/* IrfanEdu PDF Tools */
.iepe{--i-accent:#2563eb;--i-ink:#111827;--i-mute:#6b7280;--i-line:#e5e7eb;--i-bg:#f8fafc;color:var(--i-ink);font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;max-width:100%}
.iepe *{box-sizing:border-box}
.iepe [hidden]{display:none!important}
.iepe-nav{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 20px}
.iepe-nav a{padding:6px 14px;border:1px solid var(--i-line);border-radius:999px;text-decoration:none;color:var(--i-ink);background:#fff;font-size:14px;box-shadow:none}
.iepe-nav a:hover,.iepe-nav a:focus-visible{border-color:var(--i-accent);color:var(--i-accent)}
.iepe-tool{background:#fff;border:1px solid var(--i-line);border-radius:12px;padding:20px;margin:0 0 28px;scroll-margin-top:90px}
.iepe-title{margin:0 0 4px;font-size:22px;line-height:1.3;color:var(--i-ink)}
.iepe-sub{margin:0 0 16px;color:var(--i-mute);font-size:14px}
.iepe-drop{display:flex;flex-direction:column;align-items:center;gap:4px;padding:28px 16px;border:2px dashed #cbd5e1;border-radius:10px;background:var(--i-bg);cursor:pointer;text-align:center}
.iepe-drop:hover,.iepe-drop.over,.iepe-drop:focus-visible{border-color:var(--i-accent);background:#eff6ff;outline:none}
.iepe-drop strong{color:var(--i-accent);font-size:16px}
.iepe-drop span{color:var(--i-mute);font-size:13px}
.iepe-file{margin:8px 0 0;font-size:13px;color:var(--i-mute);word-break:break-all}
.iepe-file:empty{display:none}
.iepe-list{display:flex;flex-direction:column;gap:8px;margin:12px 0 0}
.iepe-list:empty{display:none}
.iepe-item{display:flex;align-items:center;gap:10px;padding:6px;border:1px solid var(--i-line);border-radius:8px}
.iepe-item img{width:48px;height:48px;object-fit:cover;border-radius:4px;background:var(--i-bg);flex:none;margin:0}
.iepe-meta{flex:1;min-width:0}
.iepe-name{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.iepe-size{font-size:12px;color:var(--i-mute)}
.iepe-ctrl{display:flex;gap:4px;flex:none}
.iepe .iepe-ctrl button{width:34px;height:34px;padding:0;margin:0;border:1px solid var(--i-line);border-radius:6px;background:#fff;color:var(--i-ink);cursor:pointer;font-size:15px;line-height:1;box-shadow:none}
.iepe .iepe-ctrl button:hover{border-color:var(--i-accent)}
.iepe-opts{display:flex;flex-wrap:wrap;gap:12px;margin:16px 0 0}
.iepe .iepe-opts label{display:flex;flex-direction:column;gap:4px;font-size:13px;font-weight:400;color:var(--i-mute);flex:1 1 170px;margin:0}
.iepe select,.iepe input[type=text],.iepe input[type=number]{font:inherit;font-size:15px;color:var(--i-ink);background:#fff;border:1px solid #cbd5e1;border-radius:8px;padding:8px 10px;width:100%;height:auto;min-height:40px;margin:0;box-shadow:none}
.iepe-actions{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0 0}
.iepe .iepe-btn{font:inherit;font-size:15px;font-weight:600;padding:10px 18px;border-radius:8px;border:1px solid #cbd5e1;background:#fff;color:var(--i-ink);cursor:pointer;line-height:1.2;text-transform:none;letter-spacing:0;width:auto;margin:0;box-shadow:none}
.iepe .iepe-btn:hover{border-color:var(--i-accent)}
.iepe .iepe-btn.iepe-primary{background:var(--i-accent);border-color:var(--i-accent);color:#fff}
.iepe .iepe-btn:disabled{opacity:.45;cursor:not-allowed}
.iepe-status{margin:12px 0 0;font-size:14px}
.iepe-status:empty{display:none}
.iepe-status.ok{color:#047857}.iepe-status.err{color:#b91c1c}.iepe-status.warn{color:#b45309}
.iepe-radios{display:grid;gap:10px;margin:16px 0 0;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.iepe .iepe-radio,.iepe .iepe-check{display:flex;gap:10px;align-items:flex-start;padding:10px 12px;border:1px solid var(--i-line);border-radius:8px;cursor:pointer;margin:0;font-size:14px;font-weight:400;color:var(--i-ink)}
.iepe-radio input,.iepe-check input{margin:3px 0 0;flex:none;width:auto}
.iepe-radio small,.iepe-check small{display:block;color:var(--i-mute);font-size:12px}
.iepe-checks{display:flex;flex-direction:column;gap:8px;margin:16px 0 0}
.iepe-checks:empty{display:none}
.iepe-field{margin:12px 0 0}
.iepe-chips{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0 0;align-items:center}
.iepe .iepe-chip{font:inherit;font-size:13px;padding:4px 10px;border:1px solid var(--i-line);border-radius:999px;background:var(--i-bg);color:var(--i-ink);cursor:pointer;margin:0;width:auto;box-shadow:none;text-transform:none}
.iepe-hint{color:var(--i-mute);font-size:13px;margin:8px 0 0}
.iepe-preview{margin:16px 0 0;border:1px solid var(--i-line);border-radius:8px;padding:10px;background:var(--i-bg);text-align:center}
.iepe-preview canvas{max-width:100%;height:auto!important;box-shadow:0 1px 6px rgba(0,0,0,.2);background:#fff;display:inline-block}
.iepe-pnav{display:flex;justify-content:center;align-items:center;gap:12px;margin:0 0 10px;font-size:14px}
.iepe .iepe-pnav button{font:inherit;font-size:14px;padding:6px 12px;border:1px solid var(--i-line);border-radius:6px;background:#fff;color:var(--i-ink);cursor:pointer;margin:0;width:auto;box-shadow:none}
.iepe-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:10px;margin:16px 0 0;max-height:540px;overflow:auto;padding:4px}
.iepe-grid:empty{display:none}
.iepe .iepe-thumb{display:flex;flex-direction:column;align-items:center;gap:4px;padding:6px;border:2px solid var(--i-line);border-radius:8px;background:#fff;cursor:pointer;font:inherit;font-size:12px;color:var(--i-mute);margin:0;width:auto;box-shadow:none}
.iepe-thumb canvas{width:100%;height:auto;background:var(--i-bg);box-shadow:0 1px 3px rgba(0,0,0,.15)}
.iepe .iepe-thumb.on{border-color:var(--i-accent);background:#eff6ff;color:var(--i-accent);font-weight:600}
.iepe-editor-tool{padding-bottom:12px}
.iepe-editor-tool #pdfed{margin:0}
@media (max-width:600px){.iepe-tool{padding:14px;border-radius:10px}.iepe-title{font-size:19px}.iepe-actions .iepe-btn{flex:1}.iepe-grid{grid-template-columns:repeat(auto-fill,minmax(90px,1fr))}}