:root{
  --pdf-bg:#08111f;
  --pdf-panel:#101d31;
  --pdf-panel-2:#13233b;
  --pdf-text:#f7f9ff;
  --pdf-muted:#97a8c2;
  --pdf-line:rgba(255,255,255,.09);
  --pdf-accent:#7c5cff;
  --pdf-accent-2:#3b82f6;
  --pdf-accent-3:#21d4c2;
  --pdf-danger:#ff6b7a;
  --pdf-shadow:0 20px 55px rgba(0,0,0,.28);
  --pdf-radius:24px;
}

*{box-sizing:border-box}

.pdf-page-shell{
  width:min(1180px,calc(100% - 32px));
  margin:0 auto;
  padding:48px 0 72px;
  color:var(--pdf-text);
}

.pdf-tool-hero{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:24px;
  align-items:end;
  margin-bottom:22px;
}

.pdf-tool-hero h1{
  margin:0;
  font-size:clamp(2rem,5vw,3.65rem);
  line-height:1;
  letter-spacing:-.055em;
}

.pdf-tool-hero p{
  max-width:760px;
  margin:14px 0 0;
  color:var(--pdf-muted);
  font-size:1rem;
  line-height:1.7;
}

.pdf-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:12px;
  color:#b6c3da;
  font-size:.8rem;
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:.09em;
}

.pdf-kicker::before{
  content:"";
  width:24px;
  height:1px;
  background:linear-gradient(90deg,var(--pdf-accent),var(--pdf-accent-3));
}

.pdf-tool-switch{
  display:flex;
  flex-wrap:wrap;
  justify-content:flex-end;
  gap:8px;
  max-width:440px;
}

.pdf-tool-switch a{
  text-decoration:none;
  color:var(--pdf-muted);
  border:1px solid var(--pdf-line);
  background:rgba(255,255,255,.035);
  border-radius:999px;
  padding:9px 12px;
  font-size:.78rem;
  font-weight:750;
  transition:.18s ease;
}

.pdf-tool-switch a:hover,
.pdf-tool-switch a.active{
  color:#fff;
  border-color:rgba(124,92,255,.45);
  background:linear-gradient(135deg,rgba(124,92,255,.18),rgba(59,130,246,.12));
}

.pdf-app-card{
  overflow:hidden;
  border:1px solid rgba(255,255,255,.11);
  border-radius:var(--pdf-radius);
  background:linear-gradient(180deg,rgba(16,29,49,.96),rgba(11,22,40,.96));
  box-shadow:var(--pdf-shadow);
}

.pdf-app-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 24px;
  border-bottom:1px solid var(--pdf-line);
  background:rgba(255,255,255,.025);
}

.pdf-app-head h2{margin:0;font-size:1.12rem;letter-spacing:-.02em}
.pdf-app-head p{margin:5px 0 0;color:var(--pdf-muted);font-size:.84rem}

.pdf-privacy-pill{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:8px 11px;
  color:#b8c8dd;
  border:1px solid var(--pdf-line);
  border-radius:999px;
  background:rgba(255,255,255,.04);
  white-space:nowrap;
  font-size:.75rem;
  font-weight:700;
}

.pdf-workspace{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr);
  min-height:540px;
}

.pdf-editor{padding:28px;border-right:1px solid var(--pdf-line)}
.pdf-preview{padding:28px;background:rgba(4,10,20,.34)}

.pdf-dropzone{
  display:grid;
  place-items:center;
  min-height:220px;
  padding:28px;
  text-align:center;
  border:1px dashed rgba(124,92,255,.5);
  border-radius:20px;
  background:linear-gradient(180deg,rgba(124,92,255,.075),rgba(59,130,246,.035));
  transition:.18s ease;
  cursor:pointer;
}

.pdf-dropzone:hover,
.pdf-dropzone.dragover{
  border-color:rgba(33,212,194,.7);
  background:linear-gradient(180deg,rgba(33,212,194,.07),rgba(124,92,255,.05));
  transform:translateY(-1px);
}

.pdf-drop-icon{
  display:grid;
  place-items:center;
  width:58px;
  height:58px;
  margin:0 auto 14px;
  border-radius:18px;
  background:linear-gradient(135deg,rgba(124,92,255,.25),rgba(59,130,246,.16));
  border:1px solid rgba(255,255,255,.1);
  font-size:1.6rem;
}

.pdf-dropzone strong{display:block;font-size:1.02rem}
.pdf-dropzone span{display:block;margin-top:8px;color:var(--pdf-muted);font-size:.82rem;line-height:1.5}
.pdf-dropzone input{display:none}

.pdf-settings{
  margin-top:20px;
  padding:18px;
  border:1px solid var(--pdf-line);
  border-radius:18px;
  background:rgba(255,255,255,.025);
}

.pdf-settings h3{margin:0 0 14px;font-size:.92rem}
.pdf-field{margin-bottom:14px}
.pdf-field:last-child{margin-bottom:0}
.pdf-field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.pdf-field label{display:block;margin-bottom:7px;color:#dde6f4;font-size:.8rem;font-weight:700}
.pdf-field select,
.pdf-field input[type="text"],
.pdf-field input[type="number"]{
  width:100%;height:46px;padding:0 12px;color:var(--pdf-text);border:1px solid rgba(255,255,255,.11);border-radius:12px;background:rgba(5,12,23,.58);outline:none
}
.pdf-field select:focus,
.pdf-field input:focus{border-color:rgba(124,92,255,.72);box-shadow:0 0 0 3px rgba(124,92,255,.12)}
.pdf-field select option{color:#111;background:#fff}
.pdf-help{margin-top:7px;color:#7f91ab;font-size:.74rem;line-height:1.5}

