font-weight:700;cursor:pointer}
.fp-props .del:hover{background:rgba(239,68,68,.1)}
.fp-none{font-size:12.5px;color:#64748b;line-height:1.6;background:#0b1220;border:1px dashed var(--w-line);border-radius:10px;padding:12px}
.fp-priv{margin-top:22px;font-size:11.5px;color:var(--w-mut);line-height:1.6;background:rgba(34,197,94,.07);border:1px solid rgba(34,197,94,.25);border-radius:10px;padding:11px 12px}
.fp-priv b{color:#4ade80}
.fp-msg{position:fixed;left:50%;transform:translateX(-50%);bottom:26px;z-index:99999;padding:12px 20px;border-radius:11px;font-size:13.5px;font-weight:600;display:none;box-shadow:0 10px 30px rgba(0,0,0,.35)}
.fp-msg.on{display:block}
.fp-msg.ok{background:#052e16;color:#4ade80;border:1px solid #166534}
.fp-msg.err{background:#450a0a;color:#fca5a5;border:1px solid #991b1b}

/* modal de firma */
.fp-modal{position:fixed;inset:0;background:rgba(2,6,23,.78);display:none;align-items:center;justify-content:center;z-index:99999;padding:16px}
.fp-modal.on{display:flex}
.fp-card{background:var(--w-panel);border:1px solid var(--w-line);border-radius:18px;padding:24px;max-width:540px;width:100%}
.fp-card h3{margin:0 0 6px;font-size:19px;color:#fff}
.fp-card p{margin:0 0 16px;font-size:13px;color:var(--w-mut);line-height:1.6}
.fp-pad{border:2px dashed var(--w-line);border-radius:12px;background:#fff;touch-action:none;width:100%;height:190px;display:block;cursor:crosshair}
.fp-card .row{display:flex;gap:8px;justify-content:flex-end;margin-top:16px;flex-wrap:wrap;align-items:center}
.fp-up{margin-right:auto;font-size:12.5px;color:var(--w-mut);cursor:pointer;text-decoration:underline}
.fp-card input[type=file]{display:none}

@media(max-width:980px){
  .fp-thumbs{display:none}
  .fp-side{width:210px}
  .fp-num{display:none}
}
@media(max-width:720px){
  .fp-app{height:auto;min-height:0}
  .fp-body{flex-direction:column}
  .fp-side{width:100%;border-left:0;border-top:1px solid var(--w-line);order:-1;display:flex;flex-wrap:wrap;gap:8px;padding:12px}
  .fp-side h4{width:100%;margin:0 0 4px}
  .fp-side h4:not(:first-child){margin-top:8px}
  .fp-tool{width:auto;flex:1;margin-bottom:0;justify-content:center}
  .fp-area{padding:14px;max-height:70vh}
  .fp-name{max-width:52vw}
}