/* =====================================================
   PDF Merger + Compressor tool — mobile-first, then
   scaled up for tablet/laptop via min-width queries.
   ===================================================== */

.pdf-alert{max-width:700px;margin:0 auto 18px;background:rgba(255,107,107,0.1);border:1px solid rgba(255,107,107,0.35);color:#ff9d9d;padding:12px 16px;border-radius:10px;font-size:.85rem;text-align:center;display:none}
.pdf-alert.show{display:block}

/* ---- Tabs ---- */
.pdf-tabs{display:flex;gap:10px;max-width:100%;margin:0 0 22px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding-bottom:2px}
.pdf-tabs::-webkit-scrollbar{display:none}
.pdf-tab{flex:1 1 auto;white-space:nowrap;display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--card-bg);border:1px solid var(--card-border);color:var(--text-muted);font-family:inherit;font-size:.85rem;font-weight:600;padding:12px 14px;border-radius:12px;cursor:pointer;transition:var(--transition-fast)}
.pdf-tab i{color:var(--text-muted);transition:var(--transition-fast)}
.pdf-tab:hover{color:var(--text-light);border-color:var(--gold-glow-soft)}
.pdf-tab.active{background:var(--gold-glow-soft);border-color:var(--gold);color:var(--text-light)}
.pdf-tab.active i{color:var(--gold)}

.pdf-panel{display:none}
.pdf-panel.active{display:block;animation:pdfFadeIn .25s ease}
@keyframes pdfFadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}

/* ---- Dropzone (shared) ---- */
.pdf-dropzone{position:relative;max-width:640px;margin:0 auto;border:2px dashed var(--card-border);border-radius:var(--radius);padding:36px 16px;text-align:center;cursor:pointer;background:var(--card-bg);transition:var(--transition-fast)}
.pdf-dropzone:hover,.pdf-dropzone:focus{outline:0;border-color:var(--gold-dark,var(--gold));background:var(--card-bg-hover)}
.pdf-dropzone.dragover{border-color:var(--gold);background:var(--gold-glow-soft,rgba(252,192,10,0.08))}
.pdf-dropzone input[type="file"]{display:none}
.pdf-dropzone > i{display:block;font-size:2rem;color:var(--gold);margin-bottom:14px}
.pdf-dropzone-title{color:var(--text-light);font-weight:600;font-size:1rem;margin-bottom:6px;padding:0 4px}
.pdf-dropzone-sub{color:var(--text-muted);font-size:.8rem;padding:0 4px}

/* ---- Merge file list ---- */
.pdf-file-list{max-width:640px;margin:20px auto 0;display:flex;flex-direction:column;gap:10px}
.pdf-file-item{display:flex;align-items:center;gap:10px;background:var(--card-bg);border:1px solid var(--card-border);border-radius:12px;padding:12px 14px;min-width:0}
.pdf-file-icon{color:#ff6b6b;font-size:1.2rem;flex-shrink:0}
.pdf-file-info{flex:1;min-width:0;display:flex;flex-direction:column}
.pdf-file-name{color:var(--text-light);font-size:.86rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pdf-file-meta{color:var(--text-faint);font-size:.72rem;margin-top:2px}
.pdf-file-actions{display:flex;align-items:center;gap:4px;flex-shrink:0}
.pdf-file-actions button{width:30px;height:30px;border-radius:8px;background:var(--black-soft);border:1px solid var(--card-border);color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:.8rem;transition:var(--transition-fast)}
.pdf-file-actions button:hover:not(:disabled){border-color:var(--gold);color:var(--gold)}
.pdf-file-actions button:disabled{opacity:.35;cursor:not-allowed}
.pdf-file-actions .pdf-remove-btn:hover{border-color:var(--danger);color:var(--danger)}

.pdf-mini-btn{display:block;margin:14px auto 0;background:var(--black-soft);border:1px solid var(--card-border);color:var(--text-light);padding:8px 16px;border-radius:8px;font-size:.8rem;cursor:pointer;transition:var(--transition-fast)}
.pdf-mini-btn:hover{border-color:var(--gold);color:var(--gold)}

/* ---- Compress card ---- */
.pdf-compress-card{max-width:640px;margin:0 auto;background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);padding:18px 20px}
.pdf-compress-row{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.pdf-compress-file{display:flex;align-items:center;gap:10px;color:var(--text-light);font-size:.9rem;font-weight:600;min-width:0}
.pdf-compress-file i{color:#ff6b6b;flex-shrink:0}
.pdf-compress-file span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pdf-compress-size{color:var(--text-muted);font-size:.82rem;white-space:nowrap}
.pdf-compress-result{display:flex;align-items:center;gap:10px;margin-top:14px;padding-top:14px;border-top:1px solid var(--card-border);color:var(--success);font-size:.9rem;font-weight:600;flex-wrap:wrap}
.pdf-compress-result i{color:var(--gold)}
.pdf-compress-savings{color:var(--text-muted);font-weight:400;font-size:.8rem}

/* ---- Actions ---- */
.pdf-actions{display:flex;flex-direction:column;align-items:center;gap:12px;margin:22px 0}
.pdf-actions .btn{width:100%;max-width:340px}
.pdf-actions .btn:disabled{opacity:.55;cursor:not-allowed;transform:none !important}
.pdf-reset-btn{background:transparent;border:1px solid var(--card-border);color:var(--text-muted);padding:10px 18px;border-radius:8px;font-size:.85rem;cursor:pointer;transition:var(--transition-fast);display:inline-flex;align-items:center;gap:8px;width:100%;max-width:340px;justify-content:center}
.pdf-reset-btn:hover{border-color:var(--gold);color:var(--gold)}
.pdf-progress-text{text-align:center;color:var(--text-muted);font-size:.8rem;min-height:1.2em}

/* =====================================================
   Responsive scale-up (tablet / laptop)
   ===================================================== */
@media(min-width:860px){
  .pdf-tabs{overflow-x:visible}
  .pdf-tab{flex:0 0 auto;padding:13px 22px}
}

/* Extra-small phones: tighten so nothing overflows */
@media(max-width:380px){
  .pdf-tab{font-size:.78rem;padding:10px 10px}
  .pdf-file-item{padding:10px}
  .pdf-compress-card{padding:14px 16px}
}