.pdf-range-line{display:flex;align-items:center;gap:10px}
.pdf-range-line input[type="range"]{flex:1;accent-color:var(--pdf-accent)}
.pdf-range-value{min-width:68px;padding:7px 8px;border:1px solid var(--pdf-line);border-radius:10px;background:rgba(255,255,255,.04);text-align:center;color:#dce6f4;font-size:.76rem;font-weight:750}

.pdf-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.pdf-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:10px 16px;border-radius:13px;border:1px solid transparent;font-weight:800;cursor:pointer;transition:.16s ease;text-decoration:none
}
.pdf-btn:hover:not(:disabled){transform:translateY(-1px)}
.pdf-btn:disabled{opacity:.45;cursor:not-allowed}
.pdf-btn-primary{color:#fff;background:linear-gradient(135deg,var(--pdf-accent),var(--pdf-accent-2));box-shadow:0 12px 28px rgba(124,92,255,.23)}
.pdf-btn-secondary{color:#dce6f4;background:rgba(255,255,255,.055);border-color:var(--pdf-line)}
.pdf-btn-danger{color:#ffd8de;background:rgba(255,107,122,.08);border-color:rgba(255,107,122,.2)}

.pdf-file-list{display:grid;gap:10px;margin-top:18px}
.pdf-file-item{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center;padding:12px;border:1px solid var(--pdf-line);border-radius:14px;background:rgba(255,255,255,.03)
}
.pdf-file-main{min-width:0}
.pdf-file-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.84rem;font-weight:760}
.pdf-file-meta{margin-top:4px;color:var(--pdf-muted);font-size:.72rem}
.pdf-file-actions{display:flex;gap:6px}
.pdf-icon-btn{width:34px;height:34px;border:1px solid var(--pdf-line);border-radius:10px;background:rgba(255,255,255,.04);color:#dce6f4;cursor:pointer;font-weight:800}
.pdf-icon-btn:hover{background:rgba(255,255,255,.08)}

.pdf-status-card{
  min-height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:22px;border:1px solid var(--pdf-line);border-radius:20px;background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.015))
}
.pdf-status-icon{display:grid;place-items:center;width:68px;height:68px;margin-bottom:15px;border-radius:20px;background:linear-gradient(135deg,rgba(124,92,255,.2),rgba(33,212,194,.1));font-size:1.9rem}
.pdf-status-card h3{margin:0;font-size:1.1rem}
.pdf-status-card p{max-width:360px;margin:9px 0 0;color:var(--pdf-muted);font-size:.83rem;line-height:1.6}
.pdf-status-meta{width:100%;margin-top:18px;display:grid;gap:9px}
.pdf-stat{display:flex;justify-content:space-between;gap:20px;padding:10px 12px;border-radius:12px;background:rgba(255,255,255,.035);border:1px solid var(--pdf-line);font-size:.78rem}
.pdf-stat span:first-child{color:var(--pdf-muted)}
.pdf-stat strong{color:#eaf1fb}

.pdf-progress{display:none;width:100%;margin-top:18px}
.pdf-progress.visible{display:block}
.pdf-progress-track{height:9px;overflow:hidden;border-radius:999px;background:rgba(255,255,255,.07)}
.pdf-progress-bar{width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--pdf-accent),var(--pdf-accent-3));transition:width .18s ease}
.pdf-progress-label{display:flex;justify-content:space-between;gap:12px;margin-top:8px;color:var(--pdf-muted);font-size:.72rem}

.pdf-message{display:none;margin-top:14px;padding:11px 13px;border-radius:12px;font-size:.78rem;line-height:1.5}
.pdf-message.visible{display:block}
.pdf-message.error{color:#ffd7dc;background:rgba(255,107,122,.09);border:1px solid rgba(255,107,122,.22)}
.pdf-message.success{color:#c7fff3;background:rgba(33,212,194,.08);border:1px solid rgba(33,212,194,.2)}
.pdf-message.info{color:#dbe8ff;background:rgba(59,130,246,.08);border:1px solid rgba(59,130,246,.2)}

.pdf-info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}
.pdf-info-card{padding:18px;border:1px solid var(--pdf-line);border-radius:18px;background:rgba(255,255,255,.025)}
.pdf-info-card strong{display:block;margin-bottom:7px;font-size:.86rem}
.pdf-info-card p{margin:0;color:var(--pdf-muted);font-size:.76rem;line-height:1.55}

.pdf-note{margin-top:18px;padding:13px 14px;border-radius:14px;border:1px solid rgba(59,130,246,.18);background:rgba(59,130,246,.055);color:#b8c8dd;font-size:.76rem;line-height:1.6}

@media (max-width:900px){
  .pdf-tool-hero{grid-template-columns:1fr;align-items:start}
  .pdf-tool-switch{justify-content:flex-start;max-width:none}
  .pdf-workspace{grid-template-columns:1fr}
  .pdf-editor{border-right:0;border-bottom:1px solid var(--pdf-line)}
  .pdf-info-grid{grid-template-columns:1fr}
}

@media (max-width:600px){
  .pdf-page-shell{width:min(100% - 20px,1180px);padding-top:28px}
  .pdf-app-head{align-items:flex-start;flex-direction:column;padding:18px}
  .pdf-editor,.pdf-preview{padding:18px}
  .pdf-field-row{grid-template-columns:1fr}
  .pdf-actions{display:grid;grid-template-columns:1fr}
  .pdf-btn{width:100%}
}