.pcb-page{padding:40px 0}.pcb-card{max-width:850px;margin:auto;background:#fff;border:1px solid #dbe3ee;border-radius:14px;padding:24px}.pcb-log{min-height:300px;max-height:55vh;overflow:auto;padding:15px;background:#f8fafc;border-radius:10px;margin:15px 0}.pcb-log>div{margin:12px 0}.pcb-card form{display:flex;gap:8px}.pcb-card input{flex:1;padding:12px;border:1px solid #cbd5e1;border-radius:8px}.pcb-card button{padding:10px 18px}