.stmp-wrap{max-width:960px;margin:46px auto 30px;padding:0 16px;font-family:Arial,Helvetica,sans-serif;color:#101828}
.stmp-header{text-align:center;margin:18px 0 24px;padding-top:10px}.stmp-header h1{margin:0 0 10px;font-size:40px;line-height:1.15}.stmp-header p{max-width:780px;margin:0 auto;color:#667085;font-size:16px;line-height:1.6}
.stmp-card{background:#fff;border:1px solid #e6eaf0;border-radius:22px;padding:24px;box-shadow:0 12px 32px rgba(16,24,40,.06);margin-bottom:18px}
.stmp-upload{position:relative;border:2px dashed #b9c6da;border-radius:20px;background:#f8fafc;padding:30px;text-align:center;cursor:pointer;margin-bottom:18px;transition:.2s}.stmp-upload:hover,.stmp-upload.dragover{border-color:#2563eb;background:#eef4ff}
.stmp-upload input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}
.stmp-upload-inner strong{display:block;font-size:20px;color:#101828;margin-bottom:8px}.stmp-upload-inner span{display:block;color:#667085}
.stmp-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.stmp-btn{border:none;background:#2563eb;color:#fff;padding:12px 17px;border-radius:12px;font-weight:700;cursor:pointer;transition:.2s}
.stmp-btn:hover{transform:translateY(-1px);filter:brightness(.96)}.stmp-soft{background:#f2f4f7;color:#344054}
.stmp-main-result{margin-top:18px;background:linear-gradient(135deg,#0f172a,#2563eb);color:#fff;border-radius:20px;padding:22px;font-size:21px;font-weight:800;line-height:1.35}
.stmp-files-list{display:grid;gap:12px;margin-top:16px}
.stmp-file{display:flex;align-items:center;justify-content:space-between;background:#f8fafc;border:1px solid #e6eaf0;border-radius:16px;padding:14px;cursor:grab}
.stmp-file strong{display:block;color:#101828;font-size:15px}
.stmp-file span{display:block;color:#667085;font-size:13px;margin-top:4px}
.stmp-remove{border:none;background:#ef4444;color:#fff;padding:8px 12px;border-radius:10px;font-weight:700;cursor:pointer}
.stmp-note{background:#fffaeb;color:#92400e;border:1px solid #fedf89;border-radius:16px;padding:14px 16px;line-height:1.55}
@media(max-width:800px){.stmp-header h1{font-size:32px}.stmp-main-result{font-size:18px}}