.stp-calc{max-width:900px;margin:32px auto;padding:28px;border:1px solid #18344d;border-radius:22px;background:linear-gradient(145deg,#0b1929,#071321);color:#f5f9ff;box-shadow:0 18px 55px rgba(0,0,0,.28);font-family:inherit}.stp-calc *{box-sizing:border-box}.stp-calc-head h2{margin:10px 0 6px;font-size:clamp(24px,4vw,34px);color:#fff}.stp-calc-head p{margin:0 0 22px;color:#92a9bf}.stp-calc-badge{display:inline-block;padding:6px 10px;border:1px solid #245171;border-radius:999px;color:#4edcff;font-size:11px;font-weight:800;letter-spacing:.08em}.stp-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.stp-field{display:flex;flex-direction:column;gap:7px}.stp-field.full{grid-column:1/-1}.stp-field label{font-size:13px;font-weight:700;color:#c8d7e6}.stp-field input,.stp-field select{width:100%;padding:13px 14px;border:1px solid #245171;border-radius:12px;background:#071321;color:#fff;outline:none}.stp-field input:focus,.stp-field select:focus{border-color:#2997ff;box-shadow:0 0 0 3px rgba(41,151,255,.12)}.stp-result{margin-top:20px;padding:18px;border:1px solid #245171;border-radius:16px;background:#071321;display:flex;flex-direction:column;gap:6px}.stp-result strong{font-size:13px;color:#4edcff}.stp-result span{font-size:22px;font-weight:800;color:#fff}.stp-reset{margin-top:14px;padding:12px 18px;border:1px solid #245171;border-radius:12px;background:#10253a;color:#fff;cursor:pointer;font-weight:700}.stp-reset:hover{border-color:#2997ff}.stp-table{width:100%;border-collapse:collapse;margin-top:12px}.stp-table th,.stp-table td{padding:9px;border-bottom:1px solid #18344d;text-align:left}.stp-table th{color:#92a9bf;font-size:12px}.stp-row-actions{display:flex;gap:8px;align-items:end}.stp-add{margin-top:4px;padding:10px 14px;border:1px solid #245171;border-radius:10px;background:#10253a;color:#fff;cursor:pointer}@media(max-width:650px){.stp-calc{padding:20px;margin:20px 10px}.stp-form{grid-template-columns:1fr}.stp-field.full{grid-column:auto}}