/* PDF 병합·분할 — 고유 레이아웃만 (박스/버튼/배경은 style_tools_base.css 통일) */
.wrap{ max-width:100%; padding:0 0 70px; }

.pdf-head{ margin-bottom:20px; }
.pdf-title{ font-size:38px; font-weight:800; margin:0; letter-spacing:-.02em; }
.pdf-sub{ margin:8px 0 0; color:#6b7280; font-size:13px; }

.pdf-tabs{ display:flex; gap:8px; margin-bottom:18px; }
.pdf-tab{ padding:9px 18px; border:1.5px solid #e5e7eb; background:#fff; font-size:14px; font-weight:700; color:#6b7280; cursor:pointer; }
.pdf-tab:hover{ border-color:#9ca3af; color:#111827; }
.pdf-tab.active{ background:#111827; color:#fff; border-color:#111827; }

.pdf-panel{ border:1.5px solid #e2e8f0; border-radius:14px; padding:22px; background:#fff; max-width:560px; }
.pdf-file{ width:100%; padding:10px; border:1.5px dashed #cbd5e1; border-radius:10px; font-size:13px; margin-bottom:14px; cursor:pointer; }
.pdf-list{ margin-bottom:14px; }
.pdf-li{ font-size:13px; color:#374151; padding:6px 10px; background:#f8fafc; border-radius:6px; margin-bottom:5px; }
.pdf-split-opt{ margin-bottom:14px; }
.pdf-label{ display:block; font-size:12px; font-weight:700; color:#6b7280; margin-bottom:6px; }
.pdf-range{ width:100%; padding:10px 14px; border:1.5px solid #e5e7eb; font-size:14px; }
.pdf-go{ background:#111827; color:#fff; border:none; padding:11px 22px; font-weight:700; font-size:14px; cursor:pointer; }
.pdf-go:hover:not(:disabled){ background:#374151; }
.pdf-go:disabled{ background:#cbd5e1; cursor:not-allowed; }

.pdf-msg{ margin-top:16px; font-weight:700; font-size:14px; min-height:20px; }
.pdf-msg.ok{ color:#16a34a; }
.pdf-msg.err{ color:#dc2626; }

@media (max-width:480px){ .pdf-title{ font-size:30px; } }