.drill-sharpener{max-width:1200px;margin:1rem auto;padding:0 1rem;color:#f8fafc}.drill-layout{display:grid;grid-template-columns:1fr 340px;gap:1.5rem;background:#000;border-radius:2.5rem;padding:2rem;border:1px solid #1e293b;box-shadow:0 30px 60px -12px #000000b3;overflow:hidden}.gauge-area{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(circle at center,#0a0f1d,#000 70%);border-radius:2rem;min-height:550px;border:1px solid #1e293b}.gauge-svg{width:95%;height:95%;max-height:600px}.precision-line{filter:drop-shadow(0 0 2px rgba(56,189,248,.5));transition:all .5s cubic-bezier(.4,0,.2,1)}.guide-circle{transition:all .3s ease}.guide-circle.active{stroke:#38bdf8;stroke-width:2;opacity:.8}.gauge-instruction{position:absolute;bottom:2rem;text-align:center;width:100%;pointer-events:none}.gauge-instruction span{background:#38bdf80d;color:#38bdf8;padding:.6rem 2rem;border-radius:2rem;font-size:.7rem;font-weight:800;text-transform:uppercase;letter-spacing:.15em;border:1px solid rgba(56,189,248,.2)}.drill-controls{display:flex;flex-direction:column;gap:1rem}.control-group{background:#0a0f1d;padding:1.25rem;border-radius:1.5rem;border:1px solid #1e293b}.control-group h4{font-size:.65rem;text-transform:uppercase;color:#64748b;margin-bottom:1rem;font-weight:900;letter-spacing:.1em}.material-strip{display:grid;grid-template-columns:1fr 1fr;gap:.5rem}.mat-btn{background:#1e293b;border:1px solid #334155;border-radius:1.25rem;padding:1rem .5rem;color:#94a3b8;cursor:pointer;font-weight:800;font-size:.8rem;transition:all .2s;text-transform:uppercase}.mat-btn.active{background:#38bdf8;color:#0f172a;border-color:#38bdf8;box-shadow:0 0 20px #38bdf84d}.stepper-ui{display:flex;align-items:center;background:#000;border-radius:1.25rem;padding:.4rem;border:1px solid #334155}.step-b{width:54px;height:54px;background:#1e293b;border:none;color:#fff;border-radius:1rem;cursor:pointer;font-size:1.5rem;display:flex;align-items:center;justify-content:center}.step-b:active{transform:scale(.95);background:#334155}.stepper-ui input{flex:1;background:transparent;border:none;color:#38bdf8;text-align:center;font-size:1.75rem;font-weight:950;width:60px;outline:none}.live-results{display:grid;grid-template-columns:1fr;gap:.75rem}.res-box{background:#000;padding:1.25rem;border-radius:1.25rem;border:1px solid #1e293b;display:flex;justify-content:space-between;align-items:center}.res-l{font-size:.65rem;color:#64748b;font-weight:700;text-transform:uppercase}.res-v{font-size:1.5rem;font-weight:900;color:#f8fafc}.res-unit{font-size:.7rem;color:#38bdf8;font-weight:800;margin-left:.25rem}.diag-btn{width:100%;padding:1.25rem;background:#ef44440d;border:1px dashed rgba(239,68,68,.3);color:#ef4444;border-radius:1.5rem;font-weight:800;font-size:.85rem;cursor:pointer;transition:all .2s;text-transform:uppercase;display:flex;align-items:center;justify-content:center;gap:.75rem}.diag-btn [data-icon]{font-size:1.25rem}.diag-btn:hover{background:#ef44441a;border-style:solid}.diag-modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:#0f172a;border:1px solid #1e293b;padding:2.5rem;border-radius:2.5rem;z-index:1000;display:none;width:90%;max-width:500px;box-shadow:0 0 100px #000000e6}.diag-modal.active{display:block;animation:modalIn .3s ease-out}@keyframes modalIn{0%{opacity:0;transform:translate(-50%,-45%) scale(.95)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;border-bottom:1px solid #1e293b;padding-bottom:1rem}.modal-header h3{font-size:1rem;color:#ef4444;text-transform:uppercase;font-weight:900}.diag-item{display:flex;flex-direction:column;gap:.75rem;margin-bottom:2rem}.diag-item:last-child{margin-bottom:0}.diag-item strong{color:#38bdf8;font-size:.85rem;text-transform:uppercase}.diag-item p{font-size:.75rem;color:#94a3b8;line-height:1.5}.diag-img{background:#000;border-radius:1rem;padding:1rem;border:1px solid #1e293b}.modal-close{cursor:pointer;color:#64748b;transition:color .2s}.modal-close:hover{color:#f8fafc}@media(max-width:1000px){.drill-layout{grid-template-columns:1fr;padding:1rem}.gauge-area{min-height:400px}}@media(max-width:480px){.mat-btn{font-size:.7rem;padding:.75rem .25rem}.step-b{width:44px;height:44px}}