:root{
  --brand:#E11937; /* PDF Buddy red */
  --ink:#111827;
  --muted:#6b7280;
  --paper:#f6f7fb;
  --stroke:#e5e7eb;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--paper);color:var(--ink);
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}

.header{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--stroke);z-index:10}
.header .wrap{max-width:1100px;margin:0 auto;padding:14px 18px;display:flex;align-items:center;gap:12px}
.badge{background:var(--brand);color:#fff;border-radius:10px;padding:10px 12px;font-weight:800}
.title{font-weight:800}
.by{color:var(--muted);font-size:12px}
.menu{margin-left:auto;position:relative}
.menu button{background:#fff;border:1px solid var(--stroke);border-radius:12px;padding:10px 12px;cursor:pointer}
.menu ul{position:absolute;right:0;margin-top:8px;list-style:none;padding:8px;background:#fff;border:1px solid var(--stroke);border-radius:12px;display:none;min-width:240px}
.menu li a{display:block;padding:10px 12px;text-decoration:none;color:var(--ink)}
.menu li a:hover{background:#f9fafb}

.hero{max-width:1100px;margin:26px auto;padding:0 18px 40px}
.card{background:#fff;border:1px solid var(--stroke);border-radius:16px;padding:24px}
.card h1{margin:0 0 10px}
.card p{margin:0;color:var(--muted)}
.grid{display:grid;grid-template-columns:1fr;gap:14px;margin-top:16px}
@media(min-width:840px){.grid{grid-template-columns:1fr 1fr}}

.uploader{margin-top:16px;border:2px dashed var(--stroke);border-radius:14px;padding:26px;text-align:center;background:#fff}
.uploader input[type=file]{display:none}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:10px;padding:10px 14px;cursor:pointer}
.btn.primary{background:var(--brand);color:#fff;border:0}
.btn.ghost{background:#fff;border:1px solid var(--stroke)}
.hint{margin-top:8px;font-size:12px;color:var(--muted)}
.actions{display:none;margin-top:16px;gap:10px;flex-wrap:wrap;justify-content:center}

.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:13px;color:var(--muted)}
.field input[type=text], .field input[type=number], .field input[type=color], .field select{
  border:1px solid var(--stroke);border-radius:10px;padding:10px 12px;width:100%;background:#fff
}

.tabs{display:flex;gap:8px;margin-top:10px}
.tab{border:1px solid var(--stroke);border-radius:999px;padding:8px 12px;cursor:pointer;background:#fff}
.tab.active{border-color:var(--brand);color:var(--brand);font-weight:600}

.footer{max-width:1100px;margin:0 auto;padding:0 18px 40px;color:var(--muted);font-size:12px}
.footer a{color:inherit}